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Study of Talazoparib in Combination With Chemotherapy in Relapsed Pediatric AML to Determine Safety and Efficacy

NCT05101551 · Status: RECRUITING · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 34

Last updated 2026-04-22

No results posted yet for this study

Summary

This is a Phase 1, open label, multicenter, dose finding study with dose expansion intended to evaluate the safety and tolerability of talazoparib in combination with conventional chemotherapy. Preliminary estimates of efficacy will be obtain through a dose expansion cohort receiving the maximum tolerated dose from the dose escalation phase of the study.

This study aims to determine the safety of talazoparib in combination with conventional chemotherapy and to establish the maximum tolerated dose of all 3 drugs when given in combination. A preliminary estimate of efficacy through a dose expansion phase is a secondary aim.

Conditions

Interventions

DRUG

Talazoparib

Talazoparib will be administered in escalating doses based on current dose level. * Dose Level 1: 400 µg/m2/dose once daily * Dose Level 2: 600 µg/m2/dose BID on Day 1, then daily on Days 2 to 5 * Dose Level 3: 600 µg/m2/dose BID on Day 1, then daily on Days 2 to 5 * Dose Level 4: 600 µg/m2/dose BID on Day 1, then daily on Days 2 to 5 * Dose Level 5: 600 ug/m2/dose BID on Day 1, then daily on Days 2 to 5 and 15 to19

DRUG

Topotecan

Administered IV route on Days 1 to 5 * Dose Level -2: 1 mg/m2/dose once daily by IV days 1 to 5 * Dose Level -1: 2 mg/m2/dose once daily by IV days 1 to 5 * Dose Level 1: 2 mg/m2/dose once daily by IV days 1 to 5 * Dose Level 2: 2 mg/m2/dose once daily by IV days 1 to 5 * Dose Level 3: 3 mg/m2/dose once daily by IV days 1 to 5 * Dose Level 4: 4 mg/m2/dose once daily by IV days 1 to 5 * Dose Level 5: 4 mg/m2/dose once daily by IV days 1 to 5

DRUG

Gemcitabine

Single dose (IV) of gemcitabine on Day 1 of each 28 day cycle for 1 cycle. * Dose Level -2: 600 mg/m2/dose once daily by IV days 1 * Dose Level -1: 600 mg/m2/dose once daily by IV days 1 * Dose Level 1: 1200 mg/m2/dose once daily by IV days 1 * Dose Level 2: 1200 mg/m2/dose once daily by IV days 1 * Dose Level 3: 1200 mg/m2/dose once daily by IV days 1 * Dose Level 4: 1200 mg/m2/dose once daily by IV days 1 * Dose Level 5: 1200 mg/m2/dose once daily by IV days 1

Sponsors & Collaborators

  • Gateway for Cancer Research

    collaborator OTHER

  • Norman J. Lacayo

    lead OTHER

Principal Investigators

  • Norman Lacayo, MD · Stanford Universiy

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Max Age
21 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2023-02-23
Primary Completion
2027-04-30
Completion
2027-04-30
FDA Drug
Yes

Countries

  • United States

Study Locations

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Entities

Drugs
Diseases

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 NCT05101551 on ClinicalTrials.gov