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Clinical Trials/NCT00001298
NCT00001298CompletedPhase 1

A Trial of Carboxypeptidase-G2 (CPDG2) and Thymidine for the Management of Patients With Methotrexate Toxicity and Renal Dysfunction

National Cancer Institute (NCI)2 sites in 1 country10 target enrollmentStarted: March 1992Last updated:
Conditions
Drugs

Trial Snapshot

Phase
Phase 1
Status
Completed
Enrollment
10
Locations
2

Study Overview

Brief Summary

High dose methotrexate with leucovorin rescue has demonstrated activity in numerous malignancies. Although high dose methotrexate is generally well tolerated, unpredictable life-threatening toxicity can occur. For patients who have markedly delayed clearance of methotrexate secondary to renal dysfunction, therapeutic options are few and are of limited efficacy. Carboxypeptidase-G2 inactivates methotrexate by hydrolyzing its C-terminal glutamate residue. Carboxypeptidase-G2 could be used to rescue patients with renal dysfunction and delayed methotrexate excretion, as it provides an alternative to renal clearance as a route of elimination.

Detailed Description

High dose methotrexate with leucovorin rescue has demonstrated activity in numerous malignancies. Although high dose methotrexate is generally well tolerated, unpredictable life-threatening toxicity can occur. For patients who have markedly delayed clearance of methotrexate secondary to renal dysfunction, therapeutic options are few and are of limited efficacy. Carboxypeptidase-G2 inactivates methotrexate by hydrolyzing its C-terminal glutamate residue. Carboxypeptidase-G2 could be used to rescue patients with renal dysfunction and delayed methotrexate excretion, as it provides an alternative to renal clearance as a route of elimination.

Study Design

Study Type
Interventional
Primary Purpose
Treatment

Eligibility Criteria

Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Not provided

Exclusion Criteria

  • Not provided

Investigators

Sponsor Class
Nih

Study Sites (2)

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