Junshi Biosciences and Coherus Announce FDA Acceptance of Resubmission of BLA for Toripalimab for the Treatment of Nasopharyngeal Carcinoma

On July 6, 2022 Shanghai Junshi Biosciences Co., Ltd. ("Junshi Biosciences", HKEX: 1877; SSE: 688180) and Coherus BioSciences, Inc. ("Coherus") reported that the United States Food and Drug Administration ("FDA") has accepted for review the Biologics License Application ("BLA") resubmission for toripalimab in combination with gemcitabine and cisplatin as first-line treatment for patients with advanced recurrent or metastatic nasopharyngeal carcinoma ("NPC") and for toripalimab monotherapy for the second-line or later treatment of recurrent or metastatic NPC after platinum-containing chemotherapy (Press release, Shanghai Junshi Bioscience, JUL 6, 2022, View Source [SID1234616501]).

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The FDA has set a Prescription Drug User Fee Act ("PDUFA") action date for December 23, 2022. The Agency earlier communicated that the review timeline for the BLA resubmission would be six months, as onsite inspections in China would be required. Travel restrictions related to the COVID-19 pandemic previously hindered the FDA’s ability to complete required inspections. Coherus plans to launch toripalimab in the United States in the first quarter of 2023, if approved.

"Although the COVID-19 pandemic has created tremendous challenges for everyone, our dedication to bring better treatment options to patients around the world remains steadfast," said Dr. Patricia Keegan, Chief Medical Officer of Junshi Biosciences. "Through our concerted efforts with our partner, Coherus, we have made continual progress towards obtaining toripalimab’s first marketing authorization outside of China. Over the next several months, we will work closely with the FDA to facilitate the review of this novel drug."

"Toripalimab would address a critical unmet medical need for patients with nasopharyngeal carcinoma, an aggressive cancer for which there are currently no FDA-approved immunotherapy treatments. We collaborated closely with our partner, Junshi Biosciences, to complete the quality process changes requested by the FDA and facilitate the rapid resubmission of the toripalimab BLA," said Dr. Theresa LaVallee, Chief Development Officer of Coherus.

"For Coherus, the toripalimab resubmission is one of several key development and commercialization milestones we are sharply focusing on over the next twelve months, and we are pleased with the Company’s execution and progress on all of them," said Denny Lanfear, CEO of Coherus. "We now look forward to the August 2, 2022 target action date for our BLA for CIMERLI, our Lucentis biosimilar, followed by product launch which we are confident will be very successful. The toripalimab December 2022 PDUFA date follows directly, and the projected toripalimab launch in Q1 2023 will formally mark our entry into immuno-oncology, where Coherus will be one of just a handful of companies with a proprietary PD-1 as a foundation stone to build its oncology franchise upon. Lastly, twelve months from now, in July 2023, we expect to begin marketing our Humira biosimilar, YUSIMRY, which was approved by the FDA in December 2021. Preparations for that commercial launch are going very well. Biosimilar market execution is a demonstrated Coherus competency, and we believe that our commercialization strategy provides a robust framework against which we can successfully execute to meet our market expectations and share projections."

Following approval of toripalimab for NPC, Coherus’ strategy in the US includes evaluating toripalimab’s ability to deliver substantial clinical benefit in significant indications, in combination with other cancer drugs and immunotherapies, through co-development agreements.

About Toripalimab in NPC
NPC is a type of aggressive cancer that starts in the nasopharynx, the upper part of the throat behind the nose and near the base of skull. Due to the location of the primary tumor, surgery is rarely an option, and patients with localized disease are treated primarily with radiation and chemotherapy. In the United States, there are presently no immunotherapies approved for the treatment of NPC.

The toripalimab BLA is supported by the results from JUPITER-02, a randomized, double blind, placebo-controlled, international multi-center Phase 3 clinical trial, as well as POLARIS-02, a multi-center, open-label, pivotal Phase 2 clinical study. The JUPITER-02 results were first presented in June 2021 in a plenary session of the American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) ("ASCO") annual meeting (#LBA2) and subsequently published in detail as the cover article of the September 2021 issue of Nature Medicine. The POLARIS-02 results were published online in January 2021 in the Journal of Clinical Oncology.

