On March 26, 2018 Seattle Genetics, Inc. (NASDAQ: SGEN) and Astellas Pharma Inc. (TSE: 4503, President and CEO: Yoshihiko Hatanaka, "Astellas") reported that the U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy Designation to enfortumab vedotin, an antibody-drug conjugate (ADC), for patients with locally advanced or metastatic urothelial cancer who were previously treated with checkpoint inhibitors (CPI) (Press release, Seattle Genetics, MAR 26, 2018, View Source;p=RssLanding&cat=news&id=2339635 [SID1234525388]).

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This press release features multimedia. View the full release here: View Source
Breakthrough Therapy Designation is a process designed to expedite the development and review of drugs that are intended to treat a serious or life-threatening condition. It is based upon preliminary clinical evidence indicating that the drug may demonstrate substantial improvement over available therapy on a clinically significant endpoint(s).
"The FDA Breakthrough Therapy Designation underscores the potential of enfortumab vedotin as a meaningful treatment for patients with locally advanced or metastatic urothelial cancer. Further, it supports our rapid development plans for this ADC, including the ongoing pivotal study in this patient population," said Robert Lechleider, M.D., Senior Vice President, Clinical Development at Seattle Genetics. "Seattle Genetics is an emerging multi-product oncology company, advancing a robust pipeline with the goal of improving outcomes for cancer patients. Enfortumab vedotin is at the forefront of our late-stage clinical pipeline, and we are working closely with our partner and the FDA to bring this potential new treatment to patients as quickly as possible."

"Achieving Breakthrough Therapy Designation for enfortumab vedotin is another step forward in our goal to bring an additional treatment option to patients who need it most," said Steven Benner, M.D., Senior Vice President and Global Therapeutic Area Head, Oncology Development at Astellas. "With the enfortumab vedotin registrational phase 2 trial and CPI-combination trial actively underway, Astellas looks forward to expanding development of enfortumab vedotin and its oncology pipeline, including treatments that would target some of the hardest-to-treat cancers."
The Breakthrough Therapy Designation was granted based on interim results from the phase 1 study examining enfortumab vedotin as monotherapy treatment for patients with metastatic urothelial cancer who were previously treated with CPIs. Enfortumab vedotin is being studied in a pivotal clinical trial, EV-201 (NCT03219333), as monotherapy in this patient setting and in an early-phase clinical trial in combination with CPI therapy, EV-103 (NCT03288545). The companies are also evaluating enfortumab vedotin in other solid tumors, including ovarian and non-small cell lung carcinoma.

More information about the ongoing trials can be found at www.clinicaltrials.gov.
About Enfortumab Vedotin
Enfortumab vedotin is an investigational ADC composed of an anti-Nectin-4 monoclonal antibody attached to a microtubule-disrupting agent, MMAE, using Seattle Genetics’ proprietary linker technology. Enfortumab vedotin targets Nectin-4, a cell adhesion molecule identified as an ADC target by Astellas, which is expressed on many solid tumors.

About Astellas
Astellas Pharma Inc., based in Tokyo, Japan, is a company dedicated to improving the health of people around the world through the provision of innovative and reliable pharmaceutical products. We focus on Urology, Oncology, Immunology, Nephrology and Neuroscience as prioritized therapeutic areas while advancing new therapeutic areas and discovery research leveraging new technologies/modalities. We are also creating new value by combining internal capabilities and external expertise in the medical/healthcare business. Astellas is on the forefront of healthcare change to turn innovative science into value for patients. For more information, please visit our website at View Source

