Celecoxib With or Without Eflornithine in Preventing Colorectal Cancer in Patients With Familial Adenomatous Polyposis.

This study is ongoing, but not recruiting participants.
Sponsor:
Information provided by (Responsible Party):
National Cancer Institute (NCI)
ClinicalTrials.gov Identifier:
NCT00033371
First received: April 9, 2002
Last updated: November 9, 2012
Last verified: June 2012
  Purpose

RATIONALE: The use of celecoxib with or without eflornithine may be an effective way to prevent colorectal cancer in patients who have familial adenomatous polyposis.

PURPOSE: Randomized phase II trial to compare the effectiveness of celecoxib with or without eflornithine in preventing colorectal cancer in patients who have familial adenomatous polyposis.


Condition Intervention Phase
Colorectal Cancer
Precancerous Condition
Drug: Celecoxib
Drug: Eflornithine
Other: Placebo
Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Double Blind (Subject, Caregiver, Investigator)
Primary Purpose: Prevention
Official Title: A Two Arm Phase II Chemoprevention Trial In Adenomatous Polyposis Coli Patients

Resource links provided by NLM:


Further study details as provided by National Cancer Institute (NCI):

Primary Outcome Measures:
  • Efficacy of Celecoxib with or without Eflornithine [ Time Frame: 6 months after completion of study treatment ] [ Designated as safety issue: No ]
    Efficacy of celecoxib with or without eflornithine as measured by the percent change of polyps in a focal area of the colorectum measured at baseline and 6 months after completion of study treatment


Secondary Outcome Measures:
  • Percent change in polyp size as measured by still pictures at baseline and 6 months after completion of study treatment [ Time Frame: Baseline to 6 months after completion of study treatment ] [ Designated as safety issue: No ]
  • Change in global colorectal polyp burden as measured by videos of colonoscopy procedures at 6 months after completion of study treatment [ Time Frame: Baseline to 6 months after completion of study treatment ] [ Designated as safety issue: No ]
  • Percentage of change in area of plaque-like duodenal polyps at baseline and 6 months after completion of study treatment [ Time Frame: Baseline to 6 months after completion of study treatment ] [ Designated as safety issue: No ]
  • Effect on mucosal biomarkers (Ki-67, mitotic index [# and spatial distribution of mitoses], phosphorylated histone H3, p21 WAF1/Cip1, apoptosis [by TUNEL], apoptotic index, Bax, Bcl-2) at baseline and 6 mo after completion of study tx [ Time Frame: Baseline to 6 months after completion of study treatment ] [ Designated as safety issue: No ]
  • Effects in colonic polyp and normal tissue cyclooxygenase(COX)-1 and COX-2 protein levels, PGE2, ornithine decarboxylase and polyamines at baseline and 6 months after completion of study treatment [ Time Frame: Baseline to 6 months after completion of study treatment ] [ Designated as safety issue: No ]

Estimated Enrollment: 120
Study Start Date: December 2001
Estimated Primary Completion Date: October 2014 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: Arm I
Patients receive oral celecoxib twice daily and oral placebo once daily.
Drug: Celecoxib
400 mg given orally
Other Name: Celebrex
Other: Placebo
Given orally once a day.
Experimental: Arm II
Patients receive celecoxib as in arm I and oral eflornithine once daily.
Drug: Celecoxib
400 mg given orally
Other Name: Celebrex
Drug: Eflornithine
0.5g/m2/day orally rounded down to the nearest 250 mg dose
Other Names:
  • Ornidyl
  • Vaniqa
  • Difluoromethylornithin
  • DFMO

Detailed Description:

OBJECTIVES:

  • Compare the relative efficacy of celecoxib with or without eflornithine, as evidenced by the percentage change from baseline in the number of polyps in focal area(s) of the colorectum, in participants with familial adenomatous polyposis of the colorectum.
  • Compare the tolerability and safety of these preventive regimens in these participants.
  • Compare the percentage change in polyp size in a focal area of the colorectum in participants after receiving these regimens.
  • Compare the change in global colorectal polyp burden in participants after receiving these regimens.
  • Compare the percentage change in the area of plaque-like duodenal polyps in participants with duodenal disease at baseline.

