New KEYTRUDA® (pembrolizumab) Data to be Presented at 17th World Conference on Lung Cancer Highlight Research Across the Spectrum of Thoracic Malignancies

On November 30, 2016 Merck (NYSE:MRK), known as MSD outside the United States and Canada, reported that new data investigating the use of KEYTRUDA (pembrolizumab), the company’s anti-PD-1 therapy, across multiple thoracic malignancies, including non-small cell lung cancer (NSCLC), small cell lung cancer and malignant pleural mesothelioma, will be presented at the 17th World Conference on Lung Cancer (WCLC) hosted by the International Association for the Study of Lung Cancer in Vienna, Austria, Dec. 4-7 (Messe Wien Exhibition & Congress Center) (Press release, Merck & Co, NOV 30, 2016, View Source [SID1234516845]). An abstract evaluating quality of life outcomes in first-line NSCLC from KEYNOTE-024 (Abstract #PL04a.01) will be included in the official WCLC press program on Wednesday, Dec. 7.

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"Based on the meaningful results already obtained in studies evaluating the use of KEYTRUDA in certain patients with PD-L1 positive non-small cell lung cancer, we have asked whether similar benefits might be associated with KEYTRUDA use in treating other intrathoracic malignancies, including small cell lung cancer and malignant pleural mesothelioma," said Dr. Roger M. Perlmutter, president, Merck Research Laboratories. "We look forward to sharing our recent findings with the scientific community as we seek to help patients facing these difficult diseases."

The KEYTRUDA (pembrolizumab) clinical development program includes more than 30 tumor types in more than 360 clinical trials, including over 200 trials that combine KEYTRUDA with other cancer treatments. Merck has an extensive research program in NSCLC and is currently advancing multiple registration-enabling studies with KEYTRUDA as monotherapy and in combination.

A select list of KEYTRUDA data to be featured in oral presentations includes:

(Abstract #PL04a.01) Health-Related Quality of Life for Pembrolizumab vs Chemotherapy in Advanced NSCLC with PD-L1 TPS ≥50%: Data from KEYNOTE-024. J. Brahmer. Wednesday, Dec. 7, 8:45 a.m. CET (session: 8:45-9:40 a.m. CET). Location: Hall D (Plenary Hall). WCLC Press Program, Wednesday, Dec. 7, 10:30-11:45 a.m. CET. Location: Schubert 1.
(Abstract #OA13.03) Long-Term Overall Survival for Patients with Malignant Pleural Mesothelioma on Pembrolizumab Enrolled in KEYNOTE-028. E. Alley. Tuesday, Dec. 6, 2:40 p.m. CET (session: 2:20-3:50 p.m. CET). Location: Stolz 1.
(Abstract #OA03.07) KEYNOTE-010: Durable Clinical Benefit in Patients with Previously Treated, PD-L1-Expressing NSCLC Who Completed Pembrolizumab. R. Herbst. Monday, Dec. 5, 12:05 p.m. CET (session: 11 a.m.-12:30 p.m. CET). Location: Hall C8.
(Abstract #OA05.01) Pembrolizumab in Patients with Extensive-Stage Small Cell Lung Cancer: Updated Survival Results from KEYNOTE-028. P. Ott. Monday, Dec. 5, 2:20 p.m. CET (session: 2:20-3:50 p.m. CET). Location: Strauss 2.
(Abstract #MA09.02) Pembrolizumab + Carboplatin and Pemetrexed as 1st-Line Therapy for Advanced Non–Small Cell Lung Cancer: KEYNOTE-021 Cohort G. C. Langer. Tuesday, Dec. 6, 2:26 p.m. CET (session: 2:20-3:50 p.m. CET). Location: Strauss 2.
(Abstract #MA09.11) Efficacy and Safety of Necitumumab and Pembrolizumab Combination Therapy in Stage IV Nonsquamous Non-Small Cell Lung Cancer (NSCLC). B. Besse. Tuesday, Dec. 6, 3:32 p.m. CET (session: 2:20-3:50 p.m. CET). Location: Strauss 2.
(Abstract #MA14.10) Relative Impact of Disease Management Costs in the Economics of Pembrolizumab in Previously Treated PD-L1 Positive Advanced NSCLC. T. Burke. Tuesday, Dec. 6, 5:06 p.m. CET (session: 4-5:30 p.m. CET). Location: Strauss 2.
Additional meeting information and full abstracts are available on the WCLC meeting website.

