On June 20, 2024 Medigene AG (Medigene, the "Company", FSE: MDG1, Prime Standard), an immuno-oncology platform company focusing on the discovery and development of T cell immunotherapies for solid tumors, reported that it has selected its lead candidate for MDG2021, a T cell receptor engineered T cell (TCR-T) therapy targeting Kirsten rat sarcoma viral oncogene homologue (KRAS) G12D with human leukocyte antigen (HLA)-A*11 being developed in combination with the Company’s PD1-41BB costimulatory switch protein (CSP) technology (Press release, MediGene, JUN 20, 2024, View Source [SID1234644457]).

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With its proprietary End-to-End (E2E) Platform, the Company has successfully generated an optimal KRAS G12D-HLA-A*11 TCR that meets the Company’s selection criteria for highly specific, sensitive and safer (3S) TCRs as the lead that will now advance into the pre-clinical stage. The Company’s evaluation criteria for TCR selection included sensitive and precise tumor cell recognition combined with simultaneous display of a high safety profile demarked by lack of recognition of panels of healthy cells and tissues, matched and mismatched for HLA.

"We are delighted to announce that we have successfully generated a novel 3S TCR targeting KRAS G12D-A*11 that meets our rigorous selection criteria of high specificity, heightened sensitivity, and promising potential for enhanced safety," said Dr. Selwyn Ho, Chief Executive Officer at Medigene.

"The selection of this KRAS G12D lead-TCR expands our library of TCRs against neoantigens and cancer-testis antigens. Further, with the addition of our armoring & enhancement technology, PD1-41BB CSP to our TCR-T therapies, we are confident that our approach will yield best-in-class TCR-T therapies, providing improved outcomes for patients with to date, difficult-to-treat solid tumors such as colorectal cancer and pancreatic cancer. We are looking forward to presenting initial pre-clinical data on MDG2021 at upcoming scientific conferences in the second half of 2024."

The Company’s E2E Platform continues to generate 3S TCRs with unique and distinctive attributes that will be utilized across multiple therapeutic modalities, including TCR-T therapies, TCR-guided T cell engagers and TCR natural killer cell therapies. The new 3S TCR is designed for co-expression with Medigene’s PD1-41BB CSP to enhance the proliferation, persistence, and cytotoxic function of TCR-T cells, while simultaneously mitigating immunosuppressive effects of the tumor microenvironment.

Following the lead announcement of Medigene’s first KRAS program MDG2011 (KRAS G12V-A*11) in June 2023, MDG2021 is the latest program now in preclinical development within Medigene’s library of neoantigens that comprises multiple KRAS mutations and HLAs. The MDG20xx program is dedicated to further develop the Company’s TCR library, exploring other KRAS neoantigen mutations and HLAs.

On June 20, 2024 Tempest Therapeutics, Inc. (Nasdaq: TPST), a clinical-stage oncology company developing first-in-class1 therapeutics that combine both targeted and immune-mediated mechanisms, reported new positive data from the ongoing global randomized Phase 1b/2 clinical study in which amezalpat2 (TPST-1120), Tempest’s PPAR⍺ antagonist, delivered a six-month improvement in median overall survival ("OS") advantage when combined with atezolizumab and bevacizumab in a comparison to atezolizumab and bevacizumab alone in the first-line treatment of patients with unresectable or metastatic hepatocellular carcinoma ("HCC") (Press release, Tempest Therapeutics, JUN 20, 2024, View Source [SID1234644456]).

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"We are thrilled by these new survival data that build on the already meaningful data released in the fall showing the improvement of the amezalpat arm over atezolizumab and bevacizumab control across all study endpoints," said Stephen Brady, president and chief executive officer of Tempest. "These new data come after 10 more months of follow-up since the last data analysis and show not only a strong hazard ratio of 0.65 favoring the amezalpat arm, but also a six-month improvement in the median overall survival with half the patients still in survival follow up, as well as observation of a survival advantage across key populations – results that we believe put amezalpat in a strong position for a successful pivotal Phase 3."

At the cutoff date of February 14, 2024, the new data from 40 patients randomized to the amezalpat arm and 30 patients randomized to the control arm show:

21 month median OS for the amezalpat arm versus 15 month for the control arm, a six-month survival advantage
20/40 patients remain in survival follow up in the amezalpat arm, compared to 9/30 patients in the control arm
0.65 hazard ratio ("HR") for OS, revealing a stable HR since the top-line analysis 10 months earlier when the HR was 0.59
Manageable safety profile consistent with Phase 1 data
The earlier top-line data analysis, dated April 20, 2023, had a median follow up of 9.2 and 9.9 months for the amezalpat and control arms, respectively, and showed:

Confirmed objective response rate ("cORR" or "confirmed ORR") of 30% for the amezalpat arm versus 13.3% for the control arm;
Biomarker subpopulation findings were consistent with the mechanism of action of amezalpat
Patients with b-catenin activating mutations (21% in this study (n=7)) showed a cORR of 43% and a disease control rate ("DCR") of 100% in the amezalpat arm
The amezalpat arm was consistently active across both PD-L1 positive and PD-L1 negative tumors, with a cORR of 27% in the amezalpat arm compared to 7% for the control arm in PD-L1 negative tumors
Amezalpat remains well tolerated, with safety data comparable between the two arms
The randomized arms were generally well balanced at baseline
ORR was determined by RECIST v1.1, and confirmed responses included at least two scans. Tempest retains all product rights to amezalpat.

