On June 22, 2021 TRexBio, a discovery stage company decoding human tissue immune biology to create revolutionary therapeutics, reported the successful close of the final tranche of a $59 million Series A financing (Press release, TRexBio, JUN 22, 2021, View Source [SID1234584249]). Proceeds from the financing will be used to expand the company’s unique discovery platform that maps human tissue regulatory T cell (Treg) behavior to dysregulation in disease, and to advance its six preclinical therapeutic programs. Investors include Eli Lilly and Company (Lilly), SV Health, Johnson & Johnson Innovation, Pfizer Ventures, and Alexandria Venture Investments.

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"The continued support from our investors further validates our approach to creating breakthrough therapeutics," said Carol Gallagher, Pharm.D., Executive Chair of TRexBio, and former President and CEO of Calistoga Pharmaceuticals. "We look forward to working with our investors and our academic and industry collaborators as we continue to create and advance a robust pipeline that addresses serious illnesses including cancer and auto-immune diseases."

TRexBio also announced the appointment of Johnston Erwin as Chief Executive Officer, and Ovid Trifan, M.D., Ph.D., as Chief Medical Officer, as part of the company’s plan to accelerate growth. Johnston, a seasoned industry veteran with experience in business development, venture investment, collaboration management, and clinical and regulatory development, joins TRexBio after a 36 year career with Lilly. He most recently served as VP of Corporate Business Development leading Lilly’s internal venture portfolio.

"TRex is at the forefront of one of the most exciting new areas in immunobiology and tissue homeostasis," said Johnston. "The company has a significant foundation in place, with a compelling vision, dedicated team and robust science. I am excited to lead the company into its next stage of development and ultimately transform the lives of patients by bringing a new generation of immune-based therapies to the world."

Dr. Trifan brings more than 20 years of medical research experience to TRexBio. Most recently he was the Chief Medical Officer and VP of Development at Apexigen, a clinical stage biotech company focused on immuno-oncology. Prior to Apexigen he held senior roles in clinical research at leading pharmaceutical companies including Bristol Myers Squibb and Johnson & Johnson, where he contributed to the development of multiple successful oncology drugs. Dr. Trifan will lead the advancement of TRexBio’s oncology programs into the clinic by the end of next year.

Mr. Erwin and Dr. Trifan are joined on the management team by Chief Scientific Officer Melanie Kleinschek, DVM, Ph.D., who has led the development of TRexBio’s unique ‘deep biology’ discovery platform. The platform uses high-resolution profiling of human tissue, modern computational biology tools, a proprietary system to generate tissue-like Tregs and disease-relevant phenotypic assays to generate novel insights into human tissue biology.

TRexBio’s accomplishments to date include:

Foundational collaborations with Lilly and the University of California San Francisco.
Advancement of six preclinical therapeutic programs across immuno-oncology and inflammation, two of which are on track to name development candidates in the next 12 months.
Identification of more than 20 novel tissue-focused targets from its proprietary ‘deep biology’ platform
The company works with an internationally recognized team of founding scientific advisors, including

Michael D. Rosenblum, M.D., Ph.D., Professor of Dermatology, Vice Chair of Research UCSF, and Co-Founder of Delinia Therapeutics;
Houman Ashrafian, BM Bch, DPhil, Managing Partner at SV Health Investors and former VP, Head of Clinical Science at UCB;
Adil Daud, M.D., Professor, Department of Medicine, Hematology/Oncology Director Melanoma Clinical Research, UCSF;
Diane Mathis, Ph.D., Professor in the Department of Immunology at Harvard Medical School, and holder of the Morton Grove-Rasmussen Chair in Immunohematology; and
Allison Simmons, M.D., Ph.D., Professor of Gastroenterology and Director of the MRC Human Immunology Unit at the University of Oxford.

On June 22, 2021 Defence Therapeutics reported major breakthrough advances in its pre-clinical research program on its AccuTOX (free AccumTM or AccumTM variants) molecules as potent anti-cancer agents (Press release, Defence Therapeutics, JUN 22, 2021, View Source [SID1234626236]).

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The AccumTM technology platform is very efficient at enhancing intracellular delivery of proteins of pharmacological interests such as ADCs or vaccine antigens. Defence’s scientific team recently identified a novel function for the use of "free" AccumTM and its recently developed variants as anti-cancer molecules.

"The AccumTM technology platform is displaying multiple targets in its versatility. You can use it with ADCs or any other protein of interest such as vaccine antigens to enhance their intracellular delivery to target cells. We additionally discovered that when delivered without direct linking onto protein, the AccumTM moiety behaves as a toxic "bullet" to cancer cells. Such discovery re-enforces the idea that AccumTM can be exploited for various applications without the need to develop other unrelated molecules." said Sebastien Plouffe, CEO of Defence Therapeutics.

