Skip to content

A Randomized Open-Label, Phase 3 Study to Evaluate Imetelstat (GRN163L) Versus Best Available Therapy (BAT) in Patients with Intermediate-2 or High-risk Myelofibrosis (MF) Relapsed / Refractory (R/R) to Janus Kinase (JAK)-Inhibitor

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-509120-17-00
Acronym
GRN163LMYF3001
Enrollment
260
Registered
2024-03-19
Start date
2021-04-12
Completion date
Unknown
Last updated
2025-11-13

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

Conditions

Myelofibrosis

Brief summary

Overall survival (OS), defined as the time interval from randomization date to date of death from any cause.

Detailed description

Symptom response rate at Week 24 (defined as the proportion of patients who have ≥ 50% reduction in TSS at Week 24 from baseline as measured by the MFSAF v4.0), Progression-Free Survival, defined as the time interval from randomization date to the first date of disease progression (worsening splenomegaly or leukemic transformation per 2013 IWG-MRT criteria) or death from any cause, whichever occurs first., Spleen response rate at Week 24 (defined as the proportion of patients who achieve ≥ 35% reduction in spleen volume at Week 24 from baseline as measured by imaging scans). For additional secondary end points please refer to the study protocol.

Interventions

DRUG-

Sponsors

Geron Corp.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Overall survival (OS), defined as the time interval from randomization date to date of death from any cause.

Secondary

MeasureTime frame
Symptom response rate at Week 24 (defined as the proportion of patients who have ≥ 50% reduction in TSS at Week 24 from baseline as measured by the MFSAF v4.0), Progression-Free Survival, defined as the time interval from randomization date to the first date of disease progression (worsening splenomegaly or leukemic transformation per 2013 IWG-MRT criteria) or death from any cause, whichever occurs first., Spleen response rate at Week 24 (defined as the proportion of patients who achieve ≥ 35% reduction in spleen volume at Week 24 from baseline as measured by imaging scans). For additional secondary end points please refer to the study protocol.

Countries

Austria, Belgium, Bulgaria, Denmark, France, Germany, Hungary, Italy, Poland, Portugal, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026