U.S. FDA Grants BRUKINSA® (Zanubrutinib) Approval in Waldenström’s Macroglobulinemia

On September 1, 2021 BeiGene, Ltd. (NASDAQ: BGNE; HKEX: 06160), a global biotechnology company focused on developing and commercializing innovative medicines worldwide, reported that BRUKINSA (zanubrutinib) has received approval from the U.S. Food and Drug Administration (FDA) for the treatment of adult patients with Waldenström’s macroglobulinemia (WM) (Press release, BeiGene, SEP 1, 2021, View Source [SID1234587123]).

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"The ASPEN trial provided compelling evidence that BRUKINSA is a highly active BTK inhibitor in Waldenström’s macroglobulinemia, and compared to the first-generation BTK inhibitor, showed improved tolerability across a number of clinically important side effects. The approval of BRUKINSA provides an important new option for targeted therapy in Waldenström’s macroglobulinemia"

"We are delighted by today’s FDA approval for BRUKINSA in its second indication, offering a new treatment option with demonstrated efficacy and safety benefits for patients with Waldenström’s macroglobulinemia. As shown in the ASPEN trial, BRUKINSA can improve treatment outcomes for these patients and potentially make a positive impact on their lives," commented Jane Huang, M.D., Chief Medical Officer, Hematology at BeiGene.

Dr. Huang continued, "With 11 regulatory approvals in under two years, including two in the U.S., BRUKINSA is demonstrating its growing utility as a treatment option for B-cell malignancies and expanding its footprint to potentially benefit more patients worldwide. We will continue to evaluate BRUKINSA in its broad global clinical program and look forward to additional clinical evidence to establish its position as a potentially best-in-class medicine."

"The ASPEN trial provided compelling evidence that BRUKINSA is a highly active BTK inhibitor in Waldenström’s macroglobulinemia, and compared to the first-generation BTK inhibitor, showed improved tolerability across a number of clinically important side effects. The approval of BRUKINSA provides an important new option for targeted therapy in Waldenström’s macroglobulinemia," said Steven Treon, M.D., Ph.D., Director of the Bing Center for Waldenström’s Macroglobulinemia Research at the Dana-Farber Cancer Institute and Professor of Medicine at Harvard Medical School.

"The approval of BRUKINSA in Waldenström’s macroglobulinemia, which is the second therapy approved specifically for the treatment of this rare type of lymphoma, is positive news for patients. Expanded treatment options offer new hope for those living with this disease and can potentially improve patient experience, especially oral therapies that can be given as a single agent," said Pete DeNardis, Chair of the Board at the International Waldenström’s Macroglobulinemia Foundation (IWMF).

The FDA’s approval of BRUKINSA in WM is primarily based on efficacy results from the multicenter, open-label Phase 3 ASPEN trial (NCT03053440) comparing BRUKINSA to ibrutinib in patients with WM. A total of 201 patients with a MYD88 mutation (MYD88MUT) were enrolled in the randomized Cohort 1.

The primary efficacy endpoint of the ASPEN trial was very good partial response (VGPR) rate in the overall intention-to-treat (ITT) population as assessed by independent review committee (IRC). Based on the modified Sixth International Workshop on Waldenström’s Macroglobulinemia (IWWM-6) response criteria (Treon 2015), the VGPR rate was 28% with BRUKINSA, compared to 19% with ibrutinib; based on the IWWM-6 response criteria (Owen et al 2013), the VGPR rate was 16% with BRUKINSA, compared to 7% with ibrutinib.

In the FDA-approved label, the major efficacy outcome is defined as response rate of partial response (PR) or better as assessed by IRC. Based on either IWWM-6 response criteria, the response rate was 78% with BRUKINSA (95% CI: 68, 85), compared to 78% with ibrutinib (95% CI: 68, 86), and the event-free duration of response (DoR) at 12 months was 94% with BRUKINSA (95% CI: 86, 98), compared to 88% with ibrutinib (95% CI: 77, 94).