The FDA has granted Breakthrough Therapy designation ("BTD") for toripalimab in combination with chemotherapy (gemcitabine and cisplatin) for the 1st line treatment of recurrent, locally advanced or primary metastatic non-keratinizing NPC and for toripalimab monotherapy for patients with recurrent or metastatic non-keratinizing NPC with disease progression on or after platinum-containing chemotherapy. Additionally, the FDA has granted Orphan Drug designation for toripalimab for NPC.

In China, the National Medical Products Administration ("NMPA") in 2021 approved toripalimab for two NPC indications.

About Toripalimab
Toripalimab is an anti-PD-1 monoclonal antibody developed for its ability to block PD-1 interactions with its ligands, PD-L1 and PD-L2, and for enhanced receptor internalization (endocytosis function). Blocking PD-1 interactions with PD-L1 and PD-L2 promotes the immune system’s ability to attack and kill tumor cells. In China, toripalimab was the first domestic anti-PD-1 monoclonal antibody approved for marketing (approved in China as TUOYI). Currently, there are five approved indications for toripalimab in China.

Bio-Techne Announces Launch of the CE-IVD RNAscope™ ISH Probe High Risk HPV Assay for Head and Neck Cancer

On July 6, 2022 Bio-Techne (NASDAQ: TECH), a global life sciences company providing innovative tools and bioactive reagents for the research and clinical diagnostic communities reported the European launch of the CE-IVD marked RNAscope ISH Probe High Risk HPV, intended for use in patients diagnosed with oropharyngeal squamous cell carcinoma (OPSCC) to aid in the identification of high-risk human papillomavirus (HPV) (Press release, Bio-Techne, JUL 6, 2022, View Source [SID1234616500]).

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HPV is a major cause of OPSCC, and HPV has emerged as a valuable diagnostic marker that significantly impacts clinical management.1,2 Immunohistochemistry (IHC) for p16 protein, a surrogate marker, is widely used for HPV detection in OPSCC; however, misdiagnosis rates of 5‑20% have been reported when using p16.3 The presence of E6/E7 mRNA is considered the gold standard for diagnosing HPV-related OPSCC.4 RNAscope offers a superior method for detection of E6/E7 mRNA when assessing HPV status in OPSCC patients, enabling clinicians to provide a more accurate diagnosis and improve patient management.5

"Bio-Techne’s innovative tissue diagnostic solutions empower our customers to serve patients and improve lives," said Kim Kelderman, President, Diagnostics and Genomics Segment of Bio-Techne. "We are excited to launch the new CE-IVD RNAscope ISH Probe High Risk HPV, which provides pathologists a highly accurate tool for the direct detection of HPV mRNA to inform treatment selection in oropharyngeal squamous cell carcinoma patients."

RNAscope in situ hybridization (ISH) is a highly sensitive and specific spatial biology technology. Its double Z probe design enables an exceptional signal-to-noise ratio when staining formalin-fixed paraffin-embedded (FFPE) tissue specimens. RNAscope ISH allows users to visualize and localize biomarker expression patterns by light microscopy. Over the past 10 years, RNAscope ISH has proven its reliability, reproducibility, and robustness with more than 6000 peer reviewed publications, making it a powerful solution for anatomic pathologists.

RNAscope ISH Probe High Risk HPV is used in an RNAscope ISH assay for the qualitative detection of HPV E6/E7 mRNA in FFPE tissue specimens. RNAscope ISH Probe High Risk HPV is for use in clinical laboratories with the CE-IVD marked BOND RNAscope Brown Detection kit on the automated Leica Biosystems BOND-III stainer. The assay detects high-risk HPV types 16, 18, 26, 31, 33, 35, 39, 45, 51, 52, 53, 56, 58, 59, 66, 68, 73, and 82.

US FDA AWARDS RARE PEDIATRIC DISEASE DESIGNATION (RPDD) TO
PAXALISIB FOR AT/RT, A RARE FORM OF CHILDHOOD BRAIN CANCER

On July 6, 2022 Kazia Therapeutics Limited (NASDAQ: KZIA; ASX: KZA), an oncology-focused drug development company, reported that the United States Food and Drug Administration (FDA) has awarded Rare Pediatric Disease Designation (RPDD) to Kazia’s paxalisib for the treatment of atypical rhabdoid / teratoid tumors (AT/RT), a rare and highly-aggressive childhood brain cancer (Press release, Kazia Therapeutics, JUL 6, 2022, View Source [SID1234616497]).

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Key Points

Rare Pediatric Disease Designation (RPDD) is granted to drugs which are under development for rare childhood diseases.

