Astellas and Adaptimmune Enter into Agreement to Co-Develop and Co-Commercialize Stem-Cell Derived Allogeneic CAR-T and TCR T-Cell Therapies

On January 13, 2020 Astellas Pharma Inc. (TSE: 4503, President and CEO: Kenji Yasukawa, Ph.D., "Astellas"), through its wholly-owned subsidiary Universal Cells, Inc. and Adaptimmune Therapeutics plc (Nasdaq:ADAP), a leader in cell therapy to treat cancer, reported that they have entered into a co-development and co-commercialization agreement to bring new stem-cell derived allogeneic T-cell therapies to people with cancer (Press release, Astellas, JAN 13, 2020, View Source [SID1234553157]).

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Astellas and Adaptimmune will agree on up to three targets and co-develop T-cell therapy candidates directed to those targets. These targets will exclude target specific T-cell products in pre-clinical or clinical trials or those developed for other partners at Adaptimmune. The collaboration will leverage Adaptimmune’s target identification and validation capabilities for generating target-specific T-cell Receptors (TCRs), chimeric antigen receptors (CARs), and HLA-independent TCRs that recognize surface epitopes independently of the HLA profile of the tumor cell. The collaboration will also utilize Astellas’ Universal Donor Cell and Gene Editing Platform it obtained through the acquisition of Seattle-based Universal Cells.

Adaptimmune has been collaborating with Universal Cells since 2015 on development of gene-edited iPSC cell lines, for which Adaptimmune has rights to develop and commercialize resulting T-cell therapy products using its proprietary process for generating T cells from stem cells without the use of feeder cell lines.

Astellas will fund research up until completion of a Phase 1 trial for each candidate. Upon completion of the Phase 1 trial for each candidate, Astellas and Adaptimmune will elect whether to progress with co-development and co-commercialization of the candidate, or to allow the other Party to pursue the candidate independently through a milestone and royalty bearing licence, with the agreement allowing for either company to opt out. The companies will each have a co-exclusive licence covering the co-development and co-commercialization of the product candidates within the field of T-cell therapy. If a candidate is developed by one company only, the appropriate licences will become exclusive to the continuing party.

"Astellas positions immuno-oncology as one of its strategic areas of primary focus, and it is engaged in the development of novel therapies for cancer patients using a new modality/technology," stated Naoki Okamura, Representative Director Corporate Executive Vice President, Chief Strategy Officer and Chief Financial Officer, Astellas. "In addition to NK cells, T-cells are an important component of cell therapy for immuno-oncology, and we look forward that this agreement with Adaptimmune will enable us to create new stem-cell derived allogeneic T-cell therapies for a variety of cancers, including solid tumors, in the future. We will continue to dedicate our efforts in delivering novel treatments for diseases with high unmet medical needs, pursuing cutting-edge science and technological advances."

"We are delighted to establish this significant co-development partnership with Astellas, which builds upon and substantially extends an existing collaboration focused on gene editing of iPSC cells," said Helen Tayton-Martin, Adaptimmune’s Chief Business Officer and Co-Founder. "This new collaboration may encompass both CAR-T and TCR T-cell approaches, including our novel HLA-independent TCR ("HiT") platform. It brings together highly complementary skills and expertise across the two organizations, and will enable the accelerated development of new, off-the-shelf T-cell therapy products for people with cancer."

Astellas will also have the right to select two targets and develop allogeneic cell therapy candidates independently. Astellas will have sole rights to develop and commercialize these products, subject to necessary licenses and the payment of milestones and royalties.

Under the terms of the agreement, Adaptimmune may receive up to $897.5 million in payments, including:

an upfront payment of $50 million.
development milestones totalling up to $73.75 million for each product if the collaboration product discovered in this partnership is co-developed and commercialized by both companies
Up to $147.5 million in milestone payments per product and up to $110 million in sales milestones for products developed unilaterally by Astellas.
In addition, Adaptimmune will receive research funding of up to $7.5 million per year.

Finally, Adaptimmune would receive tiered royalties on net sales in the mid-single to mid-teen digits.

Under the terms of the agreement, Astellas may receive up to $552.5 million, including:

Up to $147.5 million in milestone payments per product and up to $110 million in sales milestones
for products developed unilaterally by Adaptimmune.
In addition, Astellas would receive tiered royalties on net sales in the mid-single to mid-teen digits.