The most common (≥20%) adverse reactions based on the pooled safety population of 779 patients were decreased neutrophil count, upper respiratory tract infection, decreased platelet count, rash, hemorrhage, musculoskeletal pain, decreased hemoglobin, bruising, diarrhea, pneumonia, and cough.

The recommended dose of BRUKINSA is either 160 mg twice daily or 320 mg once daily, taken orally with or without food. The dose may be adjusted for adverse reactions and reduced for patients with severe hepatic impairment and certain drug interactions.

About BRUKINSA

BRUKINSA is a small molecule inhibitor of Bruton’s tyrosine kinase (BTK) discovered by BeiGene scientists that is currently being evaluated globally in a broad clinical program as a monotherapy and in combination with other therapies to treat various B-cell malignancies. Because new BTK is continuously synthesized, BRUKINSA was specifically designed to deliver complete and sustained inhibition of the BTK protein by optimizing bioavailability, half-life, and selectivity. With differentiated pharmacokinetics compared to other approved BTK inhibitors, BRUKINSA has been demonstrated to inhibit the proliferation of malignant B cells within a number of disease relevant tissues.

BRUKINSA is approved in the following indications and regions:

For the treatment of mantle cell lymphoma (MCL) in adult patients who have received at least one prior therapy (United States, November 2019)*;
For the treatment of MCL in adult patients who have received at least one prior therapy (China, June 2020)**;
For the treatment of chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL) in adult patients who have received at least one prior therapy (China, June 2020)**;
For the treatment of relapsed or refractory MCL (United Arab Emirates, February 2021);
For the treatment of Waldenström’s macroglobulinemia (WM) in adult patients (Canada, March 2021);
Registered and reimbursed for the treatment of MCL in patients who have received at least one prior therapy (Israel, April 2021);
For the treatment of adult patients with WM who have received at least one prior therapy (China, June 2021)**;
For the treatment of MCL in adult patients who have received at least one prior therapy (Canada, July 2021);
For the treatment of adult patients with MCL who have received at least one previous therapy (Brazil, August 2021); and
For the treatment of adult patients with WM (United States, August 2021).
To-date, more than 30 marketing authorization applications in multiple indications have been submitted in the United States, China, the European Union, and more than 20 other countries or regions.

* This indication was approved under accelerated approval based on overall response rate. Continued approval for this indication may be contingent upon verification and description of clinical benefit in a confirmatory trial.

** This indication was approved under conditional approval. Complete approval for this indication may be contingent upon results from ongoing randomized, controlled confirmatory clinical trials.

IMPORTANT U.S. SAFETY INFORMATION FOR BRUKINSA (ZANUBRUTINIB)

Warnings and Precautions

Hemorrhage

Fatal and serious hemorrhagic events have occurred in patients with hematological malignancies treated with BRUKINSA monotherapy. Grade 3 or higher hemorrhage including intracranial and gastrointestinal hemorrhage, hematuria and hemothorax have been reported in 3.0% of patients treated with BRUKINSA monotherapy. Hemorrhage events of any grade occurred in 35% of patients treated with BRUKINSA monotherapy.

Bleeding events have occurred in patients with and without concomitant antiplatelet or anticoagulation therapy. Co-administration of BRUKINSA with antiplatelet or anticoagulant medications may further increase the risk of hemorrhage.

Monitor for signs and symptoms of bleeding. Discontinue BRUKINSA if intracranial hemorrhage of any grade occurs. Consider the benefit-risk of withholding BRUKINSA for 3-7 days pre- and post-surgery depending upon the type of surgery and the risk of bleeding.

Infections

Fatal and serious infections (including bacterial, viral, or fungal) and opportunistic infections have occurred in patients with hematological malignancies treated with BRUKINSA monotherapy. Grade 3 or higher infections occurred in 28% of patients treated with BRUKINSA monotherapy. The most common Grade 3 or higher infection was pneumonia. Infections due to hepatitis B virus (HBV) reactivation have occurred.

Consider prophylaxis for herpes simplex virus, pneumocystis jiroveci pneumonia and other infections according to standard of care in patients who are at increased risk for infections. Monitor and evaluate patients for fever or other signs and symptoms of infection and treat appropriately.

