A Pilot Study Of the Effects of Highly Active Antiretroviral Therapy on Kaposi's Sarcoma in Zimbabwe

NCT ID: NCT00834457

Last Updated: 2014-10-30

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2/PHASE3

Total Enrollment

49 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-06-30

Study Completion Date

2009-07-31

Brief Summary

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Open-label study of a regimen of antiretrovirals for the treatment of AIDS-KS. This study will be conducted at a single site, the Parirenyatwa Hospital KS Clinic.

Step 1 was conducted to determine the extent of clinical resolution of AIDS-KS disease in response to treatment with antiretroviral therapy and to investigate whether clinical resolution of KS is associated with suppression of KSHV replication.

Step 2 was developed to then evaluate the clinical, immunological, and virological effects of a switch from a twice-daily all-nucleoside reverse transcriptase inhibitor (NRTI) antiretroviral regimen to a once-daily regimen of 2 NRTIs plus a ritonavir-boosted protease inhibitor in persons with AIDS-KS and good virologic suppression an all NRTI regimen.

Step 3 was included to evaluate the clinical, immunological, and virological effects of intensification with a ritonavir-boosted protease inhibitor in persons with AIDS-KS who have virological failure on an all NRTI regimen.

Detailed Description

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To identify factors associated with successful treatment of KS with antiretroviral therapy and to determine if highly active antiretroviral therapy improves survival and quality of life for persons with AIDS-KS in Zimbabwe.

A secondary objective is to investigate the durability of HIV-1 suppression by the combination of ABC/3TC/ZDV in persons infected with HIV-1 subtype C and to evaluate the timing and characteristics of mutations in HIV-1 reverse transcriptase in subjects who fail to achieve, or to maintain suppression of HIV-1 replication during treatment with ABC/3TC/ZDV.

An important objective is to assess adherence to a simplified antiretroviral regimen in a resource-limited setting.

The study will evaluate the clinical, immunological, and virological effects of a switch from a twice-daily all-nucleoside reverse transcriptase inhibitor (NRTI) antiretroviral regimen to a once-daily regimen of 2 NRTIs plus a ritonavir-boosted protease inhibitor in persons with AIDS-KS and good virologic suppression on ABC/3TC/ZDV (see above).

Conditions

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AIDS-related Kaposi's Sarcoma

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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2A

co-formulated abacavir 300mg/3TC 150mg/zidovudine 300mg po(Trizivir)one tablet twice daily(BID)for 96 weeks

Group Type ACTIVE_COMPARATOR

abacavir/3TC/zidovudine

Intervention Type DRUG

continued use of oral co-formulated abacavir 300mg/3TC 150mg/zidovudine 300mg for 96 weeks

2B

co-formulated abacavir 600mg/3TC 300mg orally (as Kivexa) one tablet daily plus fixed dose lopinavir 133.3mg/ritonavir 33.3mg orally (as Aluvia) four tablets daily for 96 weeks

Group Type ACTIVE_COMPARATOR

abacavir /3TC plus ritonavir boosted lopinavir

Intervention Type DRUG

fixed dose abacavir 600mg/3TC 300mg one tablet po QD for 96 weeks plus fixed dose ritonavir 33.3mg/lopinavir 133.3mg four tablets po QD for 96 weeks

Interventions

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abacavir/3TC/zidovudine

continued use of oral co-formulated abacavir 300mg/3TC 150mg/zidovudine 300mg for 96 weeks

Intervention Type DRUG

abacavir /3TC plus ritonavir boosted lopinavir

fixed dose abacavir 600mg/3TC 300mg one tablet po QD for 96 weeks plus fixed dose ritonavir 33.3mg/lopinavir 133.3mg four tablets po QD for 96 weeks

Intervention Type DRUG

Other Intervention Names

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Trizivir Kivexa or Epzicom Aluvia

Eligibility Criteria

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Inclusion Criteria

* Currently receiving ABC/3TC/ZDV on Step 1/initial open-label allNRTI phase of study.
* Plasma HIV-1 RNA \< 400 copies/mL on the most recent plasma HIV-1 RNA performed within 4 weeks of Step 2 entry.
* Willing to potentially switch to a new antiretroviral regimen.
* In the opinion of the site investigator currently has clinical evidence of active KS disease.

Exclusion Criteria

* None
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of Colorado, Denver

OTHER

Sponsor Role collaborator

GlaxoSmithKline

INDUSTRY

Sponsor Role collaborator

Abbott

INDUSTRY

Sponsor Role collaborator

Parirenyatwa Hospital

OTHER

Sponsor Role lead

Responsible Party

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Margaret Borok

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Margaret Z Borok, FRCP

Role: PRINCIPAL_INVESTIGATOR

University of Zimbabwe College of Health Sciences Department of Medicine

Thomas B Campbell, MD

Role: STUDY_CHAIR

University of Colorado, Denver

Locations

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University of Zimbabwe College of Health Sciences Department of Medicine

Harare, , Zimbabwe

Site Status

Countries

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Zimbabwe

Other Identifiers

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COL30512

Identifier Type: -

Identifier Source: org_study_id

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