A phase I-II open label study of PTX-200 in combination with cytarabine in the treatment of relapsed or refractory acute leukemia.



Eligible Ages
Over 18 Years
Eligible Genders
Accepts Healthy Volunteers

Inclusion Criteria

  • Pathologic confirmation of the diagnosis of AML, ALL (acute lymphoblastic leukemia), or blast-phase CML (chronic myelogenous leukemia) - Age ≥ 18 years - ECOG Performance Status 0-2 - Patients must be able to give adequate informed consent

Exclusion Criteria

  • Hyperleukocytosis with ≥ 30,000 leukemic blasts/µL blood (hydroxyurea permitted up to 24 hours prior to beginning study drugs) - Uncontrolled Disseminated Intravascular Coagulation (DIC) - Uncontrolled diabetes mellitus - Active, uncontrolled infection

Study Design

Phase 1/Phase 2
Study Type
Intervention Model
Single Group Assignment
Primary Purpose
None (Open Label)
Masking Description
Open Label

Arm Groups

ArmDescriptionAssigned Intervention
PTX-200 and cytarabine
PTX-200 administered intravenously over 1 hour Phase I: 4 dose levels: 25 to 55 mg/m2 (with reduction to 15 mg/m2 if needed. Phase II: maximum tolerated dose. given as a 1 hour infusion Cytarabine administered by continuous infusion at a dose of 400 mg/m2/day for 4 days.
  • Drug: PTX-200
    During the Phase I study, increasing dose levels of PTX-200 will be administered as an intravenous infusion on Day 1 each cycle. Triciribine will be infused over 1 hour on Day 1 of each 21 day cycle. The initial dose level will be 25 mg/m2 and each dose level will be increased by 10 mg/m2 to a maximum dose of 55 mg/m2
    Other names:
    • Triciribine Phosphate Monohydrate
  • Drug: Cytarabine
    Cytarabine will be given at a dose of 400 mg/m2 as a continuous IV infusion on days 3-7 of each cycle.
    Other names:
    • Ara-C

Recruiting Locations

University of Kansas Cancer Center
Fairway, Kansas 60069
Emily Kelly

More Details

Prescient Therapeutics, Ltd.

Study Contact

Claudia Gregorio-King

Detailed Description

Study design: Phase I/II study The Phase I study is open-label with four increasing dose levels for up to four 21-day cycles. Safety and activity will be evaluated at the end of each cycle. The Phase II study is open label with administration of the recommended phase dose of PTX-200 for up to four 21-day cycles. PTX-200 will be co-administered with cytarabine in both the Phase I and Phase II parts of the study.


Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.