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NCT06456463Active, not recruitingPhase 2

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

A Phase II Multicenter Open-label Trial of Tagraxofusp (Tag) in Combination With Venetoclax and Azacitidine (Ven/Aza) in Adults With Previously Untreated CD123+ Acute Myeloid Leukemia (AML) Who Are Ineligible for Intensive Chemotherapy

Source: ClinicalTrials.gov · Last updated 6 Aug 2026

Brief summary (registry, in English)

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.

Status (registry)
Active, not recruiting
Phase (registry)
Phase 2
Study type
Interventional
Enrollment
85 (actual)
First submitted
31 May 2024
Start date
14 Jan 2025
Primary completion date
9 Feb 2028
Lead sponsor
Stemline Therapeutics, Inc.
NCT number
NCT06456463
EudraCT number
2024-514660-48

What you commit to

  • Study type: Interventional · Phase 2
  • Participants enrolled: 85
  • From 14 Jan 2025 to the primary completion date, 9 Feb 2028
  • 32 sites in 2 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Participant has received prior therapy for AML.
  • Participant is willing and able to receive standard induction therapy.
  • Participant has received treatment for an antecedent hematologic disease with a hypomethylating agent, venetoclax, tagraxofusp, purine analogue, cytarabine, intensive chemotherapy, SCT, chimeric antigen receptor-T therapy, or other experimental therapies.

Other

  • Participant has AML with central nervous system involvement.
    • Note: Other inclusion/exclusion criteria may apply.

Who the study is looking for

  • Previously untreated with histological confirmation of AML by World Health Organization 2022 criteria and are ineligible for treatment with a standard cytarabine and anthracycline induction regimen due to age, or comorbidity.
  • Participant has any level of CD123 expression on blasts.
  • Participants must be considered ineligible for intensive chemotherapy, defined by the following:
    • ≥75 years of age; or
    • ≥18 to 74 years of age with at least 1 of the following:
    • Eastern Cooperative Oncology Group (ECOG) performance status of 2 or 3.
    • Diffusing capacity of the lung for carbon monoxide of ≤65% or forced expiratory volume in 1 second ≤65%.
    • Baseline creatinine clearance ≥30 to \<45 milliliters/minute calculated by the Cockcroft Gault formula or measured by 24-hour urine collection.
    • Hepatic disorder with total bilirubin \>1.5 x upper limit of normal.
    • Any other condition for which the physician judges the participant to be unsuitable for intensive chemotherapy.
  • ECOG performance status:
    • 0 to 2 for participants ≥75 years of age, or
    • 0 to 3 for participants ≥18 to 74 years of age.

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (32)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Royal Adelaide Hospital
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AdelaideAustraliaUnknown status
Box Hill Hospital
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Box HillAustraliaUnknown status
Monash Medical Centre
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ClaytonAustraliaUnknown status
Concord Repatriation General Hospital
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ConcordAustraliaUnknown status
Townsville Hospital
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DouglasAustraliaUnknown status
St Vincents Hospital
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FitzroyAustraliaUnknown status
Austin Hospital
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HeidelbergAustraliaUnknown status
Royal Perth Hospital
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PerthAustraliaUnknown status
Massachusetts General Hospital
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BostonUnited StatesUnknown status
Beth Israel Deaconess Medical Center
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BostonUnited StatesUnknown status
Dana-Farber Cancer Institute (DFCI)
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BostonUnited StatesUnknown status
Roswell Park Cancer Institute
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BuffaloUnited StatesUnknown status
Novant Health Presbyterian Medical Center
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CharlotteUnited StatesUnknown status
University of Chicago
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ChicagoUnited StatesUnknown status
Cleveland Clinic Foundation
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ClevelandUnited StatesUnknown status
Baylor Scott & White Health
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DallasUnited StatesUnknown status
Henry Ford Health System Brigitte Harris Cancer Pavillion
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DetroitUnited StatesUnknown status
John Theurer Cancer Center/ Hackensack Meridian Health
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HackensackUnited StatesUnknown status
University of Texas - MD Anderson Cancer Center
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HoustonUnited StatesUnknown status
University of California, Los Angeles
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Los AngelesUnited StatesUnknown status
North Shore University Hospital
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ManhassetUnited StatesUnknown status
University of Miami
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MiamiUnited StatesUnknown status
Tennessee Oncology
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NashvilleUnited StatesUnknown status
Sarah Cannon, the Cancer Institute of HCA Healthcare
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NashvilleUnited StatesUnknown status
Rutgers Cancer Institute
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New BrunswickUnited StatesUnknown status
NYU Langone Health
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New YorkUnited StatesUnknown status
Columbia University Irving Medical Center
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New YorkUnited StatesUnknown status
AdventHealth Cancer Institute
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OrlandoUnited StatesUnknown status
Sydney Kimmel (Thomas Jefferson University)
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PhiladelphiaUnited StatesUnknown status
Stanford Health Care
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StanfordUnited StatesUnknown status
Washington University, Siteman Cancer Center
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St LouisUnited StatesUnknown status
Novant Health Derrick L Davis Cancer Center
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Winston-SalemUnited StatesUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.