Conference Call & Webcast Information

Tempest will host a webcast conference call today, June 20, 2024 at 8:30am ET.

To join the conference call via phone and participate in the live Q&A session, please pre-register online here to receive a telephone number and unique passcode required to enter the call. The live webcast and audio archive of the presentation may be accessed on the investor section of the Tempest website at View Source The webcast will be available for replay for 30 days.

About the Randomized Clinical Trial

The Phase 1b/2 global randomized HCC study is part of Roche’s Morpheus program and evaluates amezalpat in combination with atezolizumab and bevacizumab versus atezolizumab and bevacizumab, the standard of care, in patients with unresectable or metastatic HCC not previously treated with systemic therapy. The trial randomized 70 patients to receive either amezalpat with atezolizumab + bevacizumab or a contemporaneous control arm of atezolizumab + bevacizumab alone at approximately 25 sites worldwide, including in the United States, Europe, and Asia. The primary efficacy endpoint was confirmed objective response rate, and key secondary endpoints including PFS and OS. Under the terms of the clinical collaboration agreement, Roche is managing the study operations for this global, multicenter trial and Tempest retains all product rights.

About Amezalpat (TPST-1120)

Amezalpat is an oral, small molecule, selective PPAR⍺ antagonist. Tempest’s data suggest that amezalpat treats cancer by targeting tumor cells directly and by modulating immune suppressive cells and angiogenesis in the tumor microenvironment. In an ongoing global randomized phase 1b/2 study of amezalpat in combination with atezolizumab and bevacizumab in first-line patients with advanced HCC, the amezalpat arm showed clinical superiority across multiple study endpoints when compared to atezolizumab and bevacizumab alone, the standard of care. These randomized data were supported by positive results observed in the Phase 1 clinical trial in patients with heavily pretreated advanced solid tumors.

About Hepatocellular Carcinoma

HCC is an aggressive cancer with rising mortality and is projected to become the third leading cause of cancer death by 2030.3 Every year, more than 900,000 people worldwide are diagnosed with HCC.4 Incidence and mortality are highest in East Asia and are increasing in parts of Europe and the US.5 In the US, HCC represents the fastest-rising cause of cancer-related death.3

Nine out of ten cases of HCC are caused by chronic liver disease, which includes chronic hepatitis B and C infection, non-alcoholic fatty liver disease (NAFLD), non-alcoholic steatohepatitis (NASH), alcohol-related liver disease (ALD) and cirrhosis resulting from these conditions.6

Even if diagnosed in the early stage, an estimated 70-80% of people with early-stage HCC experience disease recurrence following surgery.7 Early recurrence is associated with poorer prognosis and shorter survival.5,8 Tumor size, number of tumors, and portal vein invasion are associated with an increased risk of recurrence.

On June 20, 2024 Sonnet BioTherapeutics Holdings, Inc. (NASDAQ:SONN) (the "Company" or "Sonnet"), a clinical-stage company developing targeted immunotherapeutic drugs, reported the entry into a definitive agreement for the immediate exercise of certain outstanding warrants to purchase up to an aggregate of 2,828,500 shares of common stock, issued by Sonnet in October 2023 (the "Existing Warrants"), at a reduced exercise price of $1.20 per share (Press release, Sonnet BioTherapeutics, JUN 20, 2024, View Source [SID1234644455]). The shares of common stock issuable upon exercise of the Existing Warrants are registered pursuant to an effective registration statement on Form S-1 (File No. 333-274581). The closing of the offering is expected to occur on or about June 21, 2024, subject to satisfaction of customary closing conditions.

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Ladenburg Thalmann & Co. Inc. is acting as the exclusive placement agent for the offering.

In consideration for the immediate exercise of the Existing Warrants for cash, Sonnet will issue new unregistered warrants to purchase up to 5,657,000 shares of common stock (the "New Warrants"). The New Warrants will have an exercise price of $1.55 per share (priced at-the-market under the rules of the Nasdaq Stock Market), will be exercisable upon issuance, and have a term equal to five years from the date of issuance. In connection with the transaction, Sonnet also (i) reduced the exercise price of the Existing Warrants to purchase an aggregate of 2,824,000 shares of common stock for all holders not participating in the transaction to $1.20 per share for the remaining term of the Existing Warrants, (ii) reduced the exercise price of certain outstanding warrants to purchase up to an aggregate of 227,272 shares of common stock issued by Sonnet in June 2023 (the "June Warrants") to $1.55 per share and (iii) extended the term of the June Warrants to the term of the New Warrants.