The Defence team engineered a large library of AccumTM variants (over 50 so far). They are currently being testing for their therapeutic efficacy against breast, colon, melanoma and lymphoma cancers. In addition, a new strategy is currently being developed to engineer an "intelligent" Poly-AccuTOX molecule (a chain of various AccuTOX molecules) capable of selectively killing a wide range of cancer cells without collateral side effects.

Global Immunotherapy Market size to reach USD 117 billion by 2026 according to Market Study Report LLC.

On June 22, 2021 Immutep Limited (ASX: IMM; NASDAQ: IMMP) (Immutep or Company), reported that it has received commitments for a A$60 million two-tranche private placement of new ordinary shares (New Shares) to professional, institutional and sophisticated investors (Placement) (Press release, Immutep, JUN 22, 2021, View Source [SID1234584214]).

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The first tranche of the Placement will be completed without shareholder approval. The second tranche of the Placement is subject to shareholders approval.

Use of Funds

The Company will use the proceeds received from the Placement to fund the expansion of its clinical programs and to commence the process characterisation and process validation for efti commercial manufacturing (2,000 litre scale). The proceeds received from the Placement will also be used for the offering costs and working capital purposes.

Placement

The Placement will involve the issue of New Shares at an issue price of A$0.52 per New Share (representing a 12.9% discount to the volume weighted average price (VWAP) of the Company’s ordinary shares as traded on ASX over the 30 days up to and including June 16, 2021). The New Shares issued under the Placement will rank equally with existing Immutep ordinary shares on issue with effect from their date of issue.

Settlement of the first tranche of the Placement is expected to occur on June 25, 2021, with the issuance of New Shares expected to occur on June 28, 2021.

Assuming Shareholder Approval is obtained for the completion of the second tranche of the Placement, settlement is expected to occur on July 29, 2021, with the issuance of New Shares expected to occur on July 30, 2021.

Share Purchase Plan

Following completion of the issue of the first tranche of the Placement, Immutep will conduct an offer of New Shares under a non-underwritten share purchase plan (SPP) to existing shareholders in the Company with a registered address in Australia and New Zealand as at 7.00pm (Sydney, Australia time) on June 18, 2021.

The SPP will provide each Eligible Shareholder with the opportunity to apply for up to A$30,000 of New Shares at the price payable per New Share in the Placement. The SPP is targeting to raise approximately A$5 million. The SPP is expected to close at 5.00pm (Sydney, Australia time) on July 22, 2021.

On June 22, 2021 Phio Pharmaceuticals Corp. (Nasdaq: PHIO), a biotechnology company developing the next generation of immuno-oncology therapeutics based on its proprietary self-delivering RNAi (INTASYL) therapeutic platform, reported that it has rescheduled the Company’s fireside chat being hosted by H.C. Wainwright, which was previously scheduled for today, to July 12, 2021 at 11 a.m. Eastern Time (Press release, Phio Pharmaceuticals, JUN 22, 2021, View Source [SID1234584230]). Details regarding the rescheduled fireside chat will be forthcoming.

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On June 22, 2021 Innovent Biologics, Inc. ("Innovent") (HKEX: 01801), a world-class biopharmaceutical company that develops, manufactures and commercializes high quality medicines for the treatment of oncology, metabolic, autoimmune and other major diseases, reported that the Phase 3 ORIENT-15 study met the predefined overall survival primary endpoint. ORIENT-15 is a global randomized, double-blind, multi-center clinical study evaluating sintilimab in combination with chemotherapy (cisplatin plus paclitaxel or cisplatin plus 5-fluorouracil [5-FU]) for the first-line treatment of patients with unresectable, locally advanced recurrent or metastatic esophageal squamous cell carcinoma (ESCC) (Press release, Innovent Biologics, JUN 22, 2021, View Source [SID1234584250]).

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Based on an interim analysis conducted by the Independent Data Monitoring Committee (IDMC), sintilimab in combination with chemotherapy demonstrated a statistically significant and clinically meaningful improvement in the primary endpoint of overall survival (OS) compared to placebo in combination with chemotherapy regardless of PD-L1 expression status. The safety profile of sintilimab in this study was consistent with that observed in previously reported studies of sintilimab, and no additional safety signals were identified. These results will be presented at an upcoming medical meeting.

The principal investigator of the ORIENT-15 study, Prof. Shen Lin from Peking University Cancer Hospital and Institute stated, "More than half of new and fatal cases of esophageal cancer in the world occur in China every year. In China, esophageal cancer is the fifth most commonly diagnosed cancer and the fourth leading cause of death from cancer, and squamous cell carcinoma (ESCC) is the predominant histologic type. Treatment options for people with ESCC are limited. Chemotherapy is currently the main treatment for ESCC and, in recent years, immunotherapy has brought new hope in the treatment of this type of cancer, with some PD-1 inhibitors receiving approval as a second-line treatment for patients with ESCC in China. We are encouraged by these interim results of the ORIENT-15 study which demonstrated that sintilimab in combination with chemotherapy prolonged overall survival in the first-line treatment of patients with ESCC, regardless of PD-L1 status."

