On August 20, 2018 Merck (NYSE:MRK), known as MSD outside the United States and Canada, reported that the U.S. Food and Drug Administration (FDA) has approved an expanded label for KEYTRUDA, Merck’s anti-PD-1 therapy, in combination with pemetrexed (ALIMTA) and platinum chemotherapy for the first-line treatment of patients with metastatic nonsquamous non-small cell lung cancer (NSCLC), with no EGFR or ALK genomic tumor aberrations, based on results of the KEYNOTE-189 trial (Press release, Merck & Co, AUG 20, 2018, View Source [SID1234529002]). In the pivotal, Phase 3 KEYNOTE-189 trial of patients regardless of PD-L1 tumor expression status, KEYTRUDA in combination with pemetrexed and platinum chemotherapy demonstrated a statistically significant and clinically meaningful improvement in overall survival (OS) (HR=0.49 [95% CI, 0.38-0.64]; p<0.00001), reducing the risk of death by half compared to chemotherapy alone. The study also showed a significant improvement in progression-free survival (PFS) compared to chemotherapy alone (HR=0.52 [95% CI, 0.43-0.64]; p<0.00001). Data from KEYNOTE-189 support that KEYTRUDA is changing survival expectations for these patients.

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"KEYTRUDA is rapidly becoming a foundation for the treatment of appropriate patients with metastatic non-small cell lung cancer," said Dr. Roger M. Perlmutter, president, Merck Research Laboratories. "Today’s approval of the expanded label for KEYTRUDA based on data from the KEYNOTE-189 trial is an important milestone, and reinforces our steadfast commitment to improving survival outcomes, and providing hope, for more patients with lung cancer."

Immune-mediated adverse reactions, which may be severe or fatal, can occur with KEYTRUDA, including pneumonitis, colitis, hepatitis, endocrinopathies, nephritis, severe skin reactions, solid organ transplant rejection, and complications of allogeneic hematopoietic stem cell transplantation (HSCT). Based on the severity of the adverse reaction, KEYTRUDA should be withheld or discontinued and corticosteroids administered if appropriate. KEYTRUDA can also cause severe or life-threatening infusion-related reactions. Based on its mechanism of action, KEYTRUDA can cause fetal harm when administered to a pregnant woman. For more information, see "Selected Important Safety Information" below.

"Over the last few years, we’ve seen significant clinical advances and an incredible shift in the way we approach the treatment of people diagnosed with metastatic non-small cell lung cancer," said Dr. Shirish Gadgeel, professor in thoracic oncology at the University of Michigan Rogel Cancer Center. "As a practicing physician, I welcome today’s news, as KEYTRUDA in combination with pemetrexed and platinum chemotherapy significantly prolonged overall survival and progression-free survival in the KEYNOTE-189 trial, compared with chemotherapy alone."

KEYTRUDA in combination with pemetrexed and carboplatin was first approved in 2017 under the FDA’s accelerated approval process for the first-line treatment of patients with metastatic nonsquamous NSCLC, based on tumor response rates and progression-free survival data from the Phase 2 study (KEYNOTE-021, Cohort G1). In accordance with the accelerated approval process, continued approval was contingent upon verification and description of clinical benefit, which has now been demonstrated in KEYNOTE-189 and has resulted in the FDA converting the accelerated approval to full (regular) approval. KEYTRUDA is the first anti-PD-1 approved in the first-line setting as both combination and monotherapy in certain patients with metastatic NSCLC (see KEYTRUDA indications below).

Data Supporting the Approval

The approval was based on data from KEYNOTE-189, a Phase 3, randomized, multicenter, double-blind, active-controlled trial in systemic-therapy naïve patients with metastatic NSCLC, regardless of PD-L1 tumor expression status and with no EGFR or ALK genomic tumor aberrations. Patients with autoimmune disease that required systemic therapy within 2 years of treatment; a medical condition that required immunosuppression; or patients who had received more than 30 Gy of thoracic radiation within the prior 26 weeks were ineligible. Patients were randomized to receive KEYTRUDA 200 mg, cisplatin or carboplatin, and pemetrexed intravenously Q3W for 4 cycles followed by KEYTRUDA 200 mg for up to 24 months and pemetrexed Q3W (n=410); or cisplatin or carboplatin and pemetrexed intravenously Q3W for 4 cycles followed by pemetrexed Q3W (n=206). Treatment continued until progression of disease or unacceptable toxicity. Primary efficacy outcome measures were OS and PFS assessed by blinded independent central review (BICR) per RECIST v1.1 (modified to follow a maximum of 10 target lesions and a maximum of 5 target lesions per organ). Secondary efficacy outcome measures were overall response rate (ORR) and duration of response (DOR). Patients receiving chemotherapy and pemetrexed who experienced disease progression could cross over to receive KEYTRUDA as monotherapy. The KEYNOTE-189 study was conducted in collaboration with Eli Lilly and Company, the makers of pemetrexed (ALIMTA).

In KEYNOTE-189, safety was evaluated in 405 patients who received KEYTRUDA in combination with pemetrexed and platinum chemotherapy and 202 patients who received placebo, pemetrexed, and platinum chemotherapy. KEYTRUDA was discontinued for adverse reactions in 20 percent of patients. The most common adverse reactions resulting in permanent discontinuation of KEYTRUDA were pneumonitis (3%) and acute kidney injury (2%). Adverse reactions leading to the interruption of KEYTRUDA occurred in 53 percent of patients; the most common adverse reactions or laboratory abnormalities leading to interruption of KEYTRUDA (≥5%) were neutropenia (13%), asthenia/fatigue (7%), anemia (7%), and thrombocytopenia (5%). Adverse reactions of any grade occurring in at least 20 percent of patients receiving KEYTRUDA in combination with pemetrexed and platinum chemotherapy were nausea (56%), fatigue (56%), constipation (35%), diarrhea (31%), decreased appetite (28%), rash (25%), vomiting (24%), cough (21%), dyspnea (21%), and pyrexia (20%).

About KEYTRUDA (pembrolizumab) Injection, 100mg

KEYTRUDA is an anti-PD-1 therapy that works by increasing the ability of the body’s immune system to help detect and fight tumor cells. KEYTRUDA is a humanized monoclonal antibody that blocks the interaction between PD-1 and its ligands, PD-L1 and PD-L2, thereby activating T lymphocytes which may affect both tumor cells and healthy cells.

Merck has the industry’s largest immuno-oncology clinical research program. There are currently more than 750 trials studying KEYTRUDA across a wide variety of cancers and treatment settings. The KEYTRUDA clinical program seeks to understand the role of KEYTRUDA across cancers and the factors that may predict a patient’s likelihood of benefitting from treatment with KEYTRUDA, including exploring several different biomarkers.

KEYTRUDA (pembrolizumab) Indications and Dosing

Melanoma

KEYTRUDA is indicated for the treatment of patients with unresectable or metastatic melanoma at a fixed dose of 200 mg every three weeks until disease progression or unacceptable toxicity.

Lung Cancer

KEYTRUDA, in combination with pemetrexed and platinum chemotherapy, is indicated for the first-line treatment of patients with metastatic nonsquamous NSCLC, with no EGFR or ALK genomic tumor aberrations.