To the extent that Astellas and Adaptimmune co-develop and co-commercialize any T-cell therapy, they will equally share the costs of such co-development and co-commercialization, with the resulting profits from co-commercialization also shared equally. Further details governing co-development and co-commercialization will be articulated in a product-specific commercialization agreement.

The impact of this transaction on Astellas’ financial results in the fiscal year ending March 31, 2020 will be limited.

MacroGenics to Present at the J.P. Morgan Healthcare Conference

On January 13, 2020 MacroGenics, Inc. (Nasdaq: MGNX), a clinical-stage biopharmaceutical company focused on discovering and developing innovative monoclonal antibody-based therapeutics for the treatment of cancer, reported that the Company will present at the 38th Annual J.P. Morgan Healthcare Conference in San Francisco on Thursday, January 16, 2020, at 9:00 a.m. PT (Press release, MacroGenics, JAN 13, 2020, View Source [SID1234553175]).

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An audio and slide webcast of the presentation may be accessed under "Events & Presentations" in the Investor Relations section of MacroGenics’ website at View Source The Company will maintain an archived replay of this webcast on its website for 30 days after the conference.

Turning Point Therapeutics Announces Program Updates and Milestones for 2020

On January 13, 2020 Turning Point Therapeutics, Inc. (NASDAQ: TPTX), a precision oncology company developing next-generation therapies that target genetic drivers of cancer, reported that program updates for its four drug candidates and ongoing clinical studies (Press release, Turning Point Therapeutics, JAN 13, 2020, View Source [SID1234564381]).

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"Following a transformational year in 2019, we are pleased with the progress in our ongoing clinical studies, our recent Fast Track designation for repotrectinib and nomination of our ALK inhibitor candidate for IND-enabling studies," said Athena Countouriotis, M.D., president and CEO.

"In addition, we have now dosed multiple patients with our RET/SRC-inhibitor, TPX-0046, who presented with solvent-front mutations and were previously treated with other investigational RET inhibitors. The emergence of RET solvent-front mutations is an indication of the need for a next-generation RET inhibitor given the limited treatment options for these patients."

PROGRAM UPDATES AND 2020 MILESTONES

Repotrectinib
Clinical study of repotrectinib continues to progress in the Phase 2 registrational portion of the TRIDENT-1 global study and Phase 1/2 study in pediatric patients. With sites activating globally in the TRIDENT-1 study, the company continues to anticipate reporting early interim data from initial patients in some of the registrational cohorts in the second half of the year.

The company announced today that repotrectinib has been granted Fast Track designation by the U.S. Food and Drug Administration for the treatment of ROS1-positive advanced non-small cell lung cancer (NSCLC) patients who have been previously treated with one prior line of platinum-based chemotherapy and one prior line of a ROS1 tyrosine kinase inhibitor (TKI). There are currently no approved targeted therapies for TKI-pretreated ROS1-positive NSCLC patients.

Following ongoing dialogue with health authorities, the company recently amended the TRIDENT-1 protocol for expansion cohorts 2 and 3 to clarify that ROS1-positive advanced NSCLC patients must have had one prior platinum-based chemotherapy regimen in addition to one prior TKI (cohort 2) or two prior TKIs (cohort 3). This amendment to cohort 2 is in line with the patient population granted fast track designation. Additionally, based on the potential future treatment paradigm, expansion cohort 4 has been amended to enroll only ROS1-positive advanced NSCLC patients with one prior TKI and no prior chemotherapy. This amendment is aimed at expanding enrollment in multiple ROS1-positive advanced NSCLC TKI-pretreated patient populations.

TPX-0022 – MET/CSF1R/SRC Inhibitor
Study of TPX-0022 continues to progress in a Phase 1 clinical trial in advanced solid tumor patients with MET genetic alterations. The company continues to anticipate reporting early interim data from initial patients during the second half of the year.

TPX-0046 – RET/SRC Inhibitor
Study of TPX-0046 continues to progress in a Phase 1/2 clinical trial, with early enrollment including multiple RET-positive patients with solvent-front mutations previously treated with other investigational RET inhibitors. In preclinical studies against proxy molecules for other investigational RET inhibitors, TPX-0046 showed comparable or stronger potency against wildtype and certain RET solvent-front mutations.

