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Safety of Leucovorin Rescue in High-Dose Methotrexate Therapy for Children with Acute Lymphoblastic Leukemia

Safety of Leucovorin Rescue in High-Dose Methotrexate Therapy for Children with Acute Lymphoblastic Leukemia: A Single-Center, Prospective, Single-Arm Clinical Study

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500096355
Enrollment
Unknown
Registered
2025-01-22
Start date
2025-02-05
Completion date
Unknown
Last updated
2025-01-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

pediatric leukemia

Interventions

treatment group:leucovorin as a rescue agent for HD-MTX

Sponsors

Beijing Children's Hospital, Capital Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
1 Months to 18 Years

Inclusion criteria

Inclusion criteria: Age: Participants must be older than 1 month and younger than 18 years of age. Diagnosis: Confirmed diagnosis of acute lymphoblastic leukemia (ALL), including both T-cell ALL (T-ALL) and B-cell ALL (B-ALL). Treatment History: Patients have received high-dose methotrexate (HD-MTX) therapy and have undergone monitoring of methotrexate blood levels. Informed Consent: Written informed consent has been obtained from the patient or legal guardian, and the patient is willing to comply with follow-up requirements.

Exclusion criteria

Exclusion criteria: Patients diagnosed with acute mixed lineage leukemia or acute undifferentiated leukemia according to WHO or EGIL criteria. Patients with chronic myeloid leukemia (CML) that has transformed into an acute lymphoblastic phase or other secondary leukemias. Patients with Down syndrome, or those with congenital, hereditary, or metabolic diseases accompanied by organ dysfunction. Patients who have participated in another drug clinical trial within 4 weeks prior to this study, where the previous trial could directly impact the current research. Patients with a confirmed allergy to leucovorin, methotrexate, and/or any of their excipients. Patients with a history of epilepsy or those taking oral antiepileptic medications. Patients deemed unsuitable for inclusion in the study by the investigator based on clinical judgment.

Design outcomes

Primary

MeasureTime frame
Adverse reactions;

Secondary

MeasureTime frame
MTX concentration;Proportion of Patients Experiencing Delayed Excretion;

Countries

China

Contacts

Public ContactQi Peijing, Zhang Ruidong

Beijing Children's Hospital, Capital Medical University

qipeijing@126.com+86 138 1004 9801

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026