OUTLINE: This is a randomized, double-blind, placebo-controlled, multicenter study. Patients are randomized to 1 of 2 arms.

  • Arm I: Patients receive oral celecoxib twice daily and oral placebo once daily.
  • Arm II: Patients receive celecoxib as in arm I and oral eflornithine once daily.

Treatment in both arms continues for 6 months in the absence of disease progression or unacceptable toxicity.

Patients are followed at 1-2 months after end of study therapy.

PROJECTED ACCRUAL: A total of 120 patients (60 per arm) will be accrued for this study within 13 months.

  Eligibility

Ages Eligible for Study:   18 Years to 65 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  1. Registration Inclusion Criteria - Diagnosis of FAP based on any of the following will be acceptable: a. >100 polyps or b. >10 polyps and age < 40 years, or >25 polyps and age >40 years and characteristic family history (autosomal dominant pattern) including: >100 polyps in a first degree family member or >25 polyps in two relatives in two generations, including a first degree family member or Genetic diagnosis in a relative or c. Genetic diagnosis by in vitro synthesized protein (IVSP) or similar assay.
  2. Registration Inclusion Criteria - Age 18-65 years.
  3. Registration Inclusion Criteria - Willingness to abstain from use of NSAIDs, including aspirin, for the duration of the study.A cardio-protective dose of aspirin (> 80 mg) may be permitted but must be reviewed/approved by PI.
  4. Registration Inclusion Criteria - If participant is female and of child bearing potential, she agrees to participate in this study by providing written informed consent, has been using adequate contraception (e.g. abstinence, condom, IUD, birth control pill, diaphragm and spermicide gel combination) since her last menses and will use adequate contraception during the study, is not lactating, and agrees to undergo a serum pregnancy test at baseline, month 3 and month 6. Sexually active males must agree to use an accepted and effective method of contraception.
  5. Registration Inclusion Criteria - Colon polyp status: The participant has an endoscopically assessable colonic and/or rectal segment.
  6. Registration Inclusion Criteria - Participant has no clinically significant hearing loss that is defined by the patient reporting that their hearing loss affects their everyday life and/or wears a hearing aide.
  7. Registration Inclusion Criteria - Willingness and ability to sign informed consent.
  8. Randomization Inclusion Criteria - The individual has assessable colonic polyps remaining in the colon or rectum post baseline colonoscopy or flexible sigmoidoscopy. Potential participants must have the following colonic or rectal polyp burden at the conclusion of the baseline endoscopy: Rectum: Five or more polyps >/= 2 mm diameter. Colon: Five or more polyps >/= 2 mm diameter including: Three quantifiable polyps >3 mm diameter, or two quantifiable polyps >5 mm diameter. (Cont. criteria #9)
  9. Baseline Randomization Inclusion Criteria (continuation Criteria #8) - In the colon, quantifiable polyps are defined as being within a composite "cloverleaf" photograph that includes a tattoo, the appendix, or the ileocecal valve.
  10. Registration - Inclusion Criteria - Participants whose air conduction pure tone audiogram reveals a deficit that differs from the age specific norm by less than 30 dB when averaged across two contiguous test frequencies in either ear are eligible , as long as no self-reported hearing deficit or tinnitus is present.

Exclusion Criteria:

