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Experimental drug cocktail targets relapsed leukemia

NCT ID NCT04666649

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early-stage trial tested a combination of two drugs, pegcrisantaspase and venetoclax, in 27 adults whose acute myeloid leukemia had come back or not responded to standard treatments. The main goal was to find safe doses and check for side effects. Researchers also looked at whether the treatment could lead to remission.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Pegcrisantaspase and venetoclax
What this could lead to
If successful, this combination could offer a new treatment option for patients with hard-to-treat acute myeloid leukemia.
What could go wrong
This is a very early Phase 1 trial with only 27 participants, focused on safety and dosing. It may not lead to an effective treatment, and side effects could be significant.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

27 people

The number who actually took part.

Started

Mar 2021

Finished

May 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * A histologically or pathologically confirmed diagnosis of AML based on 2016 WHO classification. Patients with Complex Karyotype AML (CK-AML) and TP53-mutated AML are eligible for this study. * AML has relapsed after or is refractory to, first-line therapy, with a maximum of three prior lines of therapy. Patients whose AML has FLT3 or IDH1/IDH2 mutations should have received at least one available FLT3 or IDH1/IDH2 inhibitors * Age 18 years and older * ECOG performance status ≤ 2 * Patients who have undergone allo-HSCT are eligible if they are ≥ 30 days post stem cell infusion, have no evidence of graft versus hose disease ( GVHD ) \> Grade 1, and are ≥ 10 days off all immunosuppressive therapy * Previous cytotoxic chemotherapy must have been completed at least 10 days prior to day 1 of treatment on the study and all AEs (excluding alopecia, acne, rash) due to agents administered earlier should have recovered to \< Grade 1. Patients with hematologic malignancies are expected to have hematologic abnormalities at study entry. These abnormalities which are thought to be primarily related to the underlying leukemia, are not considered to be toxicities (AE) and do not need to resolve to \< Grade 1 * All biologic agents including hematopoietic growth factors must have been stopped at least 1 week prior to day 1 of treatment on the study * Patients must have adequate organ function as defined below: * Direct bilirubin ≤2X the institutional upper limit of normal (ULN) (except in patients with leukemic infiltration of the liver) * AST(SGOT)/ALT(SGPT) ≤3X ULN (except if attributable to leukemic infiltration of the liver) * Alkaline phosphatase ≤5X ULN * Creatinine Clearance (CrCl) ≥ 45 mL/min (except in patients with evidence of tumor lysis syndrome) * Patients with a history of CNS leukemia must be stable with clear CSF for \> 2 months prior to day 1 of treatment (patient can receive intrathecal maintenance chemotherapy) * Female patients of childbearing potential must have a negative pregnancy test \<1 week prior to enrollment. Female patients of childbearing potential who are sexually active and male patients who are sexually active and have female partners of childbearing potential must agree to use highly effective method of contraception with their partners during exposure to study drugs and for 30 days after the last dose of study drugs. * Ability to understand and willingness to sign a written informed consent document. Exclusion Criteria: * Patients receiving any other investigational agents, or concurrent chemotherapy or immunotherapy * Patients with acute promyelocytic leukemia (APL) confirmed with t(15;17) (i.e. FAB subtype M3 and M3 variant) * Prior treatment with any asparaginase product. Patients who received ≤12 weeks of a BCL-2 inhibitor including venetoclax are eligible. * Absolute peripheral blast \> 100,000/μL. Hydroxyurea for blast count control is permitted before starting treatment and up to maximum of 10 days after starting treatment on the study. The decision to start hydroxyurea during this time is at the discretion of the treating physician. * Patients with the following clinical histories are excluded: * severe pancreatitis not related to cholelithiasis. Severe acute pancreatitis is defined by lipase elevation \>5X ULN and with signs or symptoms * unprovoked deep venous thrombosis (DVT) * pulmonary emboli * hemorrhagic or thromboembolic stroke * other malignancies requiring systemic chemotherapy, immunotherapy or targeted therapy in the last three months * Active, uncontrolled infection; patients with infection under active treatment and controlled with antibiotics are eligible * Uncontrolled intercurrent illness including, but not limited to, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that per site Principal Investigator's judgment would limit compliance with study requirements * Pregnant women and female patients who are lactating and do not agree to stop breast- feeding. * Uncontrolled active seizure * Any other clinical conditions that in the opinion of the investigator would make the subject unsuitable for the study

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Greenebaum Cancer Center at University of Maryland Medical Center

    Baltimore, Maryland, 21201, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.