Comparing two methotrexate treatments for children with T-cell lymphoblastic lymphoma

A Randomized Trial Using a Modified COG ABFM Regimen Backbone to Investigate Capizzi Escalating Methotrexate Versus High Dose Methotrexate in Children With Newly Diagnosed T-cell Lymphoblastic Lymphoma (T-LBL)

Phase 3 Interventional Children's Cancer Group, China · NCT05681260

This study tests which of two methotrexate treatments works better for children with T-cell lymphoblastic lymphoma to help them stay healthy and improve their chances of recovery.

Quick facts

PhasePhase 3
Study typeInterventional
Enrollment200 (estimated)
Ages12 Months to 18 Years
SexAll
SponsorChildren's Cancer Group, China Research network
Drugs / interventionschemotherapy, prednisone, Dasatinib, immunotherapy, radiation
Locations2 sites (Shanghai, Shanghai Municipality and 1 other locations)
Trial IDNCT05681260 on ClinicalTrials.gov

What this trial studies

This clinical trial aims to compare the effectiveness of two methotrexate treatment strategies for children diagnosed with T-cell lymphoblastic lymphoma (T-LBL). One approach uses high-dose methotrexate with leucovorin rescue, while the other employs Capizzi-style methotrexate without leucovorin rescue. The study will evaluate event-free survival rates and the potential benefits of each treatment method. Additionally, it will explore the role of PET/CT imaging in assessing treatment response in pediatric patients with T-LBL.

Who should consider this trial

Good fit: Ideal candidates for this study are children and adolescents with newly diagnosed T-cell lymphoblastic lymphoma at stages II-IV.

Not a fit: Patients with Down syndrome, primary immune compromised disease, or those who have received prior cytotoxic chemotherapy may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment outcomes and survival rates for children with T-cell lymphoblastic lymphoma.

How similar studies have performed: Previous studies have shown promising outcomes with similar methotrexate treatment strategies in related conditions, but this direct comparison in T-LBL is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Newly diagnosed T-lineage lymphoblastic lymphoma (T-LBL) Stage II-IV

Exclusion Criteria:

* Patients with Down syndrome or primary immune comprised disease.
* Ph+ T-LBL
* Patients must not have received any prior cytotoxic chemotherapy
* Any steroids pretreatment for \> 5 days in the 7 days or for \>14 days in the 28 days before the initiation of Induction chemotherapy. The dose of prednisone or methylprednisone pretreatment does not affect eligibility. Any steroids exposure that occurred \> 28 days before the initiation of Induction chemotherapy is allowed. Inhalation and topical steroids are not considered pretreatment. A single dose of vincristine is allowed.

Where this trial is running

Shanghai, Shanghai Municipality and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions T-cell Lymphoblastic LymphomaT-cell lymphoblastic lymphomaPediatricCapizzi-style MethotrexateHigh dose Methotrexatebortezomibtreatmentsurvival
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.