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Completed

NCT Number: NCT02835729

A Study of Indoximod in Combination With (7+3) Chemotherapy in Patients With Newly Diagnosed Acute Myeloid Leukemia

The purpose of this study is to characterize the regimen limiting toxicities (RLT) and recommended Phase 2 dose (RP2D) of indoximod in patients with newly diagnosed AML receiving remission induction chemotherapy with cytarabine and idarubicin.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Augusta University, Augusta, Georgia, United States

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • A histologically or pathologically confirmed diagnosis of AML based on WHO classification with or without extramedullary disease except for central nervous system disease.
  • ECOG performance status ≤ 2
  • Left ventricular ejection fraction (LVEF) ≥ 50%
  • Female patients of childbearing potential must have a negative pregnancy test < 1 week prior to enrollment.
  • Ability to understand and willingness to sign a written informed consent document.

Exclusion criteria

  • Patients receiving any other investigational agents or immunotherapy
  • Patients who have received prior chemotherapy for AML with the exception of hydroxyurea or leukapheresis for leukocytosis; prior hypomethylating or immunomodulatory agents for MDS are allowed
  • Previous allo-HSCT of any kind
  • Active, uncontrolled infection including known hepatitis B or C
  • Active autoimmune disease and chronic inflammatory conditions requiring concurrent use of any systemic immunosuppressants or steroids.
  • History of any other active cancer diagnosis
  • Pregnant women
  • Known HIV-infected patients

Treatment and study plan

Idarubicin

Drug

Chemotherapy

Cytarabine

Drug

Chemotherapy

Indoximod Freebase

Drug

IDO pathway inhibitor

Indoximod HCL F1

Drug

IDO pathway inhibitor

Indoximod HCL F2

Drug

IDO pathway inhibitor

Primary outcomes

  1. Safety assessed by development of RLT, AEs and laboratory parameters of indoximod.

    Time frame: 6 months

    Phase 1

  2. Comparison of serum concentrations (Cmax/Steady State) of indoximod freebase and indoximod salt formulation.

    Time frame: 6 months

    Phase 1

Secondary outcomes

  1. Measurable Residual Disease Rate

    Time frame: 2 years

  2. Clinical response rate

    Time frame: 2 years

  3. Duration of complete response

    Time frame: 2 years

  4. Event free survival

    Time frame: 2 years

    Time on study to induction failure, relapse or death

  5. Cumulative incidence of relapse (CIR)

    Time frame: 2 years

  6. Overall survival (OS)

    Time frame: 2 years

  7. Proportion of AML patients who become eligible for bone marrow transplantation

    Time frame: 2 years

  8. Frequency and severity of adverse events

    Time frame: 2 years

  9. Pharmacokinetics: Serum concentrations (Cmax/Steady State)

    Time frame: 6 months

    Characterize the pharmacokinetics (PK) of indoximod, idarubicin and cytarabine through analysis of blood samples

Other outcomes

  1. Serum kynurenine and tryptophan levels

    Time frame: 2 years

    Characterize the pharmacodynamic (PD) effect of indoximod

  2. IDO expression by immunohistochemistry in diagnostic and follow-up bone marrow biopsy specimens

    Time frame: 2 years

  3. IDO protein and mRNA expression in diagnostic and follow-up bone marrow aspirate samples

    Time frame: 2 years

  4. Methylation status of the IDO promoter in diagnostic and follow up bone marrow aspiration samples

    Time frame: 2 years

Sponsors and collaborators

Lead sponsor

NewLink Genetics Corporation

Industry

Registry information

Official study title

A Phase 1 Trial of Indoximod in Combination With Idarubicin and Cytarabine in Patients With Newly Diagnosed Acute Myeloid Leukemia (AML)

Important dates

Study start
2016
Primary completion
2019
Study completion
2019
First posted
Jul 18, 2016
Registry last updated
Jun 4, 2020

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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