Kaletra Monotherapy in HIV/HCV Co-infected Subjects
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The study has been designed to test the hypothesis that in patients co-infected with HIV and HCV who exhibit maximal virologic suppression on a double class antiretroviral (ARV) regimen, including two Nucleoside Reverse Transcriptase Inhibitors (NRTIs) and a Non-nucleoside Reverse Transcriptase Inhibitors (NNRTI) or a Protease Inhibitor (PI) (boosted or not with ritonavir), simplification of highly active antiretroviral therapy (HAART) to Kaletra® monotherapy will represent a viable strategy without any negative impact on the virologic control of HIV infection.
Condition | Intervention | Phase |
---|---|---|
HIV Infections |
Drug: Kaletra Tablets |
Phase 3 |
Study Type: | Interventional |
Study Design: | Allocation: Non-Randomized Endpoint Classification: Safety/Efficacy Study Intervention Model: Single Group Assignment Masking: Open Label Primary Purpose: Treatment |
Official Title: | A Pilot, Prospective, Open-label Study to Evaluate the Safety and Efficacy of Kaletra® Monotherapy in HIV/HCV Co-infected Subjects. |
- The primary objective of this study is to assess the safety and efficacy of Kaletra® (lopinavir/ritonavir) monotherapy in the treatment of patients co-infected with HIV and HCV. [ Time Frame: 48 weeks ] [ Designated as safety issue: Yes ]patients on cART switched to Kaletra monotherapy an monitored for 48 weeks thereafter
- To investigate and compare the pharmacokinetics (PK) of Kaletra® monotherapy at steady-state between co-infected subjects with advanced liver fibrosis (stage 3-4) and those with minimal liver disease (stage 0-2) [ Time Frame: 24 weeks ] [ Designated as safety issue: No ]PK measured at week 4 and 24
- To study compliance of subjects [ Time Frame: 48 weeks ] [ Designated as safety issue: No ]adherence assessed at each study visit
Enrollment: | 22 |
Study Start Date: | June 2007 |
Study Completion Date: | April 2011 |
Primary Completion Date: | March 2011 (Final data collection date for primary outcome measure) |
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Drug: Kaletra Tablets
The primary purpose of this study is to determine how safe and effective the drug Kaletra® is in treating HIV when it is administered without any other antiretroviral drugs (monotherapy). Kaletra® is 2 protease inhibitors (lopinavir and ritonavir) combined in one dosage form.
Kaletra monotherapy is experimental and subjects eligible to the study are switching from a successful conventional triple therapy to an unproven experimental therapy.
Approximately 40 HIV/HCV coinfected participants, aged over 18 years will participate in this study.
![](https://webarchive.library.unt.edu/web/20130305100603im_/http://clinicaltrials.gov/ct2/html/images/frame/triangle.gif)
Ages Eligible for Study: | 18 Years and older |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | No |
Inclusion Criteria
- Subject has confirmed his or her willingness to participate in the study after being informed of all aspects of the trial that are relevant to his or her decision to participate, by signing and dating the IRB / IEC approved informed consent form.
- Subject is both HIV positive and HCV positive (must be viremic for HCV, not just antibody positive).
- Subject is 18 years of age or older.
- Subject must have an undetectable viral load (VL) less than 50 copies/ml for the last 6 months on HAART therapy.
- Subject must not be taking any medication that could interact with Kaletra® to enhance hepatic toxicity.
- Subject's serum AST and ALT levels must be <5 times normal (grade 2 or less) at the start of the study.
- Subject must not harbour viral strains that are resistant to Kaletra® at the start of the study.
- Subject has a Karnofsky Score 70 or greater.
- If female, subject must have a negative pregnancy test and agree to use, for the duration of the study, a barrier method of birth control that has a history of proven reliability as judged by the investigator.
- Subject does not require and agrees not to take, for the duration of the study, any medication that is contraindicated with Kaletra® (list will be in the protocol).
Exclusion Criteria
- Subject has active hepatitis B (HbsAg +).
- Subject has a history of substance abuse or psychiatric illness that could preclude compliance with the protocol.
Subject has any of the following abnormal laboratory test results at screening:
- Hemoglobin 8.0 g/dL or more
- Absolute neutrophil count 500 cells/mL or more
- Platelet count 20,000/mL or more
- ALT or AST 5x Upper Limit of Normal (ULN) or more
- Creatinine 1.5 x ULN or more
- Female subject is pregnant or lactating.
- Subject has received an investigational drug within 30 days prior to the initiation of study dosing.
- Subject exhibits viral strains that are resistant to lopinavir.
- Subject is receiving systemic chemotherapy.
- The subject, in the opinion of the principal investigator, is unlikely to comply with the study protocol or is unsuitable for any other reason.
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Canada, British Columbia | |
University of British Columbia | |
Vancouver, British Columbia, Canada, V6Z 2C7 | |
Canada, Ontario | |
The Ottawa Hospital, General Campus | |
Ottawa, Ontario, Canada, K1H 8L6 |
Principal Investigator: | Curtis Cooper, MD | OHRI |
![](https://webarchive.library.unt.edu/web/20130305100603im_/http://clinicaltrials.gov/ct2/html/images/frame/triangle.gif)
No publications provided
Responsible Party: | Ottawa Hospital Research Institute |
ClinicalTrials.gov Identifier: | NCT00508222 History of Changes |
Other Study ID Numbers: | 2007217-01H, A06-321 |
Study First Received: | July 25, 2007 |
Last Updated: | May 28, 2012 |
Health Authority: | Canada: Health Canada Canada: Ethics Review Committee |
Keywords provided by Ottawa Hospital Research Institute:
HIV HCV HIV/HCV Co-infection Kaletra Monotherapy Treatment Experienced |
Additional relevant MeSH terms:
HIV Infections Acquired Immunodeficiency Syndrome Lentivirus Infections Retroviridae Infections RNA Virus Infections Virus Diseases Sexually Transmitted Diseases, Viral Sexually Transmitted Diseases Immunologic Deficiency Syndromes Immune System Diseases Slow Virus Diseases |
Lopinavir HIV Protease Inhibitors Protease Inhibitors Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action Pharmacologic Actions Anti-HIV Agents Anti-Retroviral Agents Antiviral Agents Anti-Infective Agents Therapeutic Uses |
ClinicalTrials.gov processed this record on March 03, 2013