Cytopenias

Grade 3 or 4 cytopenias, including neutropenia (28%), thrombocytopenia (11%) and anemia (7%) based on laboratory measurements, were reported in patients treated with BRUKINSA monotherapy. Grade 4 neutropenia occurred in 13% of patients, and Grade 4 thrombocytopenia occurred in 4% of patients.

Monitor complete blood counts regularly during treatment and interrupt treatment, reduce the dose, or discontinue treatment as warranted. Treat using growth factor or transfusions, as needed.

Second Primary Malignancies

Second primary malignancies, including non-skin carcinoma, have occurred in 13% of patients treated with BRUKINSA monotherapy. The most frequent second primary malignancy was non-melanoma skin cancer, reported in 7% of patients. Other second primary malignancies included malignant solid tumors (4%), melanoma (1.4%), and hematologic malignancies (1.2%). Advise patients to use sun protection and monitor patients for the development of second primary malignancies.

Cardiac Arrhythmias

Atrial fibrillation and atrial flutter have occurred in 2.8% of patients treated with BRUKINSA monotherapy. Patients with cardiac risk factors, hypertension, and acute infections may be at increased risk. Grade 3 or higher events were reported in 0.8% of patients treated with BRUKINSA monotherapy. Monitor signs and symptoms for atrial fibrillation and atrial flutter and manage as appropriate.

Embryo-Fetal Toxicity

Based on findings in animals, BRUKINSA can cause fetal harm when administered to a pregnant woman. Administration of zanubrutinib to pregnant rats during the period of organogenesis caused embryo-fetal toxicity including malformations at exposures that were 5 times higher than those reported in patients at the recommended dose of 160 mg twice daily. Advise women to avoid becoming pregnant while taking BRUKINSA and for 1 week after the last dose. Advise men to avoid fathering a child during treatment and for 1 week after the last dose.

If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to a fetus.

Adverse reactions

The most common adverse reactions including laboratory abnormalities in ≥20% of patients who received BRUKINSA (N = 779) were decreased neutrophil count (56%), upper respiratory tract infection (49%), decreased platelet count (44%), rash (35%), hemorrhage (35%), musculoskeletal pain (30%), decreased hemoglobin (28%), bruising (25%), diarrhea (23%), pneumonia (22%), and cough (21%).

Drug Interactions

CYP3A Inhibitors: When BRUKINSA is co-administered with a strong CYP3A inhibitor, reduce BRUKINSA dose to 80 mg once daily. For coadministration with a moderate CYP3A inhibitor, reduce BRUKINSA dose to 80 mg twice daily.

CYP3A Inducers: Avoid coadministration with moderate or strong CYP3A inducers.

Specific Populations

Hepatic Impairment: The recommended dose of BRUKINSA for patients with severe hepatic impairment is 80 mg orally twice daily.

Transgene Participates in New Cancer Research Consortium

On September 1, 2021 Transgene (Euronext Paris: TNG), a biotech company that designs and develops virus-based immunotherapeutics against cancer, reported its participation in the launch of PERSIST-SEQ, a new international consortium of academic and industrial leaders in the field of cancer research (Press release, Transgene, SEP 1, 2021, View Source [SID1234587142]).

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This collaborative research program aims to provide the cancer research community with a new gold standard workflow for single-cell sequencing by developing and validating best practices as well as generating and analysing high-quality data. The project aims to empower the scientific community to unravel drug resistance and develop smarter therapeutic strategies to better treat cancer and prevent resistance. PERSIST-SEQ is a five-year public-private partnership, funded by the Innovative Medicines Initiative (IMI), and led by the Oncode Institute and AstraZeneca.

Cancer takes 9.6 million lives each year, 90% of which result from untreatable cancer relapse occurring after initially effective treatment. Therapeutic resistance is one of the primary causes of cancer death and is clinically difficult to predict, prevent or treat. Although resistance has been studied extensively in the last decades, there is no comprehensive understanding of its underlying mechanisms, nor how they differ between cancer types or therapies. A better understanding of these mechanisms can contribute to better patient stratification, the development of effective drug strategies targeting the resistance mechanisms as well as improved cancer treatment strategies. Moreover, resistance is a major industrial challenge since it causes failure in the drug discovery and development process. Therapeutic resistance is largely unpredictable and difficult to model. Therefore, better tools are needed to identify or predict resistance mechanisms. These tools would, in turn, decrease the costs and risks associated with cancer drug development significantly.