RPDD means that the sponsor may be entitled to receive a pediatric priority review voucher (pPRV) if the drug is initially approved for that rare childhood disease. A PRV grants the holder an expedited six-month review of a new drug application. PRVs are tradeable and have historically commanded prices in excess of US$ 100 million.

FDA’s award of RPDD follows the presentation of promising preclinical data for paxalisib in AT/RT, which was presented by Professor Jeffrey Rubens and colleagues at the American Association of Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting in New Orleans, LA, in April 2022.

Paxalisib was previously granted orphan drug designation (ODD) for AT/RT by FDA on 16 June 2022.

Kazia CEO, Dr James Garner, commented, "this is the second time that paxalisib has been granted RPDD, and it demonstrates the importance of childhood brain cancer in the overall paxalisib development program. Brain cancer is the most common cause of cancer death in children, and outcomes in many forms of childhood brain cancer have not improved in decades. We very much hope that paxalisib can make a difference to families affected by both DIPG and AT/RT, and we will be working closely with clinicians, researchers, and FDA to determine the optimal way to move the drug forward."

Rare Pediatric Disease Designation

The Food and Drug Administration Safety and Innovation Act (2012) established FDA’s RPDD initiative. RPDD may be granted to drugs in development for diseases which primarily affect children (under the age of 18 years), have an incidence of less than 200,000 new cases per annum in the United States, and which are serious or life-threatening.

A sponsor of a drug with RPDD may request a Rare Pediatric Disease Priority Review Voucher (PRV) at the time of a marketing application to FDA. In effect, the PRV shortens the FDA review period for a future marketing application of any drug from 12 months to 6 months. PRVs can be sold to other companies and have historically been transacted at prices in the tens to hundreds of millions of dollars. For a large company launching a billion-dollar drug, the six-month acceleration in regulatory review can be of substantial economic value. In 2019, five pediatric PRVs were granted by FDA.

Next Steps

A phase II clinical trial of multiple drug therapies, including paxalisib, is ongoing, under the sponsorship of the Pacific Pediatric Neuro-Oncology Consortium (PNOC) (NCT05009992). This study combines several investigational drugs in the treatment of patients with diffuse midline gliomas (DMGs), a category which includes DIPG. Initial data from this study is anticipated in CY2023.

A phase I study of paxalisib in DIPG, led by St Jude Children’s Research Hospital in Memphis, TN (NCT03696355), is nearing completion, and final data is expected to be submitted for publication by the end of CY2022.

Cardinal Health acquires the Bendcare CPO-GPO entity and makes a minority investment in the Bendcare MSO

On July 6, 2022 Cardinal Health (NYSE: CAH) reported that it has acquired the Bendcare group purchasing organization (CPO-GPO) entity and made a minority investment in the Bendcare management services organization (MSO) (Press release, Cardinal Health, JUL 6, 2022, View Source [SID1234616496]). Following the acquisition of the CPO-GPO, current Bendcare-affiliated CPO-GPO members will transition to Cardinal Health’s Cornerstone Rheumatology GPO, and Cardinal Health will be the exclusive distributor for those practices.

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This acquisition demonstrates Cardinal Health’s strategy of prioritizing investment in strategic growth areas and expands distribution opportunities and technology solution offerings for specialty practices. Financial terms of the transaction were not disclosed.

"Bendcare is a leader in delivering real-world technology, specialty practice management and research solutions that empower physicians and patients in the specialty rheumatology market," said Dan Duran, Senior Vice President and General Manager, Provider Solutions, Cardinal Health Specialty Solutions. "We are excited to combine their solutions with our best-in-class distribution to support rheumatology providers so they can ultimately focus on achieving cost-effective patient outcomes and care."

Combining the expertise and capabilities of Cardinal Health and Bendcare together will create an integrated suite of clinical, practice management and distribution solutions to help support the success of rheumatology practices nationwide.

"Rheumatology providers and patients are navigating a number of industry challenges," said Andrew S. Ripps, CEO, Bendcare. "Cardinal Health is an industry leader in distribution and technology solutions. Our synergistic cultures, combined with our service and technology innovation and expertise, will ignite our ability to continue to lead in the rheumatology space as we expand into other specialties and improve patients’ experience, care and value."