About KEYTRUDA (pembrolizumab)

KEYTRUDA is a humanized monoclonal antibody that works by increasing the ability of the body’s immune system to help detect and fight tumor cells. KEYTRUDA 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.

KEYTRUDA is administered as an intravenous infusion over 30 minutes every three weeks for the approved indications. KEYTRUDA for injection is supplied in a 100 mg single use vial.

KEYTRUDA (pembrolizumab) Indications and Dosing

Melanoma

KEYTRUDA is indicated for the treatment of patients with unresectable or metastatic melanoma at a dose of 2 mg/kg every three weeks until disease progression or unacceptable toxicity.

Lung Cancer

KEYTRUDA 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 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.

Head and Neck Cancer

KEYTRUDA (pembrolizumab) 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.

Selected Important Safety Information for KEYTRUDA (pembrolizumab)

KEYTRUDA can cause immune-mediated pneumonitis, including fatal cases. Pneumonitis occurred in 94 (3.4%) of 2799 patients receiving KEYTRUDA, including Grade 1 (0.8%), 2 (1.3%), 3 (0.9%), 4 (0.3%), and 5 (0.1%) pneumonitis, 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 KEYTRUDA for Grade 3 or 4 or recurrent Grade 2 pneumonitis.

KEYTRUDA can cause immune-mediated colitis. Colitis occurred in 48 (1.7%) of 2799 patients receiving KEYTRUDA, including Grade 2 (0.4%), 3 (1.1%), and 4 (<0.1%) colitis. 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 KEYTRUDA for Grade 4 colitis.

KEYTRUDA can cause immune-mediated hepatitis. Hepatitis occurred in 19 (0.7%) of 2799 patients receiving KEYTRUDA, including Grade 2 (0.1%), 3 (0.4%), and 4 (<0.1%) hepatitis. 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.

KEYTRUDA can cause hypophysitis. Hypophysitis occurred in 17 (0.6%) of 2799 patients receiving KEYTRUDA, including Grade 2 (0.2%), 3 (0.3%), and 4 (<0.1%) hypophysitis. Monitor patients for signs and symptoms of hypophysitis (including hypopituitarism and adrenal insufficiency). Administer corticosteroids and hormone replacement as clinically indicated. Withhold KEYTRUDA for Grade 2; withhold or discontinue for Grade 3 or 4 hypophysitis.

KEYTRUDA (pembrolizumab) can cause thyroid disorders, including hyperthyroidism, hypothyroidism, and thyroiditis. Hyperthyroidism occurred in 96 (3.4%) of 2799 patients receiving KEYTRUDA, including Grade 2 (0.8%) and 3 (0.1%) hyperthyroidism. Hypothyroidism occurred in 237 (8.5%) of 2799 patients receiving KEYTRUDA, including Grade 2 (6.2%) and 3 (0.1%) hypothyroidism. The incidence of new or worsening hypothyroidism was higher in patients with HNSCC occurring in 28 (15%) of 192 patients with HNSCC, including Grade 3 (0.5%) hypothyroidism. Thyroiditis occurred in 16 (0.6%) of 2799 patients receiving KEYTRUDA, including Grade 2 (0.3%) thyroiditis. Monitor patients for changes in thyroid function (at the start of treatment, periodically during treatment, and as indicated based on clinical evaluation) and for clinical signs and symptoms of thyroid disorders. Administer replacement hormones for hypothyroidism and manage hyperthyroidism with thionamides and beta-blockers as appropriate. Withhold or discontinue KEYTRUDA for Grade 3 or 4 hyperthyroidism.

