Sonnet BioTherapeutics to Present Preclinical Data on SON-080 for Chemotherapy-Induced Peripheral Neuropathy (CIPN) at the AACR 2024 Annual Meeting

On March 19, 2024 Sonnet BioTherapeutics Holdings, Inc. (NASDAQ:SONN) ("Sonnet" or the "Company"), a biopharmaceutical company developing innovative targeted biologic drugs, reported that preclinical data and clinical trial design from the study of SON-080 (recombinant human Interleukin-6 or rhIL-6) in CIPN will be presented in a poster session at the upcoming American Association for Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting 2023, to be held April 5-10, in San Diego, California (Press release, Sonnet BioTherapeutics, MAR 19, 2024, View Source [SID1234641271]).

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Presentation details:

Title: Low dose interleukin-6 (SON-080) for neuropathies: Toxicology and clinical plans

Session Title: Pharmacology and Pharmacogenetics

Presentation Type: Poster

Session Date and Time: Wednesday April 10, 2024, 9:00 AM – 12:30 PM

Abstract Number: 7181

Location: Poster Section 24

Poster Board Number: 22

AstraZeneca to acquire Fusion to accelerate the development of next-generation radioconjugates to treat cancer

On March 19, 2024 AstraZeneca reported that it has entered into a definitive agreement to acquire Fusion Pharmaceuticals Inc., a clinical-stage biopharmaceutical company developing next-generation radioconjugates (RCs) (Press release, AstraZeneca, MAR 19, 2024, View Source [SID1234641248]). The acquisition marks a major step forward in AstraZeneca delivering on its ambition to transform cancer treatment and outcomes for patients by replacing traditional regimens like chemotherapy and radiotherapy with more targeted treatments.

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RCs have emerged as a promising modality in cancer treatment over recent years. These medicines deliver a radioactive isotope directly to cancer cells through precise targeting using molecules such as antibodies, peptides or small molecules. This approach has many potential advantages compared to traditional radiotherapy including minimising damage to healthy cells and enabling access to tumours not reachable through external beam radiation.

This acquisition complements AstraZeneca’s leading oncology portfolio with the addition of the Fusion pipeline of RCs, including their most advanced programme, FPI-2265, a potential new treatment for patients with metastatic castration-resistant prostate cancer (mCRPC). FPI-2265 targets prostate-specific membrane antigen (PSMA), a protein that is highly expressed in mCRPC, and is currently in a Phase II trial.

The acquisition brings new expertise and pioneering R&D, manufacturing and supply chain capabilities in actinium-based RCs to AstraZeneca. It also strengthens the Company’s presence in and commitment to Canada.

Susan Galbraith, Executive Vice President, Oncology R&D, AstraZeneca, said: "Between thirty and fifty per cent of patients with cancer today receive radiotherapy at some point during treatment, and the acquisition of Fusion furthers our ambition to transform this aspect of care with next-generation radioconjugates. Together with Fusion, we have an opportunity to accelerate the development of FPI-2265 as a potential new treatment for prostate cancer, and to harness their innovative actinium-based platform to develop radioconjugates as foundational regimens."

John Valliant, Chief Executive Officer, Fusion, said: "This acquisition combines Fusion’s expertise and capabilities in radioconjugates, including our industry-leading radiopharmaceutical R&D, pipeline, manufacturing and actinium-225 supply chain, with AstraZeneca’s leadership in small molecules and biologics engineering to develop novel radioconjugates. Expanding on our existing collaboration with AstraZeneca where we have advanced FPI-2068, an EGFR-cMET targeted radioconjugate into Phase I clinical trials, gives us a unique opportunity to accelerate the development of next-generation radioconjugates with the aim of transforming patient outcomes."

Fusion will become a wholly owned subsidiary of AstraZeneca, with operations continuing in Canada and the US.

Financial considerations
Under the terms of the definitive agreement, AstraZeneca, through a subsidiary, will acquire all of Fusion’s outstanding shares pursuant to a plan of arrangement for a price of $21.00 per share in cash at closing plus a non-transferable contingent value right of $3.00 per share in cash payable upon the achievement of a specified regulatory milestone. The upfront cash portion of the consideration represents a transaction value of approximately $2bn, a 97% premium to Fusion’s closing market price of $10.64 on 18th March 2024 and an 85% premium to the 30-day volume-weighted average price (VWAP) of $11.37 before this announcement. Combined, the upfront and maximum potential contingent value payments represent, if achieved, a transaction value of approximately $2.4bn, a 126% premium to Fusion’s closing market price on 18th March 2024 and a 111% premium to the 30-day VWAP. As part of the transaction, AstraZeneca will acquire the cash, cash equivalents and short term investments on Fusion’s balance sheet, which totalled $234m as of 31st December 2023.

