Study of Sequential Administration of Oral 6-Thioguanine After Methotrexate in Patients With LCH

NCT ID: NCT00588536

Last Updated: 2015-05-04

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

5 participants

Study Classification

INTERVENTIONAL

Study Start Date

1995-01-31

Study Completion Date

2009-06-30

Brief Summary

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The objective of this study is to determine the incidence of complete and partial response and the duration of response in patients with Langerhans Cell Histiocytosis (LCH) treated with sequential administration of oral 6-Thioguanine (6-TG) after Methotrexate (MTX).

Detailed Description

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Conditions

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Langerhans Cell Histiocytosis

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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1

MTX, 6-TG, Leucovorin

Group Type EXPERIMENTAL

Methotrexate

Intervention Type DRUG

MTX 30mg/m2 (or 1mg/kg for infants) orally, given in three equally divided doses at 0,8, and 16hrs

6-Thioguanine

Intervention Type DRUG

6-TG 300mg/m2 (or 10mg/kg for infants) orally, given in one dose.

Leucovorin Calcium

Intervention Type DRUG

5mg orally at 36,48, and 60hrs (or 12 hrs after the dose of 6-TG and then every 12 hrs for a total of 3 doses)

Interventions

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Methotrexate

MTX 30mg/m2 (or 1mg/kg for infants) orally, given in three equally divided doses at 0,8, and 16hrs

Intervention Type DRUG

6-Thioguanine

6-TG 300mg/m2 (or 10mg/kg for infants) orally, given in one dose.

Intervention Type DRUG

Leucovorin Calcium

5mg orally at 36,48, and 60hrs (or 12 hrs after the dose of 6-TG and then every 12 hrs for a total of 3 doses)

Intervention Type DRUG

Other Intervention Names

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MTX 6-TG

Eligibility Criteria

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Inclusion Criteria

* Patients with histologic proof of LCH who have multifocal or multisystem disease involvement.
* Patients must have a life expectancy of at least 8 weeks.
* All patients must have ECOG performance level rating of-\< 2.
* Patients or their parents (guardian) must sign an informed consent indicating that they are aware of the investigational nature of the study, using commercially available drugs.
* Patients must have recovered from the toxic effects of prior therapy before entering this study or at least 2 weeks should have elapsed since the end of last course of chemotherapy.
* Patients must have adequate liver function (bilirubin \_\< 2.0 mg/dl, SGOT less than 1.5 times normal (unless it is due to disease), adequate renal function (creatinine \<\_ 1.5 mg/dl, creatinine clearance \>\_ 60 ml/min/1.73 m2) and normal electrolytes.
* Patients should have a granulocyte count \> 500/uL and a platelet count \>\_ 100,000/uL (unless due to disease involvement of the bone marrow).
* Male and female patients of child-bearing age should use effective methods of contraception, if sexually active.

Exclusion Criteria

* Patients with active infections or significant medical conditions other than their disease (LCH) shall be excluded.
Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Memorial Sloan Kettering Cancer Center

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Tanya Trippett, MD

Role: PRINCIPAL_INVESTIGATOR

Memorial Sloan Kettering Cancer Center

Locations

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Memorial Sloan-Kettering Cancer Center

New York, New York, United States

Site Status

Countries

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United States

Related Links

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http://www.mskcc.org

Memorial Sloan-Kettering Cancer Center

Other Identifiers

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94-132

Identifier Type: -

Identifier Source: org_study_id

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