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Clinical Trial Summary

A randomised trial for children with acute lymphoblastic leukemia, using the detection of minimal residual disease to define risk groups, aiming to answer the questions:

1. Can treatment be reduced without compromising efficacy in a MRD-defined low risk group?

2. Does further post-remission intensification improve outcome for a MRD-defined high risk group?

3. Measure the Quality of Life impact of the different treatment arms on the children and their families.


Clinical Trial Description

Randomisations

Patients will be assigned to MRD risk groups based on day 29 and post consolidation MRD results and randomised as follows:

1. MRD Low Risk Group (MRD negative at day 29 and week 11 or positive <1 x 10-4 at day 28 and negative at week 11) will continue on previously assigned Regimens (A or B) but randomised between two delayed intensifications and one delayed intensification.

2. MRD High Risk Group (MRD positive > 1 x 10-4 at day 29) randomised between previously assigned Regimen (A or B) and Regimen C.

3. MRD Indeterminate Group (No MRD result or MRD positive <1 x 10-4 at day 29 and at week 11) will continue on previously assigned Regimen (A or B) and received two delayed intensifications ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00222612
Study type Interventional
Source University of Oxford
Contact Susan Richards, D Phil
Email Sue.Richards@ctsu.ox.ac.uk
Status Recruiting
Phase Phase 4
Start date October 2003
Completion date August 2013

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