The transaction is expected to close in the second quarter of 2024, subject to customary closing conditions, including the approval of Fusion shareholders and regulatory clearances.

Notes

Radioconjugates in oncology
RCs combine the precise targeting of antibodies, small molecules or peptides with potent medical radioisotopes to deliver radiation directly to cancer cells. By seeking out cancer cells, RCs provide a more precise mechanism of cancer cell killing compared with traditional radiation therapy, with the goal of improving efficacy while minimising toxicity on healthy cells. RCs are administered via systemic delivery, which enables their use in tumour types not accessible to external beam radiation and the targeting of cancer cells that have spread from the main tumour to other sites in the body.

About FPI-2265
FPI-2265 is an actinium-225 based PSMA-targeting RC for mCRPC, currently in a Phase II trial.

Actinium-225 emits alpha particles and holds the promise of being a next-generation radioisotope in cancer treatment. By delivering a greater radiation dose over a shorter distance, alpha particles such as actinium-225 have the potential for more potent cancer cell killing, and targeted delivery, thereby minimising damage to surrounding healthy tissue.

Tyra Biosciences Reports Fourth Quarter and Full Year 2023 Financial Results and Highlights

On March 19, 2024 Tyra Biosciences, Inc. (Nasdaq: TYRA), a clinical-stage biotechnology company focused on developing next-generation precision medicines that target large opportunities in Fibroblast Growth Factor Receptor (FGFR) biology, reported financial results for the fourth quarter and full year ended December 31, 2023 and highlighted recent corporate progress (Press release, Tyra Biosciences, MAR 19, 2024, View Source [SID1234641272]).

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"2023 was an outstanding year for TYRA and we are pleased to have positive momentum at the start of 2024," said Todd Harris, CEO of TYRA. "We have strong conviction in our pipeline and believe our lead program TYRA-300 has the potential to become a best-in-class agent for multiple high-value indications. TYRA-300 remains our top priority and we are focused on submitting our Phase 2 IND for achondroplasia, while optimizing dose in SURF301 in preparation for Phase 2 studies in NMIBC and metastatic urothelial carcinoma."

"TYRA is in our strongest financial position to date, with a pro-forma cash position of over $400 million following our PIPE last month. Our ability to retain and attract high quality investors reflects the excitement around our pipeline to deliver value for both shareholders and patient communities," added Alan Fuhrman, Chief Financial Officer of TYRA. "Our current cash, cash equivalents and marketable securities on hand allow us to execute on our plans through at least 2026."

Fourth Quarter 2023 and Recent Corporate Highlights


Closed a $200M Private Placement Financing. In February 2024, TYRA entered into a securities purchase agreement with new and existing institutional and accredited investors to sell securities in a private placement financing (the PIPE) for gross proceeds of approximately $200 million. The financing was led by RA Capital Management, with participation by new and existing institutional investors, including Boxer Capital, BVF Partners, Nextech Invest Ltd (on behalf of one or more funds managed by it), OrbiMed, 5AM Ventures, a large investment management firm and a life-sciences focused institutional investor.

TYRA-300


Received FDA Rare Pediatric Disease Designation for the Treatment of Achondroplasia. In January 2024, TYRA-300 was granted Rare Pediatric Disease (RPD) Designation for the treatment of achondroplasia from the U.S. Food and Drug Administration (FDA). TYRA-300 has also received Orphan Drug Designation (ODD) for the treatment of achondroplasia from the FDA.

SURF301 Phase 1/2 Study for Oncology Continued to Advance. The SURF301 Phase 1 study for oncology (Study in Untreated and Resistant FGFR3+ Advanced Solid Tumors) (NCT05544552) continues to advance. The study is a multi-center, open label study designed to determine the optimal and maximum tolerated dose (MTD) and the recommended Phase 2 dose (RP2D) of TYRA-300, as well as to evaluate the preliminary antitumor activity of TYRA-300. TYRA expects that the Phase 1 portion of SURF301 will provide data to inform multiple doses and schedules of TYRA-300 in future studies in metastatic urothelial carcinoma (mUC), non-muscle invasive bladder cancer (NMIBC) and achondroplasia. As of March 2024, the Part A Phase 1 portion of SURF301 has completed

dose escalation, and the current expansion cohorts in Part B are evaluating potentially therapeutic once daily and twice daily doses. TYRA expects to submit initial results from its SURF301 Phase 1 portion for presentation at a scientific congress in the second half of 2024.

