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A Phase 3, Randomized, Multicenter, Open-Label Study of IDRX-42 (GSK6042981) versus Sunitinib in Participants with Metastatic and/or Unresectable Gastrointestinal Stromal Tumors (GIST) after Imatinib Therapy (StrateGIST 3)

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-522229-37-00
Enrollment
3
Registered
2026-02-06
Start date
Unknown
Completion date
Unknown
Last updated
2026-02-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Gastrointestinal Neoplasms

Brief summary

Progression-Free Survival (PFS)

Detailed description

Overall Survival (OS), Progression-Free Survival (PFS), as assessed by the investigator, Confirmed Overall Objective Response Rate (ORR), Time to Response (TTR), Time from initial study randomization to second disease progression or death after starting the next line of treatment (PFS2), Change From Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire 30-item Core Module (EORTC QLQ-C30), Time To Confirmed Deterioration (TTCD), Plasma concentrations of IDRX-42 (GSK6042981), Number of Participants with Treatment Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs), Number of Participants with TEAEs and SAEs by severity, Number of Participants with dose reductions, interruptions and discontinuation of study treatment due to toxicity, Number of participants with symptomatic adverse events (AEs), by severity, as measured by the Patient-reported outcome Common Terminology Criteria for Adverse Events (PRO-CTCAE), Number of participants with bothersome AEs/tolerability as measured by the Functional Assessment of Cancer Therapy - General (FACT-GP5)

Interventions

DRUGSunitinib Malate

Sponsors

Glaxosmithkline Research & Development Limited
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Progression-Free Survival (PFS)

Secondary

MeasureTime frame
Overall Survival (OS), Progression-Free Survival (PFS), as assessed by the investigator, Confirmed Overall Objective Response Rate (ORR), Time to Response (TTR), Time from initial study randomization to second disease progression or death after starting the next line of treatment (PFS2), Change From Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire 30-item Core Module (EORTC QLQ-C30), Time To Confirmed Deterioration (TTCD), Plasma concentrations of IDRX-42 (GSK6042981), Number of Participants with Treatment Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs), Number of Participants with TEAEs and SAEs by severity, Number of Participants with dose reductions, interruptions and discontinuation of study treatment due to toxicity, Number of participants with symptomatic adverse events (AEs), by severity, as measured by the Patient-reported outcome Common Terminology Criteria for Adverse Events (PRO-CTCAE), Number of participa

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 7, 2026