"Drug resistance in cancer is one of the greatest causes of mortality and despite increasing success with targeted therapies in the clinic, how cancer cells survive drug treatment is still not well understood. We are excited to co-lead this European industry-academic partnership, using state-of-the-art single-cell sequencing to characterise 5 million single cells over 5 years to understand and overcome drug resistance" said Ultan McDermott (AstraZeneca), industrial co-lead of PERSIST-SEQ.

Current experimental approaches fail to study residual disease, the major cause of cancer relapse, and therapeutic resistance in clinically meaningful ways. In the last years novel methods in single-cell sequencing have seen significant advancements. Such techniques combined with advanced cancer modelling approaches can shed light on the intricate processes underlying therapeutic resistance and residual disease. Understanding the mechanisms of cancer resistance is crucial to enable its mitigation and requires a coordinated effort. To address these challenges, PERSIST-SEQ has formed a coalition of field-leading researchers and medical oncologists on cancer resistance who will leverage their ingenious cancer modelling approaches and cutting-edge techniques to perform the sequencing of single tumour cells. PERSIST-SEQ will refine and standardize a broadly applicable workflow for single-cell sequencing in order to improve the understanding of therapeutic resistance in cancer and develop targeted prevention and mitigation techniques.

"I am very excited to be part of this consortium. Not only because of the importance of understanding tumour drug resistance, but also because we will perform this project in close collaboration with industrial partners. I am sure we will learn a lot from each other" commented Prof. Alexander van Oudenaarden (Hubrecht Institute), Principal Investigator of PERSIST-SEQ.

Jean-Marc Balloul, Director Innovation & Partnership at Transgene, added: "We are proud to participate in the PERSIST-SEQ consortium and contribute to the deciphering of immunotherapeutic resistance in cancer cells. Certain tumor cells display pathways that allow them to resist therapeutic approaches based on oncolysis, such as oncolytic viruses. Single-cell sequencing will allow us to better understand these resistance mechanisms and ultimately design immunotherapies that can overcome this hurdle."

About the PERSIST-SEQ consortium
The ultimate goal of the PERSIST-SEQ consortium is to improve the understanding of therapeutic resistance in cancer and create effective strategies to improve cancer treatment and prevent drug resistance. As a result of this effort, the project anticipates a significant step forward for the cancer community and its understanding of tumour plasticity. This can change the way scientists and clinicians view cancer and its related drug developments. In order to achieve this goal, PERSIST-SEQ will develop a standardized approach to single-cell sequencing workflows for the investigation of cells pre-treatment. Uniquely, all experiments and pre-processing of data will be done at Single Cell Discoveries. This will ensure standardization and continuity of both experimental and bioinformatics workflows throughout the project. Importantly, PERSIST-SEQ will employ an open access model to build and sustain its benchmarking procedures and centralized European data infrastructure. This model reduces duplication of effort, thereby promoting collaboration across disciplines and ensuring efficient adoption of state-of-the-art single cell technologies. By presenting an approach which is replicable, the PERSIST-SEQ consortium will facilitate a further investigation of unaddressed tumours and therapies. Therefore, the real impact of the project will stem from the growth of innovation capacity associated with the use of this approach across academic and industrial centres around the world.
PERSIST-SEQ is a public-private partnership funded by the IMI, with representation from academic institutions, small- and medium-sized enterprises, public organizations and pharmaceutical companies. The partners involved in the project are Oncode Institute, Hubrecht Institute, Netherlands Cancer Institute, Single Cell Discoveries, Lygature, Wellcome Sanger Institute, Fondazione del Piemonte per l’Oncologia, Hubrecht Organoid Technology, Institute for Research in Biomedicine (IRB Barcelona), Vall d’Hebron Institute of Oncology, Xenopat, AstraZeneca, Merck KGaA, Darmstadt, Germany, Bayer, Transgene, Charles River.

