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A Phase I Trial of ZD1694 (TOMUDEX), an Inhibitor of Thymidylate Synthase, in Pediatric Patients With Advanced Neoplastic Disease

This study has been completed.
Study NCT00001341.   Last updated on March 3, 2008.   Information provided by National Institutes of Health Clinical Center (CC)

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Descriptive Information Fields
Brief Title  A Phase I Trial of ZD1694 (TOMUDEX), an Inhibitor of Thymidylate Synthase, in Pediatric Patients With Advanced Neoplastic Disease
Official Title  A Phase I Trial of ZD1694 (TOMUDEX® (Registered Trademark)), an Inhibitor of Thymidylate Synthase, in Pediatric Patients With Advanced Neoplastic Disease
Brief Summary

Thymidylate synthase (TS), an enzyme which acts by utilizing 5,10-CH(2)FH(4) in the reductive methylation of deoxyuridylate (dUMP), is required for the de novo synthesis of thymidylate and is a potential chemotherapeutic target. ZD1694 is a new quinazolone folate analog that directly inhibits TS. This phase I trial and pharmacokinetic study will describe and define the toxicities, determine the MTD, and describe the plasma pharmacokinetics of ZD1694 in pediatric patients with refractory cancer. The starting dose for this trial will be 2.0 mg/m(2) administered as a 15 minute IV infusion every 21 days.

Detailed Description

Thymidylate synthase (TS), an enzyme which acts by utilizing 5,10-CH(2)FH(4) in the reductive methylation of deoxyuridylate (dUMP), is required for the de novo synthesis of thymidylate and is a potential chemotherapeutic target. ZD1694 is a new quinazolone folate analog that directly inhibits TS. This phase I trial and pharmacokinetic study will describe and define the toxicities, determine the MTD, and describe the plasma pharmacokinetics of ZD1694 in pediatric patients with refractory cancer. The starting dose for this trial will be 2.0 mg/m(2) administered as a 15 minute IV infusion every 21 days.

Study Phase Phase I
Study Type  Interventional
Study Design  Treatment, Safety Study
Primary Outcome Measure 
Secondary Outcome Measure 
Condition  Neoplasm
Intervention  Drug: ZD1694 (TOMUDEX)
MEDLINE PMIDs 1913676,   1877386,   8562146
Links
Recruitment Information Fields
Recruitment Status  Completed
Enrollment  60
Start Date  September 1993
Completion Date June 2001
Eligibility Criteria 

DISEASE CHARACTERISTICS:

Histologically proven malignancy considered refractory to standard therapy. Objective evidence of progression on prior therapy required.

No leukemia.

Bone marrow involvement by tumor acceptable. Marrow biopsy required if there is a history of involvement or peripheral counts are inadequate.

PRIOR/CONCURRENT THERAPY:

Biologic Therapy: Recovery from toxic effects of prior immunotherapy required.

Chemotherapy: No more than 2 prior chemotherapy regimens and recovered. At least 2 weeks since myelosuppressive therapy (6 weeks since nitrosoureas).

Endocrine Therapy: Not specified.

Radiotherapy:

No prior central axis irradiation (i.e., skull, spine, ribs, pelvis).

Recovery from toxic effects of prior radiotherapy required.

Surgery: Not specified.

Other: No prior bone marrow transplantation.

PATIENT CHARACTERISTICS:

Age: 21 and under.

Performance status: ECOG 0-2.

Life expectancy: At least 8 weeks.

Hematopoietic:

(unless histologic evidence of bone marrow involvement by tumor).

AGC at least 1,500/mm3.

Platelet count at least 100,000/mm3.

Hemoglobin at least 8.0 g/dL.

Prior transfusion acceptable.

Hepatic:

Bilirubin no greater than 2 times normal.

ALT no greater than 2 times normal.

Renal:

Creatinine less than 1.5 mg/dL OR

Creatinine clearance greater than 60 mL/min/1.73 sqm.

Cardiovascular: Not specified.

Pulmonary: Not specified.

OTHER:

No significant accumulation of third space fluid.

No significant systemic illness (e.g., infection).

No pregnant or nursing women.

Pregnancy test required in fertile women.

All patients or their guardians must sign an informed consent.

Gender Both
Ages
Accepts Healthy Volunteers No
Contacts ††
Location Countries  United States
Administrative Information Fields
NCT ID  NCT00001341
Organization ID 930210
Secondary IDs †† 93-C-0210
Study Sponsor  National Cancer Institute (NCI)
Collaborators ††
Investigators 
Information Provided By National Institutes of Health Clinical Center (CC)
Verification Date August 2000
First Received Date  November 3, 1999
Last Updated Date March 3, 2008

 †    Required WHO trial registration data element.
††   WHO trial registration data element that is required only if it exists.




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