Recent Updates
Recently added Catalysts

ST-01156

Phase 1

Advanced Solid Tumors | Small molecule | Oncology |BeyondSpring, Inc.|Last Updated: Feb 18, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment171
FDA Designations
ORPHAN_DRUGBREAKTHROUGH_THERAPY
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07197554A Phase 1/1B Study of ST-01156, a Small Molecule RBM39 Degrader, in Patients With Advanced Solid MalignanciesPHASE1 RECRUITING 171Dec 1, 2025Dec 31, 2029Feb 18, 20266 United States
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Part 1: Dose Escalation
First 28 days of treatment

To characterize the safety, tolerability, and adverse event (AE) profile of escalating doses of ST-01156 administered for 5 consecutive days followed by 2 days without study drug administration every 7 days, with a cycle defined as 28 days (4 weeks).

Secondary Endpoints
Part 1: Dose Escalation
First 28 days of treatment
Unlock Study Endpoints
Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Dose EscalationEXPERIMENTALST-01156, administered orally once daily for 5 consecutive days followed by 2 days without study drug administration every 7 days
Interventions
NameTypeDescription
ST-01156DRUGST-01156 is an orally administered degrader of RBM39, a protein frequently upregulated in cancer
Unlock Study Design Details
Eligibility Criteria
Age Range16 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites6

Inclusion Criteria: * 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 an...

Countries:United States
Unlock Eligibility Criteria
Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07197554primaryCompletionDate: changed
LOWMay 24, 2026NCT07197554studyFirstPostDate: changed