KEYTRUDA, as a single agent, is indicated for the first-line treatment of patients with metastatic non-small cell lung cancer (NSCLC) whose tumors have high PD-L1 expression [Tumor Proportion Score (TPS) ≥50%] as determined by an FDA-approved test, with no EGFR or ALK genomic tumor aberrations.

KEYTRUDA, as a single agent, is also indicated for the treatment of patients with metastatic NSCLC whose tumors express PD-L1 (TPS ≥1%) as determined by an FDA-approved test, with disease progression on or after platinum-containing chemotherapy. Patients with EGFR or ALK genomic tumor aberrations should have disease progression on FDA-approved therapy for these aberrations prior to receiving KEYTRUDA.

In metastatic NSCLC, KEYTRUDA is administered at a fixed dose of 200 mg every three weeks until disease progression, unacceptable toxicity, or up to 24 months in patients without disease progression.

When administering KEYTRUDA in combination with chemotherapy, KEYTRUDA should be administered prior to chemotherapy when given on the same day. See also the Prescribing Information for pemetrexed and carboplatin or cisplatin, as appropriate.

Head and Neck Cancer

KEYTRUDA is indicated for the treatment of patients with recurrent or metastatic head and neck squamous cell carcinoma (HNSCC) with disease progression on or after platinum-containing chemotherapy. This indication is approved under accelerated approval based on tumor response rate and durability of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in the confirmatory trials. In HNSCC, KEYTRUDA is administered at a fixed dose of 200 mg every three weeks until disease progression, unacceptable toxicity, or up to 24 months in patients without disease progression.

Classical Hodgkin Lymphoma

KEYTRUDA is indicated for the treatment of adult and pediatric patients with refractory classical Hodgkin lymphoma (cHL), or who have relapsed after three or more prior lines of therapy. This indication is approved under accelerated approval based on tumor response rate and durability of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in the confirmatory trials. In adults with cHL, KEYTRUDA is administered at a fixed dose of 200 mg every three weeks until disease progression or unacceptable toxicity, or up to 24 months in patients without disease progression. In pediatric patients with cHL, KEYTRUDA is administered at a dose of 2 mg/kg (up to a maximum of 200 mg) every three weeks until disease progression or unacceptable toxicity, or up to 24 months in patients without disease progression.

Primary Mediastinal Large B-Cell Lymphoma

KEYTRUDA is indicated for the treatment of adult and pediatric patients with refractory primary mediastinal large B-cell lymphoma (PMBCL), or who have relapsed after 2 or more prior lines of therapy. This indication is approved under accelerated approval based on tumor response rate and durability of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in confirmatory trials. KEYTRUDA is not recommended for the treatment of patients with PMBCL who require urgent cytoreductive therapy.

In adults with PMBCL, KEYTRUDA is administered at a fixed dose of 200 mg every three weeks until disease progression, unacceptable toxicity, or up to 24 months in patients without disease progression. In pediatric patients with PMBCL, KEYTRUDA is administered at a dose of 2 mg/kg (up to a maximum of 200 mg) every three weeks until disease progression or unacceptable toxicity, or up to 24 months in patients without disease progression.

Urothelial Carcinoma

KEYTRUDA is indicated for the treatment of patients with locally advanced or metastatic urothelial carcinoma (mUC) who are not eligible for cisplatin-containing chemotherapy and whose tumors express PD-L1 [Combined Positive Score (CPS) ≥10] as determined by an FDA-approved test, or in patients who are not eligible for any platinum-containing chemotherapy regardless of PD-L1 status. This indication is approved under accelerated approval based on tumor response rate and duration of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in the confirmatory trials.

KEYTRUDA is also indicated for the treatment of patients with locally advanced or metastatic urothelial carcinoma (mUC) who have disease progression during or following platinum-containing chemotherapy or within 12 months of neoadjuvant or adjuvant treatment with platinum-containing chemotherapy.

In locally advanced or metastatic urothelial carcinoma, KEYTRUDA is administered at a fixed dose of 200 mg every three weeks until disease progression or unacceptable toxicity, or up to 24 months in patients without disease progression.

Microsatellite Instability-High (MSI-H) Cancer

KEYTRUDA is indicated for the treatment of adult and pediatric patients with unresectable or metastatic microsatellite instability-high (MSI-H) or mismatch repair deficient (dMMR)

solid tumors that have progressed following prior treatment and who have no satisfactory alternative treatment options, or
colorectal cancer that has progressed following treatment with fluoropyrimidine, oxaliplatin, and irinotecan.
This indication is approved under accelerated approval based on tumor response rate and durability of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in the confirmatory trials. The safety and effectiveness of KEYTRUDA in pediatric patients with MSI-H central nervous system cancers have not been established.

In adult patients with MSI-H cancer, KEYTRUDA is administered at a fixed dose of 200 mg every three weeks until disease progression, unacceptable toxicity, or up to 24 months in patients without disease progression. In children with MSI-H cancer, KEYTRUDA is administered at a dose of 2 mg/kg (up to a maximum of 200 mg) every three weeks until disease progression or unacceptable toxicity, or up to 24 months in patients without disease progression.

Gastric Cancer

KEYTRUDA is indicated for the treatment of patients with recurrent locally advanced or metastatic gastric or gastroesophageal junction (GEJ) adenocarcinoma whose tumors express PD-L1 [Combined Positive Score (CPS) ≥1] as determined by an FDA-approved test, with disease progression on or after two or more prior lines of therapy including fluoropyrimidine- and platinum-containing chemotherapy and if appropriate, HER2/neu-targeted therapy. This indication is approved under accelerated approval based on tumor response rate and durability of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in the confirmatory trials. The recommended dose of KEYTRUDA is a fixed dose of 200 mg every three weeks until disease progression, unacceptable toxicity, or up to 24 months in patients without disease progression.

Cervical Cancer

KEYTRUDA is indicated for the treatment of patients with recurrent or metastatic cervical cancer with disease progression on or after chemotherapy whose tumors express PD-L1 (CPS ≥1) as determined by an FDA-approved test. This indication is approved under accelerated approval based on tumor response rate and durability of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in the confirmatory trials. The recommended dose of KEYTRUDA is a fixed dose of 200 mg every three weeks until disease progression, unacceptable toxicity or up to 24 months in patients without disease progression.

Selected Important Safety Information for KEYTRUDA

Immune-Mediated Pneumonitis

KEYTRUDA can cause immune-mediated pneumonitis, including fatal cases. Pneumonitis occurred in 3.4% (94/2799) of patients receiving KEYTRUDA, including Grade 1 (0.8%), 2 (1.3%), 3 (0.9%), 4 (0.3%), and 5 (0.1%), and occurred more frequently in patients with a history of prior thoracic radiation (6.9%) compared to those without (2.9%). Monitor patients for signs and symptoms of pneumonitis. Evaluate suspected pneumonitis with radiographic imaging. Administer corticosteroids for Grade 2 or greater pneumonitis. Withhold KEYTRUDA for Grade 2; permanently discontinue for Grade 3 or 4 or recurrent Grade 2 pneumonitis.