Dr. Zhou Hui, Senior Vice President of Clinical Development of Innovent, stated: "The treatment options for locally advanced or metastatic ESCC are limited and represent a significant unmet clinical need. ORIENT-15 is the largest clinical study of sintilimab conducted by Innovent to date. Despite the COVID-19 pandemic, the joint effort of the study’s investigators and broader team have enabled us to reach this milestone. We would like to express our sincere gratitude to all the patients who participated in the ORIENT-15 study. We hope these results can help to provide a new treatment option for patients with ESCC."

About the ORIENT-15 Study

ORIENT-15 is a global randomized, double-blind, multi-center Phase 3 clinical study evaluating sintilimab in combination with chemotherapy (cisplatin plus paclitaxel or cisplatin plus 5-fluorouracil [5-FU]), compared to placebo in combination with chemotherapy, for the first-line treatment of unresectable, locally advanced recurrent or metastatic esophageal squamous cell carcinoma (ClinicalTrials.gov, NCT03748134). At the time of interim analysis, a total of 659 eligible patients were enrolled and randomly assigned into the experimental group or control group in a 1:1 ratio. Patients were enrolled regardless of PD-L1 status. The primary endpoints included overall survival in all randomized patients and overall survival in PD-L1 positive (defined as CPS ≥10) patients.

About Esophageal Squamous Cell Carcinoma (ESCC)

Esophageal cancer is one of the most common malignant tumors worldwide that begins in the inner layer (mucosa) of the esophagus, which connects the throat to the stomach. Based on GLOBOCAN 2020 estimates, approximately 600,000 new cases of esophageal cancer are diagnosed and approximately 540,000 deaths result from the disease globally. Esophageal cancer is the seventh most commonly diagnosed cancer and the sixth leading cause of death from cancer worldwide. More than half of new and fatal cases of esophageal cancer in the world occur in China. In China, it is estimated there were approximately 320,000 new cases of esophageal cancer diagnosed and approximately 300,000 deaths resulting from the disease in 2020. Esophageal cancer is the fifth most commonly diagnosed cancer and the fourth leading cause of death from cancer in China, which has a five-year survival rate of only 30 percent.

The two main types of esophageal cancer are squamous cell carcinoma (SCC) and adenocarcinoma. In China, SCC is the predominant histologic type – accounting for more than 90 percent of all esophageal cancer. Currently, first-line standard systemic therapy in China is chemotherapy based on platinum drugs for unresectable, locally advanced recurrent or metastatic ESCC. There have been a few PD-1 inhibitors recently approved for the second-line treatment of patients with ESCC.

About Sintilimab

Sintilimab, marketed as TYVYT (sintilimab injection) in China, is an innovative PD-1 inhibitor with global quality standards jointly developed by Innovent and Eli Lilly and Company. Sintilimab is an immunoglobulin G4 monoclonal antibody, which binds to PD-1 molecules on the surface of T-cells, blocks the PD-1 / PD-Ligand 1 (PD-L1) pathway, and reactivates T-cells to kill cancer cells. Innovent is currently conducting more than 20 clinical studies of sintilimab to evaluate its safety and efficacy in a wide variety of cancer indications, including more than 10 registrational or pivotal clinical trials.

In China, sintilimab has been approved for three indications, including:

The treatment of relapsed or refractory classic Hodgkin’s lymphoma after two lines or later of systemic chemotherapy
In combination with pemetrexed and platinum chemotherapy, for the first-line treatment of nonsquamous non-small cell lung cancer
In combination with gemcitabine and platinum chemotherapy, for the first-line treatment of squamous non-small cell lung cancer
Additionally, Innovent currently has regulatory submissions under review in China for sintilimab:

In combination with BYVASDA (bevacizumab injection) for the first-line treatment of hepatocellular carcinoma
The second-line treatment of squamous non-small cell lung cancer
Innovent also has two clinical studies that have met primary endpoint for sintilimab:

in combination with cisplatin plus paclitaxel or cisplatin plus 5-fluorouracil for the first-line treatment of esophageal squamous cell carcinoma
The second-line treatment for esophageal squamous cell carcinoma
In May 2021, the U.S. FDA accepted for review the Biologics License Application (BLA) for sintilimab in combination with pemetrexed and platinum chemotherapy for the first-line treatment of nonsquamous non-small cell lung cancer.

Sintilimab was included in China’s National Reimbursement Drug List (NRDL) in 2019 as the first PD-1 inhibitor and the only PD-1 included in the list in that year.