Sonnet BioTherapeutics Announces First Patient Dosed in Phase 1 Clinical Trial of SON-1010 for Advanced Solid Tumors
Sonnet BioTherapeutics Holdings (NASDAQ:SONN) announced the initiation of a Phase 1 clinical trial for SON-1010 (IL12-FHAB) in adult patients with advanced solid tumors. This trial aims to evaluate the safety, tolerability, and pharmacokinetics of SON-1010. The FHB technology targets tumors, potentially enhancing the efficacy and safety of immunotherapy. The trial, employing a 3+3 design, seeks to establish the maximum tolerated and recommended doses. Dr. Richard Kenney expressed optimism about the potential of SON-1010 to improve cytokine immunotherapy outcomes.
- Phase 1 trial for SON-1010 initiated, a significant milestone.
- SON-1010 utilizes the FHAB technology, potentially improving safety and efficacy.
- Initial dosing in patients suggests progress towards addressing unmet medical needs in cancer treatment.
- None.
PRINCETON, NJ / ACCESSWIRE / April 13, 2022 / Sonnet BioTherapeutics Holdings, Inc., (NASDAQ:SONN) a clinical-stage company developing targeted immunotherapeutic drugs, announced today that dosing has been initiated in a Phase 1 clinical trial of SON-1010 (IL12-FHAB) in adult patients with advanced solid tumors.
SON-1010 is a proprietary version of human Interleukin 12 (IL-12), configured using Sonnet's Fully Human Albumin Binding (FHAB™) platform. The FHAB technology targets tumor and lymphatic tissue, providing a mechanism for dose sparing and an opportunity to improve the safety and efficacy profile of not only IL-12, but a variety of potent immunomodulators.
"We are excited to have dosed the first patient in our trial and to have initiated this novel approach to enhance the safety of cytokine immunotherapy," said Richard Kenney, M.D., Sonnet's Chief Medical Officer. "Cytokines have shown great promise in animal models of cancer treatment for several decades, yet the developmental progress in human trials has typically been frustrated by toxicity before the therapeutic dose can be reached. Targeting the tumor by linking an albumin-binding domain, which also extends the cytokine half-life in the body, may be the key to inducing a successful local immune response in the tumor microenvironment."
Interleukin 12 can orchestrate a robust immune response to many cancers and pathogens. Given the types of proteins induced, non-small cell lung cancer, melanoma, head and neck cancer, sarcoma and several gynecological cancers are particularly relevant for this approach.
"As Sonnet's first FHAB candidate to be dosed in a patient, this SON-1010 milestone represents a significant step forward in our full-spectrum approach to immunotherapy," said Pankaj Mohan, Ph.D., Sonnet Founder and Chief Executive Officer. Dr. Sant Chawla, the Principal Investigator at Sarcoma Oncology Center added, "This Phase 1 clinical trial will carefully assess the safety, tolerability, pharmacokinetics (PK) and pharmacodynamics (PD) of SON-1010. Despite recent progress in immunotherapy, there continues to be a large unmet medical need in cancer. We are very pleased to be part of this study, as our clinic treats patients with several different types of tumors that could benefit from this approach."
About the SB101 Phase 1 Trial
This first-in-human study is primarily designed to evaluate the safety of multiple ascending doses of SON-1010 and will be conducted at several sites across the United States. While the optimal dose is unknown at this stage, the potential to target tumors, the extended PK mechanism, and our preclinical data suggest the therapeutic dose may be lower compared to native human IL-12. The study, utilizing a standard 3+3 oncology design in at least five cohorts, should establish the maximum tolerated dose (MTD) and recommended Phase 2 dose (RP2D) using monthly subcutaneous injections of SON-1010. The primary endpoint explores the safety and tolerability of SON-1010, with key secondary endpoints intended to measure PK, PD, immunogenicity and anti-tumor activity. This study will form the basis for potential combinations with other types of immunotherapies and the future development of bispecific candidates using the FHAB platform.
About Sonnet BioTherapeutics Holdings, Inc.
Sonnet BioTherapeutics is an oncology-focused biotechnology company with a proprietary platform for innovating biologic drugs of single or bispecific action. Known as FHAB (Fully Human Albumin Binding), the technology utilizes a fully human single chain antibody fragment (scFv) that binds to and "hitch-hikes" on human serum albumin (HSA) for transport to target tissues. Sonnet's FHAB was designed to specifically target tumor and lymphatic tissue, with an improved therapeutic window for optimizing the safety and efficacy of immune modulating biologic drugs. FHAB is the foundation of a modular, plug-and-play construct for potentiating a range of large molecule therapeutic classes, including cytokines, peptides, antibodies and vaccines.
Forward-Looking Statements
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Sonnet Biotherapeutics Investor Contact
Michael V. Morabito, Ph.D.
Solebury Trout
917-936-8430
mmorabito@soleburytrout.com
SOURCE: Sonnet BioTherapeutics, Inc.
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