Immune-Mediated Colitis

KEYTRUDA can cause immune-mediated colitis. Colitis occurred in 1.7% (48/2799) of patients receiving KEYTRUDA, including Grade 2 (0.4%), 3 (1.1%), and 4 (<0.1%). Monitor patients for signs and symptoms of colitis. Administer corticosteroids for Grade 2 or greater colitis. Withhold KEYTRUDA for Grade 2 or 3; permanently discontinue for Grade 4 colitis.

Immune-Mediated Hepatitis

KEYTRUDA can cause immune-mediated hepatitis. Hepatitis occurred in 0.7% (19/2799) of patients receiving KEYTRUDA, including Grade 2 (0.1%), 3 (0.4%), and 4 (<0.1%). Monitor patients for changes in liver function. Administer corticosteroids for Grade 2 or greater hepatitis and, based on severity of liver enzyme elevations, withhold or discontinue KEYTRUDA.

Immune-Mediated Endocrinopathies

KEYTRUDA can cause hypophysitis, thyroid disorders, and type 1 diabetes mellitus. Hypophysitis occurred in 0.6% (17/2799) of patients, including Grade 2 (0.2%), 3 (0.3%), and 4 (<0.1%). Hypothyroidism occurred in 8.5% (237/2799) of patients, including Grade 2 (6.2%) and 3 (0.1%). The incidence of new or worsening hypothyroidism was higher in patients with HNSCC occurring in 15% (28/192) of patients. Hyperthyroidism occurred in 3.4% (96/2799) of patients, including Grade 2 (0.8%) and 3 (0.1%), and thyroiditis occurred in 0.6% (16/2799) of patients, including Grade 2 (0.3%). Type 1 diabetes mellitus, including diabetic ketoacidosis, occurred in 0.2% (6/2799) of patients.

Monitor patients for signs and symptoms of hypophysitis (including hypopituitarism and adrenal insufficiency), thyroid function (prior to and periodically during treatment), and hyperglycemia. For hypophysitis, administer corticosteroids and hormone replacement as clinically indicated. Withhold KEYTRUDA for Grade 2 and withhold or discontinue for Grade 3 or 4 hypophysitis. Administer hormone replacement for hypothyroidism and manage hyperthyroidism with thionamides and beta-blockers as appropriate. Withhold or discontinue KEYTRUDA for Grade 3 or 4 hyperthyroidism. Administer insulin for type 1 diabetes, and withhold KEYTRUDA and administer anti-hyperglycemics in patients with severe hyperglycemia.

Immune-Mediated Nephritis and Renal Dysfunction

KEYTRUDA can cause immune-mediated nephritis. Nephritis occurred in 0.3% (9/2799) of patients receiving KEYTRUDA, including Grade 2 (0.1%), 3 (0.1%), and 4 (<0.1%) nephritis. Nephritis occurred in 1.7% (7/405) of patients receiving KEYTRUDA in combination with pemetrexed and platinum chemotherapy. Monitor patients for changes in renal function. Administer corticosteroids for Grade 2 or greater nephritis. Withhold KEYTRUDA for Grade 2; permanently discontinue for Grade 3 or 4 nephritis.

Immune-Mediated Skin Reactions

Immune-mediated rashes, including Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN) (some cases with fatal outcome), exfoliative dermatitis, and bullous pemphigoid, can occur. Monitor patients for suspected severe skin reactions and based on the severity of the adverse reaction, withhold or permanently discontinue KEYTRUDA and administer corticosteroids. For signs or symptoms of SJS or TEN, withhold KEYTRUDA and refer the patient for specialized care for assessment and treatment. If SJS or TEN is confirmed, permanently discontinue KEYTRUDA.

Other Immune-Mediated Adverse Reactions

Immune-mediated adverse reactions, which may be severe or fatal, can occur in any organ system or tissue in patients receiving KEYTRUDA and may also occur after discontinuation of treatment. For suspected immune-mediated adverse reactions, ensure adequate evaluation to confirm etiology or exclude other causes. Based on the severity of the adverse reaction, withhold KEYTRUDA and administer corticosteroids. Upon improvement to Grade 1 or less, initiate corticosteroid taper and continue to taper over at least 1 month. Based on limited data from clinical studies in patients whose immune-related adverse reactions could not be controlled with corticosteroid use, administration of other systemic immunosuppressants can be considered. Resume KEYTRUDA when the adverse reaction remains at Grade 1 or less following corticosteroid taper. Permanently discontinue KEYTRUDA for any Grade 3 immune-mediated adverse reaction that recurs and for any life-threatening immune-mediated adverse reaction.

The following clinically significant immune-mediated adverse reactions occurred in less than 1% (unless otherwise indicated) of 2799 patients: arthritis (1.5%), uveitis, myositis, Guillain-Barré syndrome, myasthenia gravis, vasculitis, pancreatitis, hemolytic anemia, sarcoidosis, and encephalitis. In addition, myelitis and myocarditis were reported in other clinical trials and postmarketing use.

Treatment with KEYTRUDA may increase the risk of rejection in solid organ transplant recipients. Consider the benefit of treatment vs the risk of possible organ rejection in these patients.

Infusion-Related Reactions

KEYTRUDA can cause severe or life-threatening infusion-related reactions, including hypersensitivity and anaphylaxis, which have been reported in 0.2% (6/2799) of patients. Monitor patients for signs and symptoms of infusion-related reactions. For Grade 3 or 4 reactions, stop infusion and permanently discontinue KEYTRUDA.

Complications of Allogenic Hematopoietic Stem Cell Transplantation (HSCT)

Immune-mediated complications, including fatal events, occurred in patients who underwent allogeneic HSCT after treatment with KEYTRUDA. Of 23 patients with cHL who proceeded to allogeneic HSCT after KEYTRUDA, 6 developed graft-versus-host disease (GVHD) (one fatal case) and 2 developed severe hepatic veno-occlusive disease (VOD) after reduced-intensity conditioning (one fatal case). Cases of fatal hyperacute GVHD after allogeneic HSCT have also been reported in patients with lymphoma who received a PD-1 receptor–blocking antibody before transplantation. Follow patients closely for early evidence of transplant-related complications such as hyperacute graft-versus-host disease (GVHD), Grade 3 to 4 acute GVHD, steroid-requiring febrile syndrome, hepatic veno-occlusive disease (VOD), and other immune-mediated adverse reactions.

In patients with a history of allogeneic HSCT, acute GVHD (including fatal GVHD), has been reported after treatment with KEYTRUDA. Patients who experienced GVHD after their transplant procedure may be at increased risk for GVHD after KEYTRUDA. Consider the benefit of KEYTRUDA vs the risk of GVHD in these patients.

Increased Mortality in Patients with Multiple Myeloma

In clinical trials in patients with multiple myeloma, the addition of KEYTRUDA to a thalidomide analogue plus dexamethasone resulted in increased mortality. Treatment of these patients with a PD-1 or PD-L1 blocking antibody in this combination is not recommended outside of controlled clinical trials.