Phase 2 Achondroplasia (ACH) Study On Track. TYRA is planning to initiate a Phase 2 clinical trial testing multiple doses of TYRA-300 to support children with achondroplasia. TYRA expects that the primary objective of this study will be to assess safety and tolerability in children with achondroplasia and determine the dose(s) for further development. TYRA also expects that secondary objectives will include evaluating change in growth velocity, growth proportionality and pharmacokinetics (PK). TYRA is also planning exploratory assessments of clinical outcomes and quality of life measures, and an evaluation of biomarkers to determine dose-response relationships to TYRA-300. TYRA’s current expectation is that the study will initially evaluate treatment naïve children ages 5-12 to determine optimal dose ranges and will also include a separate cohort and analysis of children ages 5-12 with achondroplasia who have received and did not tolerate or respond to a prior growth accelerating therapy. TYRA plans to submit an Investigational New Drug (IND) application to the FDA in the second half of 2024 for the initiation of the Phase 2 study.

TYRA-200


Phase 1 SURF201 Study Initiated. SURF201 (Study in PrevioUsly treated and Resistant FGFR2+ Cholangiocarcinoma and Other Advanced Solid Tumors) (NCT06160752) is a multi-center, open label study designed to evaluate the safety, tolerability, and PK of TYRA-200 and determine the optimal and MTD and RP2D, as well as evaluate the preliminary antitumor activity of TYRA-200.

TYRA-200 is an FGFR1/2/3 inhibitor with potency against activating FGFR2 gene alterations and resistance mutations. The SURF201 study is currently enrolling and dosing adults with unresectable locally advanced/metastatic intrahepatic cholangiocarcinoma and other advanced solid tumors with activating FGFR2 gene alterations.

SNÅP Platform and Pipeline


TYRA continued to advance its in-house precision medicine discovery engine, SNÅP, to develop therapies in targeted oncology and genetically defined conditions including FGF19+/FGFR4-driven cancers and others.

Fourth Quarter and Full Year 2023 Financial Results


Fourth quarter 2023 net loss was $22.8 million compared to $12.9 million for the same period in 2022.

Fourth quarter 2023 research and development expenses were $20.7 million compared to $10.4 million for the same period in 2022.

Fourth quarter 2023 general and administrative expenses were $5.0 million compared to $4.6 million for the same period in 2022.

Full year 2023 net loss was $69.1 million compared to $55.3 million for the same period in 2022.

Full year 2023 research and development expenses were $62.5 million compared to $43.0 million for the same period in 2022.

Full year 2023 general and administrative expenses were $17.4 million compared to $15.9 million for the same period in 2022.

As of December 31, 2023, TYRA had cash, cash equivalents, and marketable securities of $203.5 million. Following completion of the approximately $200 million PIPE in February 2024, TYRA’s pro-forma cash position of approximately $403.5 million is expected to support the Company’s important clinical and operational milestones through at least 2026.

About TYRA-300

TYRA-300 is the Company’s lead precision medicine program stemming from its in-house SNÅP platform. TYRA-300 is an investigational, oral, FGFR3-selective inhibitor currently in development for the treatment of cancer and skeletal dysplasias, including achondroplasia. In oncology, TYRA-300 is being evaluated in a multi-center, open label Phase 1/2 clinical study, SURF301 (Study in Untreated and Resistant FGFR3+ Advanced Solid Tumors). SURF301

(NCT05544552) was designed to determine the optimal and MTD and the RP2D of TYRA-300, as well as to evaluate the preliminary antitumor activity of TYRA-300. SURF301 is currently enrolling adults with advanced urothelial carcinoma and other solid tumors with FGFR3 gene alterations. In skeletal dysplasias, TYRA-300 has demonstrated positive preclinical results, and the Company expects to submit an IND in the second half of 2024 for the initiation of a Phase 2 clinical study in pediatric achondroplasia. In July 2023 and January 2024, the FDA granted ODD and RPD Designation to TYRA-300, respectively, for the treatment of achondroplasia.