KEYTRUDA can cause type 1 diabetes mellitus, including diabetic ketoacidosis, which have been reported in 6 (0.2%) of 2799 patients. Monitor patients for hyperglycemia or other signs and symptoms of diabetes. Administer insulin for type 1 diabetes, and withhold KEYTRUDA and administer antihyperglycemics in patients with severe hyperglycemia.

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

KEYTRUDA can cause other clinically important immune-mediated adverse reactions. 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%), exfoliative dermatitis, bullous pemphigoid, rash (1.4%), uveitis, myositis, Guillain-Barré syndrome, myasthenia gravis, vasculitis, pancreatitis, hemolytic anemia, and partial seizures arising in a patient with inflammatory foci in brain parenchyma.

KEYTRUDA (pembrolizumab) can cause severe or life-threatening infusion-related reactions, which have been reported in 6 (0.2%) of 2799 patients. Monitor patients for signs and symptoms of infusion-related reactions, including rigors, chills, wheezing, pruritus, flushing, rash, hypotension, hypoxemia, and fever. For Grade 3 or 4 reactions, stop infusion and permanently discontinue KEYTRUDA.

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.

In KEYNOTE-006, KEYTRUDA was discontinued due to adverse reactions in 9% of 555 patients with advanced melanoma; adverse reactions leading to 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%). Adverse reactions leading to interruption of KEYTRUDA occurred in 21% of patients; the most common (≥1%) was diarrhea (2.5%). The most common adverse reactions with KEYTRUDA vs ipilimumab were fatigue (28% vs 28%), diarrhea (26% with KEYTRUDA), rash (24% vs 23%), and nausea (21% with KEYTRUDA). Corresponding incidence rates are listed for ipilimumab only for those adverse reactions that occurred at the same or lower rate than with KEYTRUDA.

In KEYNOTE-002, KEYTRUDA was discontinued due to adverse reactions in 12% of 357 patients with advanced melanoma; the most common (≥1%) were general physical health deterioration (1%), asthenia (1%), dyspnea (1%), pneumonitis (1%), and generalized edema (1%). Adverse reactions leading to interruption of KEYTRUDA occurred in 14% of patients; the most common (≥1%) were dyspnea (1%), diarrhea (1%), and maculopapular rash (1%). The most common adverse reactions with KEYTRUDA vs chemotherapy were fatigue (43% with KEYTRUDA), pruritus (28% vs 8%), rash (24% vs 8%), constipation (22% vs 20%), nausea (22% with KEYTRUDA), diarrhea (20% vs 20%), and decreased appetite (20% with KEYTRUDA). Corresponding incidence rates are listed for chemotherapy only for those adverse reactions that occurred at the same or lower rate than with KEYTRUDA.

KEYTRUDA 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 (pembrolizumab) was pneumonitis (1.8%). Adverse reactions leading to interruption of KEYTRUDA occurred in 23% of patients; the most common (≥1%) were diarrhea (1%), fatigue (1.3%), pneumonia (1%), liver enzyme elevation (1.2%), decreased appetite (1.3%), and pneumonitis (1%). The most common adverse reactions (occurring in at least 20% of patients and at a higher incidence than with docetaxel) were decreased appetite (25% vs 23%), dyspnea (23% vs 20%), and nausea (20% vs 18%).

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 (reported in at least 20% of patients) 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 (10% all Grades; 2.1% Grades 3 or 4) and new or worsening hypothyroidism.

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.

Safety and effectiveness of KEYTRUDA have not been established in pediatric patients.

Our Focus on Cancer

Our goal is to translate breakthrough science into innovative oncology medicines to help people with cancer worldwide. At Merck, helping people fight cancer is our passion and supporting accessibility to our cancer medicines is our commitment. Our focus is on pursuing research in immuno-oncology and we are accelerating every step in the journey – from lab to clinic – to potentially bring new hope to people with cancer.