Embryofetal Toxicity

Based on its mechanism of action, KEYTRUDA can cause fetal harm when administered to a pregnant woman. If used during pregnancy, or if the patient becomes pregnant during treatment, apprise the patient of the potential hazard to a fetus. Advise females of reproductive potential to use highly effective contraception during treatment and for 4 months after the last dose of KEYTRUDA.

Adverse Reactions

In KEYNOTE-189, when KEYTRUDA was administered with pemetrexed and platinum chemotherapy in metastatic nonsquamous NSCLC, KEYTRUDA was discontinued due to adverse reactions in 20% of 405 patients. The most common adverse reactions resulting in permanent discontinuation of KEYTRUDA were pneumonitis (3%) and acute kidney injury (2%). The most common adverse reactions (≥20%) with KEYTRUDA were nausea (56%), fatigue (56%), constipation (35%), diarrhea (31%), decreased appetite (28%), rash (25%), vomiting (24%), cough (21%), dyspnea (21%), and pyrexia (20%).

In KEYNOTE-010, KEYTRUDA monotherapy was discontinued due to adverse reactions in 8% of 682 patients with metastatic NSCLC. The most common adverse event resulting in permanent discontinuation of KEYTRUDA was pneumonitis (1.8%). The most common adverse reactions (≥20%) were decreased appetite (25%), fatigue (25%), dyspnea (23%), and nausea (20%).

In KEYNOTE-006, KEYTRUDA was discontinued due to adverse reactions in 9% of 555 patients with advanced melanoma; adverse reactions leading to permanent discontinuation in more than one patient were colitis (1.4%), autoimmune hepatitis (0.7%), allergic reaction (0.4%), polyneuropathy (0.4%), and cardiac failure (0.4%). The most common adverse reactions (≥20%) with KEYTRUDA were fatigue (28%), diarrhea (26%), rash (24%), and nausea (21%).

In KEYNOTE-012, KEYTRUDA was discontinued due to adverse reactions in 17% of 192 patients with HNSCC. Serious adverse reactions occurred in 45% of patients. The most frequent serious adverse reactions reported in at least 2% of patients were pneumonia, dyspnea, confusional state, vomiting, pleural effusion, and respiratory failure. The most common adverse reactions (≥20%) were fatigue, decreased appetite, and dyspnea. Adverse reactions occurring in patients with HNSCC were generally similar to those occurring in patients with melanoma or NSCLC, with the exception of increased incidences of facial edema and new or worsening hypothyroidism.

In KEYNOTE-087, KEYTRUDA was discontinued due to adverse reactions in 5% of 210 patients with cHL. Serious adverse reactions occurred in 16% of patients; those ≥1% included pneumonia, pneumonitis, pyrexia, dyspnea, GVHD, and herpes zoster. Two patients died from causes other than disease progression; one from GVHD after subsequent allogeneic HSCT and one from septic shock. The most common adverse reactions (≥20%) were fatigue (26%), pyrexia (24%), cough (24%), musculoskeletal pain (21%), diarrhea (20%), and rash (20%).

In KEYNOTE-170, KEYTRUDA was discontinued due to adverse reactions in 8% of 53 patients with PMBCL. Serious adverse reactions occurred in 26% of patients and included arrhythmia (4%), cardiac tamponade (2%), myocardial infarction (2%), pericardial effusion (2%), and pericarditis (2%). Six (11%) patients died within 30 days of start of treatment. The most common adverse reactions (≥20%) were musculoskeletal pain (30%), upper respiratory tract infection and pyrexia (28% each), cough (26%), fatigue (23%), and dyspnea (21%).

In KEYNOTE-052, KEYTRUDA was discontinued due to adverse reactions in 11% of 370 patients with locally advanced or metastatic urothelial carcinoma. Serious adverse reactions occurred in 42% of patients; those ≥2% were urinary tract infection, hematuria, acute kidney injury, pneumonia, and urosepsis. The most common adverse reactions (≥20%) were fatigue (38%), musculoskeletal pain (24%), decreased appetite (22%), constipation (21%), rash (21%), and diarrhea (20%).

In KEYNOTE-045, KEYTRUDA was discontinued due to adverse reactions in 8% of 266 patients with locally advanced or metastatic urothelial carcinoma. The most common adverse reaction resulting in permanent discontinuation of KEYTRUDA was pneumonitis (1.9%). Serious adverse reactions occurred in 39% of KEYTRUDA-treated patients; those ≥2% were urinary tract infection, pneumonia, anemia, and pneumonitis. The most common adverse reactions (≥20%) in patients who received KEYTRUDA were fatigue (38%), musculoskeletal pain (32%), pruritus (23%), decreased appetite (21%), nausea (21%), and rash (20%).

In KEYNOTE-158, KEYTRUDA was discontinued due to adverse reactions in 8% of 98 patients with recurrent or metastatic cervical cancer. Serious adverse reactions occurred in 39% of patients receiving KEYTRUDA; the most frequent included anemia (7%), fistula, hemorrhage, and infections [except urinary tract infections] (4.1% each). The most common adverse reactions (≥20%) were fatigue (43%), musculoskeletal pain (27%), diarrhea (23%), pain and abdominal pain (22% each), and decreased appetite (21%).

Lactation

It is not known whether KEYTRUDA is excreted in human milk. Because many drugs are excreted in human milk, instruct women to discontinue nursing during treatment with KEYTRUDA and for 4 months after the final dose.

Pediatric Use

There is limited experience in pediatric patients. In a study in 40 pediatric patients with advanced melanoma, lymphoma, or PD-L1–positive advanced, relapsed, or refractory solid tumors, the safety profile was similar to that seen in adults treated with KEYTRUDA. Toxicities that occurred at a higher rate (≥15% difference) in these patients when compared to adults under 65 years of age were fatigue (45%), vomiting (38%), abdominal pain (28%), hypertransaminasemia (28%), and hyponatremia (18%).

On August 20, 2018 Roche (SIX: RO, ROG; OTCQX: RHHBY) reported that the China National Drug Administration (CNDA) has granted marketing authorisation for Alecensa (alectinib) as a monotherapy treatment for patients with anaplastic lymphoma kinase (ALK)-positive, advanced non-small cell lung cancer (NSCLC) (Press release, Hoffmann-La Roche, AUG 20, 2018, View Source [SID1234529063]). The approval follows priority review of Alecensa in China and has been granted just eight and nine months after European Medicines Agency (EMA) and US Food and Drug Administration (FDA) approvals, respectively.

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"Today’s approval marks a new era for ALK-positive lung cancer patients in China, who now have a treatment option that offers a meaningful, sustained benefit compared with the previous standard of care," said Sandra Horning, MD, Roche’s Chief Medical Officer and Head of Global Product Development. "It also represents a significant regulatory shift, with the approval received under unprecedented timelines. We are proud to be at the forefront of healthcare innovation in China by helping to bring Alecensa to patients as quickly as possible."

The approval is based on primary analyses from the pivotal global phase III ALEX study, assessing Alecensa versus crizotinib in the first-line treatment of people with ALK-positive metastatic (advanced) NSCLC, the pharmacokinetics results in Asian patients from the phase III ALESIA study, also investigating Alecensa compared to crizotinib in the first-line setting, and two phase II studies assessing Alecensa in patients who have progressed on or are intolerant to crizotinib.

