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- Klinische proef NCT00001693
Phase I-II Multiple-Dose Safety and Efficacy Study of a Selective Inhibitor of Cyclooxygenase - 2 (SC-58635) in Hereditary Non-Polyposis Colorectal Cancer (HNPCC) Patients and Carriers
This is a randomized, placebo-controlled Phase I/II multi-center trial, of the safety and efficacy of Celecoxib in a cohort of 81 HNPCC subjects and gene carriers. The three proposed intervention arms are: Celecoxib (to be provided by Searle) will be administered at 200mg p.o. BID x 12 months or 400mg p.o. BID x 12 months vs. Placebo p.o. BID x 12 months. Assessment of endoscopic and tissue-based biomarker endpoints will be conducted at baseline and 12 months on study drug or placebo. Patients that present with polyps at baseline will undergo a month 4 endoscopy. Plasma drug trough samples for pharmacokinetic analyses will be collected at baseline and month 12. NCI-Chemoprevention Branch will coordinate the efforts and activities of all sites.
Safety monitoring will occur via in-patient interviews with exams at month twelve; symptom questionnaires completed at baseline, months one, four, eight and twelve; blood and urinalysis at baseline and at months one, four, eight and twelve. A post-administration telephone call to evaluate side effect resolution will occur at months 13-14 for patients who have unresolved adverse events at the end of month 12.
Studie Overzicht
Toestand
Interventie / Behandeling
Gedetailleerde beschrijving
This is a randomized, placebo controlled Phase I/II multi-center trial, of the safety and efficacy of Celecoxib in a cohort of 81 HNPCC subjects and gene carriers. The three proposed intervention arms are: Celecoxib (to be provided by Searle) will be administered at 200 mg p.o. BID x 12 months or 400 mg p.o. BID x 12 months vs. Placebo p.o. BID x 12 months. Assessment of endoscopic and tissue-based biomarker endpoints will be conducted at baseline and 12 months on study drug or placebo. Patients that present with polyps at baseline will undergo a month 4 endoscopy. Plasma drug trough samples for pharmacokinetic analyses will be collected at baseline and month 12. NCI-Chemoprevention Branch will coordinate the efforts and activities of all sites.
Safety monitoring will occur via in-patient interviews with exams at month twelve; symptom questionnaires completed at baseline, months one, four, eight and twelve; blood and urinalysis at baseline and at months one, four, eight and twelve. A post-administration telephone call to evaluate side effect resolution will occur at months 13-14 for patients who have unresolved adverse events at the end of month 12.
Studietype
Inschrijving
Fase
- Fase 1
Contacten en locaties
Studie Locaties
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Maryland
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Bethesda, Maryland, Verenigde Staten, 20892
- National Cancer Institute (NCI)
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Kind
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Diagnosis of HNPCC patient or HNPCC carrier status defined by:
HNPCC patient is an individual with a personal history of RER plus HNPCC related malignancy AND; meets the Amsterdam criteria or modified Amsterdam criteria (an HNPCC associated extracolonic cancer may be substituted for one of the three colorectal cases in one family otherwise required by these criteria) OR; having a definite mutation of one of the HNPCC - related genes identified by gene sequencing or other method of reliability. This includes gene status determined through segregation analysis in cases in which "direct" testing yields no alteration.
HNPCC carrier is a relative of an individual meeting the criteria of an "HNPCC patient" as described above and having a mutation of one of the HNPCC-related genes identified by gene sequencing or other method of equivalent reliability (this includes gene status determined through segregation analysis in cases in which direct testing yields no alterations, as above) OR; having an RER plus adenoma.
Age greater than or equal to 18 years.
Voluntary consent documented by a signed and witnessed informed consent.
Willingness to abstain from use of NSAID's (including aspirin), oral adrenocorticosteroids, and other nonsterodial OTC products for the duration of the study.
If patient is female and of childbearing potential, she must meet all of the following conditions:
Have been using adequate contraception (e.g., abstinence, condom, IUD, birth control pill, diaphragm and spermicide gel combination) since her last menses AND;
Be willing to use adequate contraception (as above) during the study AND;
Not be breastfeeding AND;
Have a negative serum pregnancy test within 14 days prior to study drug administration.
Though an individual with prior colorectal surgery is allowed, the subject must have greater than or equal to 50 percent of the colorectum with documentation describing the post-surgical anatomy (e.g., operative report).
No use of investigational agent within the last 3 months, or at the discretion of the medical monitor.
