HIV Infections Clinical Trial
Official title:
A Phase II/III Placebo-Controlled Study of Nitazoxanide (NTZ) For Persons With AIDS and Cryptosporidiosis
NCT number | NCT00001081 |
Other study ID # | ACTG 336 |
Secondary ID | 10690 |
Status | Completed |
Phase | Phase 2 |
First received | |
Last updated | |
Est. completion date | September 1998 |
Verified date | October 2021 |
Source | National Institute of Allergy and Infectious Diseases (NIAID) |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
To determine the frequency of complete, marked, and partial clinical responses in patients with cryptosporidiosis treated with 6 weeks of NTZ versus 21 days of placebo. To determine the safety of NTZ in subjects with cryptosporidiosis. There is no proven therapy for cryptosporidiosis in persons with AIDS. Nitazoxanide appears to be a good candidate drug for further evaluation because of its effectiveness in preclinical models, the data from early clinical trials and its safety profile. Cooperation between clinical researchers and basic scientists in clinical trials of agents for HIV infection and its complications is a high priority for the ACTG, the NIAID, and the NIH. Thus, it is important to design a clinical trial of NTZ that includes cooperation with basic scientists.
Status | Completed |
Enrollment | 60 |
Est. completion date | September 1998 |
Est. primary completion date | |
Accepts healthy volunteers | No |
Gender | All |
Age group | 13 Years and older |
Eligibility | Inclusion Criteria Patients must have: - Documented HIV infection. - Intestinal cryptosporidiosis. - Willingness to undergo a 1 week washout phase of all anticryptosporidial medications and stabilization on a protocol directed, antidiarrheal regimen. - Greater than or equal to 4 stools per day, on average, for a minimum of 21 out of 28 days prior to study entry, secondary to cryptosporidiosis. AS PER AMENDMENT 2/10/97: - Four or more stools per day, on average, during the 5-day screening period prior to baseline. Exclusion Criteria Co-existing Condition: Patients with the following symptoms and conditions are excluded: - Inability to tolerate oral medications. - Life expectancy less than 3 months in the opinion of the investigator. - Active CMV colitis, C. difficile colitis, giardiasis, salmonellosis, shigellosis, campylobacteriosis, inflammatory bowel disease, diarrhea secondary to another documented intestinal pathogen, or active or uncontrolled MAC disease, defined as symptomatic MAC disease and/or a patient who is not on appropriate anti-MAC therapy in the presence of MAC disease. NOTE: - Patients who have been treated for MAC disease for at least 4 weeks and have resolved their symptoms may be enrolled. Patients dually infected with microsporidiosis may be randomized to the study but will not count toward the sample size. AS PER AMENDMENT 2/10/97: - Failure to record a minimum of four days of information on the use of antidiarrheal medication and the frequency of bowel movements in the daily diary during the screening period. - Allergy to corn or corn products. Concurrent Medication: Excluded: - Need for continuing use of any medications with putative anticryptosporidial activity, including paromomycin, azithromycin, clarithromycin, spiramycin, bovine colostrum, monoclonal anticryptosporidial antibody preparations, letrazuril, atovaquone, diclazuril, octreotide and albendazole (prohibited during the acute treatment phase for patients dually infected with microsporidiosis).. NOTE: - Patients who develop cryptosporidiosis while taking azithromycin or clarithromycin may be enrolled as long as they have been taking those medications for at least four weeks and remain on a stable dosage. - All antidiarrheals that are not part of the protocol directed Antidiarrheal Stabilization Regimen. - The addition of any new antiretroviral agent or immunomodulator therapy the first 63 days on the study. Prior Medication: Excluded: - Treatment at any time prior with nitazoxanide. - Addition of any new antiretroviral or increase in the dosage or current antiretrovirals within 4 weeks to study entry. |
Country | Name | City | State |
---|---|---|---|
United States | Cook County Hosp. CORE Ctr. | Chicago | Illinois |
Lead Sponsor | Collaborator |
---|---|
National Institute of Allergy and Infectious Diseases (NIAID) |
United States,
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