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Study identifier: NCT02598661 Synced from ClinicalTrials.gov · August 06, 2026
● Study status: Active Not Recruiting

Study to Evaluate Imetelstat (GRN163L) in Participants With International Prognostic Scoring System (IPSS) Low or Intermediate-1 Risk Myelodysplastic Syndrome (MDS)

Condition: Myelodysplastic Syndromes  ·  Sponsor: Geron Corporation

PhasePhase 2/Phase 3
Planned participants289
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

The purpose of this study is to evaluate the efficacy and safety of imetelstat sodium in transfusion-dependent participants with low or intermediate-1 risk myelodysplastic syndrome (MDS) that is relapsed/refractory to erythropoiesis-stimulating agent (ESA) treatment in Phase 2 study and to compare the efficacy, in terms of red blood cell (RBC) transfusion independence (TI), of imetelstat sodium to placebo in transfusion-dependent participants with low or intermediate-1 risk MDS that is relapsed/refractory to ESA treatment in Phase 3 study. A separate Ventricular Repolarization Substudy (QTc Substudy) will evaluate the effect of imetelstat sodium on ventricular repolarization. An Extension Phase has been included to allow continued treatment for those participants who are benefitting from imetelstat sodium and to continue to evaluate the long-term safety, overall survival (OS), and disease progression, including progression to acute myeloid leukemia (AML) in transfusion-dependent participants with low or immediate-1 risk MDS that is relapsed/refractory to ESA treatment.

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

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No contact information is available for this study as per the public registry record.

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Locations (126)

UAB Comprehensive Cancer CenterBirmingham, Alabama, United States
Acrc/Arizona Clinical Research, Inc.Tucson, Arizona, United States
CBCC Global Research, Inc.Bakersfield, California, United States
UCLA Ronald Regan Medical CenterLos Angeles, California, United States
Yale-New Haven Hospital (YNHH) - Smilow Cancer HospitalNew Haven, Connecticut, United States
BRCR Medical CenterPlantation, Florida, United States
University of South Florida (USF) - H. Lee Moffitt Cancer CenterTampa, Florida, United States
Franciscan HealthIndianapolis, Indiana, United States
St. Agnes Healthcare, IncBaltimore, Maryland, United States
Center for Cancer and Blood DisordersBethesda, Maryland, United States
Washington University School of MedicineSt Louis, Missouri, United States
University of New Mexico Cancer CenterAlbuquerque, New Mexico, United States

+ 114 more locations — full list on the registry record.

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