Celecoxib With or Without Eflornithine in Preventing Colorectal Cancer in Patients With Familial Adenomatous Polyposis
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ClinicalTrials.gov Identifier: NCT00033371 |
Recruitment Status :
Completed
First Posted : January 27, 2003
Results First Posted : February 4, 2015
Last Update Posted : September 29, 2020
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Sponsor:
National Cancer Institute (NCI)
Information provided by (Responsible Party):
National Cancer Institute (NCI)
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Study Type | Interventional |
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Study Design | Allocation: Randomized; Intervention Model: Parallel Assignment; Masking: Double (Participant, Investigator); Primary Purpose: Treatment |
Conditions |
Colorectal Cancer Familial Adenomatous Polyposis |
Interventions |
Drug: Celecoxib Other: Placebo Drug: eflornithine Other: Laboratory biomarker analysis Other: Questionnaire administration |
Enrollment | 205 |
Participant Flow
Recruitment Details | Recruitment Period: December 13, 2001 to October 21, 2008. All recruitment done in medical clinics, with the trial conducted at the University of Texas MD Anderson Cancer, the Cleveland Clinic in Cleveland and St. Mark's Hospital in Harrow, UK. |
Pre-assignment Details | Of the 205 participants with familial adenomatous polyposis (FAP) recruited, 112 were randomized. The study was closed due to slow recruitment with enrollment target almost met. |
Arm/Group Title | Arm I: Celecoxib and Placebo | Arm II: Celecoxib and Eflornithine |
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Celecoxib 400 mg orally twice daily (PO BID) and Placebo once a day. Treatment continues for 6 months (up to 200 days). | Celecoxib 400 mg PO BID and Eflornithine PO daily 0.5 g/m^2/day rounded down to the nearest 250 mg dose (body surface area (BSA) of < 1.4 = 500 mg/day; BSA of 1.5 - 2.0 = 750 mg/day; BSA of 2.1 - 2.5 = 1000 mg/day; BSA of > 2.6 = 1,250 mg/day). Treatment continues for 6 months (up to 200 days). |
Period Title: Overall Study | ||
Started | 55 | 57 |
Completed | 49 | 47 |
Not Completed | 6 | 10 |
Reason Not Completed | ||
Adverse Event | 1 | 5 |
Lost to Follow-up | 2 | 1 |
Withdrawal by Subject | 3 | 3 |
Disease Progression | 0 | 1 |
Baseline Characteristics
Arm/Group Title | Arm I: Celecoxib and Placebo | Arm II: Celecoxib and Eflornithine | Total | |
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Celecoxib 400 mg orally twice daily (PO BID) and Placebo once a day. Treatment continues for 6 months (up to 200 days). | Celecoxib 400 mg PO BID and Eflornithine PO daily 0.5 g/m^2/day rounded down to the nearest 250 mg dose (body surface area (BSA) of < 1.4 = 500 mg/day; BSA of 1.5 - 2.0 = 750 mg/day; BSA of 2.1 - 2.5 = 1000 mg/day; BSA of > 2.6 = 1,250 mg/day). Treatment continues for 6 months (up to 200 days). | Total of all reporting groups | |
Overall Number of Baseline Participants | 55 | 57 | 112 | |
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According to the protocol, a patient needed to receive at least 80% of intended overall dose AND at least 80% dose during the final 60 days of the study to qualify as evaluable. One participant was randomized to Arm II but withdrew prior to receiving any treatment.
