NCT04228393

Brief Summary

The purpose of this study was to assess the efficacy and safety of individualized treatment of 6-mercaptopurine (6-MP) in Chinese children with acute lymphoblastic leukemia, and to investigate the dose-concentration-response (DER) relationship between thiopurine metabolites and adverse events. The individualized administration of 6-MP was established in Chinese children with acute lymphoblastic leukemia.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
82

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Feb 2020

Typical duration for phase_2

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

January 9, 2020

Completed
5 days until next milestone

First Posted

Study publicly available on registry

January 14, 2020

Completed
18 days until next milestone

Study Start

First participant enrolled

February 1, 2020

Completed
2.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2022

Completed
Last Updated

January 14, 2020

Status Verified

January 1, 2020

Enrollment Period

2.9 years

First QC Date

January 9, 2020

Last Update Submit

January 10, 2020

Conditions

Keywords

acute lymphoblastic leukemia6-mercaptopurinechildrenindividualized treatment

Outcome Measures

Primary Outcomes (2)

  • leukopenia

    Leukopenia was graded by common toxicity criteria as follows: Grade 3, 1.0-2.0 × 109/L, and Grade 4, \< 1.0 × 109/L.

    6 weeks

  • thiopurine-induced leukopenia

    Resolution of leukopenia was determined after 6-MP dose reduction or discontinuation, both in the absence of other apparent causes for the leukopenia or its disappearance.

    6-weeks

Secondary Outcomes (3)

  • hepatotoxicity

    6 weeks

  • 6-thioguanine nucleotides (6-TGN) concentrations in erythrocytes.

    3 months

  • 6-methylmercaptopurine nucleotides (6-MMPN) concentrations in erythrocytes.

    3 months

Study Arms (2)

Standard treatment regimen

ACTIVE COMPARATOR

6-mercaptopurine was administered according to the Chinese Children Cancer Group (CCCG) protocol-ALL 2015.

Drug: 6-mercaptopurineProcedure: Standard treatment

Individualized treatment regimen

EXPERIMENTAL

6-mercaptopurine was administered on the basis of Chinese Children Cancer Group (CCCG) protocol-ALL 2015 combined with Clinical Pharmacogenetics Implementation Consortium (CPIC), genotypes and the concentrations of 6-TGN in red blood cells.

Drug: 6-mercaptopurineProcedure: Individualized treatment

Interventions

6-mercaptopurine was administered orally to patients once daily.

Also known as: 6-MP
Individualized treatment regimenStandard treatment regimen

The initial dose is 50mg/m2. The dose was adjusted according to white blood cells.

Standard treatment regimen

The initial dose is determined according to the genotypes of patients combined with Clinical Pharmacogenetics Implementation Consortium (CPIC). The dose was adjusted according to white blood cells, genotypes and the concentrations of 6-TGN in red blood cells.

Individualized treatment regimen

Eligibility Criteria

Age1 Year - 18 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • Confirmed diagnosis of acute lymphoblastic leukemia;
  • Age 1-18y at time of initial diagnosis;
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0-2
  • Informed consent signed by the patients parents or guardians before initiation of the study.

You may not qualify if:

  • Ph-positive ALL, matrue B-cell ALL, BC-CML;
  • Secondary to immunodeficiency, second cancer;
  • Abnormal liver and kidney function;
  • Patients divided into intermediate or high risk groups according to the risk grouping criteria of the Chinese Children Cancer Group (CCCG) protocol-ALL 2015;
  • Patients who enrolled in another clinical trial;
  • Expected survival time less than the treatment cycle;

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

State Key Laboratory of Experimental Haematology, Department of Paediatric Haematology, Institute of Haematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College

Tanjin, Tianjin Municipality, 300020, China

Location

Related Publications (1)

  • Zhou Y, Wang L, Sun LR, Zhang L, Wang HM, Liu XT, Yang F, Wu KL, Liang YL, Zhao BB, Zhuang Y, Fu JQ, Song C, Li Y, Wang LZ, Xu HJ, Gu Y, van den Anker J, Ju XL, Zhu XF, Zhao W. Individualized Use of 6-Mercaptopurine in Chinese Children with ALL: A Multicenter Randomized Controlled Trial. Clin Pharmacol Ther. 2024 Feb;115(2):213-220. doi: 10.1002/cpt.3061. Epub 2023 Oct 16.

MeSH Terms

Conditions

Precursor Cell Lymphoblastic Leukemia-Lymphoma

Interventions

Mercaptopurine

Condition Hierarchy (Ancestors)

Leukemia, LymphoidLeukemiaNeoplasms by Histologic TypeNeoplasmsHematologic DiseasesHemic and Lymphatic DiseasesLymphoproliferative DisordersLymphatic DiseasesImmunoproliferative DisordersImmune System Diseases

Intervention Hierarchy (Ancestors)

Sulfhydryl CompoundsSulfur CompoundsOrganic ChemicalsPurinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Study Officials

  • Wei Zhao, Ph.D

    Shandong University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Professor; Head of department of clinical pharmacy and pharmacology

Study Record Dates

First Submitted

January 9, 2020

First Posted

January 14, 2020

Study Start

February 1, 2020

Primary Completion

December 31, 2022

Study Completion

December 31, 2022

Last Updated

January 14, 2020

Record last verified: 2020-01

Locations