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Imatinib Mesylate in Treating Patients With Metastatic Melanoma

Information source: M.D. Anderson Cancer Center
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Melanoma; Skin Neoplasms

Intervention: Imatinib mesylate (STI571) (Drug)

Phase: Phase 2

Status: Completed

Sponsored by: M.D. Anderson Cancer Center

Official(s) and/or principal investigator(s):
Kevin Kim, MD, Study Chair, Affiliation: M.D. Anderson Cancer Center
Menashe Bar-Eli, PhD, Study Chair, Affiliation: M.D. Anderson Cancer Center


RATIONALE: Imatinib mesylate may interfere with the growth of tumor cells and may be an effective treatment for metastatic melanoma. PURPOSE: Phase II trial to study the effectiveness of imatinib mesylate in treating patients who have metastatic melanoma.

Clinical Details

Official title: Phase II Trial of Gleevec (Imatinib Mesylate, STI-571) in Metastatic Melanoma

Study design: Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome: Response rate

Detailed description: OBJECTIVES:

- Determine the clinical activity of imatinib mesylate (STI571) in patients with

metastatic melanoma.

- Determine the side effects of this drug in these patients.

- Correlate molecular studies with responsiveness to this drug in these patients.

OUTLINE: Patients receive oral imatinib mesylate (STI571) twice daily. Treatment continues in the absence of disease progression or unacceptable toxicity. PROJECTED ACCRUAL: A total of 21-78 patients will be accrued for this study within 6-15 months.


Minimum age: N/A. Maximum age: N/A. Gender(s): Both.


Inclusion Criteria: 1. Patient must have a biopsy proven diagnosis of metastatic melanoma. Patients will be enrolled if at least 20% of the tumor cells stain by immunohistochemistry (see Appendix E for methodology) for: 1. PDGF receptor alpha or beta, or 2. KIT (CD 117) expression by tumor documented by DAKO antibody staining, or 3. c-abl, ARG. 2. Patients must have measurable indicator metastasis, defined as at least one lesion that can be accurately measured in at least one dimension (longest diameter to be recorded) as >20 mm with conventional techniques or as >10 mm with spiral CT scan or in case of obviously visible cutaneous tumors. Besides the indicator lesion(s), the patient must have at least one other biopsiable metastasis in a subcutaneous site or lymph node. 3. Radiographic studies used to assess disease must have been performed within 28 days prior to registration. If a target lesion has been previously embolized, perfused or irradiated, there must be objective evidence of progression before start of therapy to be considered for response assessment. 4. Patient will not have symptomatic central nervous metastases. However, patients with small asymptomatic metastases will not be excluded provided they are not on steroids and the lesions are not associated with significant edema. Patients with brain metastases as the only site of disease are not eligible. 5. Patient may have received prior interferon and/or one other systemic treatment regimen (chemotherapy, biotherapy, or biochemotherapy). Active immunotherapy (cancer vaccines) will not be included in the tally of prior treatments. 6. Patient must not have received chemotherapy, biologic therapy or any other investigational drug for any reason within 28 days prior to registration, and this extends to 42 days if the patient received a nitrosourea. Patients must not have had a major surgery within 14 days prior to registration. 7. Patient must have a ECOG performance status < 2 or Karnofsky performance status > 60% (see Appendix C). 8. Patient must have resolution of transient toxicities from any prior therapy to Grade 1 (NCI-CTC version 2. 0, see Appendix B). 9. Patients must have normal organ and marrow function as assessed within 14 days prior to registration and as defined below: leukocytes > 3,000/mL absolute neutrophil count > 1,500/mL platelets > 100,000/mL total bilirubin < 1. 5 X institutional upper limit of normal AST(SGOT)/ALT(SGPT) < 2. 5 X institutional upper limit of normal creatinine < 1. 5 X institutional upper limit of normal 10. Patient must have a hemoglobin > 9 gm/dl (this may be achieved by transfusion if needed) obtained within 14 days prior to registration. Exclusion Criteria: 11. Patient must not have uncontrolled intercurrent illness including, but not limited to, ongoing active infection, symptomatic congestive heart failure, myocardial infarction within 2 months of study, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements. 12. Patient must not have a severe and/or uncontrolled concurrent medical disease (e. g., uncontrolled diabetes, uncontrolled chronic renal or liver disease, or active uncontrolled infection). 13. Patient must not be pregnant or nursing because Gleevec may be harmful to the developing fetus and newborn (see Section 3. 0 for more detail). Women/men of reproductive potential must agree to use an effective contraceptive method. Because of the potential interaction with oral contraceptives both male and female patients of reproductive potential must agree to employ a barrier method of contraception (condom, diaphragm) throughout the study and for up to 3 months following discontinuation of Gleevec. Women of reproductive potential must have a negative serum pregnancy test within 7 days prior to registration. Post-menopausal women must be amenorrheic for at least 12 months to be considered of non-childbearing potential. 14. Patient with medical or psychological conditions that, in the opinion of the investigator, make the patient unable to tolerate or complete the treatment, or to grant reliable informed consent are not eligible for this study. 15. Patient must not be taking therapeutic doses of coumadin (warfarin) as anticoagulation at the time of registration. Patients requiring therapeutic anticoagulation may use low-molecular weight heparin (e. g., Lovenox) or other agents, and mini-dose coumadin (1 mg po QD) as prophylaxis is allowed. 16. No other prior malignancy is allowed except for the following: adequately treated basal cell or squamous cell skin cancer, in situ cervical cancer, 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.

Locations and Contacts

University of Texas - MD Anderson Cancer Center, Houston, Texas 77030-4009, United States
Additional Information

Clinical trial summary from the National Cancer Institute's PDQ® database

UT MD Anderson Cancer Center Website

Starting date: September 2001
Last updated: July 27, 2012

Page last updated: August 23, 2015

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