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Age, Continuous
Median (Full Range) Unit of measure: Years |
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Number Analyzed | 55 participants | 57 participants | 112 participants | |
38
(18 to 63)
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38
(19 to 59)
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38
(18 to 63)
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Sex: Female, Male
Measure Type: Count of Participants Unit of measure: Participants |
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Number Analyzed | 55 participants | 57 participants | 112 participants | |
Female |
25 45.5%
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27 47.4%
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52 46.4%
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Male |
30 54.5%
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30 52.6%
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60 53.6%
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Ethnicity (NIH/OMB)
Measure Type: Count of Participants Unit of measure: Participants |
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Number Analyzed | 55 participants | 57 participants | 112 participants | |
Hispanic or Latino |
7 12.7%
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4 7.0%
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11 9.8%
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Not Hispanic or Latino |
46 83.6%
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50 87.7%
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96 85.7%
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Unknown or Not Reported |
2 3.6%
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3 5.3%
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5 4.5%
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Race (NIH/OMB)
Measure Type: Count of Participants Unit of measure: Participants |
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Number Analyzed | 55 participants | 57 participants | 112 participants | |
American Indian or Alaska Native |
0 0.0%
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0 0.0%
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0 0.0%
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Asian |
0 0.0%
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1 1.8%
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1 0.9%
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Native Hawaiian or Other Pacific Islander |
0 0.0%
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0 0.0%
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0 0.0%
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Black or African American |
0 0.0%
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1 1.8%
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1 0.9%
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White |
53 96.4%
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53 93.0%
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106 94.6%
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More than one race |
0 0.0%
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0 0.0%
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0 0.0%
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Unknown or Not Reported |
2 3.6%
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2 3.5%
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4 3.6%
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Region of Enrollment
Measure Type: Number Unit of measure: Participants |
Number Analyzed | 55 participants | 57 participants | 112 participants |
United States | 42 | 43 | 85 | |
United Kingdom | 13 | 14 | 27 | |
Basis of FAP Diagnosis
[1] Measure Type: Number Unit of measure: Participants |
Number Analyzed | 55 participants | 57 participants | 112 participants |
>100 Polyps | 21 | 23 | 44 | |
>10 Polyps and age <40 | 28 | 23 | 51 | |
>25 Polyps and age >40 | 6 | 11 | 17 | |
[1]
Measure Description: Eligible participants aged 18-65 years required to have clinical diagnosis of FAP based on personal history of one of following a)>100 adenomas; b)>10 adenomas before age 40 years; c)>25 adenomas and, if age>40 years, a characteristic family history (autosomal dominant pattern) including >100 polyps in first degree family member, >25 polyps in 2 relatives in two generations, genetic diagnosis in a relative, or d) genetic diagnosis by sequencing/similar assay. Participants required to have an evaluable colon and/or rectal segment, and 5 or more colorectal polyps' ≥2mm at baseline examination.
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Colon versus Rectum
[1] Measure Type: Number Unit of measure: Participants |
Number Analyzed | 55 participants | 57 participants | 112 participants |
Colon | 19 | 27 | 46 | |
Rectum Only | 36 | 30 | 66 | |
[1]
Measure Description: Number of participants with intact colon (Colon); or those with rectum only (Rectum Only).
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Number of Landmark Polyps at Baseline Screen
Measure Type: Number Unit of measure: Participants |
Number Analyzed | 55 participants | 57 participants | 112 participants |
0-1 | 3 | 5 | 8 | |
2-4 | 7 | 12 | 19 | |
5-9 | 19 | 21 | 40 | |
10 or more | 22 | 19 | 41 | |
No Baseline Screen | 4 | 0 | 4 | |
Number of Landmark Polyps at least 2 mm at Baseline Screen
Measure Type: Number Unit of measure: Participants |
Number Analyzed | 55 participants | 57 participants | 112 participants |
0-1 | 13 | 20 | 33 | |
2-4 | 12 | 23 | 35 | |
5-9 | 22 | 8 | 30 | |
10 or more | 4 | 6 | 10 | |
No Baseline Screen | 4 | 0 | 4 | |
Number Landmark Polyps at least 2 mm at Baseline Screen for Evaluable polyps, Evaluable Participants
Measure Type: Number Unit of measure: Participants |
Number Analyzed | 55 participants | 57 participants | 112 participants |
0-1 | 9 | 13 | 22 | |
2-4 | 11 | 13 | 24 | |
5-9 | 13 | 5 | 18 | |
10 or more | 0 | 4 | 4 | |
No Baseline Screen | 4 | 0 | 4 | |
Not Evaulable Participant | 18 | 22 | 40 |
Outcome Measures
Adverse Events
Limitations and Caveats
Following reports of COX-2 inhibitor-associated cardiovascular toxicities, trial suspended from December 17, 2004 to March 18, 2005 pending reevaluation of cardiovascular risks, only two sites resumed the trial.
More Information
Results Point of Contact
Name/Title: | Patrick Lynch, MD/Professor, Gastroenterology/Hepatology |
Organization: | University of Texas (UT) MD Anderson Cancer Center |
Phone: | 713-794-5073 |
EMail: | plynch@mdanderson.org |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | National Cancer Institute (NCI) |
ClinicalTrials.gov Identifier: | NCT00033371 |
Other Study ID Numbers: |
NCI-2013-00844 NCI-2013-00844 ( Registry Identifier: CTRP (Clinical Trial Reporting Program) ) N01-CN95040 CDR0000069278 NCI-P02-0219 ID00-109 ( Other Identifier: MD Anderson Cancer Center ) P30CA016672 ( U.S. NIH Grant/Contract ) MDA-ID-00109 ( Other Identifier: MD Anderson Cancer Network ) N01-CN-95040 ( Other Identifier: DCP ) N01CN95040 ( Other Identifier: US NIH Grant/Contract Award Number ) |
First Submitted: | April 9, 2002 |
First Posted: | January 27, 2003 |
Results First Submitted: | January 26, 2015 |
Results First Posted: | February 4, 2015 |
Last Update Posted: | September 29, 2020 |