Cardinal Health has one of the largest healthcare supply chains in the U.S. with strategically located distribution centers that enable fast and efficient delivery anywhere in the U.S. Through Specialty Solutions, Cardinal Health provides reliable distribution and advanced technology solutions to community-based practices across the nation with specialties in rheumatology, oncology, urology, nephrology, gastroenterology, ophthalmology, neurology, immunology and multi-specialty infusion centers.

FDA Grants Priority Review to Genentech’s Mosunetuzumab for People With Relapsed or Refractory Follicular Lymphoma

On July 6, 2022 Genentech, a member of the Roche Group (SIX: RO, ROG; OTCQX: RHHBY), reported that the U.S. Food and Drug Administration (FDA) has accepted the company’s Biologics License Application (BLA) and granted Priority Review for mosunetuzumab, a potential first-in-class CD20xCD3 T-cell engaging bispecific antibody, for the treatment of adults with relapsed or refractory (R/R) follicular lymphoma (FL) who have received at least two prior systemic therapies (Press release, Genentech, JUL 6, 2022, View Source [SID1234616483]). FL is the most common indolent (slow growing) form of non-Hodgkin’s lymphoma (NHL), a type of blood cancer, which often returns after initial therapy. The FDA is expected to make a decision on approval of this novel cancer immunotherapy by December 29, 2022.

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"New therapeutic options are needed for follicular lymphoma, which often relapses after initial therapy and becomes increasingly difficult to treat each time it returns. Clinical trial results have demonstrated durable responses with mosunetuzumab in advanced follicular lymphoma, representing a step toward shifting the treatment paradigm"

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"New therapeutic options are needed for follicular lymphoma, which often relapses after initial therapy and becomes increasingly difficult to treat each time it returns. Clinical trial results have demonstrated durable responses with mosunetuzumab in advanced follicular lymphoma, representing a step toward shifting the treatment paradigm," said Levi Garraway, M.D., Ph.D., chief medical officer and head of Global Product Development. "Since mosunetuzumab does not require the collection or genetic modification of patient cells, it could become an effective, fixed-duration outpatient option without the barriers of travelling to a major academic center."

The BLA is based on positive results from the pivotal Phase I/II GO29781 study of mosunetuzumab, which showed high complete response (CR) rates, with the majority of responders (57% [95% CI: 49-70]) maintaining responses for at least 18 months, and manageable tolerability in people with heavily pretreated FL. After a median follow-up of 18.3 months, the CR rate was 60% (n=54/90) and the objective response rate was 80% (n=72/90). The median duration of response among those who responded was 22.8 months (95% CI: 9.7-not estimable). The most common adverse event (AE) was cytokine release syndrome (39%; n=86/218), which was generally low grade (grade 1: 25.6%; grade 2: 14%; grade 3: 2.3%; grade 4: 0.5%), and all events resolved. Other common AEs (>20%) included fatigue, headache, neutropenia, fever and hypophosphatemia. Treatment was administered without mandatory hospitalization. Results were presented for the first time in December 2021 at the 63rd American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting & Exposition.

Priority Review designation is granted to medicines that the FDA considers to have the potential to provide significant improvements in the safety and effectiveness of the treatment, prevention or diagnosis of a serious disease. The FDA granted Breakthrough Therapy Designation (BTD) to mosunetuzumab for the treatment of adults with R/R FL who have received at least two prior systemic therapies in June 2020 and Orphan Drug Designation in December 2018. BTD is designed to accelerate the development and review of medicines intended to treat serious or life-threatening conditions with preliminary evidence that indicates they may demonstrate substantial improvement over existing therapies. The European Commission granted conditional marketing authorization for mosunetuzumab for the treatment of people with R/R FL who have received at least two prior systemic therapies in June 2022.

A robust development program for mosunetuzumab is ongoing including two Phase III studies: CELESTIMO investigating mosunetuzumab plus lenalidomide in second-line plus (2L+) FL, and SUNMO, investigating mosunetuzumab plus Polivy (polatuzumab vedotin) in 2L+ diffuse large B-cell lymphoma (DLBCL).

About the GO29781 Study

The GO29781 study [NCT02500407] is a Phase I/II, multicenter, open-label, dose-escalation and expansion study evaluating the safety, efficacy and pharmacokinetics of mosunetuzumab in people with relapsed or refractory B-cell non-Hodgkin’s lymphoma. Outcome measures include complete response rate (best response) by independent review facility (primary endpoint), objective response rate, duration of response, progression-free survival, safety and tolerability (secondary endpoints).

