Strand Therapeutics Inc.
Phase 1/2, Open-label, Multi-center, First-in-human Study of the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics and Anti-tumor Activity of STX-003 Delivered by Intravenous Injection in Patients with Advanced Solid Tumors as a Monotherapy or in Combination with Pembrolizumab.
This open-label, Phase 1/2, first-in-human (FIH), multiple ascending dose and dose expansion study involves STX-003 administration, alone or in combination with pembrolizumab, to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD), and preliminary antitumor activity in patients with advanced cancers. (Update after review)
Inclusion Criteria: * Inclusion Criteria (Phase 1 and Phase 2) 1. Mentally competent and able to understand and sign the ICF. 2. Tumor type for which there is an FDA-approved anti-PD-1/L1 antibody therapy, specifically including biomarker labeled subsets (i.e. PD-L1+) as well as anatomical subsets in some disease (cutaneous melanoma is eligible whereas acral, mucosal and uveal are not; Phase 1) and advanced cutaneous melanoma or PD-L1+ NSCLC. 3. Histologically or cytologically documented, locally advanced, or metastatic solid tumor. 4. At least one measurable lesion per RECIST v1.1 c…
STX-003 is a LNP formulated self-replicating mRNA encoding the therapeutic payload human IL-12 (hIL-12) with miRNA target sites to sense specific endogenous miRs.
Pembrolizumab (Keytruda USPI 2026) is a marketed PD-1 blocking humanized monoclonal IgG4 kappa antibody.
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