TPX-0131, A Next-Generation ALK Inhibitor
The company reported the advancement of TPX-0131, its next-generation ALK inhibitor candidate, into IND-enabling studies. TPX-0131 has been designed with a compact macrocyclic structure and in preclinical studies has been shown to potently inhibit wildtype ALK and numerous ALK mutations, in particular the clinically observed G1202R solvent-front mutation and G1202R/L1196M compound mutation. ALK-driven tumors are estimated to represent up to 7 percent of driver oncogenes in NSCLC and of patients who develop a resistance mutation, G1202R has been reported in approximately 42 percent.

2020 Milestones
Key milestones anticipated in 2020 include:

Additional TPX-0131 preclinical data during the first half of the year;
Present preclinical repotrectinib combination data;
Early interim data from initial patients in some of the registrational cohorts of the repotrectinib TRIDENT-1 Phase 2 study during the second half of the year;
Early interim data from initial patients treated with TPX-0022 during the second half of the year; and
Submitting the IND for TPX-0131 by early 2021.

Ultragenyx and Kyowa Kirin Announce Submission of Supplemental Biologics License Application to U.S. FDA for Crysvita® (burosumab) for Tumor-Induced Osteomalacia (TIO)

On January 13, 2020 Ultragenyx Pharmaceutical Inc. (NASDAQ: RARE), a biopharmaceutical company focused on the development of novel products for rare and ultra-rare diseases, and Kyowa Kirin Co., Ltd., (Kyowa Kirin, TYO: 4151) reported that they submitted a supplemental Biologics License Application (sBLA) to the U.S. Food and Drug Administration (FDA) on December 18, 2019, for Crysvita (burosumab) for the treatment of FGF23-related hypophosphatemia associated with phosphaturic mesenchymal tumors (tumor-induced osteomalacia; TIO) that cannot be curatively resected or localized (Press release, Ultragenyx Pharmaceutical, JAN 13, 2020, View Source [SID1234553069]). The companies expect to hear back from FDA on submission acceptance and review designation in February 2020.

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"Approximately half of patients with TIO have tumors that cannot be surgically removed, leaving them with no other current treatment options," said Camille L. Bedrosian, M.D., Chief Medical Officer of Ultragenyx. "We look forward to continuing to work closely with the FDA during the review process, with the goal of bringing Crysvita to patients with TIO in the U.S."

The sBLA package includes data from two single-arm Phase 2 studies, a 144-week study in 14 adult patients conducted by Ultragenyx in the U.S. and an 88-week study in 13 adult patients conducted by Kyowa Kirin in Japan and South Korea. In both studies, Crysvita was associated with increases in serum phosphorus and serum 1,25-dihydroxyvitamin D levels. Increased phosphate levels led to improvements in osteomalacia, mobility and vitality. Bone scans also demonstrated an increase in healed fractures and a decrease in new fractures during Crysvita treatment. During the studies, adverse events generally reflected the patients’ underlying disease, and there were no serious treatment-related adverse events.

Crysvita is approved by the FDA for the treatment of X-linked hypophosphatemia (XLH) in adult and pediatric patients six months of age and older, and by Health Canada and Brazil’s National Health Surveillance Agency (ANVISA) for the treatment of XLH in adult and pediatric patients one year of age and older. It is approved by Japan’s Ministry of Health, Labor and Welfare (MHLW) for the treatment of FGF23-related hypophosphatemic rickets and osteomalacia. The medicine has received European conditional marketing authorization for the treatment of XLH with radiographic evidence of bone disease in children 1 year of age and older and adolescents with growing skeletons, and an application for the expanded use in adults with XLH is currently under review by the European Medicines Agency.

See below for Important Safety Information for Crysvita in X-linked hypophosphatemia.

About Tumor-Induced Osteomalacia (TIO)
TIO is caused by typically benign tumors that produce excess levels of fibroblast growth factor 23 (FGF23), causing phosphate wasting in the urine that leads to severe hypophosphatemia, osteomalacia, muscle weakness, fatigue, bone pain and fractures. The symptoms rapidly resolve if the causal tumors or lesion can be resected; however, there are cases in which resection is not feasible or recurrence of the tumor occurs after resection. In patients for whom the tumor or lesion is inoperable, the current treatment consists of oral phosphate and/or vitamin D replacement. Efficacy of this management is often limited, as it does not treat the underlying disease and its benefits must be balanced with monitoring for potential risks such as nephrocalcinosis, hypercalciuria and hyperparathyroidism. An estimated 500-1,000 people in the United States have TIO, and approximately half of all cases are inoperable.

