Bristol-Myers Squibb Receives Positive CHMP Opinion for Opdivo® (nivolumab) in Combination with Yervoy® (ipilimumab) for Treatment of Advanced Melanoma

On April 1, 2016 Bristol-Myers Squibb Company (NYSE: BMY) reported that the Committee for Medicinal Products for Human Use (CHMP) has recommended the approval of Opdivo in combination with Yervoy for the treatment of advanced (unresectable or metastatic) melanoma in adults (Press release, Bristol-Myers Squibb, APR 1, 2016, View Source [SID:1234510290]).

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The CHMP also added an informative statement to the broad indication that relative to Opdivo monotherapy, an increase in progression-free survival (PFS) for the combination of Opdivo with Yervoy is established only in patients with low tumor PD-L1 expression. This CHMP recommendation will now be reviewed by the European Commission (EC), which has the authority to approve medicines for the European Union. Opdivo monotherapy is already approved by the EC for advanced melanoma and previously treated advanced squamous non-small cell lung cancer (NSCLC), and was recommended for approval by the CHMP in February for previously treated advanced or metastatic non-squamous NSCLC and renal cell carcinoma (RCC).

Jean Viallet, M.D., Global Clinical Research Lead, Oncology, Bristol-Myers Squibb, commented, "Our pioneering Immuno-Oncology science began with the study of Yervoy in advanced melanoma. This scientific knowledge led to the development of Opdivo, which is now an important treatment option for patients with advanced melanoma. Now, we continue our progress in finding new treatment options for this devastating disease through the study of the combination of these two Immuno-Oncology agents. We are pleased the CHMP has recommended approval of Opdivo in combination with Yervoy in a broad melanoma patient population, and look forward to the European Commission’s decision."

The CHMP adopted the positive opinion based on data from two trials, CheckMate -067 and CheckMate -069, in addition to supportive data from CA209-004, a Phase 1b study which evaluated the combination of Opdivo and Yervoy in patients with advanced melanoma. CheckMate -067 is a Phase 3, double-blind trial which evaluated Opdivo in combination with Yervoy or Opdivo monotherapy vs. Yervoy monotherapy in patients with previously untreated advanced melanoma, and included patients with both BRAF V600 mutation-positive and wild-type advanced melanoma. The co-primary endpoints were PFS and overall survival (OS).

CheckMate -069 is a Phase 2, double-blind, randomized study which evaluated Opdivo in combination with Yervoy vs. Yervoy monotherapy in patients with previously untreated unresectable or metastatic melanoma, and included patients with both BRAF wild-type and BRAF V600 mutation-positive melanoma. The primary endpoint was objective response rate (ORR) in patients with BRAF wild-type tumors. Secondary endpoints included PFS in patients with BRAF wild-type tumors, ORR in patients with BRAF V600 mutation positive tumors, and safety. Overall survival was an exploratory endpoint.

About Advanced Melanoma

Melanoma is a form of skin cancer characterized by the uncontrolled growth of pigment-producing cells (melanocytes) located in the skin. Metastatic melanoma is the deadliest form of the disease, and occurs when cancer spreads beyond the surface of the skin to the other organs, such as the lymph nodes, lungs, brain or other areas of the body. Melanoma is the ninth most common cancer in Europe, with an estimated 100,000 new cases diagnosed annually and more than 20,000 deaths.

Bristol-Myers Squibb & Immuno-Oncology: Advancing Oncology Research

At Bristol-Myers Squibb, we have a vision for the future of cancer care that is focused on Immuno-Oncology, now considered a major treatment choice alongside surgery, radiation, chemotherapy and targeted therapies for certain types of cancer.

We have a comprehensive clinical portfolio of investigational and approved Immuno-Oncology agents, many of which were discovered and developed by our scientists. Our ongoing Immuno-Oncology clinical program is looking at broad patient populations, across multiple solid tumors and hematologic malignancies, and lines of therapy and histologies, with the intent of powering our trials for overall survival and other important measures like durability of response. We pioneered the research leading to the first regulatory approval for the combination of two Immuno-Oncology agents, and continue to study the role of combinations in cancer.