The gross proceeds to Sonnet from the exercise of the Existing Warrants are expected to be approximately $3.4 million, prior to deducting placement agent fees and offering expenses. The Company intends to use the net proceeds for research and development, including clinical trials, working capital, the repayment of all or a portion of liabilities, and general corporate purposes.

The New Warrants described above were offered in a private placement pursuant to an applicable exemption from the registration requirements of the Securities Act of 1933, as amended (the "1933 Act"), and, along with the shares of common stock issuable upon exercise, have not been registered under the 1933 Act, and may not be offered or sold in the United States absent registration with the Securities and Exchange Commission ("SEC") or an applicable exemption from such registration requirements. Sonnet has agreed to file a registration statement with the SEC covering the resale of the shares of common stock issuable upon exercise of the New Warrants.

This press release does not constitute an offer to sell or a solicitation of an offer to buy the securities in this offering, nor shall there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or other jurisdiction.

On June 20, 2024 4 Redx Pharma (JPJ:REDX), the clinical-stage, small molecule biotechnology company,
reported that Phase 2 data from zamaporvint (RXC004), a Porcupine inhibitor targeting Wnt-ligand dependent GI cancers, will be presented at the European Society for Medical Oncology Gastrointestinal Cancers Congress (ESMO GI), 26-29th June, Munich, Germany (Press release, Redx Pharma, JUN 20, 2024, View Source [SID1234644454]).

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Zamaporvint is a potent, selective, orally-active Porcupine inhibitor in development for hard-to-treat GI cancers. The principal efficacy hypothesis for zamaporvint is for use in combination, which has been investigated in Phase 2 signal searching patient cohorts with anti-PD-1 therapy. Monotherapy for single agent activity has also been investigated. The PORCUPINE study was in genetically-selected patients with microsatellite stable metastatic colorectal cancer (MSS mCRC) as monotherapy and immuno-oncology combination (clinicaltrials.gov NCT04907539). The PORUPINE2 study was in all-comers biliary tract cancer as monotherapy and immuno-oncology combination, and in genetically selected pancreatic cancer as monotherapy (clinicaltrials.gov NCT04907851).

The data will be presented in two posters, one on the PORCUPINE study and one on the PORCUPINE2 study. Notably, these data demonstrate that zamaporvint, in combination with an anti-PD-1 agent in genetically-selected patient populations has the potential to improve upon efficacy outcomes achieved with standard of care alone.
Details of the poster presentations are as follows:

1)
Abstract Title: Phase 2 results of the Porcupine (PORCN) inhibitor zamaporvint
(RXC004) in genetically selected microsatellite stable colorectal
cancer patients
Session Title: Poster Session
Date/Time: Thursday 27 June 3:35 – 4:30pm CEST
Poster Number: 37P

2)
Abstract Title: Phase 2 results of the porcupine (PORCN) inhibitor zamaporvint
(RXC004) in patients with pancreatic and biliary tract cancer
Session Title: Poster Session
Date/Time: Thursday 27 June 3:35 – 4:30pm CEST
Poster Number: 391P
A copy of the posters will be made available on Company’s website following the presentation at:
View Source

On June 20, 2024 Oncolytics Biotech Inc. (NASDAQ: ONCY) (TSX: ONC), a leading clinical-stage company specializing in immunotherapeutics for oncology, reported the dosing of the first patient in the new GOBLET study cohort evaluating pelareorep and modified FOLFIRINOX (mFOLFIRINOX) with or without atezolizumab (Tecentriq) in newly diagnosed metastatic pancreatic ductal adenocarcinoma (PDAC) patients (Press release, Oncolytics Biotech, JUN 20, 2024, View Source [SID1234644453]). The co-primary endpoints of the cohort are objective response rate (ORR) and safety. It is supported by the US$5M Pancreatic Cancer Action Network (PanCAN) Therapeutic Accelerator Award, an innovative program established to accelerate the development of new treatments for pancreatic cancer patients. It will be conducted in collaboration with AIO-Studien-gGmbH (AIO), a clinical trial group within the German Cancer Society, as part of GOBLET, a Phase 1/2 multiple indication study evaluating pelareorep-based combinations in gastrointestinal cancers.