As part of our focus on cancer, Merck is committed to exploring the potential of immuno-oncology with one of the fastest-growing development programs in the industry. We are currently executing an expansive research program that includes more than 360 clinical trials evaluating our anti-PD-1 therapy across more than 30 tumor types. We also continue to strengthen our immuno-oncology portfolio through strategic acquisitions and are prioritizing the development of several promising immunotherapeutic candidates with the potential to improve the treatment of advanced cancers.

For more information about our oncology clinical trials, visit www.merck.com/clinicaltrials.

EISAI TO PRESENT LATEST DATA ON ERIBULIN AT 39TH ANNUAL SAN ANTONIO BREAST CANCER SYMPOSIUM

On November 30, 2016 Eisai Co., Ltd. (Headquarters: Tokyo, CEO: Haruo Naito, "Eisai") reported that a series of abstracts highlighting the latest clinical data on its in-house developed halichondrin class microtubule dynamics inhibitor eribulin mesylate (product name: Halaven, "eribulin") will be presented at the San Antonio Breast Cancer Symposium (SABCS2016) taking place in San Antonio, the United States, from December 6 to 10 (Press release, Eisai, NOV 30, 2016, View Source [SID1234516843]).

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Three abstract poster presentations (including outcome research data) are to be given at the meeting, with the main presentation featuring the results of an interim analysis of a Phase Ib/II trial (Study 218) of eribulin in combination with the immune checkpoint inhibitor pembrolizumab in patients with metastatic triple-negative breast cancer.

Eisai positions oncology as a key franchise area and is aiming to discover revolutionary new medicines with the potential to cure cancer. The company will continue to create innovation in the development of new drugs based on cutting-edge cancer research, and in doing so seeks to make further contributions to address the diversified needs of, and to increase the benefits provided to, patients and their families as well as to healthcare providers.

Major Eisai abstracts accepted for presentation at SABCS2016 include:
Product Abstract title and scheduled presentation date and time (local time)
Eribulin

Abstract P5-15-02 Phase Ib/II study to evaluate eribulin mesylate in combination with pembrolizumab in patients with metastatic triple-negative breast cancer
Poster Presentation | December 9 (Fri), 17:00-19:00
Eribulin

Abstract No: OT2-02-02 A randomized, open-label, multicenter, Phase Ib/II study of eribulin mesylate in combination with PEGylated recombinant human hyaluronidase (PEGPH20) versus eribulin mesylate alone in patients with human epidermal growth factor receptor 2 (HER2)-negative, high-hyaluronan metastatic breast cancer
Poster Presentation | December 8 (Thu), 17:00-19:00
Eribulin

Abstract No: P5-15-16 Utilization and outcomes of eribulin in triple-negative metastatic breast cancer:
real-world findings
Poster Presentation | December 9 (Fri), 17:00-19:00

Dynavax to Present Clinical Data from Immuno-oncology Product Candidate, SD-101

On November 30, 2016 Dynavax Technologies Corporation (NASDAQ: DVAX) reported that it will present clinical data from a Phase 1/2 clinical trial evaluating its immuno-oncology product, SD-101, in patients with low-grade, B cell lymphoma (Press release, Dynavax Technologies, NOV 30, 2016, View Source [SID1234516841]). The poster presentation will be made at the 58th American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting and Exposition.

