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Study identifier: NCT06975293 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

STC-15 as a Part of Combination Therapy With Toripalimab in Selected Advanced Cancers and as Monotherapy in Participants With Selected Sarcomas

Condition: Solid Tumor · Sarcoma · Leiomyosarcoma  ·  Sponsor: STORM Therapeutics LTD

PhasePhase 1/Phase 2
Planned participants107
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

This early phase oncology trial will be conducted at various study centers to investigate the safety, tolerability, and antitumor activity of STC-15 (a METTL3 inhibitor) in combination with toripalimab (anti- programmed cell death 1 \[PD-1\]) in advanced unresectable or metastatic tumors. The Phase 2 Monotherapy part is an open-label, non-randomized, multicenter Simon's 2-stage design that investigates the safety, tolerability, and antitumor activity of STC-15 in participants with selected, relapsed sarcomas subtypes, dedifferentiated (DD) liposarcoma and leiomyosarcoma (uterine and non-uterine).

This description comes directly from the study's public registry record.

Talk to the study team

Sandra Tong, MD  ·  650-399-6357  ·  sandy.tong@stormtherapeutics.com

Melinda Snyder  ·  617-233-4057  ·  melinda.snyder@stormtherapeutics.com

Always discuss trial participation with your own doctor first.

Locations (9)

University of California, San FranciscoSan Francisco, California, United StatesRecruiting
Dana Farber Cancer InstituteBoston, Massachusetts, United StatesRecruiting
Northwell Health Cancer InstituteLake Success, New York, United StatesRecruiting
MD Anderson Cancer CenterHouston, Texas, United StatesNot Yet Recruiting
NEXT HoustonHouston, Texas, United StatesRecruiting
NEXT DallasIrving, Texas, United StatesRecruiting
NEXT OncologySan Antonio, Texas, United StatesRecruiting
The START CenterSan Antonio, Texas, United StatesRecruiting
NEXT OncologyFairfax, Virginia, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT06975293