Acknowledgement of support
PERSIST-SEQ receives funding from the Innovative Medicines Initiative 2 Joint Undertaking under grant agreement No. 101007937. This Joint Undertaking receives support from the European Union’s Horizon 2020 research and innovation programme and EFPIA. See www.imi.europa.eu for more details.

ImmunityBio Announces Oral Presentation of Phase 2/3 Clinical Trial Results of Patients with BCG-Unresponsive Bladder Cancer Carcinoma at the Upcoming American Urological Association’s Annual Meeting

On September 1, 2021 ImmunityBio, Inc. (NASDAQ: IBRX), a clinical-stage immunotherapy company, reported Karim Chamie, M.D., Associate Professor of Urology, UCLA Department of Urology, will be presenting the Phase 2/3 clinical results of IL-15 Superagonist N-803 with BCG in BCG-unresponsive bladder cancer at the American Urological Association’s Annual Meeting on Sept. 10th (Press release, ImmunityBio, SEP 1, 2021, View Source [SID1234587087]).

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Updated data will be presented as a follow-up to Dr. Chamie’s oral presentation at ASCO (Free ASCO Whitepaper) GU in February 2021 in which 72 subjects in Cohort A of the QUILT 3.032 trial were evaluated. Eighty-one subjects are now fully enrolled in Cohort A and evaluable with median follow-up of over 20 months.

The full oral presentation, titled "PD09-05: Phase 2/3 clinical results of IL-15RαFc superagonist N-803 with BCG-unresponsive non-muscle invasive bladder cancer (NMIBC) carcinoma in-situ (CIS) patients," will be available in the Events section of ImmunityBio’s Investor Relations website on Friday, Sept. 10 at 10:10 a.m. PDT.

QUILT 3.032 is an open-label, three cohort multicenter Phase 2/3 study of intravesical BCG plus Anktiva (N-803) in patients with BCG-unresponsive high-grade NMIBC (NCT03022825) and was opened in 2017. The primary endpoint for Cohort A of this Phase 2/3 study is incidence of complete response (CR) of CIS at any time. The FDA had granted Fast Track Designation to the pivotal trial based on Phase I data. In December 2019, the FDA granted ImmunityBio Breakthrough Therapy Designation based on interim Phase 2 data indicating the primary endpoint of the trial was already met.

Invitae to Present at the Morgan Stanley 19th Annual Global Healthcare Conference

On September 1, 2021 Invitae Corporation (NYSE: NVTA), a leading medical genetics company, reported that members of its management team will participate in a virtual fireside chat at the Morgan Stanley 19th Annual Global Healthcare Conference on Tuesday, September 14, 2021, at 12:30pm Eastern Time (Press release, Invitae, SEP 1, 2021, View Source [SID1234587105]).

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Invitae’s (NVTA) mission is to bring comprehensive genetic information into mainstream medical practice to improve the quality of healthcare for billions of people. www.invitae.com (PRNewsFoto/Invitae Corporation)

The live webcast of the virtual fireside chat may be accessed by visiting the investors section of the company website at ir.invitae.com. A replay of the webcast will be available shortly after the conclusion of the virtual fireside chat.

Precision BioSciences and Tiziana Life Sciences Announce Exclusive License Agreement to Evaluate Foralumab, a Novel, Fully Human Anti-CD3 Monoclonal Antibody, in Conjunction with Allogeneic CAR T Candidates for Cancer Treatment

On September 1, 2021 Precision BioSciences, Inc. (Nasdaq: DTIL), a clinical stage biotechnology company developing allogeneic CAR T and in vivo gene correction therapies with its ARCUS genome editing platform, and Tiziana Life Sciences plc (Nasdaq: TLSA / LSE: TILS), a clinical stage biotechnology company focused on innovative therapeutics for oncology, inflammation, and infectious diseases, reported an exclusive license agreement to explore Tiziana’s foralumab, a fully human anti-CD3 monoclonal antibody (mAb), as an agent to induce tolerance of allogeneic CAR T cells to potentially improve the clinical outcome of CAR T cell therapy (Press release, Precision Biologics, SEP 1, 2021, View Source [SID1234587124]).

