Under construction – not a live service
Sign in
Taking people in United StatesPhase 1

Tests ST-01156 in people with advanced solid tumors

Tests a new drug, ST-01156, in adults with advanced solid tumors and certain cancers.

Plain-language title generated from the registry record
Registry title: A Phase 1/1B Study of ST-01156, a Small Molecule RBM39 Degrader, in Patients With Advanced Solid Malignancies

Key facts

Where
Boston, Duarte, Houston, New York, and Newport Beach, United StatesSee the 6 sites
Phase
Phase 1

Where in United States

  • Dana-Farber Cancer InstituteBoston, United StatesTaking people
  • Mass General Brigham Cancer InstituteBoston, United StatesTaking people
  • The City of Hope National Medical CenterDuarte, United StatesTaking people
  • The University of Texas MD Anderson Cancer CenterHouston, United StatesTaking people
  • Memorial Sloan-Kettering Cancer CenterNew York, United StatesTaking people
  • Hoag Memorial HospitalNewport Beach, United StatesTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
SEED Therapeutics, Inc.
Trial code
NCT07197554
Record updated
27 October 2026
Original description
A Phase 1/1B Study of ST-01156 in Patients with Advanced Solid MalignanciesRead full original descriptionShow less

A Phase 1/1B Study of ST-01156, a Small Molecule RBM39 Degrader, in Patients With Advanced Solid Malignancies

A Phase 1/1B Study of ST-01156 in Patients with Advanced Solid Malignancies

Inclusion: Age ≥ 18 years on the day of signing the consent form, except for adolescents with Ewing Sarcoma or other malignancies for which there is a biological rationale to support participation, in which case the participant is ≥ 16 years old; Has a metastatic or locally advanced and unresectable solid tumor; Has at least 1 measurable lesion or evaluable disease per RECIST v1.1; Has an ECOG performance status ≤ 2 at screening; Has adequate organ function as defined in the protocol.

Exclusion: Has received prior radiotherapy within 2 weeks of treatment; Has known active CNS metastases and/or carcinomatous meningitis. Participants with previously treated brain metastases may participate, provided they are radiologically stable; Has received treatment with any local or systemic anticancer therapy or investigational anticancer agent within 14 days or 5 half-lives, whichever is shorter; Had major surgery within 28 days before study therapy administration; Has toxicities from previous anticancer therapies that have not resolved to baseline levels, with the exception of alopecia and peripheral neuropathy; Has previously received a RBM39 inhibitor/degrader.

ClinicalTrials.gov NCT07197554