In updated analyses of the phase III ALEX study presented at the 2018 American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) Annual Meeting, the primary endpoint of investigator assessed progression-free survival (PFS) was more than tripled in people who received Alecensa compared to those who received crizotinib (34.8 months [95% CI: 17.7 months-NE) versus 10.9 months [95% CI 9.1-12.9 months]) as assessed by the investigator.1

Further supporting the use of Alecensa in this setting, the phase III ALESIA study, which met its primary endpoint and showed that Alecensa as an initial (first-line) treatment significantly reduced the risk of disease worsening or death (PFS) compared to crizotinib in Asian patients with ALK-positive NSCLC, will be submitted to the CNDA to complete a post-approval agreement.2 This is the third phase III study to show that Alecensa was superior as an initial treatment compared to crizotinib in this type of lung cancer.2 Full results from the ALESIA study will be presented at an upcoming medical meeting.
Unlike in western countries, lung cancer incidence rates have continued to rise in China, and the disease is the most commonly diagnosed cancer type and the leading cause of cancer-related deaths.3NSCLC is the most common form of lung cancer, with ALK-positive NSCLC, a distinct form, commonly affecting younger people (median age 52), and those with a light or non-smoking history.3,4 Approximately 5% of NSCLC cancer cases are ALK-positive, with around 75,000 people diagnosed with ALK-positive NSCLC every year.5-7

Alecensa is now approved in over 57 countries around the world as an initial (first-line) treatment for ALK-positive advanced NSCLC, including the US, Europe and Japan. It was approved by the FDA and the EMA in November and December 2017, respectively.

About the ALEX study8
ALEX (NCT02075840/B028984) is a randomised, multicentre, open-label, phase III study evaluating the efficacy and safety of Alecensa versus crizotinib in treatment-naïve people with ALK-positive NSCLC whose tumours were characterised as ALK-positive by the VENTANA ALK (D5F3) CDx Assay, a companion immunohistochemistry (IHC) test developed by Roche Tissue Diagnostics. People were randomised (1:1) to receive either Alecensa or crizotinib. The primary endpoint of the ALEX study was PFS as assessed by the investigator, and secondary endpoints included: Independent Review Committee (IRC)-assessed PFS, time to CNS progression, objective response rate (ORR), duration of response (DOR) and overall survival (OS). The multicentre study was conducted in 303 people across 161 sites in 31 countries. OS data are currently considered immature with only about a third of events being reported.

Primary data from the ALEX study were presented at the 2017 ASCO (Free ASCO Whitepaper) Annual Meeting, and were published in the New England Journal of Medicine, with key results showing: 9,10

Alecensa reduced the risk of disease worsening or death (PFS) by 53% compared to crizotinib (HR=0.47, 95% CI: 0.34‒0.65, p<0.0001).
Investigator-reported median PFS (the primary endpoint) was not yet reached in the Alecensa arm (95% CI: 17.7‒not reached) versus 11.1 months (95% CI: 9.1‒13.1 months) in the crizotinib arm.
IRC-reported median PFS (a secondary endpoint) was 25.7 months (95% CI: 19.9‒not reached) in the Alecensa arm versus 10.4 months (95% CI: 7.7‒14.6 months) in the crizotinib arm (HR=0.50, 95% CI: 0.36‒0.70; p<0.0001).
Alecensa reduced the risk of progression in the CNS by 84% (HR=0.16, 95% CI: 0.10‒0.28; p<0.0001).
The 12-month cumulative rate of CNS progression for people with or without existing CNS metastases at baseline was 9.4% (95% CI: 5.4‒14.7%) for people treated with Alecensa and 41.4% (95% CI: 33.2‒49.4%) for people treated with crizotinib.
Overall survival (OS) data were considered immature with only about a quarter of events being reported.
Grade 3‒5 adverse events (AEs) were less frequent in the Alecensa arm (41%) compared to the crizotinib arm (50%). In the Alecensa arm, the most common Grade 3‒5 AEs (≥5%) were increased liver enzymes (alanine transferase and aspartate transferase; 5%) and decreased red blood cells (anaemia; 5%). AEs leading to discontinuation (11% vs. 13%), dose reduction (16% vs. 21%) and dose interruption (19% vs. 25%) were all lower in the Alecensa arm compared to the crizotinib arm.
Follow-up results from the ALEX study analysis were presented at the 2018 ASCO (Free ASCO Whitepaper) Annual Meeting, and showed:1

After a further 10 months of follow-up, Alecensa reduced the risk of disease progression or death (PFS) by 57% compared to crizotinib (HR=0.43, 95% CI: 0.32‒0.58). Median follow-up was 27.8 months versus 22.8 months for Alecensa-treated patients and crizotinib-treated patients, respectively.
Investigator-reported median PFS (the primary endpoint) was 34.8 months in the Alecensa arm (95% CI: 17.7‒NE) versus 10.9 months (95% CI: 9.1‒12.9 months) in the crizotinib arm.
ORR for people treated with Alecensa was 82.9% (95% CI: 75.95-88.51) compared to 75.5% (95% CI: 67.84‒82.12) for people treated with crizotinib, as assessed by the investigator.
Alecensa demonstrated superior efficacy compared to crizotinib regardless of the presence or absence of CNS metastases at baseline. Investigator-assessed median PFS for people without CNS metastases at baseline was 34.8 months with Alecensa (95% CI: 22.4‒NE) versus 14.7 months (95% CI: 10.8‒20.3) with crizotinib (HR=0.47, 95% CI: 0.32‒0.71). Investigator-reported median PFS for people with CNS metastases at baseline was 27.7 months in the Alecensa arm (95% CI: 9.2‒NE) versus 7.4 months (95% CI: 6.6‒9.6) in the crizotinib arm (HR=0.35, 95% CI: 0.22‒0.56).
Improvements were observed in the time between first response to treatment and disease worsening (DOR): 33.3 months with Alecensa versus 11.1 months with crizotinib.
Grade 3-5 AEs were less frequent in the Alecensa arm (44.7%) compared to the crizotinib arm (51.0%). The most common Grade 3-4 AEs were increased liver enzymes (aspartate transaminase; 5.5%, and alanine transaminase; 4.6%) and increased muscle enzymes (creatine phosphokinase; 3.3%). Serious adverse reactions reported in ≥ 2% of people treated with Alecensa were acute kidney injury (2.6%) and decreased red blood cells (anaemia; 2.0%).
AEs leading to dose reduction (16.4% vs. 20.5%) and dose interruption (22.4% vs. 25.2%) were lower in the Alecensa arm compared with the crizotinib arm. AEs leading to discontinuation were equal in both arms (13.2%).
About the ALESIA study11
ALESIA (NCT02838420) is a randomised, multicentre, open-label phase III study evaluating the efficacy and safety of Alecensa versus crizotinib, and the pharmacokinetics of Alecensa in Asian patients with treatment-naive ALK-positive advanced NSCLC. Patients were randomised (2:1) to receive either Alecensa or crizotinib. The primary endpoint of the ALESIA study is PFS as assessed by the investigator using the RECIST v1.1 criteria. Secondary endpoints include: IRC-assessed PFS, ORR, DOR, time to CNS progression, OS, health-related quality of life (HRQoL) and safety. The multicentre study was conducted in 187 patients across 27 sites in three countries.

