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A Study of Tagraxofusp in Combination With Venetoclax and Azacitidine in Adults With Untreated CD123+ Acute Myeloid Leukemia Who Cannot Undergo Intensive Chemotherapy

NCT06456463 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 83

Last updated 2026-03-09

No results posted yet for this study

Summary

This study will be divided into 2 parts (Part 1 and Part 2). Part 1 will evaluate 2 doses of tagraxofusp (9 and 12 micrograms/kilogram/day \[μg/kg/day\]), used in combination with venetoclax and azacitidine, to determine the dose for Part 2. This determined dose, in combination with venetoclax and azacitidine, will then be further evaluated in Part 2 in 2 cohorts (TP53 mutated and TP53 wild type). Both parts will be conducted in participants with previously untreated CD123+ AML who are ineligible for intensive chemotherapy.

Conditions

Interventions

DRUG

Tagraxofusp

Tagraxofusp will be administered by intravenous infusion for 3 consecutive days during each 28-day cycle.

DRUG

Venetoclax

Venetoclax will be administered as an oral tablet (400 milligrams \[mg\]) daily, with ramp up in Cycle 1, and should be continued at target dose (400 mg) for the remainder of Cycle 1 and subsequent cycles of 28 days each.

DRUG

Azacitidine

Azacitidine will be administered subcutaneously or by intravenous infusion (75 milligrams/square meter) over 7 days of each 28-day cycle, per institutional guidelines/physician choice.

Sponsors & Collaborators

  • Stemline Therapeutics, Inc.

    lead INDUSTRY

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
SEQUENTIAL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-01-14
Primary Completion
2028-02-09
Completion
2030-02-11
FDA Drug
Yes

Countries

  • United States
  • Australia

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 NCT06456463 on ClinicalTrials.gov