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Abstract Name: SD-101, a Novel Class C CpG-Oligodeoxynucleotide Toll-like Receptor 9 Agonist, Given with Low Dose Radiation for Untreated Low Grade B-Cell Lymphoma: Interim Results of a Phase 1/2 Trial
Abstract Number: 2974
Date and Time: Sunday, December 4, 2016 from 6:00 p.m. EST to 8:00 p.m. EST
Session Name: 623. Mantle Cell, Follicular and Other Indolent B-Cell Lymphoma – Clinical Studies: Poster II
Location: San Diego Convention Center, Hall GH
Note: Abstract will also be published online on December 1, 2016, in the supplemental volume of the journal Blood
About SD-101

SD-101 is Dynavax’s proprietary, second-generation, Toll-like Receptor 9 (TLR9) agonist CpG-C class oligodeoxynucleotide. SD-101 activates multiple anti-tumor activities of innate immune cells and activates plasmacytoid dendritic cells to stimulate T cells specific for antigens released from dying tumor cells. TLR9 agonists such as SD-101 enhance T and B cell responses and provide potent Type 1 interferon induction and maturation of plasmacytoid dendritic cells to antigen-presenting cells. SD-101 is being evaluated in several Phase 1/2 oncology studies to assess its safety and activity.

For information about SD-101 trials that are currently recruiting patients, please visit www.clinicaltrials.gov.

Pre-clinical profile of Porcupine inhibitor RXC004 presented at EORTC-NCI-AACR 2016

On November 30, 2016Redx Pharma is pleased to announce that it will present the pre-clinical profile of its Porcupine inhibitor RXC004 at the 28th European Organisation for Research and Treatment of Cancer (EORTC), National Cancer Institute (NCI) and American Association for Cancer Research (AACR) (Free AACR Whitepaper) Symposium in Munich, Germany, on 30 November 2016 (Press release, Redx Pharma, NOV 30, 2016, View Source [SID1234524744]).

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Redx’s Porcupine inhibitor RXC004 exhibits potent and selective inhibition of the Wnt pathway in in vitro and in vivo models of Wnt dependant pancreatic cancer. Preliminary results indicate that RXC004 may also enhance the efficacy of checkpoint inhibitors, such as anti-PD-1 antibodies, by reducing the proportion of regulatory T cells in the tumour microenvironment and enhancing the ratio of cytotoxic T cells to regulatory T cells in tumour infiltrates.

Pre-clinical studies are ongoing to determine the effect of RXC004 on the immune response to cancer. The Company is progressing studies to prepare the RXC004 program for first-in-human clinical trials. The aim is to commence these, initially monotherapy, trials early 2017.

Dr Neil Murray, CEO of Redx, said: We’re delighted to present the compelling pre-clinical profile of our Porcupine inhibitor RXC004 at the EORTC-NCI-AACR (Free EORTC-NCI-AACR Whitepaper) Symposium.

RXC004 has the potential to become a potent therapy for a subset of biliary, gastric and pancreatic cancer patients. It has also been shown to enhance the efficacy of checkpoint inhibitors, such as anti-PD-1 antibodies. We aim to initiate first-in-human clinical studies for RXC004 early 2017.

Details of the presentation:
Date: 30 November 2016
Time: 10:15-17:00
Poster Session: Immunotherapy
Poster Board Number: P131
Poster Title: Novel Porcupine inhibitor RXC004: Potent efficacy in animal models of cancer through direct tumour targeting and immunomodulatory mechanisms
Download the presentation poster: Novel Porcupine inhibitor RXC004

bluebird bio Announces Interim Phase 1 Dose Escalation Data for its Anti-BCMA CAR T Product Candidate in Patients with Relapsed/Refractory Multiple Myeloma

On November 30, 2016 bluebird bio, Inc. (Nasdaq: BLUE), a clinical-stage company committed to developing potentially transformative gene therapies for severe genetic diseases and T cell-based immunotherapies for cancer, reported that interim data from its ongoing Phase 1 clinical study of bb2121, the company’s investigational anti-BCMA CAR T cell product candidate in patients with relapsed/refractory multiple myeloma, will be presented on Thursday, December 1, 2016 at the 28th EORTC-NCI-AACR (Free EORTC-NCI-AACR Whitepaper) Molecular Targets and Cancer Therapeutics Symposium in Munich, Germany (Press release, bluebird bio, NOV 30, 2016, View Source;p=RssLanding&cat=news&id=2226688 [SID1234516854]). bluebird bio is developing bb2121 in collaboration with Celgene Corporation.

