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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT00685828
Other study ID # EORTC-62005
Secondary ID EORTC-62005AGITG
Status Active, not recruiting
Phase Phase 3
First received May 22, 2008
Last updated July 3, 2014
Start date January 2001

Study information

Verified date July 2014
Source European Organisation for Research and Treatment of Cancer - EORTC
Contact n/a
Is FDA regulated No
Health authority United States: Federal Government
Study type Interventional

Clinical Trial Summary

RATIONALE: Imatinib mesylate may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. It is not yet known which dose of imatinib mesylate is more effective in treating gastrointestinal stromal tumor.

PURPOSE: This randomized phase III trial is studying two different doses of imatinib mesylate to compare how well they work in treating patients with unresectable or metastatic gastrointestinal stromal tumor.


Description:

OBJECTIVES:

Primary

- To compare outcomes of patients with unresectable or metastatic gastrointestinal stromal tumor that expresses KIT (CD117) treated with low-dose imatinib mesylate vs high-dose imatinib mesylate.

Secondary

- To assess response rates in patients treated with two different doses of imatinib mesylate.

- To assess the toxicities of two different doses of imatinib mesylate in these patients.

OUTLINE: This is a multicenter study. Patients are stratified according to participating center, measurability of disease (measurable vs non-measurable), and WHO performance status (0-2 vs 3). Patients are randomized to 1 of 2 treatment arms.

- Arm I: Patients receive low-dose oral imatinib mesylate once daily in the absence of disease progression or unacceptable toxicity.

- Arm II: Patients receive high-dose oral imatinib mesylate twice daily in the absence of disease progression or unacceptable toxicity.

In the event of disease progression, patients on arm I may cross over to arm II and receive high-dose imatinib mesylate. Patients who continue to progress despite treatment with high-dose imatinib mesylate are removed from the study.

After completion of study therapy, patients are followed periodically.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 946
Est. completion date
Est. primary completion date February 2002
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility DISEASE CHARACTERISTICS:

- Histologically confirmed gastrointestinal stromal tumor (GIST)

- Metastatic or unresectable disease

- Immunohistochemical confirmation of KIT (CD117) expression by tumor as documented by DAKO antibody staining

- Measurable or non-measurable disease by conventional imaging (CT scan or MRI) or physical examination

- If a target lesion has been previously embolized or irradiated, there must be objective evidence of progression to be considered for response assessment

- No known brain metastasis

PATIENT CHARACTERISTICS:

- WHO performance status 0-3

- Bilirubin = 1.5 times upper limit of normal (ULN)

- AST and ALT = 2.5 times ULN (= 5 times ULN if hepatic metastases are present)

- Creatinine = 1.5 times ULN

- ANC = 1,000/mm³

- Platelet count = 100,000/mm³

- Hemoglobin = 9 g/dL (transfusions allowed)

- Not pregnant or nursing

- Negative pregnancy test

- Fertile patients must use effective barrier contraception during and for up to 3 months after completion of study therapy

- No NYHA class III-IV cardiac disease

- No congestive heart failure or myocardial infarction within the past 2 months

- No severe and/or uncontrolled concurrent medical disease (e.g., uncontrolled diabetes, uncontrolled chronic renal or liver disease, or active uncontrolled infection [e.g., HIV])

- No other prior malignancy except adequately treated basal cell or squamous cell skin cancer, carcinoma in situ of the cervix, adequately treated stage I or II cancer from which the patient is currently in complete remission, or any other cancer from which the patient has been disease-free for 5 years

- No medical, psychological, familial, sociological, or geographical condition that, in the opinion of the investigator, may preclude the patient's ability to tolerate or complete study treatment, comply with study protocol and follow-up schedule, or give reliable informed consent

PRIOR CONCURRENT THERAPY:

- Recovered from all prior therapy

- More than 28 days since prior chemotherapy, biologic therapy, or any other investigational drug

- More than 14 days since prior major surgery

- No concurrent therapeutic anticoagulation with coumarin derivatives

- Concurrent therapeutic anticoagulation with low-molecular weight heparin allowed

- Concurrent mini-dose coumarin derivatives (i.e., equivalent to 1 mg of oral warfarin daily) as prophylaxis allowed

