Pegcrisantaspase in Combination With Venetoclax for Treatment of Relapsed or Refractory Acute Myeloid Leukemia (R/R AML)

April 4, 2024 updated by: Vu Duong, University of Maryland, Baltimore

Pegcrisantaspase in Combination With Venetoclax for Treatment of Relapsed or Refractory Acute Myeloid Leukemia

Evaluate the safety and tolerability of pegcrisantaspase in combination with venetoclax (Ven-PegC) and estimate the maximum tolerated doses and/or biologically active doses of Ven-PegC in patients with relapsed or refractory acute myeloid leukemia (R/R AML)

Study Overview

Status

Active, not recruiting

Conditions

Intervention / Treatment

Detailed Description

This research study is a non-randomized, open-label Phase Ib clinical trial evaluating venetoclax (Ven) administered orally daily in combination with pegcrisantaspase (PegC) administered IV biweekly, as part of a 28-day treatment cycle in adult subjects with relapsed or refractory acute myeloid leukemia (R/R AML).

The trial will consist of dose escalation to evaluate the safety and tolerability of Ven-PegC and estimate the maximum tolerated doses (MTDs) and/or biologically active doses (e.g. recommended phase 2 doses [RP2Ds]) of Ven-PegC in patients with R/R AML

Venetoclax is an FDA (the U.S. Food and Drug Administration) approved drug, but this combination ( Ven-PegC) has not been approved by the FDA.

Study Type

Interventional

Enrollment (Actual)

27

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Maryland
      • Baltimore, Maryland, United States, 21201
        • Greenebaum Cancer Center at University of Maryland Medical Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Sequential Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Cohort 400mg of Venetoclax, 500 IU/m ² of Pegcrisantaspase
The subject will take 400mg of Venetoclax every day as a pill by mouth and a dose of 500 IU/m ² of Pegcrisantaspase in an IV every 14 days ( per cycle)
Drug: Venetoclax and pegcrisantaspase
Therapeutic
Experimental: Cohort 400mg of Venetoclax, 750 IU/m ² of Pegcrisantaspase
The subject will take 400mg of Venetoclax every day as a pill by mouth and a dose of 750 IU/m ² of Pegcrisantaspase in an IV every 14 days ( per cycle)
Drug: Venetoclax and pegcrisantaspase
Therapeutic
Experimental: Cohort 400mg of Venetoclax, 1000 IU/m² of Pegcrisantaspase
The subject will take 400mg of Venetoclax every day as a pill by mouth and a dose of 1000 IU/m² of Pegcrisantaspase in an IV every 14 days ( per cycle)
Drug: Venetoclax and pegcrisantaspase
Therapeutic
Experimental: Cohort 600mg Venetoclax, 1000 IU/m ² of Pegcrisantaspase
The subject will take 600mg of Venetoclax every day as a pill by mouth and a dose of 1000 IU/m ² of Pegcrisantaspase in an IV every 14 days ( Per cycle)
Drug: Venetoclax and pegcrisantaspase
Therapeutic

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Incidence of regimen limiting toxicities (RLTs)
Time Frame: One year (after 12 cycle's treatment)
The period for determination of RLT will be from the first day of treatment until 30 days after receiving the first dose of Ven-PegC.
One year (after 12 cycle's treatment)
Incidence of treatment-emergent adverse events (TEAE)
Time Frame: One year (after 12 cycle's treatment)
The period for determination of TEAE will be from the first day of treatment until 30 days after receiving the first dose of Ven-PegC.
One year (after 12 cycle's treatment)

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
The rate of CR
Time Frame: One year (after 12 cycle's treatment)
Complete Remission rate
One year (after 12 cycle's treatment)
The rate of composite complete remission (CR+CRh+CRi+CRp)
Time Frame: One year (after 12 cycle's treatment)
The rate of Complete Remission rate, Complete Remission with Partial hematological recovery, Complete Remission with incomplete hematological recovery and Complete Remission with incomplete platelet recovery.
One year (after 12 cycle's treatment)
Event-free Survival (EFS)
Time Frame: One year (after 12 cycle's treatment)
Event-free Survival (EFS)
One year (after 12 cycle's treatment)
Overall Survival (OS)
Time Frame: One year (after 12 cycle's treatment)
Overall Survival (OS)
One year (after 12 cycle's treatment)
The rate of conversion from transfusion dependence to transfusion independence
Time Frame: One year (after 12 cycle's treatment)
The rate of conversion from transfusion dependence to transfusion independence
One year (after 12 cycle's treatment)
The rate of proceeding to allogeneic hematopoietic stem cell transplantation (allo-HSCT) after administration of Ven-PegC
Time Frame: One year (after 12 cycle's treatment)
The rate of proceeding to allogeneic hematopoietic stem cell transplantation (allo-HSCT) after administration of Ven-PegC
One year (after 12 cycle's treatment)
Achievement of MRD <0.02% within 2 cycles of treatment with Ven-PegC
Time Frame: Two months
Achievement of Minimal Residual Disease <0.02% within 2 cycles of treatment with Ven-PegC
Two months
Overall incidence and severity of AEs
Time Frame: One year (after 12 cycle's treatment)
Overall incidence and severity of Adverse Events
One year (after 12 cycle's treatment)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Maryland, Baltimore

Investigators

  • Principal Investigator: Vu Duong, MD, University of Maryland, Baltimore

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

March 10, 2021

Primary Completion (Estimated)

September 1, 2024

Study Completion (Estimated)

September 1, 2025

Study Registration Dates

First Submitted

December 7, 2020

First Submitted That Met QC Criteria

December 7, 2020

First Posted (Actual)

December 14, 2020

Study Record Updates

Last Update Posted (Actual)

April 8, 2024

Last Update Submitted That Met QC Criteria

April 4, 2024

Last Verified

April 1, 2024

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2087GCCC ; HP-00093729

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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