Xenetic Biosciences, Inc. Announces Research and Development Collaboration with The Scripps Research Institute to Advance DNase Platform

On April 11, 2023 Xenetic Biosciences, Inc. (NASDAQ:XBIO) ("Xenetic" or the "Company"), a biopharmaceutical company focused on advancing innovative immune-oncology technologies addressing hard to treat cancers, reported that it has entered into a Research Funding and Option Agreement (the "Agreement") with The Scripps Research Institute ("TSRI") to advance the development of the Company’s systemic DNase program as well as its DNase-armored CAR T program (Press release, Xenetic Biosciences, APR 11, 2023, https://ir.xeneticbio.com/news/detail/135/xenetic-biosciences-inc-announces-research-and-development-collaboration-with-the-scripps-research-institute-to-advance-dnase-platform [SID1234629954]). The systemic DNase program is expected to be evaluated in combination with existing therapies for the potential treatment of pancreatic carcinoma and other solid tumor indications.

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Xenetic’s DNase-based oncology platform is designed to target neutrophil extracellular traps ("NETs"), which are weblike structures composed of extracellular chromatin coated with histones and other proteins. NETs are expelled by activated neutrophils, in response to microbial or pro-inflammatory challenges. However, excessive production or reduced clearance of NETs can lead to aggravated inflammatory and autoimmune pathologies, as well as creation and support of pro-tumorigenic niches in the case of cancer growth and metastasis, thereby potentially limiting response to therapy.

"Scripps has been a long-standing valued collaboration partner of ours and we are pleased to further extend our relationship through this agreement for our DNase-based oncology platform. We believe that the team at Scripps is well-equipped to provide valuable insight and generate meaningful data in our preclinical development program as we work to advance toward the clinic. We look forward to exploring a platform technology that has the potential to generate much needed therapies for pancreatic carcinoma and other locally advanced or metastatic solid tumors," commented Jeffrey Eisenberg, Chief Executive Officer of Xenetic.

Under the terms of the Scripps Research agreement, in addition to advancing Xenetic’s existing intellectual property, Xenetic has an option to acquire an exclusive license to any new intellectual property arising from the DNase research program. Xenetic is working toward its planned first-in-human study to evaluate DNase combined with immune checkpoint inhibitors or chemotherapy.

Regeneron Announces Investor Conference Presentations

On April 11, 2023 Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) reported that it will webcast management participation as follows (Press release, Regeneron, APR 11, 2023, View Source [SID1234629953]):

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BofA Securities 2023 Health Care Conference at 1:40 p.m. PT (4:40 p.m. ET) on Tuesday, May 9, 2023

2023 RBC Capital Markets Global Healthcare Conference at 9:30 a.m. ET on Tuesday, May 16, 2023

The sessions may be accessed from the "Investors & Media" page of Regeneron’s website at View Source Replays of the webcasts will be archived on the Company’s website for at least 30 days.

Corporate presentation

On April 11, 2023 QSAM Biosciences presented its corporate presentation (Presentation, QSAM Biosciences, APR 11, 2023, View Source [SID1234629952]).

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Annual Meeting of the American Association for Cancer Research (AACR), April 14-19, 2023, Orlando, Florida (US)

On April 11, 2023 Pantarhei Bioscience reported that its Director R&D, Iman Schultz, PhD, will attend the 2023 Annual Meeting of the American Association for Cancer Research (AACR) (Free AACR Whitepaper) held in Orlando, Florida (US), April 14-19, and present data on the discovery of the novel promising immunotherapy target ‘ZP3-Cancer’ (Press release, Pantarhei Bioscience, APR 11, 2023, View Source;utm_medium=rss&utm_campaign=annual-meeting-of-the-american-association-for-cancer-research-aacr-april-14-19-2023-orlando-florida-us [SID1234629951]). ZP3-Cancer is highly selectively enriched in cancer, particularly in lung, colorectal, ovarian and prostate cancer.