We are also investigating other immune system pathways in the treatment of cancer including CTLA-4, CD-137, KIR, SLAMF7, PD-1, GITR, CSF1R, IDO, and LAG-3. These pathways may lead to potential new treatment options – in combination or monotherapy – to help patients fight different types of cancers.

Our collaboration with academia, as well as small and large biotech companies, to research the potential of Immuno-Oncology and non-Immuno-Oncology combinations, helps achieve our goal of providing new treatment options in clinical practice.

At Bristol-Myers Squibb, we are committed to changing survival expectations in hard-to-treat cancers and the way patients live with cancer.

About Opdivo

Cancer cells may exploit "regulatory" pathways, such as checkpoint pathways, to hide from the immune system and shield the tumor from immune attack. Opdivo is a PD-1 immune checkpoint inhibitor that binds to the checkpoint receptor PD-1 expressed on activated T-cells, and blocks the binding of PD-L1 and PD-L2, preventing the PD-1 pathway’s suppressive signaling on the immune system, including the interference with an anti-tumor immune response.

Opdivo’s broad global development program is based on Bristol-Myers Squibb’s understanding of the biology behind Immuno-Oncology. Our company is at the forefront of researching the potential of Immuno-Oncology to extend survival in hard-to-treat cancers. This scientific expertise serves as the basis for the Opdivo development program, which includes a broad range of Phase 3 clinical trials evaluating overall survival as the primary endpoint across a variety of tumor types. The Opdivo trials have also contributed toward the clinical and scientific understanding of the role of biomarkers and how patients may benefit from Opdivo across the continuum of PD-L1 expression. To date, the Opdivo clinical development program has enrolled more than 18,000 patients.

Opdivo was the first PD-1 immune checkpoint inhibitor to receive regulatory approval anywhere in the world in July 2014, and currently has regulatory approval in 48 countries including the United States, Japan, and in the European Union.

U.S. FDA APPROVED INDICATIONS

OPDIVO (nivolumab) as a single agent is indicated for the treatment of patients with BRAF V600 wild-type unresectable or metastatic melanoma.

OPDIVO (nivolumab) as a single agent is indicated for the treatment of patients with BRAF V600 mutation-positive unresectable or metastatic melanoma. This indication is approved under accelerated approval based on progression-free survival. Continued approval for this indication may be contingent upon verification and description of clinical benefit in confirmatory trials.

OPDIVO (nivolumab), in combination with YERVOY (ipilimumab), is indicated for the treatment of patients with unresectable or metastatic melanoma. This indication is approved under accelerated approval based on progression-free survival. Continued approval for this indication may be contingent upon verification and description of clinical benefit in confirmatory trials.

IMPORTANT SAFETY INFORMATION

WARNING: IMMUNE-MEDIATED ADVERSE REACTIONS

YERVOY can result in severe and fatal immune-mediated adverse reactions. These immune-mediated reactions may involve any organ system; however, the most common severe immune-mediated adverse reactions are enterocolitis, hepatitis, dermatitis (including toxic epidermal necrolysis), neuropathy, and endocrinopathy. The majority of these immune-mediated reactions initially manifested during treatment; however, a minority occurred weeks to months after discontinuation of YERVOY.

Assess patients for signs and symptoms of enterocolitis, dermatitis, neuropathy, and endocrinopathy and evaluate clinical chemistries including liver function tests (LFTs), adrenocorticotropic hormone (ACTH) level, and thyroid function tests at baseline and before each dose.

Permanently discontinue YERVOY and initiate systemic high-dose corticosteroid therapy for severe immune-mediated reactions.