The subject will be allowed to proceed to baseline colonoscopy so long as all of the following laboratory criteria are met on baseline evaluation: Hgb greater than 10.0 gm/dl, platelet count greater than 100,000/ul; WBC greater than 3,000/ul; ALT less than 1.5 x upper limit of normal; AST less than 1.5 x upper limit of normal, alkaline phosphatase less than 1.5 x upper limit of normal, total bilirubin less than 1.2 x upper limit of normal, creatinine less than 1.5 x upper limit of normal, negative pregnancy test. For tests not mentioned specifically, there must be no clinically significant abnormalities which in the opinion of the PI would preclude a subject's safe participation.
To proceed to randomization, the subject must have all of the following:
An assessable colon or colonic segment (greater than or equal to 50 percent) which was endoscopically evaluated in its entirety following an adequate preparative procedure AND;
An assessment of aberrant crypt foci via "enhanced" endoscopy 10 cm distal to the ileocecal valve or 10 cm distal to the anastamosis and at the distal most 10 cm from the rectum AND;
All polyps must have been removed with the exception of small polyps (less than or equal to 0.6 cm in maximal diameter) amenable to serial endoscopic surveillance AND;
Mucosal sampling via pinch biopsies must have been obtained from normal-appearing mucosa in standardized areas of the right and left colon (or surrogate regions in the case of prior surgical resections) and from any areas that are clearly neoplastic or suspicious for neoplastic pathologies (ACF, adenomas, carcinomas) of interest.
No anticipated colectomy within eighteen months of randomization.
No history of hypersensitivity to COX-2 inhibitors, sulfonamides, NSAID's or salicylates.
No use of NSAID's (including aspirin) or oral adrenocorticosteroids, at any dose at a frequency averaging greater than 3 times per week during the six months prior to study entry. Use of such NSAID's or oral adrenocorticosteroids at the above frequency will require a six-month washout period prior to eligibility, beginning with the time of the patient's last dose. Use of any dose of NSAID's or oral adrenocorticosteroids, at an average frequency of 1-3 times per week during the six months prior to study entry will require a three-month washout period beginning with the time of last dose.
No history in the past year of discrete gastric or duodenal ulcer of size greater than 5 mm, except that patients with a history of Helicobacter pylori-related peptic ulcer disease may become eligible for study upon successfully completing antibiotic treatment of Helicobacter pylori.
Ability to participate in the scheduled follow-up tests.
No significant medical or psychiatric problems which would make the patient a poor protocol candidate, in the opinion of the principal investigator.
No "unacceptable clinical risk" to proceed (based upon the subclinical discoveries made via baseline colonoscopy and biopsies) including a previously-unknown bleeding diathesis, a new diagnosis of carcinoma, suspicion that the subject may require colectomy (complete or partial) within eighteen months of randomization.
Patient must not have undergone a colectomy within the past 6 months.
Patient must not have undergone chemotherapy within the past 6 months.
Patient must not have received pelvic radiation.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
Medewerkers en onderzoekers
Sponsor
Publicaties en nuttige links
Algemene publicaties
- Reddy BS, Rao CV, Seibert K. Evaluation of cyclooxygenase-2 inhibitor for potential chemopreventive properties in colon carcinogenesis. Cancer Res. 1996 Oct 15;56(20):4566-9.
- Marra G, Boland CR. Hereditary nonpolyposis colorectal cancer: the syndrome, the genes, and historical perspectives. J Natl Cancer Inst. 1995 Aug 2;87(15):1114-25. doi: 10.1093/jnci/87.15.1114.
- Tsujii M, DuBois RN. Alterations in cellular adhesion and apoptosis in epithelial cells overexpressing prostaglandin endoperoxide synthase 2. Cell. 1995 Nov 3;83(3):493-501. doi: 10.1016/0092-8674(95)90127-2.
Studie record data
Bestudeer belangrijke data
Studie start
Studie voltooiing
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
- Ziekten van het spijsverteringsstelsel
- Metabole ziekten
- Neoplasmata
- Neoplasmata per site
- Gastro-intestinale neoplasmata
- Neoplasmata van het spijsverteringsstelsel
- Gastro-intestinale aandoeningen
- Genetische ziekten, aangeboren
- Colon Ziekten
- Darmziekten
- Intestinale neoplasmata
- Rectale ziekten
- Neoplastische syndromen, erfelijk
- DNA-reparatie-deficiëntiestoornissen
- Colorectale neoplasmata
- Colorectale neoplasmata, erfelijke non-polyposis
- Fysiologische effecten van medicijnen
- Moleculaire mechanismen van farmacologische werking
- Agenten van het perifere zenuwstelsel
- Enzymremmers
- Pijnstillers
- Sensorische systeemagenten
- Ontstekingsremmers, niet-steroïde
- Pijnstillers, niet-narcotisch
- Ontstekingsremmende middelen
- Antireumatische middelen
- Cyclo-oxygenaseremmers
- Cyclo-oxygenase 2-remmers
- Celecoxib
Andere studie-ID-nummers
- 980087
- 98-C-0087
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