Clostridium Difficile Clinical Trial
Official title:
Multicenter, Double Blind, Metronidazole Controlled, Dose Range Finding Study of Nitazoxanide in the Treatment of Clostridium Difficile Colitis
Verified date | October 2005 |
Source | Romark Laboratories L.C. |
Contact | n/a |
Is FDA regulated | No |
Health authority | United States: Food and Drug Administration |
Study type | Interventional |
The primary objective is to demonstrate non-inferiority of nitazoxanide administered 500 mg b.i.d compared to metronidazole administered 250 mg q.i.d. in resolving symptoms of Clotridium difficile colitis after seven days of treatment. Secondary objectives are to provide information on the times from first dose to last unformed stool and resolution of symptoms of colitis, the sustained response rates for the different tratment groups and the effect of treatment on Clostridium difficile toxin enzyme immunoassay/culture results during hospitalization.
Status | Completed |
Enrollment | 114 |
Est. completion date | September 2005 |
Est. primary completion date | |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Age = 18 years. - In-patients with new onset of colitis evidenced by diarrhea (=3 unformed stools within 24 hours), with one or more of the following: abdominal pain or cramps; peripheral leukocytosis, otherwise unexplained; or fever, otherwise unexplained. - C. difficile toxin A or B detected in a stool specimen obtained within 7 days before enrollment by enzyme immunoassay. - Patients able to take oral medications. - Patients willing to avoid the following medications during the study: oral and intravenous metronidazole, oral vancomycin, anti-peristaltic drugs, opiates, Saccharomyces cerevisiae (baker’s yeast), Lactobacillus GC, cholestyramine or colestipol. [Patients on opiates may be included in the study as long as they were taking opiates prior to enrollment and the dose is not increased during the study]. - Patients willing to abstain from alcohol during the 10-day treatment duration and for two days following treatment. Exclusion Criteria: - Patients with other known causes of diarrhea or colitis (e.g., Shigella, Salmonella, Cryptosporidium parvum, Giardia lamblia, Entamoeba histolytica, inflammatory bowel disease, irritable bowel syndrome, advanced AIDS or chemotherapy for malignancy). - Use within 1 week of enrollment of any drug or therapy with anti-C. difficile activity such as oral or intravenous metronidazole and oral vancomycin. [Patients that have taken up to 2 doses of metronidazole or vancomycin can be included in the study]. - Females of child bearing age who are either pregnant, breast-feeding or not using birth control. A double barrier method, oral birth control pills administered for at least 2 monthly cycles prior to study drug administration, an IUD, or medroxyprogesterone acetate administered intramuscularly for a minimum of one month prior to study drug administration are acceptable methods of birth control for inclusion into the study. In addition, female patients of child-bearing potential should have a baseline pregnancy test and should agree to continue an acceptable method of birth control for the duration of the study (including follow-up). - Patients taking phenytoin, celecoxib, and/or losartan. [Patients taking Coumadin® (warfarin) may be included as long the prothrombin time is monitored at least twice weekly during the first 2 weeks of the study and at least weekly thereafter]. - Patients with severe renal or hepatic impairment. - Patients who are clinically unstable (e.g., patients with signs of toxic megacolon or imminent perforation). - Serious systemic disorders incompatible with the study. - History of hypersensitivity to metronidazole. |
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
United States | Lehigh Valley Hospital | Allentown | Pennsylvania |
United States | Remington-Davis, Inc., and Riverside Infection Consultants, Inc. | Columbus | Ohio |
United States | Houston Veterans Affairs Hospital | Houston | Texas |
United States | St. Luke's Episcopal Hospital | Houston | Texas |
United States | WellStar Infectious Diseases | Marietta | Georgia |
United States | Bayfront Medical Center and Edward White Hospital | St. Petersburg | Florida |
United States | The Reading Hospital and Medical Center | West Reading | Pennsylvania |
Lead Sponsor | Collaborator |
---|---|
Romark Laboratories L.C. |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Clinical response (resolution of all symptoms present at baseline) recorded on day 8 | |||
Secondary | Time from first dose to passage of last unformed stool | |||
Secondary | Time from first dose to resolution of symptoms | |||
Secondary | Sustained clinical response (resolution of all symptoms present at baseline with no recurrence during follow-up) | |||
Secondary | C. difficile toxin enzyme immunoassay/culture results during hospitalization |
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