Immune-Mediated Pneumonitis

Immune-mediated pneumonitis, including fatal cases, occurred with OPDIVO treatment. Across the clinical trial experience with solid tumors, fatal immune-mediated pneumonitis occurred with OPDIVO. In addition, in Checkmate -069, there were six patients who died without resolution of abnormal respiratory findings. Monitor patients for signs with radiographic imaging and symptoms of pneumonitis. Administer corticosteroids for Grade 2 or greater pneumonitis. Permanently discontinue for Grade 3 or 4 and withhold until resolution for Grade 2. In Checkmate -069 and -067, immune-mediated pneumonitis occurred in 6% (25/407) of patients receiving OPDIVO with YERVOY: Fatal (n=1), Grade 3 (n=6), Grade 2 (n=17), and Grade 1 (n=1). In Checkmate -037, -066, and -067, immune-mediated pneumonitis occurred in 1.8% (14/787) of patients receiving OPDIVO: Grade 3 (n=2) and Grade 2 (n=12).

Immune-Mediated Colitis

Immune-mediated colitis can occur with OPDIVO treatment. Monitor patients for signs and symptoms of colitis. Administer corticosteroids for Grade 2 (of more than 5 days duration), 3, or 4 colitis. As a single agent, withhold OPDIVO for Grade 2 or 3 and permanently discontinue for Grade 4 or recurrent colitis upon restarting OPDIVO. When administered with YERVOY, withhold OPDIVO for Grade 2 and permanently discontinue for Grade 3 or 4 or recurrent colitis upon restarting OPDIVO. In Checkmate -069 and -067, diarrhea or colitis occurred in 56% (228/407) of patients receiving OPDIVO with YERVOY. Immune-mediated colitis occurred in 26% (107/407) of patients: Grade 4 (n=2), Grade 3 (n=60), Grade 2 (n=32), and Grade 1 (n=13). In Checkmate -037, -066, and -067, diarrhea or colitis occurred in 31% (242/787) of patients receiving OPDIVO. Immune-mediated colitis occurred in 4.1% (32/787) of patients: Grade 3 (n=20), Grade 2 (n=10), and Grade 1 (n=2).

In a separate Phase 3 study of YERVOY 3 mg/kg, severe, life-threatening, or fatal (diarrhea of ≥7 stools above baseline, fever, ileus, peritoneal signs; Grade 3-5) immune-mediated enterocolitis occurred in 34 (7%) patients. Across all YERVOY-treated patients in that study (n=511), 5 (1%) developed intestinal perforation, 4 (0.8%) died as a result of complications, and 26 (5%) were hospitalized for severe enterocolitis.

Immune-Mediated Hepatitis

Immune-mediated hepatitis can occur with OPDIVO treatment. Monitor patients for abnormal liver tests prior to and periodically during treatment. Administer corticosteroids for Grade 2 or greater transaminase elevations. Withhold for Grade 2 and permanently discontinue for Grade 3 or 4 immune-mediated hepatitis. In Checkmate -069 and -067, immune-mediated hepatitis occurred in 13% (51/407) of patients receiving OPDIVO with YERVOY: Grade 4 (n=8), Grade 3 (n=37), Grade 2 (n=5), and Grade 1 (n=1). In Checkmate -037, -066, and -067, immune-mediated hepatitis occurred in 2.3% (18/787) of patients receiving OPDIVO: Grade 4 (n=3), Grade 3 (n=11), and Grade 2 (n=4).

In a separate Phase 3 study of YERVOY 3 mg/kg, severe, life-threatening, or fatal hepatotoxicity (AST or ALT elevations >5x the ULN or total bilirubin elevations >3x the ULN; Grade 3-5) occurred in 8 (2%) patients, with fatal hepatic failure in 0.2% and hospitalization in 0.4%.

