Status:

ACTIVE_NOT_RECRUITING

Stopping Tyrosine Kinase Inhibitors in Affecting Treatment-Free Remission in Patients With Chronic Phase Chronic Myeloid Leukemia

Lead Sponsor:

Children's Oncology Group

Collaborating Sponsors:

National Cancer Institute (NCI)

Conditions:

Chronic Phase Chronic Myeloid Leukemia, BCR-ABL1 Positive

Eligibility:

All Genders

Up to 25 years

Phase:

PHASE2

Brief Summary

This phase II trial studies how stopping tyrosine kinase inhibitors will affect treatment-free remission in patients with chronic myeloid leukemia in chronic phase. When the level of disease is very l...

Detailed Description

PRIMARY OBJECTIVES: I. To determine the 2-year treatment free remission (TFR) rate of children, adolescents, and young adults with chronic myeloid leukemia - chronic phase (CML-CP) following disconti...

Eligibility Criteria

Inclusion

  • Patient must have been diagnosed with CML-CP at \< 18 years of age.
  • Patient must have histologic verification of CML-CP at original diagnosis
  • Patient must be in molecular remission (MR) with a BCR-ABL1 level of =\< 0.01% BCR-ABL1 as measured using the International Scale (IS) by RQ-PCR for \>= 2 consecutive years at the time of enrollment
  • Please note: The lab evaluating disease status and molecular response for this study must be College of American Pathology (CAP) and/or Clinical Laboratory Improvement Amendments (CLIA) certified (United States \[US\] only), sites in other countries must be certified by their accredited authorities. All labs must use the International Scale guidelines with a sensitivity of detection assay =\< 0.01% BCR-ABL1 and be able to report results in =\< 2 weeks
  • Patient must have received any TKI for a minimum of 3 consecutive years at time of enrollment
  • Patient agrees to discontinue TKI therapy
  • REGULATORY REQUIREMENTS
  • All patients and/or their parents or legal guardians must sign a written informed consent
  • All institutional, Food and Drug Administration (FDA), and National Cancer Institute (NCI) requirements for human studies must be met
  • ELIGIBILITY FOR PATIENT-REPORTED OUTCOMES (PROs):
  • Age \>= 8 years at the time of enrollment
  • Ability to understand English or Spanish
  • Cognitive ability to complete instruments according to the primary team
  • ELIGIBILITY FOR AAML18P1 NEUROCOGNITIVE STUDY:
  • Patient must be 5 years or older at the time of enrollment
  • English-, French- or Spanish-speaking
  • No known history of neurodevelopmental disorder prior to diagnosis of CML (e.g., Down syndrome, Fragile X, William syndrome, mental retardation)
  • No significant visual or motor impairment that would prevent computer use or recognition of visual test stimuli

Exclusion

  • Known T3151 mutation
  • Additional clonal chromosomal abnormalities in Philadelphia chromosome (Ph) positive (+) cells at any time prior to enrollment that include "major route" abnormalities (second Ph, trisomy 8, isochromosome 17q, trisomy 19), complex karyotype or abnormalities of 3q26.2
  • History of accelerated phase or blast crisis CML
  • Female patients who are pregnant
  • Lactating females are not eligible unless they have agreed not to breastfeed their infants
  • Female patients of childbearing potential are not eligible unless a negative pregnancy test result has been obtained

Key Trial Info

Start Date :

November 8 2019

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 30 2026

Estimated Enrollment :

110 Patients enrolled

Trial Details

Trial ID

NCT03817398

Start Date

November 8 2019

End Date

June 30 2026

Last Update

December 22 2025

Active Locations (173)

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Page 1 of 44 (173 locations)

1

Children's Hospital of Alabama

Birmingham, Alabama, United States, 35233

2

USA Health Strada Patient Care Center

Mobile, Alabama, United States, 36604

3

Banner Children's at Desert

Mesa, Arizona, United States, 85202

4

Banner University Medical Center - Tucson

Tucson, Arizona, United States, 85719