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Dermal HIV-1 Immunization During Anti-retroviral Therapy Followed by Repeated Treatment Interruptions

NCT01140139 · Status: COMPLETED · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 12

Last updated 2010-06-09

No results posted yet for this study

Summary

In this study, the investigators evaluated a therapeutic HIV-1 DNA vaccine administered with a novel topical application method to 12 chronically HIV-infected cART treated patients. The HIV DNA plasmids used in this study encode for envelope gp160 of HIV-1 subtypes A, B and C, rev B, Gag A and B and reverse transcriptase (RT) B. The patients were randomly assigned to three groups; group 1 (n=4) were immunized six times with 0.4 mg of HIV DNA plasmids topically, group 2 (n=4) were immunized six times with 0.4 mg of HIV DNA plasmids topically and treated with 500 mg of hydroxyurea daily until visit 10, group 3 (n=4) four patients received placebo. The immunization was performed during three cycles of 7 weeks of cART followed by four weeks of therapy interruption. After the last cycle of cART the patients were maintained on a definitive treatment interruption until CD4+ T cell counts dropped below 350/ mm3 at two time points. Cellular and humoral immune responses, viral load and CD4+ T a cell count was analysed throughout the study.

Conditions

Interventions

BIOLOGICAL

HIV DNA Vaccine

0.4 mg of DNA plasmids encoding HIV env A, B, C and Rev B, gag A, B and RT mut formulated in PEI and glucose was applied topically with the DermaPrep procedure six times during cycles of 7 weeks of active HAART. Every immunization cycle was followed by four weeks of therapy interruption.

Sponsors & Collaborators

  • European Union

    collaborator OTHER

  • The Swedish Research Council

    collaborator OTHER_GOV

  • Läkare mot AIDS Forskningsfond

    collaborator UNKNOWN

  • Swedish Institute for Infectious Disease Control

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
60 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2006-09-30
Primary Completion
2009-10-31
Completion
2009-12-31

Countries

  • Sweden

Study Locations

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Entities

Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01140139 on ClinicalTrials.gov