Immune-Mediated Dermatitis

In a separate Phase 3 study of YERVOY 3 mg/kg, severe, life-threatening, or fatal immune-mediated dermatitis (eg, Stevens-Johnson syndrome, toxic epidermal necrolysis, or rash complicated by full thickness dermal ulceration, or necrotic, bullous, or hemorrhagic manifestations; Grade 3-5) occurred in 13 (2.5%) patients. 1 (0.2%) patient died as a result of toxic epidermal necrolysis. 1 additional patient required hospitalization for severe dermatitis.

Immune-Mediated Neuropathies

In a separate Phase 3 study of YERVOY 3 mg/kg, 1 case of fatal Guillain-Barré syndrome and 1 case of severe (Grade 3) peripheral motor neuropathy were reported.

Immune-Mediated Endocrinopathies

Hypophysitis, adrenal insufficiency, thyroid disorders, and type 1 diabetes mellitus can occur with OPDIVO treatment. Monitor patients for signs and symptoms of hypophysitis, signs and symptoms of adrenal insufficiency during and after treatment, thyroid function prior to and periodically during treatment, and hyperglycemia. Administer 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. Administer insulin for type 1 diabetes. Withhold OPDIVO for Grade 3 and permanently discontinue for Grade 4 hyperglycemia.

In Checkmate -069 and -067, hypophysitis occurred in 9% (36/407) of patients receiving OPDIVO with YERVOY: Grade 3 (n=8), Grade 2 (n=25), and Grade 1 (n=3). In Checkmate -037, -066, and -067, hypophysitis occurred in 0.9% (7/787) of patients receiving OPDIVO: Grade 3 (n=2), Grade 2 (n=3), and Grade 1 (n=2). In Checkmate -069 and -067, adrenal insufficiency occurred in 5% (21/407) of patients receiving OPDIVO with YERVOY: Grade 4 (n=1), Grade 3 (n=7), Grade 2 (n=11), and Grade 1 (n=2). In Checkmate -037, -066, and -067, adrenal insufficiency occurred in 1% (8/787) of patients receiving OPDIVO: Grade 3 (n=2), Grade 2 (n=5), and Grade 1 (n=1). In Checkmate -069 and -067, hypothyroidism or thyroiditis occurred in 22% (89/407) of patients receiving OPDIVO with YERVOY: Grade 3 (n=6), Grade 2 (n=47), and Grade 1 (n=36). Hyperthyroidism occurred in 8% (34/407) of patients: Grade 3 (n=4), Grade 2 (n=17), and Grade 1 (n=13). In Checkmate -037, -066, and -067, hypothyroidism or thyroiditis occurred in 9% (73/787) of patients receiving OPDIVO: Grade 3 (n=1), Grade 2 (n=37), Grade 1 (n=35). Hyperthyroidism occurred in 4.4% (35/787) of patients receiving OPDIVO: Grade 3 (n=1), Grade 2 (n=12), and Grade 1 (n=22). In Checkmate -069 and -067, diabetes mellitus or diabetic ketoacidosis occurred in 1.5% (6/407) of patients: Grade 4 (n=3), Grade 3 (n=1), Grade 2 (n=1), and Grade 1 (n=1). In Checkmate -037, -066, and -067, diabetes mellitus or diabetic ketoacidosis occurred in 0.8% (6/787) of patients receiving OPDIVO: Grade 3 (n=2), Grade 2 (n=3), and Grade 1 (n=1).

In a separate Phase 3 study of YERVOY 3 mg/kg, severe to life-threatening immune-mediated endocrinopathies (requiring hospitalization, urgent medical intervention, or interfering with activities of daily living; Grade 3-4) occurred in 9 (1.8%) patients. All 9 patients had hypopituitarism, and some had additional concomitant endocrinopathies such as adrenal insufficiency, hypogonadism, and hypothyroidism. 6 of the 9 patients were hospitalized for severe endocrinopathies.