Seattle Genetics and Astellas Receive FDA Breakthrough Therapy Designation for Enfortumab Vedotin in Locally Advanced or Metastatic Urothelial Cancer
BOTHELL, Wash. & TOKYO–(BUSINESS WIRE)–Mar. 26, 2018– Seattle Genetics, Inc. (NASDAQ: SGEN) and Astellas Pharma Inc. (TSE: 4503, President and CEO: Yoshihiko Hatanaka, "Astellas") reported that the U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy Designation to enfortumab vedotin, an antibody-drug conjugate (ADC), for patients with locally advanced or metastatic urothelial cancer who were previously treated with checkpoint inhibitors (CPI).
This press release features multimedia. View the full release here: View Source
Breakthrough Therapy Designation is a process designed to expedite the development and review of drugs that are intended to treat a serious or life-threatening condition. It is based upon preliminary clinical evidence indicating that the drug may demonstrate substantial improvement over available therapy on a clinically significant endpoint(s).
"The FDA Breakthrough Therapy Designation underscores the potential of enfortumab vedotin as a meaningful treatment for patients with locally advanced or metastatic urothelial cancer. Further, it supports our rapid development plans for this ADC, including the ongoing pivotal study in this patient population," said Robert Lechleider, M.D., Senior Vice President, Clinical Development at Seattle Genetics. "Seattle Genetics is an emerging multi-product oncology company, advancing a robust pipeline with the goal of improving outcomes for cancer patients. Enfortumab vedotin is at the forefront of our late-stage clinical pipeline, and we are working closely with our partner and the FDA to bring this potential new treatment to patients as quickly as possible."
"Achieving Breakthrough Therapy Designation for enfortumab vedotin is another step forward in our goal to bring an additional treatment option to patients who need it most," said Steven Benner, M.D., Senior Vice President and Global Therapeutic Area Head, Oncology Development at Astellas. "With the enfortumab vedotin registrational phase 2 trial and CPI-combination trial actively underway, Astellas looks forward to expanding development of enfortumab vedotin and its oncology pipeline, including treatments that would target some of the hardest-to-treat cancers."
The Breakthrough Therapy Designation was granted based on interim results from the phase 1 study examining enfortumab vedotin as monotherapy treatment for patients with metastatic urothelial cancer who were previously treated with CPIs. Enfortumab vedotin is being studied in a pivotal clinical trial, EV-201 (NCT03219333), as monotherapy in this patient setting and in an early-phase clinical trial in combination with CPI therapy, EV-103 (NCT03288545). The companies are also evaluating enfortumab vedotin in other solid tumors, including ovarian and non-small cell lung carcinoma.
More information about the ongoing trials can be found at www.clinicaltrials.gov.
About Enfortumab Vedotin
Enfortumab vedotin is an investigational ADC composed of an anti-Nectin-4 monoclonal antibody attached to a microtubule-disrupting agent, MMAE, using Seattle Genetics’ proprietary linker technology. Enfortumab vedotin targets Nectin-4, a cell adhesion molecule identified as an ADC target by Astellas, which is expressed on many solid tumors.
About Astellas
Astellas Pharma Inc., based in Tokyo, Japan, is a company dedicated to improving the health of people around the world through the provision of innovative and reliable pharmaceutical products. We focus on Urology, Oncology, Immunology, Nephrology and Neuroscience as prioritized therapeutic areas while advancing new therapeutic areas and discovery research leveraging new technologies/modalities. We are also creating new value by combining internal capabilities and external expertise in the medical/healthcare business. Astellas is on the forefront of healthcare change to turn innovative science into value for patients. For more information, please visit our website at View Source

About Seattle Genetics
Seattle Genetics is an innovative biotechnology company dedicated to improving the lives of people with cancer through targeted therapies. The company’s industry-leading antibody-drug conjugate (ADC) technology harnesses the targeting ability of antibodies to deliver cell-killing agents directly to cancer cells. Seattle Genetics commercializes ADCETRIS (brentuximab vedotin) for the treatment of several types of CD30-expressing lymphomas. The company is also advancing a robust pipeline of novel therapies for solid tumors and blood-related cancers designed to address significant unmet medical needs and improve treatment outcomes for patients. More information can be found at www.seattlegenetics.com and follow @SeattleGenetics on Twitter.

