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Sponsored by: |
National Institute of Allergy and Infectious Diseases (NIAID) |
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Information provided by: | National Institute of Allergy and Infectious Diseases (NIAID) |
ClinicalTrials.gov Identifier: | NCT00000891 |
To evaluate the relationship between viral suppression and changes in immune function, as measured by the restoration of delayed-type hypersensitivity (DTH) and lymphoproliferative (LP) responses, observed after 48 weeks of treatment with highly active antiretroviral therapy (HAART) in ACTG 315. To evaluate the durability of the antiviral and immunologic effects of long-term treatment with HAART.
Given the extensive immunologic and virologic data available from ACTG 315, follow-up studies of this advanced-disease population are indicated to primarily ascertain the impact of long-term suppression of viral replication on immunologic reconstitution or re-education and the durability of the antiviral effects of HAART.
Condition | Intervention | Phase |
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HIV Infections |
Drug: Ritonavir Drug: Saquinavir Drug: Delavirdine mesylate Drug: Lamivudine Drug: Stavudine Drug: Zidovudine Drug: Didanosine |
Phase II |
Study Type: | Interventional |
Study Design: | Treatment, Open Label, Efficacy Study |
Official Title: | Immunologic and Virologic Consequences of Long-Term Highly Active Antiretroviral Therapy (HAART) in Subjects With Moderately Advanced HIV-1 Disease: A Follow-Up Study to ACTG 315 |
Estimated Enrollment: | 34 |
Given the extensive immunologic and virologic data available from ACTG 315, follow-up studies of this advanced-disease population are indicated to primarily ascertain the impact of long-term suppression of viral replication on immunologic reconstitution or re-education and the durability of the antiviral effects of HAART.
Patients continue their current ACTG 315 regimen of zidovudine plus lamivudine plus ritonavir in an open-label fashion while undergoing 6 weeks of extensive evaluations. Treatment decisions are based on baseline viral load (mean of 2 viral load measurements taken during 6-week evaluations). Patients with HIV-1 RNA less than 100 copies/ml continue the ACTG 315 regimen. Patients with HIV-1 RNA 100-3000 copies/ml may continue the ACTG 315 regimen or initiate a new HAART regimen selected by the local investigator or primary care physician. Patients with HIV-1 RNA greater than 3000 copies/ml initiate a new HAART regimen selected by the local investigator or primary care physician. [AS PER AMENDMENT 4/10/00: Changes to regimens must be done in consultation with the study team. The team acknowledges that a viable regimen may not be available for a given patient when the plasma HIV RNA level is above 3,000 copies/ml. In this case, patients may remain on their failing regimen with evaluation every 8 weeks until a viable regimen becomes available to them.] All patients are required to maintain a HAART regimen that contains at least 3 drugs, 1 of which is a protease inhibitor. [AS PER AMENDMENT 3/5/01: All patients are required to maintain a HAART regimen that is approved by the protocol chairs.] Zidovudine (ZDV), lamivudine (3TC), stavudine (d4T), didanosine (ddI), delavirdine (DLV), ritonavir (RTV), and saquinavir soft gel capsules (SQV sgc) are provided on-study. [AS PER AMENDMENT 9/19/00: ZDV, 3TC, 3TC/ZDV combination tablet, d4T, ddI, DLV, RTV, and SQV sgc will be supplied by the protocol for 182 weeks.] [AS PER AMENDMENT 3/5/01: The following antiretroviral medications will be supplied by the protocol for Steps 1 and 2: ZDV, 3TC, 3TC/ZDV combination tablet, d4T, ddI, DLV, RTV, and SQV sgc.] Therapy is continued for 54 weeks. [AS PER AMENDMENT 10/6/98: The initial 54-week trial is followed by an additional 2 years of long-term evaluation. Also per this amendment, protocol therapy is initiated at Week 6.] [AS PER AMENDMENT 9/19/00: The initial 54-week trial is followed by an additional 2.5 years of long-term evaluation.] [AS PER AMENDMENT 3/5/01: Step 1 has an initial 54 weeks of treatment followed by 140 weeks of long-term follow-up. Step 2 has an additional 36 weeks of long-term follow-up. Patients who complete the final visit on Step 2 (Week 230) should return to the clinic 4 weeks after receiving the last dose of study-provided medication to complete the final evaluations.] [AS PER AMENDMENT 10/6/98: Patients may co-enroll in an immunology substudy.] [AS PER AMENDMENT 6/11/99: The immunology substudy is being piloted in 3 to 4 volunteers and may not proceed until the feasibility of the pilot project is reviewed.]
Ages Eligible for Study: | 16 Years and older |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | No |
Inclusion Criteria
Concurrent Medication:
Allowed:
Patients must have:
Exclusion Criteria
Co-existing Condition:
Patients with the following conditions and symptoms are excluded:
Concurrent Medication:
Excluded:
[AS PER AMENDMENT 3/5/01:
Excluded for patients who are pregnant:
Avoided:
Herbal medications.
[2. AS PER AMENDMENT 4/10/00:
Concurrent Treatment:
Excluded:
Prior Medication:
Excluded:
Required:
Zidovudine (200 mg tid or 300 mg bid) plus lamivudine (150 mg bid) plus ritonavir (500 or 600 mg bid, or 300 mg tid) for 48 weeks in ACTG 315.
Active substance or alcohol abuse or dependence that would interfere with adherence to study requirements.
United States, Colorado | |
Univ of Colorado Health Sciences Ctr | |
Denver, Colorado, United States, 80262 | |
United States, Illinois | |
Rush Presbyterian - Saint Luke's Med Ctr | |
Chicago, Illinois, United States, 60612 | |
United States, Ohio | |
Case Western Reserve Univ | |
Cleveland, Ohio, United States, 44106 |
Study Chair: | Hernan Valdez | |
Study Chair: | Kimberly Smith | |
Study Chair: | Michael Lederman | |
Study Chair: | Harold Kessler |
Study ID Numbers: | ACTG 375, Substudy ACTG A5002s |
Study First Received: | November 2, 1999 |
Last Updated: | August 25, 2008 |
ClinicalTrials.gov Identifier: | NCT00000891 |
Health Authority: | United States: Federal Government |
Drug Therapy, Combination Hypersensitivity, Delayed Follow-Up Studies Anti-HIV Agents Viral Load |
Sexually Transmitted Diseases, Viral Stavudine Saquinavir Acquired Immunodeficiency Syndrome Zidovudine Lamivudine Delavirdine Immunologic Deficiency Syndromes |
Virus Diseases Hypersensitivity Hypersensitivity, Delayed Didanosine Ritonavir HIV Infections Sexually Transmitted Diseases Retroviridae Infections |
Antimetabolites Anti-Infective Agents HIV Protease Inhibitors RNA Virus Infections Anti-HIV Agents Slow Virus Diseases Immune System Diseases Molecular Mechanisms of Pharmacological Action Enzyme Inhibitors |
Infection Antiviral Agents Pharmacologic Actions Protease Inhibitors Reverse Transcriptase Inhibitors Anti-Retroviral Agents Therapeutic Uses Lentivirus Infections Nucleic Acid Synthesis Inhibitors |