![]() |
Home
Search
Study Topics
Glossary
|
![]() |
![]() |
|
![]() |
|
![]() |
|
![]() |
![]() |
![]() |
|
![]() |
![]() |
Tracking Information | |||||
---|---|---|---|---|---|
First Received Date † | April 2, 2003 | ||||
Last Updated Date | June 23, 2005 | ||||
Start Date † | September 1997 | ||||
Current Primary Outcome Measures † | |||||
Original Primary Outcome Measures † | |||||
Change History | Complete list of historical versions of study NCT00057486 on ClinicalTrials.gov Archive Site | ||||
Current Secondary Outcome Measures † | |||||
Original Secondary Outcome Measures † | |||||
Descriptive Information | |||||
Brief Title † | Interleukin 12 (IL-12) for the Treatment of Cryptosporidiosis in AIDS Patients | ||||
Official Title † | A Pilot, Proof-of-Concept, Dose-Escalating Trial of Recombinant Human Interleukin-12 (rhIL-12) Versus Placebo Along With Paromomycin and Azithromycin for Chronic Cryptosporidiosis in AIDS | ||||
Brief Summary | There is no proven effective treatment for chronic diarrhea caused by the parasite Cryptosporidium in advanced AIDS. This trial will test the safety of interleukin-12 (IL-12) as part of a combination therapy for this parasite. |
||||
Detailed Description | Cryptosporidium parvum can cause chronic diarrhea and biliary disease in people with AIDS, resulting in significant morbidity and mortality. Highly effective antiparasitic treatment for this infection is not currently available. Paromomycin and azithromycin have some efficacy and have been used in combination in a small number of patients. However, in clinical trials of this drug combination, patients remained infected with the parasite despite improvement of their symptoms. Improving the immune system with highly active antiretroviral therapy (HAART) has been the most effective therapy described for cryptosporidiosis (chronic infection with Cryptosporidium parvum), with over 80% of patients showing improvement. However, immune reconstitution is not possible in all patients. Interferon gamma expression is strongly associated with control of cryptosporidiosis. IL-12 stimulates interferon gamma, and IL-12 treatment has been shown to prevent cryptosporidiosis in mice. This study will evaluate IL-12 in combination with standard therapy for cryptosporidiosis in patients with AIDS. This is a dose-escalation study. All patients will be treated with paromomycin and azithromycin. The initial group will be treated with either 110 ng/kg IL-12 (6 patients) or placebo injections (2 patients) twice a week for 4 weeks. If the initial dose is ineffective and the combination of drugs is tolerated, a second group of patients will be randomized to either 300 ng/kg IL-12 (6 patients) or placebo injections (2 patients) twice a week for 4 weeks. Patients will be evaluated for eradication of the parasite (as measured by immunofluorescence and intestinal biopsy), decreases in stool frequency, decreases in 24 hour stool volume, stimulation of intestinal Th1 cytokine production, increases in body weight, improvements in Karnofsky score, and improvements in serum alkaline phosphatase levels and transaminases (if elevated at baseline). |
||||
Study Phase | Phase I, Phase II | ||||
Study Type † | Interventional | ||||
Study Design † | Treatment, Randomized, Double-Blind, Placebo Control, Parallel Assignment, Safety/Efficacy Study | ||||
Condition † |
|
||||
Intervention † | Drug: IL-12 | ||||
Study Arms / Comparison Groups | |||||
Publications * | |||||
* Includes publications given by the data provider as well as publications identified by National Clinical Trials Identifier (NCT ID) in Medline. |
|||||
Recruitment Information | |||||
Recruitment Status † | Terminated | ||||
Enrollment † | 2 | ||||
Completion Date | June 2002 | ||||
Primary Completion Date | |||||
Eligibility Criteria † | Inclusion criteria:
Exclusion Criteria:
|
||||
Gender | Both | ||||
Ages | 18 Years and older | ||||
Accepts Healthy Volunteers | No | ||||
Contacts †† | |||||
Location Countries † | |||||
Expanded Access Status | |||||
Administrative Information | |||||
NCT ID † | NCT00057486 | ||||
Responsible Party | |||||
Secondary IDs †† | 5R01AI041735-05 | ||||
Study Sponsor † | National Institute of Allergy and Infectious Diseases (NIAID) | ||||
Collaborators †† | |||||
Investigators † |
|
||||
Information Provided By | National Institute of Allergy and Infectious Diseases (NIAID) | ||||
Verification Date | March 2003 | ||||
† Required WHO trial registration data element. †† WHO trial registration data element that is required only if it exists. |