- No concurrent cytokines (i.e., filgrastim [G-CSF] or sargramostim [GM-CSF]) to support blood counts

- No other concurrent investigational drugs

- No other concurrent anticancer agents, including chemotherapy, radiotherapy, or anticancer biologic therapy

Study Design

Allocation: Randomized, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Intervention

Drug:
imatinib mesylate
By mouth

Locations

Country Name City State
n/a

Sponsors (4)

Lead Sponsor Collaborator
European Organisation for Research and Treatment of Cancer - EORTC Australasian Gastro-Intestinal Trials Group, Italian Sarcoma Group, Scandinavian Sarcoma Group

References & Publications (10)

Debiec-Rychter M, Sciot R, Le Cesne A, Schlemmer M, Hohenberger P, van Oosterom AT, Blay JY, Leyvraz S, Stul M, Casali PG, Zalcberg J, Verweij J, Van Glabbeke M, Hagemeijer A, Judson I; EORTC Soft Tissue and Bone Sarcoma Group; Italian Sarcoma Group; Aust — View Citation

Judson I. Imatinib in advanced gastrointestinal stromal tumour: when is 800 mg the correct dose? Curr Opin Oncol. 2008 Jul;20(4):433-7. doi: 10.1097/CCO.0b013e328302ed96. Review. — View Citation

Le Cesne A, Van Glabbeke M, Verweij J, Casali PG, Findlay M, Reichardt P, Issels R, Judson I, Schoffski P, Leyvraz S, Bui B, Hogendoorn PC, Sciot R, Blay JY. Absence of progression as assessed by response evaluation criteria in solid tumors predicts survi — View Citation

Sciot R, Debiec-Rychter M, Daugaard S, Fisher C, Collin F, van Glabbeke M, Verweij J, Blay JY, Hogendoorn PC; EORTC Soft Tissue and Bone Sarcoma Group; Italian Sarcoma Group; Australasian Trials Group. Distribution and prognostic value of histopathologic — View Citation

Van Glabbeke M, Verweij J, Casali PG, Le Cesne A, Hohenberger P, Ray-Coquard I, Schlemmer M, van Oosterom AT, Goldstein D, Sciot R, Hogendoorn PC, Brown M, Bertulli R, Judson IR. Initial and late resistance to imatinib in advanced gastrointestinal stromal — View Citation

Van Glabbeke M, Verweij J, Casali PG, Simes J, Le Cesne A, Reichardt P, Issels R, Judson IR, van Oosterom AT, Blay JY. Predicting toxicities for patients with advanced gastrointestinal stromal tumours treated with imatinib: a study of the European Organis — View Citation

van Glabbeke MM, Owzar K, Rankin C, et al.: Comparison of two doses of imatinib for the treatment of unresectable or metastatic gastrointestinal stromal tumors (GIST): a meta-analyis based on 1,640 patients (pts). [Abstract] J Clin Oncol 25 (Suppl 18): A-10004, 546s, 2007.

Van Glabbeke MM, Verweij J, Casali P, et al.: Type of progression in patients treated with imatinib for advanced gastrointestinal stromal tumor (GIST): A study based on the EORTC-ISG-AGITG trial 62005. [Abstract] J Clin Oncol 27 (Suppl 15): A-10536, 2009.

Verweij J, Casali PG, Kotasek D, Le Cesne A, Reichard P, Judson IR, Issels R, van Oosterom AT, Van Glabbeke M, Blay JY. Imatinib does not induce cardiac left ventricular failure in gastrointestinal stromal tumours patients: analysis of EORTC-ISG-AGITG stu — View Citation

Verweij J, Casali PG, Zalcberg J, et al.: Early efficacy comparison of two doses of imatinib for the treatment of advanced gastro-intestinal stromal tumors (GIST): interim results of a randomized phase III trial from the EORTC-STBSG, ISG and AGITG. [Abstr

Outcome

Type Measure Description Time frame Safety issue
Primary Progression-free survival No
Secondary Overall survival No
Secondary Objective tumor response No
Secondary Toxicity as assessed by NCI CTC v2.0 Yes
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