On March 26, 2018 Bayer reported that its collaboration partner Loxo Oncology, Inc., (NASDAQ: LOXO) has completed the rolling submission of a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) for larotrectinib for the treatment of adult and pediatric patients with locally advanced or metastatic solid tumors harboring a neurotrophic tyrosine receptor kinase (NTRK) gene fusion (Press release, Bayer, MAR 26, 2018, View Source [SID1234525481]). The rolling submission was initiated in December 2017. NTRK gene fusions are genetic alterations present across a wide range of tumors resulting in uncontrolled tropomyosin receptor kinase (TRK) signaling and tumor growth.

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"This NDA submission in the U.S. marks an important milestone in bringing us one step closer to providing larotrectinib as a potential treatment option for patients with TRK fusion cancer," said Scott Fields, MD, Bayer’s senior vice president and head of Oncology Development at Bayer’s Pharmaceutical Division. "NTRK gene fusions, while rare, are present in various pediatric and adult cancers. We are committed to working with the FDA and the oncology community to bring larotrectinib to patients as soon as possible."

Bayer and Loxo Oncology are jointly developing larotrectinib, an investigational compound being studied globally for the treatment of patients across a wide range of cancers that harbor a NTRK gene fusion. Bayer plans to submit a Marketing Authorization Application (MAA) in the European Union in 2018.

About Larotrectinib (LOXO-101)
Larotrectinib (LOXO-101) is an investigational oral and selective drug in clinical development for the treatment of patients across a wide range of cancers that harbor a neurotrophic tyrosine receptor kinase (NTRK) gene fusion. Growing research suggests that the NTRK genes, which encode for tropomyosin receptor kinases (TRKs), can become abnormally fused to other genes, resulting in growth signals that can lead to cancer in many sites of the body.

Larotrectinib has been granted Breakthrough Therapy Designation, Rare Pediatric Disease Designation and Orphan Drug Designation (ODD) by the U.S. Food and Drug Administration. For additional information about the larotrectinib clinical trials, please refer to www.clinicaltrials.gov or visit www.loxooncologytrials.com. Larotrectinib has not been approved by the U.S. Food and Drug Administration, the European Medicines Agency or any other health authority.

In November 2017, Bayer and Loxo Oncology entered into an exclusive global collaboration for the development and commercialization of larotrectinib and LOXO-195, a next-generation TRK inhibitor in clinical development. Bayer and Loxo Oncology will jointly develop the two products with Loxo Oncology leading the ongoing clinical studies as well as the filing in the U.S., and Bayer leading ex-U.S. regulatory activities and worldwide commercial activities. In the U.S., Bayer and Loxo Oncology will co-promote the products.

About Oncology at Bayer
Bayer is committed to delivering science for a better life by advancing a portfolio of innovative treatments. The oncology franchise at Bayer now includes four oncology products and several other compounds in various stages of clinical development. Together, these products reflect the company’s approach to research, which prioritizes targets and pathways with the potential to impact the way that cancer is treated.

Athenex has filed a 10-K – Annual report [Section 13 and 15(d), not S-K Item 405] with the U.S. Securities and Exchange Commission (Filing, 10-K, Athenex, 2018, MAR 26, 2018, View Source [SID1234527576]).

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On March 26, 2018 Cancer Genetics, Inc. (Nasdaq:CGIX), a leader in enabling precision medicine for oncology through molecular markers and diagnostics, reported that it will release its financial results for the fourth quarter and full year ended December 31, 2017 on Monday, April 2, 2018 (Press release, Cancer Genetics, MAR 26, 2018, View Source [SID1234524985]). The Company will hold a conference call at 4:30 PM Eastern on Monday, April 2, 2018 to discuss the financial results and provide an update on its strategic direction and key organizational improvements being made by the Company.