About Alecensa
Alecensa (RG7853/AF-802/RO5424802/CH5424802) is a highly selective, CNS active, oral medicine created at Chugai Kamakura Research Laboratories and is being developed for people with NSCLC whose tumours are identified as ALK-positive. ALK-positive NSCLC is often found in younger people who have a light or non-smoking history.4 It is almost always found in people with a specific type of NSCLC called adenocarcinoma.4 Alecensa is now approved in over 57 countries as an initial (first-line) treatment for ALK-positive, metastatic NSCLC, including in the United States, Europe, Japan, China, Turkey, Cuba, Peru, Thailand, Australia, the Dominican Republic, India, Israel, Paraguay, Switzerland, Bolivia, Serbia, South Korea, Singapore and Argentina. In addition, Alecensa is approved in the US, Europe, Japan, Kuwait, Israel, Hong Kong, Canada, South Korea, Switzerland, India, Bolivia, Australia, Singapore, Taiwan, Thailand, Liechtenstein, Argentina, United Arab Emirates, Saudi Arabia, Peru, New Zealand, Cuba, the Dominican Republic, Qatar, Oman, Serbia, Paraguay, Turkey and China for the treatment of people with advanced (metastatic) ALK-positive NSCLC whose disease has worsened after, or who could not tolerate treatment with, crizotinib.

On August 19, 2018 Harbour BioMed reported it has entered into an exclusive strategic partnership with Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd. (Kelun-Biotech) to develop and commercialize A167, an anti-PD-L1 antibody in Phase 2 clinical development, worldwide outside of the Greater China region (Press release, Harbour BioMed, AUG 19, 2018, View Source [SID1234528980]). The companies will also collaborate in developing combination therapies of A167 with other agents for commercialization in their respective territories. The potential value of the partnership exceeds $350 million in addition to royalties.

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"Anti-PD-L1 therapy has been validated in many clinical trials in the Immuno-Oncology area. A167 has significant potential as a single agent and as the foundation for combination therapy with other innovative drugs. We are delighted to advance A167 globally and work closely with Kelun-Biotech to achieve its therapeutic potential," said Dr. Jingsong Wang, Harbour BioMed’s founder, Chairman and Chief Executive Officer. "We plan to conduct A167-based combination trials globally by ourselves, including with innovative compounds we are developing, or in collaboration with our partners, to find better therapeutic options against a wide range of tumor types." Dr. Wang noted that the partnership with Kelun-Biotech, Harbour’s first global development alliance, is an important step that accelerates our plan to build a highly innovative, clinical-stage portfolio for worldwide markets.

"A167 is one of the important compounds in our portfolio," said Dr. Tongtong Xue, Chief Executive Officer of Kelun-Biotech. "We are glad to enter this collaboration with Harbour BioMed which is based on trust in our partner’s capabilities and expertise. The Harbour team brings extensive global clinical development experience that will accelerate clinical trials with A167, especially in the area of combinational therapies." Dr. Xue noted that the collaboration is the second alliance Kelun-Biotech entered with Harbour this year. "We entered a strategic partnership with Harbour to co-discover, co-develop and commercialize antibodies against innovative targets, based on Harbour’s leading fully human antibody discovery platforms. We have made significant progress in our joint discovery programs against multiple targets in oncology and immunological diseases."

A167 is an immune-oncology investigational antibody developed by Kelun-Biotech. It binds to immune checkpoint protein PD-L1 and reactivate T cells in the body against cancer cells. The antibody has potential usage in a broad range of solid tumor and hematological malignancies in monotherapy and in combination with other agents. A167 is currently in multiple Phase 1 and Phase 2 clinical trials in China targeting lymphoma and solid tumors.

Under the agreement, Kelun-Biotech will receive upfront, development and regulatory milestones, and commercial milestones based on preset goals, with a potential value of more than $350 million, in addition to royalties based on annual net sales. Harbour will have exclusive rights to develop, manufacture and commercialize A167 in regions outside of Greater China. Both companies will share data generated from their own research and clinical trials to support mono and combination therapies of A167 with other agents for both parties’ development and registration.

On August 19, 2018 Lion TCR Pte. Ltd., a Singapore-based Biotech company reported that it has receives approval from Health Sciences Authority (HSA), Singapore, for its Phase I/II multicentre clinical study of its product candidate (LioCyx) for treatment of relapsed liver cancer post-liver transplantation (Press release, Lion TCR, AUG 19, 2018, View Source [SID1234528981]). The first such trial in Singapore and for the region that uses precision T cell receptor (TCR) immune cell therapy to target Hepatitis B virus (HBV)-related liver cancer, which forms at least 80% of liver cancers in Asia. 80% of the 800,000 new liver cancer cases in the world yearly are diagnosed in Asia Pacific, including China, Vietnam, Thailand, Indonesia, South Korea and Singapore. Liver cancer is the world’s third most deadly cancer with very limited treatment options and poor treatment outcome. There is currently no effective treatment available for liver cancer relapsed patients post-liver transplantation.

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LioCyx is developed by Lion TCR’s scientific founder, Prof. Antonio Bertoletti, a world-renowned HBV-liver cancer clinician scientist. Several Investigator-sponsored trials of LioCyx in Singapore and China have showed results of good safety profile and encouraging signs of efficacy. "We are very delighted with the approval of Phase I/II clinical trial of our LioCyx, the first engineered TCR-T cell therapy for treatment of liver cancer in Singapore. It is an utmost encouragement on the recognition of innovative therapy for patients in need. Singapore HSA has been very efficient, transparent and professional in reviewing our application for the clinical trial of this innovative immunotherapy", said Dr. Victor Li Lietao, founder and CEO of Lion TCR.

Patients recruitment for the Phase I/II clinical trial will begin with National University Hospital (NUH), Singapore. Lion TCR is in the midst of including more medical centres in Singapore and China into the trial.

On August 17, 2018 Bristol-Myers Squibb Company (NYSE:BMY) reported that Opdivo (nivolumab) received approval from the U.S. Food and Drug Administration (FDA) as the first and only Immuno-Oncology treatment option for patients with metastatic small cell lung cancer (SCLC) whose cancer has progressed after platinum-based chemotherapy and at least one other line of therapy (Press release, Bristol-Myers Squibb, AUG 17, 2018, View Source [SID1234528964]).1 Approval for this indication has been granted under accelerated approval based on overall response rate (ORR) and duration of response (DOR). Continued approval for this indication may be contingent upon verification and description of clinical benefit in confirmatory trials.1

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"At Bristol-Myers Squibb, we recognize the critical need to provide patients with cancer therapies that may offer more durable responses – particularly for those living with hard-to-treat, aggressive diseases like small cell lung cancer,"2 said Sabine Maier, M.D., development lead, thoracic cancers, Bristol-Myers Squibb. "This approval builds on our heritage of bringing Immuno-Oncology therapies to patients with other types of thoracic cancers. It also reinforces our commitment to bringing transformative treatments to patients in urgent need of effective new options."

