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A Phase Ib/II Study of APG-115 as a Monotherapy or in Combination with Pembrolizumab in Patients with Unresectable or Metastatic Melanomas or Advanced Solid Tumors
Part 1 (Phase Ib): To determine the safety and ability for subjects to tolerate APG-115 when combined with pembrolizumab, as well as the maximum tolerated dose in subjects with metastatic melanomas or solid tumors. Part 2 (Phase II): To determine the overall response rate of APG-115 when combined with pembrolizumab in the treatment of patients with unresectable or metastatic melanomas. To assess APG-115 as a monotherapy in patients with unresectable or metastatic melanomas and MPNST cohorts only.
If you are eligible and agree to receive the study drug combination, you will need to come to the study site at various times to have procedures done. These procedures may include collection of vital signs, blood and urine samples, electrocardiogram, physical exam, tumor biopsy, imaging scans, and x-ray. At each visit, you will be asked about your current medicines, including over-the-counter medications, and about any symptoms or side effects you might be having. You will receive the study drug orally on Days 1, 3, 5, 7, 9, 11, 13 of every 21-day cycle. Pembrolizumab is given as a 30-minute intravenous (IV – through a needle into a vein) infusion on Day 1 of every 21-day cycle.
Histologically confirmed, unresectable or metastatic melanoma, and refractory or relapse after PD1 antibody treatment and ineligible for other standard of care therapy
ECOG Performance scale of 0-2
Life expectancy of equal to or greater than 3 months
Adequate bone marrow and organ functionAdequate
Prior loco-regional treatment with intralesional therapy (e.g. talimogene laherparepvec) for unresectable or metastatic melanoma in the last 6 months prior to start of study treatment.
Received hormonal and biologic (<1 half-lives), small molecule targeted therapies or other anti-cancer therapy within 21 days prior to first dose Radiation or surgery within 14 days of study entry, thoracic radiation within 28 days prior to first dose.
Has known active central nervous (CNS) metastases and/or carcinomatous meningitis. Or has neurologic instability per clinical evaluation due to tumor involvement of the CNS.
Requirement for corticosteroid treatment, with the exception of megestrol, local use of steroid: i.e.: topical corticosteroids, inhaled corticosteroids for reactive airway disease, ophthalmic, intraarticular, and intranasal steroids.