About Follicular Lymphoma

Follicular lymphoma (FL) is the most common slow-growing (indolent) form of non-Hodgkin’s lymphoma, accounting for about one in five cases. It typically responds well to treatment but is often characterized by periods of remission and relapse. The disease typically becomes harder to treat each time a patient relapses, and early progression can be associated with poor long-term prognosis. In the United States, it is estimated that approximately 13,000 new cases of FL will be diagnosed in 2022.

About Mosunetuzumab

Mosunetuzumab is a first-in-class CD20xCD3 T-cell engaging bispecific antibody designed to target CD20 on the surface of B cells and CD3 on the surface of T cells. This dual targeting activates and redirects a patient’s existing T cells to engage and eliminate target B cells by releasing cytotoxic proteins into the B cells. A robust clinical development program for mosunetuzumab is ongoing, investigating the molecule as a monotherapy and in combination with other medicines, for the treatment of people with B-cell non-Hodgkin’s lymphomas, including follicular lymphoma, diffuse large B-cell lymphoma and other blood cancers.

About Polivy (polatuzumab vedotin-piiq)

Polivy is a first-in-class anti-CD79b antibody-drug conjugate (ADC). The CD79b protein is expressed specifically in the majority of B cells, an immune cell impacted in some types of non-Hodgkin’s lymphoma (NHL), making it a promising target for the development of new therapies. Polivy binds to CD79b and destroys these B cells through the delivery of an anti-cancer agent, which is thought to minimize the effects on normal cells. Polivy is being developed by Genentech using Seagen ADC technology and is currently being investigated for the treatment of several types of NHL.

Polivy U.S. Indication

Polivy is a prescription medicine used with other medicines, bendamustine and a rituximab product, to treat diffuse large B-cell lymphoma in adults who have progressed after at least two prior therapies.

The accelerated approval of Polivy is based on a type of response rate. There are ongoing studies to confirm the clinical benefit of Polivy.

Important Safety Information

Possible serious side effects

Everyone reacts differently to Polivy therapy, so it’s important to know what the side effects are. Some people who have been treated with Polivy have experienced serious to fatal side effects. A patient’s doctor may stop or adjust a patient’s treatment if any serious side effects occur. Patients must contact their healthcare team if there are any signs of these side effects.

Nerve problems in arms and legs: This may happen as early as after the first dose and may worsen with every dose. If a patient already has nerve pain, Polivy may make it worse. The patient’s doctor will monitor for signs and symptoms, such as changes in sense of touch, numbness or tingling in hands or feet, nerve pain, burning sensation, any muscle weakness, or changes to walking patterns
Infusion-related reactions: A patient may experience fever, chills, rash, breathing problems, low blood pressure, or hives within 24 hours of the infusion
Infections: Patients should contact their healthcare team if they experience a fever of 100.4°F or higher, chills, cough, or pain during urination. Also, a patient’s doctor may give medication before giving Polivy, which may prevent some infections, and monitor blood counts throughout treatment with Polivy. Treatment with Polivy can cause severe low blood cell counts
Rare and serious brain infections: A patient’s doctor will monitor the patient closely for signs and symptoms of these types of infections. Patients should contact their doctor if they experience confusion, dizziness or loss of balance, trouble talking or walking, or vision changes
Tumor lysis syndrome: Caused by the fast breakdown of cancer cells. Signs include nausea, vomiting, diarrhea, and lack of energy
Potential harm to liver: Some signs include tiredness, weight loss, pain in the abdomen, dark urine, and yellowing of the skin or the white part of the eyes. Patients may be at higher risk if they already have liver problems or are taking other medication
Side effects seen most often

The most common side effects during treatment were:

Low blood cell counts (platelets, red blood cells, white blood cells)
Nerve problems in arms and legs
Tiredness or lack of energy
Diarrhea
Nausea
Fever
Decreased appetite
Infections
Polivy may not be for everyone. A patient should talk to their doctor if they are:

Pregnant or may be pregnant: Data have shown that Polivy may harm an unborn baby
Planning to become pregnant: Women should avoid getting pregnant while taking Polivy. Women should use effective contraception during treatment and for at least 3 months after their last Polivy treatment. Men taking Polivy should use effective contraception during treatment and for at least 5 months after their last Polivy treatment
Breastfeeding: Women should not breastfeed while taking Polivy and for at least 2 months after the last dose
These may not be all the side effects. Patients should talk to their healthcare provider for more information about the benefits and risks of Polivy treatment.