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Home > "S" Clinical Trials Conditions > Sulindac and Plant Compounds in Preventing Colon Cancer  Sulindac and Plant Compounds in Preventing Colon Cancer
Sulindac and Plant Compounds in Preventing Colon Cancer
For Condition: Colon Cancer,prevention of colorectal cancer
Status: Suspended
Sponsor(s): Rockefeller University ,
Synopsis: RATIONALE: Chemoprevention therapy is the use of certain drugs to try to prevent the development or recurrence of cancer. The use of sulindac may be an effective way to prevent colon cancer. Eating a diet rich in fruits and vegetables appears to reduce the risk of some types of cancer. Curcumin, rutin, and quercetin are compounds found in plants that may prevent the development of colon cancer. PURPOSE: Randomized clinical trial to study the effectiveness of sulindac, curcumin, rutin, and quercetin in preventing colon cancer.
Details: OBJECTIVES: I. Determine the response of the colonic epithelium in normal volunteers at average or above average risk of colon cancer, when given short term treatment with plant phenolics such as curcumin, rutin, and quercetin. II. Compare the colonic mucosal response to the plant phenolics with their response to sulindac in order to evaluate whether they share common mechanisms for colon cancer chemoprevention. III. Determine the lowest optimal dose for each of the three plant phenolics that is effective in modulating biomarkers of colon epithelial cell turnover and, therefore, potentially inhibiting colon cancer development. IV. Assess the response of the colonic epithelium to curcumin in volunteers at average risk of colon cancer development. PROTOCOL OUTLINE: This is a randomized, controlled, two part, single institution study. Patients in Part B are randomized by gender. All patients undergo flexible sigmoidoscopic exam. Part A patients, in cohorts of 5-10, receive one of the following five treatments in addition to the control diet: nothing (arm I), oral sulindac twice a day (arm II), oral rutin at 1 of 3 doses twice a day (arms III, IV, and V), oral quercetin at 1 of 3 doses twice a day (arms V, VI, and VII), or at 1 of 3 doses oral curcumin twice a day (arms VIII, IX, and X). Patients are first randomized to the highest doses of rutin, quercetin, and curcumin and then lower doses may be given in order to determine the minimally effective dose. Treatment is continued for 6-10 weeks. Part B patients are randomized to receive the control diet only (arm I) or the control diet plus oral curcumin twice a day (arm II) for 6-10 weeks. Patients are followed every 2 weeks. PROJECTED ACCRUAL: There will be 130 patients (110 in Part A and 20 in Part B) accrued into this study.
Eligibility:
Study Type: Interventional, Prevention
Minimum Age/Maximum Age: 18 Years/
Genders:
Protocol Entry Criteria: PROTOCOL ENTRY CRITERIA: --Disease Characteristics-- - Individuals at average risk (Parts A and B) or above average risk (Part A only) for development of colon cancer Average risk individuals defined as: No history of colon adenomas; No strong family history of colon polyps or cancer; Above average risk individuals defined as: History of one or more sporadic adenomatous polyps at least 0.5 cm in size (either tubular, tubulovillous, or villous adenomas); Have had polypectomy or refused this procedure; No significant family history of adenomatous polyps, colon cancer, or hereditary nonpolyposis colorectal cancer or other hereditary colon cancer syndrome; Polyps should not have had a focus of adenocarcinoma within them - No history of gastrointestinal cancer outside of the large bowel; No other gastrointestinal mucosal epithelial disease (e.g., Barrett's esophagus, chronic or recurrent peptic ulcer disease, celiac sprue, or other disorders of nutrient absorption) - No significant asymptomatic lesions on flexible sigmoidoscopy, such as inflammation, premalignancy or malignancy --Prior/Concurrent Therapy-- - Biologic therapy: Not specified - Chemotherapy: Not specified - Endocrine therapy: Not specified - Radiotherapy: Not specified - Surgery: Not specified - Other: No concurrent coumadin; No chronic use of nonsteroidal antiinflammatory drugs (unless they can be stopped for 3 months); No other putative colon cancer chemoprevention agents (unless they can be stopped for 3 months) --Patient Characteristics-- - Age: 18 and over - Performance status: Not specified - Life expectancy: Not specified - Hematopoietic: No platelet or coagulation abnormalities; No personal or family history of a bleeding disorder; Hematopoietic concentration must not be due to significant acute or chronic disorder - Hepatic: No liver disease - Renal: No renal insufficiency Cardiovascular: No uncontrolled hypertension; No chronic congestive heart failure; No history of endocarditis; No history of rheumatic fever; No cardiac valve prostheses; No mitral valve prolapse that requires antibiotic prophylaxis Other: HIV negative; No gout; No pancreatitis; No other chronic viral infection; No significant acute or uncontrolled chronic medical illness; Generally non-smoking (no more than 4 cigarettes per week, i.e., not daily smokers); Must abstain from smoking for at least 1 month prior to enrolling in the study; No alcohol consumption of greater than 2 glasses of wine or beer per day; Normal weight (90-120% of optimum body weight) and body habitus; No change in weight within 5-10% of body weight within the past year; No history of inflammatory bowel disease (either ulcerative colitis or Crohn's disease); No hearing or equilibrium disorders; No other prior malignancy except resected carcinoma in situ of the cervix or nonmelanoma skin cancer; No allergies to sulindac or tartrazine dyes or prior severe adverse reactions to nonsteroidal antiinflammatory drugs (asthma, gastrointestinal bleeding, or renal insufficiency); No potential allergy to curcumin, quercetin, or rutin; No gastrointestinal bleeding; Not institutionalized, mentally disabled, or incarcerated; No unusually high intake of stored micronutrients or high doses of supplemental calcium or folate; Not pregnant or nursing
Total Enrollment:
Location and Contact Information:
Overall Study Official:
StevenShiff, Study Chair, Rockefeller University
Rockefeller University Hospital
New York City, New York, 10021-6399
United States
Additional Information:
Study ID Numbers: CDR0000066350; RUH-SSH-190-0600,NCI-V98-1425,RUH-SSH-190-0698
Study Start Date: August 1996
Record last reviewed: May 2004
Additional information available at: clinicaltrials.gov
Clinicaltrials.gov Reference link: NCT00003365
Other Prevention Of Colorectal Cancer Studies:
1. Interleukin-12 in Treating Patients With Cancer in the Abdomen
2. Erlotinib and Combination Chemotherapy in Treating Patients With Metastatic or Locally Advanced Colorectal Cancer
3. Gene Therapy in Treating Patients With Cancer
4. Combination Chemotherapy in Treating Patients With Liver Metastases from Colorectal Cancer
5. Combination Chemotherapy With or Without Bevacizumab in Treating Patients With Locally Advanced, Metastatic, or Recurrent Colorectal Cancer
Related Studies:
Other prevention of colorectal cancer Clinical Trials
Other New York Clinical Trials
Other New York City Clinical Trials
Sulindac and Plant Compounds in Preventing Colon Cancer
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