About Crysvita
Crysvita (burosumab-twza) is a recombinant fully human monoclonal IgG1 antibody, discovered by Kyowa Kirin, against the phosphaturic hormone FGF23. FGF23 is a hormone that reduces serum levels of phosphorus and active vitamin D by regulating phosphate excretion and active vitamin D production by the kidney. Phosphate wasting in TIO and other hypophosphatemic conditions, including XLH, is caused by excessive levels and activity of FGF23. Crysvita is designed to bind to and thereby inhibit the biological activity of FGF23. By blocking excess FGF23 in patients with TIO and XLH, Crysvita is intended to increase phosphate reabsorption from the kidney and increase the production of vitamin D, which enhances intestinal absorption of phosphate and calcium.

Kyowa Kirin and Ultragenyx have been collaborating in the development and commercialization of Crysvita globally based on the collaboration and license agreement between the parties.

INDICATION (IN THE U.S.)
Crysvita is indicated for the treatment of X-linked hypophosphatemia (XLH) in adult and pediatric patients 6 months of age and older.

IMPORTANT SAFETY INFORMATION
Crysvita should not be taken if:

An oral phosphate supplement and/or a specific form of vitamin D supplement are taken (such as calcitriol, paricalcitol, doxercalciferol, calcifediol).
Phosphorus levels from a blood sample are within or above the normal range for age.
Kidney problems are present.
What is the most important information to know about Crysvita?

Some patients developed allergic reactions (rash and hives) while taking Crysvita. Doctors will monitor for symptoms of an allergic reaction while Crysvita is taken.
High levels of phosphorus in the blood have been reported in some patients taking Crysvita. This may be related to a risk of high calcium levels in the kidneys. Doctors will collect samples to monitor levels.
Administration of Crysvita may result in reactions at the injection site, such as hives, reddening of the skin, rash, swelling, bruising, pain, severe itching of the skin, and collection of blood outside of a blood vessel (hematoma).
What are the possible side effects of Crysvita?

The most common adverse reactions that were seen in children with XLH are:
• Fever
• Injection site reaction
• Cough
• Vomiting
• Pain in arms and legs
• Headache
• Tooth infection
• Dental cavities
• Diarrhea
• Decreased vitamin D levels
• Toothache
• Constipation
• Muscle pain
• Rash
• Dizziness
• Nausea
The most common adverse reactions that were seen in adults with XLH are:
• Back pain
• Headache
• Tooth infection
• Restless leg syndrome
• Decreased vitamin D levels
• Dizziness
• Muscle spasms
• Constipation
• Phosphorus levels increased in the blood
Narrowing of the spaces within the spine is common in adults with XLH and pressure on the spinal cord has been reported in adults taking Crysvita. It is not known if taking Crysvita worsens the narrowing of the spaces within the spine or the pressure on the spinal cord.
Before taking Crysvita, doctors should be informed about all medications (including supplements) and medical conditions, including if:

One is taking oral phosphate and/or active vitamin D (such as calcitriol, paricalcitol, doxercalciferol, calcifediol).
One is pregnant, thinks she may be pregnant, or plans to become pregnant. There is not enough experience to know if Crysvita may harm an unborn baby. Report pregnancies to the Kyowa Kirin, Inc. Adverse Event reporting line at 1-888-756-8657.
One is breastfeeding or plans to breastfeed. There is not enough experience to know if Crysvita passes into breast milk. Women should talk with their doctors about the best way to feed their babies while taking Crysvita.
While taking Crysvita, doctors should be informed if one experiences:

An allergic reaction such as rash or hives
A rash, swelling, bruising or other reaction at the injection site
New or worsening restless leg syndrome
These are not all the possible side effects of Crysvita. Doctors should be contacted for medical advice about side effects.

Side effects may be reported to the FDA at (800) FDA-1088 or www.fda.gov/medwatch. Side effects may also be reported to Kyowa Kirin, Inc. at 1-888-756-8657.

Corporate Presentation of IDEAYA Biosciences, Inc

On January 13, 2020 IDEAYA Biosciences, Inc. presented the corpoarte presentation (Press release, Ideaya Biosciences, JAN 13, 2020, View Source [SID1234553086]).

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