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CONFERENCE CALL & WEBCAST
Monday, April 2, 2018, 4:30 p.m. Eastern Time
Domestic: 888-394-8218
International: 323-701-0225
Conference ID: 7874980
Webcast: View Source
Replay – Available through April 16, 2018
Domestic: 844-512-2921
International: 412-317-6671
Conference ID: 7874980

On March 26, 2018 Onconova Therapeutics, Inc. (NASDAQ:ONTX), a Phase 3 clinical-stage biopharmaceutical company focused on discovering and developing novel products to treat cancer, reported that new clinical safety data from the expansion phase of a Phase 2 clinical trial at the Bone Marrow Failure Disease Scientific Symposium, held in Rockville, Maryland, on March 22-23, 2018 (Press release, Onconova, MAR 26, 2018, View Source [SID1234524993]).

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Oral rigosertib has been developed as a single agent and in combination with azacitidine. Previous studies have demonstrated that Low-Risk (LR) MDS patients with intermittent oral rigosertib treatment at a dose of 560 mg BID show a transfusion independence rate (TI), as defined by the IWG 2006 criteria, of 44% (Raza, et al, Blood 2017 130:1689). Oral rigosertib in combination with AZA is being studied in patients with Higher-risk (HR) MDS. Initial results of the Phase 2 study with oral rigosertib (840 mg /day 3 out of 4 weeks) in combination with azacitidine in patients with MDS demonstrated an overall response rate of 76%; 62% in patients following hypomethylating agent (HMA) failure; and 85% in HMA naïve patients (Navada et al, EHA (Free EHA Whitepaper), 2017). In both single agent and combination studies, oral rigosertib has been associated with hematuria in a subset of patients which has been shown to be dose and administration scheme dependent (Garcia-Manero G, Blood 2016 128:2011). The results reported here are from a dose exploration study in HR MDS patients with an increased oral rigosertib dose (1120 mg/day 3 out of 4 weeks) and focus on the impact of risk-mitigation strategies in minimizing the incidence of urinary adverse events (UAEs); including hematuria. The mitigation strategies included prescribing the second dose of rigosertib earlier in the day and encouraging bladder emptying at bedtime.

The reported incidence of hematuria of any grade with single agent azacitidine is 6.3%, including 2.3% grade 3 and 4 events (per product insert). In the combination trial of oral rigosertib (total dose of 840 mg/day 3 out of 4 weeks) and azacitidine, the incidence of hematuria was 48%, with grade 3 or grade4 AEs of 12%. In the new study, in 37 patients studied with oral rigosertib (total dose of 1120 mg/day 3 out of 4 weeks) and azacitidine employing prophylactic risk-mitigating strategies to minimize hematuria, a significantly lower incidence of grade 1 & 2 hematuria (11%), and no grade 3 or 4 hematuria have been seen to date.

Guillermo Garcia-Manero, M.D, Professor and Chief of the MDS Section at the MD Anderson Cancer Center, who presented the new results, commented, "Choices are very limited for higher risk MDS, with two HMAs as the only drugs approved by the Health Authorities for these patients. There is an urgent need to develop novel approaches, including combination therapies that can improve the outcomes in patients who require an HMA. The previously presented studies of the combination regimen of oral rigosertib with azacitidine have demonstrated impressive evidence of efficacy in HMA naïve and HMA refractory patients with higher-risk MDS. Since the success of a combination therapy is greatly influenced by the safety and tolerability of the regimen, the new results of improved tolerability are of great importance for the proposed pivotal study of this combination. The ability to ensure longer duration of treatment without interruption or dose reduction due to an acceptable safety profile can ensure optimal benefit for patients. We look forward to participating in the planned Phase 3 study of this novel approach, which combines two agents with distinct mechanisms of action for the potential benefit of frontline MDS patients."

Dose optimization and risk mitigation strategies undertaken specifically to minimize UAEs associated with oral rigosertib in combination with azacitidine have resulted, to date, in a decrease in frequency of hematuria from 48% to 11% and elimination of any serious grade 3 events. Minimization of AEs permits patients to continue on treatment to optimize the potential benefit. Reduction in incidence of hematuria also enables the continued study of oral rigosertib in LR-MDS, based on the promising TI Rate previously reported.

A copy of the poster is available by visiting the Scientific Presentations section of Onconova’s website.