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"Initiation of dosing in the mFOLFIRINOX cohort of the GOBLET study is an important milestone for Oncolytics, and we’re excited to begin evaluating another pelareorep combination therapy that could result in a second pancreatic cancer registration program for the company," said Thomas Heineman, M.D., Ph.D., Chief Medical Officer at Oncolytics. "The combination of pelareorep, atezolizumab, gemcitabine, and nab-paclitaxel in pancreatic cancer patients more than doubled tumor response rates compared to earlier trials of chemotherapy alone. That combination received Fast Track Designation from the FDA and is expected to be evaluated in an adaptive registration-enabling trial through the Global Coalition for Adaptive Research (GCAR). If the combination of pelareorep and mFOLFIRINOX also demonstrates a promising efficacy signal, we could have two pancreatic cancer treatment regimens on the path to registration. I want to highlight PanCAN’s important support for this program with gratitude. The US$5M Therapeutic Accelerator Award has made it possible for us to broaden our evaluation of potential therapies that have the potential to improve outcomes for pancreatic cancer patients."

Anna Berkenblit, MD, MMSc, Chief Scientific and Medical Officer at PanCAN said, "Working toward our vision to create a world in which all patients with pancreatic cancer will thrive, PanCAN launched the Therapeutic Accelerator Award to speed the drug development process and bring new options to patients faster. Dosing the first patient in this new cohort of the GOBLET study is an important step toward further evaluation of this investigational immunotherapeutic approach."

Dirk Arnold, M.D., Ph.D., Director of Asklepios Tumorzentrum Hamburg and primary investigator of the GOBLET trial commented, "I have been pleased to observe the strength of the clinical response data for pelareorep in multiple cohorts of the GOBLET gastrointestinal study, especially in pancreatic and anal cancer. mFOLFIRINOX is currently considered the best treatment option for many pancreatic cancer patients. Therefore, the evaluation of pelareorep and mFOLFIRINOX, with or without atezolizumab, presents an important opportunity to identify a novel therapeutic approach that may broaden the population of metastatic pancreatic cancer patients who could benefit from pelareorep-based therapies."

"Oncolytics is in a favorable position as we prepare to advance multiple pelareorep programs toward registration track studies and continue to expand pelareorep’s potential as a backbone immunotherapy that can impact various tumor types. The collaboration with GCAR on a registration-enabling study for the combination of pelareorep, atezolizumab, gemcitabine, and nab-paclitaxel in pancreatic cancer, meeting with the FDA to align on next steps for our breast cancer program, expanded enrollment in the GOBLET anal cancer cohort, and now the initiation of dosing in the mFOLFIRINOX cohort of GOBLET, announced today, are all important elements of our corporate plan," said Dr. Matt Coffey, President and Chief Executive Officer of Oncolytics. "The ability to improve the lives of cancer patients is something that motivates everyone at Oncolytics, and beginning to treat pancreatic cancer patients in the mFOLFIRINOX cohort of GOBLET is hopefully yet another step towards that goal."

About GOBLET cohort 5
The mFOLFIRINOX cohort of the Phase 1/2 GOBLET study is designed to evaluate newly diagnosed PDAC patients treated with pelareorep + mFOLFIRINOX with or without atezolizumab. There will be a three-patient safety run-in to evaluate the tolerability of each treatment arm: pelareorep + mFOLFIRINOX + atezolizumab and pelareorep + mFOLFIRINOX. A total of fifteen evaluable patients will be randomized to each arm in Stage 1 of this Simon two-stage study. The co-primary endpoints are objective response rate and safety. If Stage 1 success criteria are met, one or both treatment arms may be expanded to Stage 2 in which 17 additional evaluable patients per arm will be enrolled. Blood and tumor samples will also be collected for translational evaluations.

About GOBLET
The GOBLET (Gastrointestinal tumOrs exploring the treatment comBinations with the oncolytic reovirus peLarEorep and anTi-PD-L1) study is a phase 1/2 multiple indication study in advanced or metastatic gastrointestinal tumors. The study is being conducted at 17 centers in Germany and is being managed by AIO-Studien-gGmbH. The co-primary endpoints of the study are objective response rate (ORR) and/or disease control rate assessed at week 16 and safety. Key secondary and exploratory endpoints include additional efficacy assessments and evaluation of potential biomarkers. The study comprises five treatment groups:

1.Pelareorep in combination with atezolizumab, gemcitabine, and nab-paclitaxel in 1st line advanced/metastatic pancreatic cancer patients;

2.Pelareorep in combination with atezolizumab in 1st line MSI (microsatellite instability)-high metastatic colorectal cancer patients;

3.Pelareorep in combination with atezolizumab and TAS-102 in 3rd line metastatic colorectal cancer patients

4.Pelareorep in combination with atezolizumab in 2nd line advanced and unresectable anal cancer patients; and

5.Pelareorep in combination with mFOLFIRINOX with and without atezolizumab in newly diagnosed metastatic PDAC patients.

Any cohort meeting pre-specified efficacy criteria in Stage 1 may be advanced to Stage 2 and enroll additional patients.