  1. Registration Exclusion Criteria - Anticipated colectomy within eight months of randomization.
  2. Registration Exclusion Criteria - History of hypersensitivity to COX-2 inhibitors, sulfonamides, NSAIDs or salicylates.
  3. Registration Exclusion Criteria - Chronic use of NSAIDs, including aspirin or Celebrex, at any dose during the six months prior to study entry will require a three-month washout period prior to eligibility beginning with the time of the patient's last dose. Participants must voluntarily agree to be off all NSAIDs for three months prior to study enrollment. A cardio-protective dose of aspirin (>/= 80 mg) may be permitted but must be reviewed/approved by PI.
  4. Registration Exclusion Criteria - The use of fluconazole, lithium or chronic use of adrenocorticosteroids.
  5. Registration Exclusion Criteria - History in the past year of discrete gastric or duodenal ulcer of size >5 mm, except that those with a history of Helicobacter pylori related peptic ulcer disease will become eligible for study upon successfully completing antibiotic treatment of Helicobacter pylori.
  6. Registration Exclusion Criteria - History of invasive carcinoma in the past five years other than resected Duke's A/B1 colon cancer or resected non-melanomatous skin cancer.
  7. Registration Exclusion Criteria - Partial or complete colectomy within 12 months prior to enrollment.
  8. Registration Exclusion Criteria - Inability to return for follow-up tests.
  9. Registration Exclusion Criteria - Significant medical or psychiatric problems, (including significant renal, hepatic or hematologic dysfunction) which would make the individual a poor protocol candidate.
  10. Registration Exclusion Criteria - Use of any investigational agent within the last 3 months, or at the discretion of the medical monitor.
  11. Registration Exclusion Criteria - History of pelvic radiation
  12. Baseline Randomization Exclusion Criteria - Anticipated colectomy within eight months of randomization. The results of the initial endoscopies, including pathology reports and blood tests will be reviewed by the study endoscopist and surgeon prior to initiation of drug treatment to determine if the patient can remain on study.
  13. Baseline Randomization Exclusion Criteria - Discrete gastric or duodenal ulcer of size >5 mm. Patients with Helicobacter pylori related peptic ulcers of >5 mm at the time of the baseline endoscopy will become eligible upon endoscopically documented successful treatment of Helicobacter pylori and of the ulcer(s).
  14. Baseline Randomization Exclusion Criteria - On baseline evaluation: Hgb <10.0 gm/dl, platelet count <100,000/ml; WBC with differential <3,000/ml; SGPT >1.5 x upper limit of normal, SGOT >1.5 upper limit of normal, alkaline phosphatase >1.5 x upper limit of normal, bilirubin >2 x upper limit of normal, creatinine >1.5 x upper limit of normal.
  15. Baseline Randomization Exclusion Criteria - Has had a positive serum pregnancy test within 14 days prior to baseline randomization.
  16. Baseline Randomization Exclusion Criteria - History of cardiovascular diseases or risk factors that might include one of the following: myocardial infarction, angina, coronary angioplasty, congestive heart failure, stroke, or coronary bypass surgery.
  17. Baseline Randomization Exclusion Criteria - Uncontrolled hypertension (>135/>85 mm Hg on three repeated measurements during the 6 weeks prior to enrollment on the study). This pertains to subjects with known diagnosis of hypertension. Such subjects will have been invited to participate in the trial following successful treatment of their known hypertension. Subjects with diagnosis of hypertension established at study entry will be considered cases of potential "white coat" hypertension. (cont criteria 19)
  18. Baseline Randomization Exclusion Criteria - (cont criteria #18) - Such subjects will be otherwise evaluated for protocol and randomized if they agree to be monitored for BP. If BP remains persistently elevated, subjects will be allowed to remain on-study for three months while undergoing antihypertensive therapy and monitoring. If, at the end of 3 months, subjects cannot demonstrate successful BP control as measured and documented locally, dosing will be suspended. Such subjects will nevertheless be urged to complete 6-month offstudy evaluation, for intention to treat analysis.
  19. Baseline Randomization Exclusion Criteria - Family history of premature coronary disease (i.e. onset <55 years of age)
  20. Baseline Randomization Exclusion Criteria - Uncontrolled Diabetes. Subjects with preexisting diagnosis of diabetes will be eligible to participate in the trial if able to document acceptable management by their treating physician. Subjects with diagnosis of diabetes established at study entry will be considered cases of new onset disease.(cont criteria #22)
  21. Baseline Randomization Exclusion Criteria - (cont criteria #21) - Such subjects will be otherwise evaluated for protocol and randomized if they agree to blood sugar monitoring. If glucose remains persistently elevated, subjects will be allowed to remain on-study for three months while undergoing therapy and monitoring. If, at the end of 3 months, subjects cannot demonstrate successful glucose control as measured and documented locally, dosing will be suspended. Such subjects will nevertheless be urged to complete 6-month offstudy evaluation, for intention to treat analysis.
  22. Baseline Randomization Exclusion Criteria - Uncontrolled hypercholesteremia [low-density lipoprotein cholesterol (LDL-C) > 130]. Hypercholesteremia needs to be controlled following the updated National Cholesterol Education Program Adult Treatment Panel III Guidelines for at least 3 months prior to enrollment on the study. Hypercholesteremia treatment should continue during the entire period of Celecoxib treatment on the protocol. This pertains to subjects with known diagnosis of hypercholesterolemia. (cont criteria # 24)
  23. Baseline Randomization Exclusion Criteria - (cont criteria # 23) - Such subjects will have been invited to participate in the trial following successful treatment of their elevated cholesterol. Subjects with diagnosis of hypercholesterolemia established at study entry will be considered cases of new onset disease. Such subjects will be otherwise evaluated for protocol and randomized if they agree to cholesterol treatment and monitoring. (Cont criteria # 25)
  24. Baseline Randomization Exclusion Criteria - (cont Criteria # 24) - Subjects will be allowed to remain on-study for three months while undergoing therapy and monitoring. If, at the end of 3 months, subjects cannot demonstrate successful cholesterol control as measured and documented locally, dosing will be suspended. Such subjects will nevertheless be urged to complete 6-month offstudy evaluation, for intention to treat analysis.
  25. Baseline Randomization Exclusion Criteria - Metabolic syndrome diagnosis. The diagnosis of metabolic syndrome is made when three or more of these risk factors are present: a.Waist circumference : Men > 102 cm (> 40 in.); Women > 88 cm (> 35 in.), b.Triglycerides > 150 mg/dl ( >1.69 mmol/L), c.High-density lipoprotein cholesterol (HDL-C): [Men < 40 mg/dl (<1.03 mmol/L), Women < 50 mg/dl (<1.29 mmol/L)], d. Blood pressure > 130/85 mm Hg, e. Fasting glucose > 110 mg/dl (>6.1 mmol/L)
  26. Baseline Randomization Exclusion Criteria - History of deep venous thrombosis, pulmonary embolism, systemic lupus erythematous, family history of protein S or C deficiencies, prior heparin-induced thrombocytopenia, Factor V Leiden deficiencies or high homocysteine levels
  27. Baseline Randomization Exclusion Criteria - Any indications for ASA
  28. Baseline Randomization Exclusion Criteria - Known or prior coagulopathy
  29. Baseline Randomization Exclusion Criteria - Elevated CRP (>3.0 mg/dL)
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00033371