Immune-Mediated Nephritis and Renal Dysfunction

Immune-mediated nephritis can occur with OPDIVO treatment. Monitor patients for elevated serum creatinine prior to and periodically during treatment. For Grade 2 or 3 increased serum creatinine, withhold and administer corticosteroids; if worsening or no improvement occurs, permanently discontinue. Administer corticosteroids for Grade 4 serum creatinine elevation and permanently discontinue. In Checkmate -069 and -067, immune-mediated nephritis and renal dysfunction occurred in 2.2% (9/407) of patients: Grade 4 (n=4), Grade 3 (n=3), and Grade 2 (n=2). In Checkmate -037, -066, and -067, nephritis and renal dysfunction of any grade occurred in 5% (40/787) of patients receiving OPDIVO. Immune-mediated nephritis and renal dysfunction occurred in 0.8% (6/787) of patients: Grade 3 (n=4) and Grade 2 (n=2).

Immune-Mediated Rash

Immune-mediated rash can occur with OPDIVO treatment. Severe rash (including rare cases of fatal toxic epidermal necrolysis) occurred in the clinical program of OPDIVO. Monitor patients for rash. Administer corticosteroids for Grade 3 or 4 rash. Withhold for Grade 3 and permanently discontinue for Grade 4. In Checkmate -069 and -067, immune-mediated rash occurred in 22.6% (92/407) of patients receiving OPDIVO with YERVOY: Grade 3 (n=15), Grade 2 (n=31), and Grade 1 (n=46). In Checkmate -037, -066, and -067, immune-mediated rash occurred in 9% (72/787) of patients receiving OPDIVO: Grade 3 (n=7), Grade 2 (n=15), and Grade 1 (n=50).

Immune-Mediated Encephalitis

Immune-mediated encephalitis can occur with OPDIVO treatment. 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 Checkmate -067, encephalitis was identified in one patient (0.2%) receiving OPDIVO with YERVOY.

Other Immune-Mediated Adverse Reactions

Based on the severity of adverse reaction, permanently discontinue or withhold treatment, administer high-dose corticosteroids, and, if appropriate, initiate hormone-replacement therapy. In < 1.0% of patients receiving OPDIVO, the following clinically significant, immune-mediated adverse reactions occurred: uveitis, pancreatitis, facial and abducens nerve paresis, demyelination, polymyalgia rheumatica, autoimmune neuropathy, Guillain-Barré syndrome, hypopituitarism, systemic inflammatory response syndrome, gastritis, duodenitis, and sarcoidosis. Across clinical trials of OPDIVO as a single agent administered at doses of 3 mg/kg and 10 mg/kg, additional clinically significant, immune-mediated adverse reactions were identified: motor dysfunction, vasculitis, and myasthenic syndrome.

Infusion Reactions

Severe infusion reactions have been reported in <1.0% of patients in clinical trials of OPDIVO. 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 Checkmate -069 and -067, infusion- related reactions occurred in 2.5% (10/407) of patients receiving OPDIVO with YERVOY: Grade 2 (n=6) and Grade 1 (n=4). In Checkmate -037, -066, and -067, Grade 2 infusion related reactions occurred in 2.7% (21/787) of patients receiving OPDIVO: Grade 3 (n=2), Grade 2 (n=8), and Grade 1 (n=11).

Embryo-fetal Toxicity

Based on their mechanisms of action, OPDIVO and YERVOY 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- or YERVOY- containing regimen and for at least 5 months after the last dose of OPDIVO.

Lactation

It is not known whether OPDIVO or YERVOY 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. Advise women to discontinue nursing during treatment with YERVOY and for 3 months following the final dose.