About TYRA-200

TYRA-200 is an investigational, oral, FGFR1/2/3 inhibitor with potency against activating FGFR2 gene alterations and resistance mutations currently in development for the treatment of cancer. TYRA-200 is being evaluated in a multi-center, open label Phase 1 clinical study, SURF201 (Study in PrevioUsly treated and Resistant FGFR2+ Cholangiocarcinoma and Other Advanced Solid Tumors). SURF201 (NCT06160752) was designed to determine the optimal and MTD and the RP2D of TYRA-200, as well as to evaluate the preliminary antitumor activity of TYRA-200. SURF201 is currently enrolling adults with advanced/metastatic intrahepatic cholangiocarcinoma and other advanced solid tumors with activating alterations in FGFR2.

Carina to Present Three Poster Presentations at AACR Annual Meeting 2024

On March 18, 2024 Carina Biotech Limited (Carina), a clinical stage cell therapy immuno-oncology company, reported three poster presentations from studies of its LGR5-targeting CAR-T program in colorectal cancer and ovarian cancer at the American Association for Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting 2024 that will take place in San Diego, California, on April 5-10 (Press release, Carina Biotech, MAR 18, 2024, View Source;utm_medium=rss&utm_campaign=press-release-carina-to-present-three-poster-presentations-at-aacr-annual-meeting-2024 [SID1234641257]).

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"We are looking forward to sharing data related to our LRG-5 targeted CAR-T program in three poster presentations at the upcoming AACR (Free AACR Whitepaper) annual meeting. One of the posters will highlight the GMP manufacturing and testing findings for our lead LGR5-targeted CAR-T cell therapy candidate CNA3103, that is currently being evaluated in a Phase 1/2 clinical trial for the treatment of adult patients with metastatic colorectal cancer," stated Deborah Rathjen, PhD, Carina’s Chief Executive Officer.

"Our research team will also be presenting preclinical data that demonstrate the potential to develop our LGR5-targeting CAR-T cells as a novel immunotherapy for ovarian cancer and that expand the preclinical body of evidence across a diverse range of cancer families, including ovarian, brain, liver, and stomach, where LGR5-targeting CAR-T cells may be harnessed."

Poster Presentation Details
Title: Preclinical in vivo characterization underpinning LGR5-targeting CAR-T cells as a cancer immunotherapy

Lead Author: Jade Foeng, PhD, Chemokine Biology Laboratory, Department of Molecular and Biomedical Science, The University of Adelaide, South Australia
Session Category: Immunology
Session Title: Adoptive Cell Therapies: CAR-T Cells
Session Date and Time: Sunday, April 7, 2024 1:30 pm PT – 5:00 pm PT
Location: Poster Section 2
Poster Board Number: 24
Published Abstract Number: 56

Title: CAR-T cells targeting LGR5: An effective treatment for chemotherapy resistant ovarian cancer

Lead Author: Wanqi (Jady) Wang, Robinson Research Institute, The University of Adelaide, South Australia
Session Category: Clinical Research
Session Title: Adoptive Cell Therapy 2
Session Date and Time: Tuesday, April 9, 2024 1:30 pm PT – 5:00 pm PT
Location: Poster Section 40
Poster Board Number: 11
Published Abstract Number: 6320

Title: From bench to bedside: GMP manufacturing and testing of LGR5-targeting CAR-T against colorectal cancer

Lead Author: Veronika Bandara, PhD, Molecular Immunology Laboratory, Robinson Research Institute, The University of Adelaide, South Australia
Session Category: Clinical Research
Session Title: Adoptive Cell Therapy 2
Session Date and Time: Tuesday, April 9, 2024 1:30 pm PT – 5:00 pm PT
Location: Poster Section 40
Poster Board Number: 22
Published Abstract Number: 6311

Medigene AG to participate in the H.C. Wainwright 2nd Annual Cell Therapy Virtual Conference

On March 19, 2024 Medigene AG (Medigene or 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 will be participating in the H.C. Wainwright 2nd Annual Cell Therapy Virtual Conference on March 26, 2024 (Press release, MediGene, MAR 19, 2024, View Source [SID1234641274]).

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Members of Medigene’s management team will join a fireside chat and will be available for virtual one-on-one meetings with registered investors.