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Completed

NCT Number: NCT03564288

Study to Find a Safe and Effective Dose of SKI-G-801 in the Treatment of Patients With Acute Myeloid Leukemia (AML)

This Phase I study is designed to assess the safety, tolerability, pharmacokinetics and anti-tumor effect of increasing doses of study drug SKI-G-801 in patients with relapsed or refractory Acute Myeloid Leukemia (AML) who are unresponsive to currently available therapies. Eligible participants will receive cycles of treatment involving IV infusion of SKI-G-801 daily for 14 days followed by 14 days off. Treatment cycles will be repeated until progressive disease or unacceptable toxicity.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

USC Norris Comprehensive Cancer Center, Clinical Investigations Support Office (CISO), 1441 Eastlake Ave., Rm. 7327, Los Angeles, California, 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

  • Willing and able to provide written informed consent for participation, prior to completing any study-related procedures.
  • Diagnosis of Acute Myeloid Leukemia (AML)
  • Patients must have been off previous antileukemia therapy for at least 2 weeks or 5 half-lives, whichever is longer if the immediate prior regimen included only weekly chemotherapy; or 4 weeks or 5 half-lives, whichever is longer, from any therapy with therapeutic biologics and from any type of investigational therapy. Daily hydroxyurea for up to 2 weeks to keep the absolute blast count below 50 x 10⁹/L will be allowed, but must be discontinued 24 hours prior to administration of study drug. Hydroxyurea will be permitted during the first cycle of treatment if necessary.
  • At least one prior induction regimen (with or without consolidation) which may have included hematopoietic stem cell transplantation (HSCT).
  • Have adequate liver function.
  • Have adequate renal (kidney) function.
  • Female patients must either be of non-childbearing potential, or, if of childbearing potential, have a negative urine pregnancy test at screening and agree not to try to become pregnant during the study and for 45 days after the final study drug administration. Women of childbearing potential, if heterosexually active, must agree to use 2 forms of highly effective birth control as determined by the protocol, starting at screening, throughout the study period and for 45 days after the final study drug administration.
  • Female patients must agree not to breastfeed at screening, throughout the study period and for 45 days after the final study drug administration.
  • Male patients with female spouse/partner of childbearing potential, must agree to use 2 forms of highly effective birth control as determined by the protocol, starting at screening, throughout the study period and for 45 days after the final study drug administration.

Exclusion criteria

  • Patient has a diagnosis of Acute Promyelocytic Leukemia (APL) or chronic myelogenous leukemia in blast crisis.
  • If patient is post allogenic transplant and requires therapy for graft vs host disease (GVHD) within 14 days prior to date of screening.
  • Requires treatment with concomitant drugs that prolong QT/QTc interval.
  • Recent history of cardiac ischemic disease (acute myocardial infarction within 6 months; uncontrolled angina); severe uncontrolled ventricular arrhythmia; recent transient ischemic attack or stroke within 6 months of screening; poorly controlled hypertension (systolic blood pressure >140 mm Hg or diastolic blood pressure >90 mm Hg).
  • Patient has active, untreated central nervous system (CNS) disease.

Other protocol defined inclusion/exclusion criteria could apply.

Treatment and study plan

SKI-G-801

Drug

SKI-G-801 is administered as an IV infusion over 10 minutes

Primary outcomes

  1. Recommended phase 2 dose (RP2D)

    Time frame: From Cycle 1, Day 1 until disease progression, unacceptable toxicity, patient withdrawal from study, or judged not to be in patient's interest to continue in study, assessed up to 36 months

    RP2D of SKI-G-801 determined using Neuenschwander's continual reassessment method (N-CRM)

  2. Patients in complete remission or showing partial response (overall response rate [ORR])

    Time frame: Up to 30 days following last dose of study drug

    Number of patients showing composite complete remission (complete remission [CR], complete remission with incomplete platelet recovery [CRp], and complete remission with incomplete hematologic recovery [CRi]) of SKI-G-801 according to the Response Criteria in AML

  3. Patients in complete remission

    Time frame: Day 84 (± 3 days)

    Number of patients showing complete remission (CR)

  4. Duration of remission

    Time frame: From date of first reported status of CR to the date of disease relapse or death (+ 1 day); or to date of last available disease status report for patients who do not relapse, assessed up to 36 months

    Number of days between a patient's first reported status of complete remission (CR) and the earlier of disease relapse or death from any cause

  5. Duration of event free survival

    Time frame: Day 1 to date of event (first documented treatment failure, relapse from CR or Cri [CR with incomplete hematologic recovery], or death due to any cause), assessed up to 36 months

    Number of days between start of treatment to date of event

  6. Time to treatment response (TTR)

    Time frame: Day 1 to date of first subsequent disease status of CR (+ 1 day), assessed up to 36 months

    Number of days between the start of treatment to the date of first subsequent disease status of complete remission (CR)

  7. Dose limiting toxicity (DLT) Adverse Events (AEs)

    Time frame: Up to Day 28

    Number of any DLT AEs within the first cycle of each patient's treatment with SKI-G-801

Secondary outcomes

  1. Incidence of Adverse Events (AEs)

    Time frame: Up to 30 days following last dose of study drug

    Number, severity (as graded by National Cancer Institute Common Terminology Criteria for Adverse Events [NCI-CTCAE] v4.03), seriousness and relatedness to treatment of treatment-emergent AEs

  2. Number of participants with clinical laboratory abnormalities

    Time frame: Up to 30 days following last dose of study drug

  3. Number of participants with overall safety profiles

    Time frame: Up to 30 days following last dose of study drug

  4. Number of participants with electrocardiogram (ECG) abnormalities

    Time frame: Up to 30 days following last dose of study drug

Sponsors and collaborators

Lead sponsor

Oscotec Inc.

Industry

Collaborators

  • PPD Development, LP

Registry information

Official study title

A Phase 1 Dose Escalation Trial of SKI-G-801 in Patients With Relapsed or Refractory Acute Myeloid Leukemia (AML)

Important dates

Study start
2018
Primary completion
2021
Study completion
2021
First posted
Jun 20, 2018
Registry last updated
Feb 21, 2024

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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