Serious Adverse Reactions

In Checkmate -067, serious adverse reactions (73% and 37%), adverse reactions leading to permanent discontinuation (43% and 14%) or to dosing delays (55% and 28%), and Grade 3 or 4 adverse reactions (72% and 44%) all occurred more frequently in the OPDIVO plus YERVOY arm relative to the OPDIVO arm. The most frequent (≥10%) serious adverse reactions in the OPDIVO plus YERVOY arm and the OPDIVO arm, respectively, were diarrhea (13% and 2.6%), colitis (10% and 1.6%), and pyrexia (10% and 0.6%). In Checkmate -037, serious adverse reactions occurred in 41% of patients receiving OPDIVO. Grade 3 and 4 adverse reactions occurred in 42% of patients receiving OPDIVO. The most frequent Grade 3 and 4 adverse drug reactions reported in 2% to <5% of patients receiving OPDIVO were abdominal pain, hyponatremia, increased aspartate aminotransferase, and increased lipase. In Checkmate -066, serious adverse reactions occurred in 36% of patients receiving OPDIVO. Grade 3 and 4 adverse reactions occurred in 41% of patients receiving OPDIVO. The most frequent Grade 3 and 4 adverse reactions reported in ≥2% of patients receiving OPDIVO were gamma-glutamyltransferase increase (3.9%) and diarrhea (3.4%).

Common Adverse Reactions

In Checkmate -067, the most common (≥20%) adverse reactions in the OPDIVO plus YERVOY arm were fatigue (59%), rash (53%), diarrhea (52%), nausea (40%), pyrexia (37%), vomiting (28%), and dyspnea (20%). The most common (≥20%) adverse reactions in the OPDIVO arm were fatigue (53%), rash (40%), diarrhea (31%), and nausea (28%). In Checkmate -037, the most common adverse reaction (≥20%) reported with OPDIVO was rash (21%). In Checkmate -066, the most common adverse reactions (≥20%) reported with OPDIVO vs dacarbazine were fatigue (49% vs 39%), musculoskeletal pain (32% vs 25%), rash (28% vs 12%), and pruritus (23% vs 12%).

In a separate Phase 3 study of YERVOY 3 mg/kg, the most common adverse reactions (≥5%) in patients who received YERVOY at 3 mg/kg were fatigue (41%), diarrhea (32%), pruritus (31%), rash (29%), and colitis (8%).

Please see U.S. Full Prescribing Information for OPDIVO and YERVOY including Boxed WARNING for YERVOY regarding immune-mediated adverse reactions.

About the Bristol-Myers Squibb and Ono Pharmaceutical Co., Ltd. Collaboration

In 2011, through a collaboration agreement with Ono Pharmaceutical Co., Ltd (Ono) Bristol-Myers Squibb expanded its territorial rights to develop and commercialize Opdivo globally except in Japan, South Korea and Taiwan, where Ono had retained all rights to the compound at the time. On July 23, 2014, Bristol-Myers Squibb and Ono further expanded the companies’ strategic collaboration agreement to jointly develop and commercialize multiple immunotherapies – as single agents and combination regimens – for patients with cancer in Japan, South Korea and Taiwan.

Array BioPharma Announces Decision To Discontinue MILO Study In Ovarian Cancer

On April 1, 2016 Array BioPharma Inc. (Nasdaq: ARRY) reported its decision to discontinue the MILO study, a Phase 3 trial of binimetinib for the treatment of patients with low-grade serous ovarian cancer (Press release, Array BioPharma, APR 1, 2016, View Source [SID:1234510287]). The decision to stop the study was made after a planned interim analysis showed that the Hazard Ratio for Progression Free Survival (PFS) crossed the predefined futility boundary. Top-line results from the study had been expected in 2017.

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Array will work with investigators to appropriately conclude the MILO study in a manner consistent with the best interest of each patient, while more detailed results will be shared with the scientific community in the future. All other ongoing studies of binimetinib, including the Phase 3 COLUMBUS (BRAF-mutant melanoma) and NEMO (NRAS-mutant melanoma) trials, are unaffected.

Victor Sandor, M.D., Chief Medical Officer of Array, said: "While we are disappointed by this outcome, the findings from MILO have no impact on the other studies of binimetinib, including the NEMO trial, which has already met its primary endpoint, and the COLUMBUS trial, which is designed to test a highly precedented combination of mechanisms in patients with BRAF-mutant melanoma."

