On July 10, 2023 Starton Therapeutics Inc. ("Starton" or "the Company"), a clinical-stage biotechnology company focused on transforming standard-of-care therapies with proprietary continuous delivery technology, reported to have entered into a definitive agreement to conduct its Phase 1b trial in multiple myeloma with a global Clinical Research Organization (CRO) (Press release, Starton Therapeutics, JUL 10, 2023, View Source [SID1234633150]).
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This pilot, open-label study will evaluate patients treated with continuously delivered lenalidomide for safety and tolerability, immune biomarkers, and signals of efficacy. Transplant-ineligible multiple myeloma patients who are to receive lenalidomide/dexamethasone/bortezomib in their second- or greater-line of therapy, meet all other eligibility criteria and provide informed consent are eligible for the study. The study is expected to accrue patients in the United States in two centers over a period of 10 months and will provide readouts in the tolerability of the regimen, as well as the impact of continuous delivery on immune function by measuring biomarkers of T-cell, NK-cell, and B-cell upregulation, along with cytokine profiles induced by lenalidomide. It is also expected to provide signals of efficacy in assessing response rates, duration of response, progression-free survival, and changes in minimal residual disease.
"With our recently announced FDA authorization to proceed with the Phase 1b clinical trial of STAR-LLD in multiple myeloma, we are pleased to announce a CRO partner as we actively prepare to initiate this study," said Pedro Lichtinger, chairman and CEO of Starton Therapeutics. "STAR-LLD has the potential to bring much-needed innovation to the treatment of multiple myeloma, which under current therapeutic options presents deteriorating quality of life for patients. We are eager to evaluate the potential of STAR-LLD in this trial as a critical step towards delivering on our pipeline of transformative therapies using our continuous delivery technology."
Starton has signed an agreement for a business combination with Healthwell Acquisition Corp. I (Nasdaq: HWEL) ("Healthwell"). Please see "Additional Information and Where to Find It" below for additional information related to the proposed business combination.
About STAR-LLD
STAR-LLD is a continuous delivery lenalidomide in development to expand and replace the standard of care for the most common blood cancers, multiple myeloma and chronic lymphocytic leukemia (CLL). A preclinical proof-of-concept study for STAR-LLD demonstrated that MM tumors caused by human myeloma cells grew 25-fold if untreated, five-fold when treated with daily lenalidomide and shrank by 80% with STAR-LLD. The study also showed 100% efficacy (overall response rate ORR) at 144 mcg/day continuous LLD and 20% of animals in this cohort were tumor free after 100 days vs. 0% ORR with active control with daily pulsatile once daily dosing. In addition, a Phase 1 bioavailability study in healthy men comparing STAR-LLD to Revlimid demonstrated the drug is well tolerated and is >91% bioavailable by the subcutaneous route. It was also observed that the Cmax is <90% lower than oral Revlimid. These data support the safety of the planned Phase 1 dose of 400 mcg/hr (9.6 mg a day) versus a standard 25 mg a day dose of Revlimid.