Locations
United States, Ohio
Cleveland Clinic Taussig Cancer Center
Cleveland, Ohio, United States, 44195
United States, Texas
M. D. Anderson Cancer Center at University of Texas
Houston, Texas, United States, 77030-4009
United Kingdom
St. Mark's Hospital
Harrow, England, United Kingdom, HA1 3UJ
Sponsors and Collaborators
Investigators
Study Chair: Patrick M. Lynch, MD, JD M.D. Anderson Cancer Center
  More Information

Additional Information:
No publications provided

Responsible Party: National Cancer Institute (NCI)
ClinicalTrials.gov Identifier: NCT00033371     History of Changes
Other Study ID Numbers: ID00-109, P30CA016672, MDA-ID-00109, NCI-P02-0219, CDR0000069278
Study First Received: April 9, 2002
Last Updated: November 9, 2012
Health Authority: United States: Food and Drug Administration

Keywords provided by National Cancer Institute (NCI):
colon cancer
rectal cancer
familial adenomatous polyposis
FAM
precancerous condition

Additional relevant MeSH terms:
Colorectal Neoplasms
Adenomatous Polyposis Coli
Precancerous Conditions
Intestinal Neoplasms
Gastrointestinal Neoplasms
Digestive System Neoplasms
Neoplasms by Site
Neoplasms
Digestive System Diseases
Gastrointestinal Diseases
Colonic Diseases
Intestinal Diseases
Rectal Diseases
Adenomatous Polyps
Adenoma
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Colonic Neoplasms
Neoplastic Syndromes, Hereditary
Intestinal Polyposis
Genetic Diseases, Inborn
Eflornithine
Celecoxib
Antineoplastic Agents
Therapeutic Uses
Pharmacologic Actions
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Trypanocidal Agents
Antiprotozoal Agents

ClinicalTrials.gov processed this record on May 22, 2013