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Imetelstat Combinations in Relapsed AML

NCT07320235 · Status: RECRUITING · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 36

Last updated 2026-04-22

No results posted yet for this study

Summary

IMAGINE is a two-part trial to evaluate the safety and preliminary efficacy of imetelstat in combination with azacitidine with or without venetoclax in patients with relapsed or refractory AML. The trial will consist of a safety run-in phase (Part A) employing a 3+3 design to monitor dose-limiting toxicities of imetelstat when administered in combination with a fixed dose of azacitidine. Part B will consist of a phase 1b trial employing a BOIN12 design to determine the optimal biological dose of imetelstat, starting at a lower dose level, in combination with azacitidine and venetoclax. Total of up to 36 participants will be accrued over 54 months at Mount Sinai Hospital. Estimated duration of trial is 114 months including recruitment, screening, treatment, and follow-up.

Conditions

  • Relapsed Acute Myeloid Leukemia

Interventions

DRUG

Imetelstat

Three 3 dose levels administered on Day 1 of each 28-day cycle for Safety Run-in Phase and optimal dose to be administered on Day 1 of each 28-day cycle

DRUG

Azacitidine

75mg/m2 IV or subcutaneous (SQ) once daily for Days 1 (+/- 1 day) through 7 (+/- 1 day) of each 28-day cycle. Azacitidine can be administered locally as long as documentation of administration is provided to the study team.

DRUG

Venetoclax

Venetoclax 400mg oral once daily for Days 1 (+/- 1 day) through 14 (+/- 1 day) of each 28-day cycle. Venetoclax reduced dosey should be substituted if concomitant posaconazole, or if other concomitant strong CYP3A4 inhibitor (e.g. voriconazole) or 200mg for moderate CYP3A4 inhibitor (e.g. isavuconazole). For Cycle 1, participants will receive a venetoclax ramp-up dose on day 1, day 2, and days 3-14 of venetoclax,. If the participant is being treated with concomitant posaconazole, or other concomitant strong CYP3A4 inhibitor, or with a concomitant moderate CYP3A4 inhibitor or a pg-p inhibitor, participants will receive a lower ramp-up dose on day 1, day 2, and days 3-14 of venetoclax.

Sponsors & Collaborators

  • Geron Corporation

    collaborator INDUSTRY

  • Douglas Tremblay

    lead OTHER

Principal Investigators

  • Douglas Tremblay, MD · Icahn School of Medicine at Mount Sinai

  • John Mascarenhas, MD · Icahn School of Medicine at Mount Sinai

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
SEQUENTIAL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-01-02
Primary Completion
2030-06-17
Completion
2035-06-15
FDA Drug
Yes

Countries

  • United States

Study Locations

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Entities

Drugs

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07320235 on ClinicalTrials.gov