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"We are pleased that these early data from our ongoing Phase 1 study of bb2121 demonstrate objective anti-tumor responses in heavily pre-treated patients with multiple myeloma, with all patients in the 15.0 x 107 and 45.0 x 107 CAR+ T cell dose cohorts achieving responses, including among them, patients with stringent complete responses and elimination of minimal residual disease," said David Davidson, M.D., chief medical officer, bluebird bio. "We are also encouraged by the safety profile to date, particularly the lack of severe cytokine release syndrome or neurotoxicity. In light of these positive data, and thanks to the multiple participating clinical sites and centralized manufacturing infrastructure we and our partner Celgene have built for this program, we anticipate efficiently completing the dose escalation stage of the trial and initiating the expansion cohort."

Clinical remissions and limited toxicity in a first-in-human multicenter study of bb2121, a novel anti-BCMA CAR T cell therapy for relapsed/refractory multiple myeloma (Abstract #14, LBA)

Presenter: Yi Lin, M.D., Ph.D., Assistant Professor of Medicine and Oncology, Mayo Clinic Division of Hematology, Rochester, MN
Date: Thursday, December 1, 2016, 18:00 CET (12:00 pm ET)
Session: Plenary Session 7

The open-label Phase 1 CRB-401 study (NCT02658929) is investigating the administration of bb2121 anti-BCMA CAR T cells in patients with relapsed and/or refractory multiple myeloma. The primary endpoint of the study is incidence of adverse events (AEs) and abnormal laboratory test results, including dose-limiting toxicities (DLTs). The study also seeks to assess disease-specific response criteria including: complete response (CR), very good partial response (VGPR), and partial response (PR) according to the International Myeloma Working Group (IMWG) Uniform Response Criteria for Multiple Myeloma. The study also seeks to determine the recommended dose for further clinical trials. Patients on study were heavily pre-treated, with a median of six prior therapies (range: 5 – 13). As of the November 18th, 2016 data cut-off, 11 patients had been enrolled and dosed in four dose cohorts: 5.0 x 107, 15.0 x 107, 45.0 x 107 and 80 x 107 CAR+ T cells. All 11 dosed patients were evaluable for safety, and the first nine patients (5.0 x 107, 15.0 x 107, 45.0 x 107 dose cohorts) have undergone their first multiple myeloma tumor restaging and were evaluable for efficacy. This study is currently enrolling patients at seven sites in the U.S., with an anticipated total enrollment of 50 patients.

Patients received a conditioning regimen of cyclophosphamide and fludarabine, followed by an infusion of bb2121 anti-BCMA CAR T cells. The CAR T cells were produced from each patient’s own blood cells, which were modified using a lentiviral vector encoding the anti-BCMA CAR.

Results, as of November 18th, 2016 Data Cut-off:

Cohort 1 2 3
CAR+ T Cell dose 5.0 x 107 15.0 x 107 45.0 x 107
Overall Response
Rate in cohort

33% 100% 100%
Best Response PD
SD

PR


sCR (time to response: 2 months)
sCR* (time to response: 4 months)
VGPR*

*Both patients with
a minimal residual
disease (MRD)
assessment at
Month 1 were MRD
negative

PR
PR

PR


All patients in cohorts 2 and 3 with bone
marrow involvement at baseline had no
detectable multiple myeloma cells in their
bone marrow on Day 14 or beyond

Median Prior
Lines of Therapy


6 (range: 5-13); all patients had a prior autologous stem cell
transplant, as well as prior exposure to a proteasome inhibitor and
an immunomodulatory agent; 64 percent of patients had
previously received daratumumab or CD38 antibody

Safety
No dose-limiting toxicities and no Grade 3 or higher
neurotoxicities or Grade 3 or higher cytokine release syndrome
(CRS) have been observed. No patients received tocilizumab or
steroids.