Opdivo is associated with the following Warnings and Precautions: immune-mediated pneumonitis, colitis, hepatitis, endocrinopathies, nephritis and renal dysfunction, skin adverse reactions, encephalitis, other adverse reactions; infusion reactions; and embryo-fetal toxicity.1 Please see the Important Safety Information section below.

This approval for Opdivo in patients with SCLC whose cancer has progressed after two or more prior lines of therapy was granted priority review from the FDA.

The approval was based on data from the SCLC cohort of the ongoing Phase 1/2 CheckMate -032 study evaluating Opdivo in patients who experienced disease progression after platinum-based chemotherapy.1 Of 109 patients receiving Opdivo after platinum-based chemotherapy and at least one other prior line of therapy, 12% (n=13/109; 95% CI: 6.5-19.5) responded to treatment based on assessment by a Blinded Independent Central Review (BICR), regardless of PD-L1 expression.1,3 Twelve patients had a partial response (11%), and one patient had a complete response (0.9%).1,3 Among these responders, the median DOR was 17.9 months (95% CI: 7.9-42.1; range: 3.0-42.1 months).3 Opdivo was discontinued in 10% of patients, and one dose was withheld in 25% of patients for an adverse reaction.1 Serious adverse reactions occurred in 45% of patients.1 The approved dosing for Opdivo in this indication is 240 milligrams administered every 2 weeks by intravenous infusion until disease progression or unacceptable toxicity.1

"While Immuno-Oncology innovations have dramatically changed how oncologists approach certain cancers, we have had limited progress for patients with small cell lung cancer," said Leora Horn, M.D., M.Sc., associate professor of medicine, Ingram associate professor of cancer research, director of the thoracic oncology program and assistant vice chairman for faculty development, Vanderbilt University Medical Center. "Today’s approval of nivolumab is particularly exciting considering it is the first checkpoint inhibitor approved for these specific patients, and now we can finally treat this devastating disease from a different angle."1

Small cell lung cancer is one of two main types of lung cancer and accounts for about 10% to 15% of all lung cancers.4 Small cell lung cancer is an aggressive disease, and symptoms often are not detected until the cancer is at an advanced stage.2 In the United States, about 27,000 cases of SCLC are expected to be diagnosed in 2018.5 From the time of diagnosis, five-year survival rates for extensive stage SCLC, or Stage IV, are about 2%.6

"Small cell lung cancer can be a very challenging disease, particularly for those who have already been through multiple types of treatment, as most patients relapse within a year of diagnosis,"7 said Andrea Ferris, president and chairman of LUNGevity Foundation. "This approval marks a major milestone for the patients touched by this unrelenting disease and may motivate them to pursue further treatment where there previously were no other approved options."

Approval Based on CheckMate -032 Trial

CheckMate -032 is a Phase 1/2 multicenter, multi-cohort, open-label and ongoing trial, including 245 patients with SCLC who had experienced disease progression after platinum-based chemotherapy treated with Opdivo monotherapy.1,8 Efficacy was based on 109 patients who had experienced disease progression after platinum-based chemotherapy and at least one other prior line of therapy.1 These patients received 3 mg/kg of Opdivo given by intravenous infusion over 60 minutes every 2 weeks and were included regardless of their PD-L1 status.1 Infusions were administered to patients until disease progression or unacceptable toxicity. The trial excluded patients with autoimmune disease, medical conditions requiring systemic immunosuppression, symptomatic interstitial lung disease, or untreated brain metastasis.1 Patients with treated brain metastases were eligible if neurologically stable.1

The first tumor assessments were conducted 6 weeks after the first dose and continued every 6 weeks for the first 24 weeks and every 12 weeks thereafter.1 The major efficacy outcome measures were confirmed ORR, which was further characterized by DOR, as assessed by a BICR.1 The median duration of therapy in patients treated with Opdivo in the CheckMate -032 trial was 1 month (range: 0 to 44.2+ months).1 Seventeen percent of patients received Opdivo for greater than 6 months, and 9% of patients received Opdivo for greater than one year.1

Select Safety Profile for the CheckMate -032 Trial

The safety was evaluated in 245 patients with SCLC who experienced disease progression after platinum-based chemotherapy.1 The most frequent serious adverse reactions reported in at least 2% of patients were pneumonia, dyspnea, pneumonitis, pleural effusion and dehydration.1 The most common adverse reactions (reported in at least 20% of patients) were fatigue (45%), decreased appetite (27%), musculoskeletal pain (25%), dyspnea (22%), nausea (22%), diarrhea (21%), constipation (20%) and cough (20%).1,9

INDICATIONS

OPDIVO (nivolumab) is indicated for the treatment of patients with metastatic small cell lung cancer (SCLC) with progression after platinum-based chemotherapy and at least one other line of therapy. This indication is approved under accelerated approval based on overall response rate and duration of response. Continued approval for this indication may be contingent upon verification and description of clinical benefit in confirmatory trials.

OPDIVO (nivolumab) is indicated for the treatment of patients with metastatic non-small cell lung cancer (NSCLC) with progression on or after platinum-based chemotherapy. Patients with EGFR or ALK genomic tumor aberrations should have disease progression on FDA-approved therapy for these aberrations prior to receiving OPDIVO.

OPDIVO (nivolumab) is indicated for the treatment of patients with recurrent or metastatic squamous cell carcinoma of the head and neck (SCCHN) with disease progression on or after platinum-based therapy.

IMPORTANT SAFETY INFORMATION

Immune-Mediated Pneumonitis

OPDIVO can cause immune-mediated pneumonitis. Fatal cases have been reported. Monitor patients for signs with radiographic imaging and for symptoms of pneumonitis. Administer corticosteroids for Grade 2 or more severe pneumonitis. Permanently discontinue for Grade 3 or 4 and withhold until resolution for Grade 2. In patients receiving OPDIVO monotherapy, fatal cases of immune-mediated pneumonitis have occurred. Immune-mediated pneumonitis occurred in 3.1% (61/1994) of patients.

Immune-Mediated Colitis

OPDIVO can cause immune-mediated colitis. Monitor patients for signs and symptoms of colitis. Administer corticosteroids for Grade 2 (of more than 5 days duration), 3, or 4 colitis. Withhold OPDIVO monotherapy for Grade 2 or 3 and permanently discontinue for Grade 4 or recurrent colitis upon re-initiation of OPDIVO. In patients receiving OPDIVO monotherapy, immune-mediated colitis occurred in 2.9% (58/1994) of patients.

Immune-Mediated Hepatitis

OPDIVO can cause immune-mediated hepatitis. Monitor patients for abnormal liver tests prior to and periodically during treatment. Administer corticosteroids for Grade 2 or greater transaminase elevations. Withhold OPDIVO for Grade 2 and permanently discontinue OPDIVO for Grade 3 or 4. In patients receiving OPDIVO monotherapy, immune-mediated hepatitis occurred in 1.8% (35/1994) of patients.