About MILO
The MILO trial, (NCT01849874), is an international, randomized Phase 3 study of binimetinib or a chemotherapy chosen by a physician (liposomal doxorubicin, paclitaxel or topotecan) in patients with recurrent or persistent low-grade serous ovarian cancer. The primary endpoint of the study is PFS and secondary endpoints include overall survival, overall response rate, duration of response, disease control rate, safety and quality of life.

About Binimetinib
MEK is a key protein kinase in the RAS/RAF/MEK/ERK pathway. Research has shown this pathway regulates several key cellular activities including proliferation, differentiation, migration, survival and angiogenesis. Inappropriate activation of proteins in this pathway has been shown to occur in many cancers, including non-small cell lung cancer, melanoma, and colorectal cancer. Binimetinib is a small molecule MEK inhibitor which targets key enzymes in this pathway. Binimetinib is in late-stage development, with a primary Phase 3 program (COLUMBUS) in BRAF-mutant melanoma in combination with BRAF inhibitor, encorafenib. Binimetinib is also being investigated in a Phase 3 study (NEMO) in patients with NRAS-mutant melanoma.

20-F – Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

(Filing, Annual, Can-Fite BioPharma, 2015, MAR 31, 2016, View Source [SID:1234510271])

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Atreca Announces Presentation of Preclinical Data for Antibody Discovery Program

On March 31, 2016 Atreca, Inc., a biotechnology company focused on developing novel therapeutics based on a deep understanding of the human immune response, reported positive preclinical findings generated using the Company’s Immune Repertoire Capture technology, presented at the Gordon Research Conference: Antibody Biology & Engineering, which took place in Galveston, TX, March 20-25, 2016 (Press release, Atreca, MAR 31, 2016, View Source [SID1234522967]). In a poster titled, "Protective Anti-Malarial Human Antibodies identified from P. falciparum CSP Immunized Kymice using Immune Repertoire Capture (IRC)", a research team including scientists at Atreca and collaborators at leading institutions reported key preclinical research findings, including:

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Atreca’s Immune Repertoire Capture technology applied in combination with Kymab’s Kymice, an Ig-gene humanized mouse platform, identified and generated potent antibodies comprised of human variable genes.
•Atreca identified diverse lineages (or families) of antibodies that bind to a key target, the circumsporozoite protein (CSP) of P. falciparum. Two of these lineages provided potent protection in an in vivo malaria-challenge model, resulting in >99% reduction of liver-stage parasite load.
Daniel Emerling, Ph.D., Atreca’s Senior Vice President, Research, stated, "IRC enabled identification of multiple lineages containing potent, anti-malarial human antibodies generated by activated mouse B cells. The diversified antibody library that we generated had a high hit rate of binding against the CSP target (34%). Our analyses also provide the foundation for understanding structure-activity relationships that mediate the binding of the antibodies that are efficacious in vivo. Furthermore, we have identified many other antibody sequences in these and other lineages that are highly similar to the efficacious antibodies and may therefore also be active in vivo."

Dr. Emerling continued, "We are grateful to both the Bill & Melinda Gates Foundation and the PATH Malaria Vaccine Initiative for supporting this critical research."

"These results disclosed at the Gordon Conference demonstrate the ability of Atreca’s Immune Repertoire Capture technology to generate novel antibodies with high in vivo potency from immune responses, as well as multiple lineages containing such antibodies," commented Tito A. Serafini, Ph.D., Atreca’s President, Chief Executive Officer, and Co-Founder. "While our primary focus continues to be on cancer immunotherapy, our IRC technology allows us to mine the key phenomenon driving efficacious immune responses in humans and animals in diverse disease settings, including infectious and autoimmune diseases."

Atreca recently reported use of its Immune Repertoire Capture technology to analyze the successful anti-tumor responses in individuals with non-progressing lung adenocarcinoma. Based on this and related research, select antibodies discovered by Atreca have progressed to preclinical testing in in vivo models of cancer, with the goal of selecting candidates to enter into more advanced preclinical studies.