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The Cluster of Differentiation (CD) 3 is a receptor on effector T cells and an anti-CD3 antibody, such as foralumab, has the potential to eliminate or tolerize patient effector T cells. Precision’s manufacturing process, which uses ARCUS to knock out the TRAC gene and implements a CD3-depletion step, produces allogeneic CAR T candidates that are >99.9% CD3-negative. Thus, an anti-CD3 antibody, such as foralumab, might be used to enable the CAR T cells to expand, proliferate, and persist to maximize long term clinical benefits.

Under the terms of the agreement, Precision gains an exclusive license to use foralumab as a lymphodepletion agent in conjunction with its allogeneic CAR T therapeutics for the treatment of cancers. Precision will be responsible for the development, commercialization, and costs for use of foralumab, and Tiziana will receive upfront payment, certain milestone payments, and royalties for foralumab.

"We are building out an allogeneic CAR T platform with editing strategies and novel conditioning regimens, such as a lymphodepleting agent like foralumab, for a broad range of hematologic malignancies and solid tumors," said Alan List, M.D., Chief Medical Officer at Precision BioSciences. "By combining Precision’s know-how in constructing novel CAR T products with novel conditioning regimens, we will explore this approach to potentially improve durability of clinical responses to our therapeutic platform."

"We’re pleased to offer Precision the exclusive opportunity to explore foralumab, our fully human anti-CD3 monoclonal antibody, for use as a potential lymphodepletion strategy with their allogeneic CAR T programs," said Kunwar Shailubhai, Chief Executive Officer and Chief Scientific Officer of Tiziana Life Sciences. "While CAR T therapies have been clinically successful, relapse rates remain high, which continues to limit broad utility. We are impressed with Precision’s novel approaches to CAR T development, offering the potential for a meaningful off-the-shelf solution. Further, given Precision’s approach to manufacturing that produces CAR T cells virtually CD3-negative, we believe use of foralumab as a lymphodepletion or tolerizing agent has the potential, either alone or in combination with other co-stimulatory molecules, to improve the long-term success of CAR T in cancer treatment."

About Precision’s Allogeneic CAR T Platform

Precision is advancing a pipeline of cell-phenotype optimized allogeneic CAR T therapies, leveraging fully scaled, proprietary manufacturing processes. The Company’s allogeneic CAR T platform is designed to maximize the number of patients who can potentially benefit from CAR T therapy. Precision carefully selects high-quality T cells derived from healthy donors as starting material, then uses its ARCUS genome editing technology to modify the cells via a single-step engineering process. By inserting the CAR gene at the T cell receptor (TCR) locus, this process knocks in the CAR while knocking out the TCR, which is designed to create a consistent product that can be reliably and rapidly manufactured and is designed to prevent graft-versus-host disease. Precision optimizes its CAR T therapy candidates for immune cell expansion in the body by maintaining a high proportion of naïve and central memory CAR T cells throughout the manufacturing process and in the final product.

About Foralumab

Foralumab (TZLS-401, formerly NI-0401), the only entirely human anti-CD3 mAb, shows reduced release of cytokines as compared to other anti-CD3 mAbs after IV administration in patients with Crohn’s disease with decreases in the classic side effects of cytokine release syndrome and improves the overall safety profile of Foralumab. In a humanized mouse model (NOD/SCID IL2γc-/-), it was shown that while targeting the T cell receptor, orally administered Foralumab modulates immune responses of the T cells, enhances regulatory T-cells (Tregs) and thus provides therapeutic benefit in treating inflammatory and autoimmune diseases without the occurrence of potential adverse events usually associated with parenteral mAb therapy (Ogura M. et al., 2017 Clin Immunol 183, 240-246). Based on animal studies, the nasal and oral administration of Foralumab offers the potential for the immunotherapy of autoimmune and inflammatory diseases in a safe manner by the induction of Tregs.