Immune-Mediated Endocrinopathies

OPDIVO can cause immune-mediated hypophysitis, immune-mediated adrenal insufficiency, autoimmune thyroid disorders, and Type 1 diabetes mellitus. Monitor patients for signs and symptoms of hypophysitis, signs and symptoms of adrenal insufficiency, thyroid function prior to and periodically during treatment, and hyperglycemia. Administer hormone replacement as clinically indicated and corticosteroids for Grade 2 or greater hypophysitis. Withhold for Grade 2 or 3 and permanently discontinue for Grade 4 hypophysitis. Administer corticosteroids for Grade 3 or 4 adrenal insufficiency. Withhold for Grade 2 and permanently discontinue for Grade 3 or 4 adrenal insufficiency. Administer hormone-replacement therapy for hypothyroidism. Initiate medical management for control of hyperthyroidism. Withhold OPDIVO for Grade 3 and permanently discontinue for Grade 4 hyperglycemia.

In patients receiving OPDIVO monotherapy, hypophysitis occurred in 0.6% (12/1994) of patients. In patients receiving OPDIVO monotherapy, adrenal insufficiency occurred in 1% (20/1994) of patients. In patients receiving OPDIVO monotherapy, hypothyroidism or thyroiditis resulting in hypothyroidism occurred in 9% (171/1994) of patients. Hyperthyroidism occurred in 2.7% (54/1994) of patients receiving OPDIVO monotherapy. In patients receiving OPDIVO monotherapy, diabetes occurred in 0.9% (17/1994) of patients.

Immune-Mediated Nephritis and Renal Dysfunction

OPDIVO can cause immune-mediated nephritis. Monitor patients for elevated serum creatinine prior to and periodically during treatment. Administer corticosteroids for Grades 2-4 increased serum creatinine. Withhold OPDIVO for Grade 2 or 3 and permanently discontinue for Grade 4 increased serum creatinine. In patients receiving OPDIVO monotherapy, immune-mediated nephritis and renal dysfunction occurred in 1.2% (23/1994) of patients.

Immune-Mediated Skin Adverse Reactions

OPDIVO can cause immune-mediated rash, including Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN), some cases with fatal outcome. Administer corticosteroids for Grade 3 or 4 rash. Withhold for Grade 3 and permanently discontinue for Grade 4 rash. For symptoms or signs of SJS or TEN, withhold OPDIVO and refer the patient for specialized care for assessment and treatment; if confirmed, permanently discontinue. In patients receiving OPDIVO monotherapy, immune-mediated rash occurred in 9% (171/1994) of patients.

Immune-Mediated Encephalitis

OPDIVO can cause immune-mediated encephalitis. Evaluation of patients with neurologic symptoms may include, but not be limited to, consultation with a neurologist, brain MRI, and lumbar puncture. Withhold OPDIVO in patients with new-onset moderate to severe neurologic signs or symptoms and evaluate to rule out other causes. If other etiologies are ruled out, administer corticosteroids and permanently discontinue OPDIVO for immune-mediated encephalitis. In patients receiving OPDIVO monotherapy, encephalitis occurred in 0.2% (3/1994) of patients. Fatal limbic encephalitis occurred in one patient after 7.2 months of exposure despite discontinuation of OPDIVO and administration of corticosteroids.

Other Immune-Mediated Adverse Reactions

Based on the severity of the adverse reaction, permanently discontinue or withhold OPDIVO, administer high-dose corticosteroids, and, if appropriate, initiate hormone-replacement therapy. Across clinical trials of OPDIVO, the following clinically significant immune-mediated adverse reactions, some with fatal outcome, occurred in <1.0% of patients receiving OPDIVO: myocarditis, rhabdomyolysis, myositis, uveitis, iritis, pancreatitis, facial and abducens nerve paresis, demyelination, polymyalgia rheumatica, autoimmune neuropathy, Guillain-Barré syndrome, hypopituitarism, systemic inflammatory response syndrome, gastritis, duodenitis, sarcoidosis, histiocytic necrotizing lymphadenitis (Kikuchi lymphadenitis), motor dysfunction, vasculitis, aplastic anemia, pericarditis, and myasthenic syndrome.

If uveitis occurs in combination with other immune-mediated adverse reactions, consider a Vogt-Koyanagi-Harada-like syndrome, which has been observed in patients receiving OPDIVO and may require treatment with systemic steroids to reduce the risk of permanent vision loss.

Infusion Reactions

OPDIVO can cause severe infusion reactions, which have been reported in <1.0% of patients in clinical trials. Discontinue OPDIVO in patients with Grade 3 or 4 infusion reactions. Interrupt or slow the rate of infusion in patients with Grade 1 or 2. In patients receiving OPDIVO monotherapy as a 60-minute infusion, infusion-related reactions occurred in 6.4% (127/1994) of patients. In a separate study in which patients received OPDIVO monotherapy as a 60-minute infusion or a 30-minute infusion, infusion-related reactions occurred in 2.2% (8/368) and 2.7% (10/369) of patients, respectively. Additionally, 0.5% (2/368) and 1.4% (5/369) of patients, respectively, experienced adverse reactions within 48 hours of infusion that led to dose delay, permanent discontinuation or withholding of OPDIVO.

Embryo-Fetal Toxicity

Based on its mechanism of action, OPDIVO can cause fetal harm when administered to a pregnant woman. Advise pregnant women of the potential risk to a fetus. Advise females of reproductive potential to use effective contraception during treatment with an OPDIVO-containing regimen and for at least 5 months after the last dose of OPDIVO.

Lactation

It is not known whether OPDIVO is present in human milk. Because many drugs, including antibodies, are excreted in human milk and because of the potential for serious adverse reactions in nursing infants from an OPDIVO-containing regimen, advise women to discontinue breastfeeding during treatment.

Serious Adverse Reactions

In Checkmate -032, serious adverse reactions occurred in 45% of patients receiving OPDIVO (n=245). The most frequent serious adverse reactions reported in at least 2% of patients receiving OPDIVO were pneumonia, dyspnea, pneumonitis, pleural effusion, and dehydration. In Checkmate 017 and 057, serious adverse reactions occurred in 46% of patients receiving OPDIVO (n=418). The most frequent serious adverse reactions reported in ≥2% of patients receiving OPDIVO were pneumonia, pulmonary embolism, dyspnea, pyrexia, pleural effusion, pneumonitis, and respiratory failure. In Checkmate 141, serious adverse reactions occurred in 49% of patients receiving OPDIVO (n=236). The most frequent serious adverse reactions reported in ≥2% of patients receiving OPDIVO were pneumonia, dyspnea, respiratory failure, respiratory tract infection, and sepsis.

Common Adverse Reactions

In Checkmate -032, the most common adverse reactions (≥20%) in patients receiving OPDIVO (n=245) were fatigue (45%), decreased appetite (27%), musculoskeletal pain (25%), dyspnea (22%), nausea (22%), diarrhea (21%), constipation (20%), and cough (20%). In Checkmate 017 and 057, the most common adverse reactions (≥20%) in patients receiving OPDIVO (n=418) were fatigue, musculoskeletal pain, cough, dyspnea, and decreased appetite. In Checkmate 141, the most common adverse reactions (≥10%) in patients receiving OPDIVO (n=236) were cough and dyspnea at a higher incidence than investigator’s choice.