PharmaCyte Biotech Finalizes Design of Pancreatic Cancer Clinical Trial and Identifies Trial Sites under Consideration

On March 31, 2016 PharmaCyte Biotech, Inc. (OTCQB: PMCB), a clinical stage biotechnology company focused on developing targeted therapies for cancer and diabetes using its live-cell encapsulation technology, Cell-in-a-Box, reported the final design of its clinical trial for patients with advanced pancreatic cancer (Press release, PharmaCyte Biotech, MAR 31, 2016, View Source [SID:1234510778]). The clinical trial design was developed with Translational Drug Development (TD2), America’s premier oncology Contract Research Organization, as well as with renowned pancreatic cancer specialists consulting with PharmaCyte.

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PharmaCyte’s Chief Executive Officer, Kenneth L. Waggoner, stated, "The trial is designed to determine if PharmaCyte’s pancreatic cancer treatment (the combination of micro-capsules that contain genetically modified human cells which convert the cancer prodrug ifosfamide into its "cancer-killing" form at one-third the normal dose) can satisfy a clear unmet medical need that exists for patients with locally advanced, inoperable pancreatic cancer who no longer respond to the current standard of care. Most of these patients are initially treated with the combination of nab-paclitaxel (Abraxane) plus gemcitabine or the four-drug combination known as FOLFIRINOX. When these patients’ tumors no longer respond to treatment with these regimens, the next standard of care offers little to no benefit. It is then that these patients are often treated with the combination of the anticancer drug capecitabine plus radiation therapy. However, this combination is only marginally effective in stopping the progression of the disease. In PharmaCyte’s clinical trial, our pancreatic cancer therapy will be compared "head to head" with the capecitabine/radiation combination to demonstrate that it is clearly superior in treating these patients while maintaining a superior quality of life during the therapy."

Major factors in the overall trial design are:

The clinical trial will be international (United States, Europe and possibly Australia), multi-site, open-label and randomized.

Study sites under consideration in the United States include the Mayo Clinic in Scottsdale, Arizona, the Beth Israel Deaconess Cancer Center and the Dana-Farber Cancer Institute both in Boston, Massachusetts, the Baylor Cancer Center in Dallas, Texas, the City of Hope Cancer Center in Los Angeles, California, and sites in Germany and Spain.

The randomization ratio of patients between the two study groups will be 1:1 (an equal number of patients will be randomly assigned to the capecitabine + radiation group and the PharmaCyte pancreatic cancer therapy group).

As many as 84 patients will be required to complete the study, although fewer may be required based upon the data developed during the trial.

Only patients who have locally advanced, non-metastatic, inoperable cancers and whose tumors no longer respond after 4-6 months of treatment with either the nab-paclitaxel (Abraxane) + gemcitabine or FOLFIRINOX regimens will be eligible for the study.

Unlike the earlier clinical trials using PharmaCyte’s pancreatic cancer therapy where patients received only two doses of ifosfamide, multiple cycles of ifosfamide will be given to those being treated with PharmaCyte’s pancreatic cancer therapy. This will continue until the patients’ tumors no longer respond to PharmaCyte’s therapy or until treatment-related toxicity accumulates to unacceptable levels.
Mr. Waggoner concluded, "We feel that the major factors that needed to be considered for the development of a complete clinical trial protocol have now been addressed. Of course, as we continue to move toward our clinical trial, slight changes that benefit the overall trial design could certainly be addressed and lead to further refinement of the trial. Special appreciation for reaching this point must be given to the renowned pancreatic cancer experts who have played such a major role in the trial design. With these developments, we are yet another step closer to the commencement of our clinical trial which we believe will satisfy the clear unmet medical need experienced by patients with locally advanced, but inoperable, pancreatic cancer who no longer respond to the gold standard of care."