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The AACR (Free AACR Whitepaper) Annual Meeting covers the latest breakthroughs in cancer, from early discoveries to late stage clinical trials, and attracts top speakers in the field from all over the world.

Looking forward to presenting our data in Orlando.

April 11, 2023: MaaT Pharma to Present Clinical Data for MaaT013 and MaaT033 at 49th EBMT Annual Meeting

On April 11, 2023 MaaT Pharma (EURONEXT: MAAT – the "Company"), a French clinical-stage biotech and a pioneer in the development of Microbiome Ecosystem TherapiesTM (MET) dedicated to improving survival outcomes for patients with cancer, reported that promising clinical data for its drug candidates, MaaT013 and MaaT033 will be reported in two oral presentations by Pr. Florent Malard, Associate Professor of Hematology at the Saint-Antoine Hospital and Sorbonne University during the 49th Annual Meeting of the European Society for Blood and Marrow Transplantation (EBMT 2023) to be held as an hybrid event in Paris, France, from April 23 – 26, 2023 (Press release, MaaT Pharma, APR 11, 2023, View Source [SID1234629949]). The EBMT Annual Meeting is a leading event in Europe that focuses on cutting-edge scientific content related to transplantation and cellular therapy. The oral presentations will include data that were previously presented at the American Society of Hematology (ASH) (Free ASH Whitepaper) conference in December 2022.

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Key clinical findings with MaaT013 as compassionate use in France (Early Access Program or "EAP") in 81 patients

Clinical results showed a GI-Overall Response Rate (ORR) of 56% including 30 complete responses (37%), 11 very good partial responses (14%) and 4 partial responses (5%) in GI-aGvHD patients 28 days after treatment initiation; 12-month overall survival was 59% in patients responding to MaaT013 treatment.
A 65% ORR was observed in 31 patients treated with MaaT013 as 3rd-line therapy after failure to 2nd-line ruxolitinib treatment; 12-month overall survival in this group responding to MaaT013 treatment was 74%; similar patient population is being treated in MaaT Pharma’s ongoing pivotal Phase 3 in Europe.
Oral Presentation details for MaaT013:

Title: Pooled Fecal Allogenic Microbiotherapy for Refractory Gastrointestinal Acute Graft-versus Host Disease: Results from the Early Access Program in France
Abstract number: OS05-08
Session Name: Oral Session 5 | GVHD (Clinical)
Date/Time: Wednesday, April 26, 2023 11:33 am – 11:42 am CET
Location: Amphithéâtre Bleu

Key clinical findings with MaaT033 in Phase 1b study CIMON

MaaT033 was shown to be safe and tolerable in 21 patients. 4 severe adverse events were reported in 4 patients, only one was considered as possibly related to the treatment by the investigator.
Treatment with MaaT033 induced increased microbiota richness as well as strong and persistent engraftment in cohorts 3 and 4 of the dose escalation study, which consisted of taking 3 capsules of the drug candidate per day.
Engraftment following MaaT033 treatment correlated with increased anti-inflammatory marker levels and reduced inflammatory marker levels in patients.
MaaT Pharma is preparing a randomized, double-blind, placebo-controlled pivotal Phase 2b clinical trial for MaaT033; trial start is expected in Q2 2023 as previously announced.
Oral Presentation details for MaaT033:

Title: Restoration of Gut Microbiota Diversity with Oral Pooled Fecal Microbiotherapy in Acute Myeloid Leukemia Patients after Intensive Chemotherapy: the Phase 1b CIMON trial
Abstract number: OS06-08
Session Name: Oral Session 6 | Acute Leukemia (II)
Date/Time: Wednesday, April 26, 2023 10:39 am – 10:48 am CET
Location: Maillot

Participants are also invited to meet with MaaT Pharma’s clinical team at booth #48. All EBMT sessions that take place onsite will be live-streamed through the congress platform and will be available on-demand after they are aired live. Link to register: View Source