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A Safety and Efficacy Trial of Dapivirine Vaginal Ring in Africa

A Multi-Centre, Randomised, Double-Blind, Placebo-Controlled Phase III Safety and Efficacy Trial of a Vaginal Matrix Ring With Dapivirine for the Prevention of HIV-1 Infection in Women

This is a double-blind, randomized, placebo-controlled Phase III study to asses the safety and efficacy of a silicone elastomer vaginal ring containing 25mg of dapivirine.

Studieoversigt

Status

Trukket tilbage

Betingelser

Undersøgelsestype

Interventionel

Fase

  • Fase 3

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

      • Mbita, Kenya
        • Suba District Hospital
      • Lilongwe, Malawi
        • University of North Carolina Project
      • Plessislaer, Sydafrika, 3216
        • Maternal, Adolescent and Child Health (MatCH)
    • Cape Town
      • Nyanga, Cape Town, Sydafrika
        • Desmond Tutu HIV Foundation, Nyanga (DTHF)
    • KwaZulu Natal
      • Pinetown, KwaZulu Natal, Sydafrika, 3610
        • Prevention of HIV / AIDS (PHIVA) Project

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år til 40 år (Voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Kvinde

Beskrivelse

Inclusion Criteria:

  • Women >18 and <40 years of age who can provide informed consent
  • Available for all visits and consent to follow all procedures scheduled for the trial
  • Generally healthy and self-reported sexually active (defined as an average of at least one penetrative penile vaginal coital act per month for the last 3 months prior to enrolment)
  • HIV-negative as determined by the HIV algorithm applied at screening and enrolment
  • On a stable form of contraception and willing to continue on stable contraception for the duration of the clinical trial;
  • Asymptomatic for genital infections at the time of enrolment (if a woman is diagnosed with any clinically significant treatable STI, she must have initiated treatment at least 1 week prior to enrolment and have completed the full course of treatment)
  • Willing to answer questions about adherence, sexual behaviour, vaginal practices and ring acceptability;
  • Willing to provide adequate locator information for trial retention purposes and be reachable per local standard procedures (e.g., by home visit or telephone; or via family or close neighbour contacts [confidentiality to be maintained])
  • Willing to refrain from participation in another research trial using drugs, vaccines, medical devices, microbicides or oral pre-exposure prophylaxis investigational drugs for the duration of the IPM 009B trial;
  • In the absence of the use of exogenous hormone(s), have a self-reported regular menstrual cycle defined as having a minimum of 21 days and a maximum of 35 days between menses;
  • Willing to refrain from use of vaginal products or objects including spermicides, tampons, female condoms, cotton wool, rags, diaphragms, cervical caps (or any other vaginal barrier method), douches and drying agents within 14 days from enrolment and for the duration of the trial.

Exclusion Criteria:

  • Currently pregnant or last pregnancy within 3 months prior to screening;
  • Currently breast-feeding
  • Participated in another research trial using drugs, medical devices, microbicides or oral pre-exposure prophylaxis agents within 60 days prior to screening
  • Previously participated or currently participating in any HIV vaccine trial
  • Untreated, clinically significant urogenital infections (either symptomatic or asymptomatic), e.g., urinary tract or other sexually transmitted infections, or other gynaecological symptoms within 1 week prior to enrolment
  • History of significant urogenital or uterine prolapse, undiagnosed vaginal bleeding, urethral obstruction, incontinence or urge incontinence
  • Any gynaecological surgery within 90 days prior to enrolment
  • Any Grade 3 or 4 baseline haematology, chemistry or urinalysis laboratory value according to the DAIDS Table for Grading Adverse Experiences, or clinically significant Grade 2 findings
  • Any history of anaphylaxis or severe allergy resulting in angioedema; or a history of sensitivity/allergy to latex or a silicone elastomer
  • Any history of diabetes mellitus and chronic use of oral steroid therapy and any uncontrolled serious chronic or progressive disease
  • Cervical cytology at screening that requires cryotherapy, biopsy, treatment (other than for infection), or further evaluation [this includes any findings of atypical squamous cells of undetermined significance (ASCUS)]
  • Any condition(s) that, in the opinion of the investigator, might put the participant at risk, or interfere with the trial objectives, or adherence to trial requirements

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Forebyggelse
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Dobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Placebo komparator: Placebo ring
Vaginal ring, der ikke indeholder noget lægemiddel
Vaginal ring, der ikke indeholder noget lægemiddel
Eksperimentel: Dapivirine
Vaginal ring containing 25mg of dapivirine
Vaginal ring indeholdende 25 mg dapivirin; en ring indsat hver 28. dag i mindst 15 måneder

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Sikkerhed som bestemt af grad 3 og 4 AE'er, klinisk signifikante grad 2 laboratoriefund (baseret på DAIDS-gradering) og alle alvorlige AE'er.
Tidsramme: 15 måneder
Dette vil blive målt ved selvrapportering, fysisk undersøgelse, sikkerhedslaboratorietest og andre specialiserede undersøgelser.
15 måneder
Efficacy as determined by HIV-1 seroconversion rate per person-years of product use, measured at the end of the investigational product use period.
Tidsramme: 15 months
The primary endpoint is HIV-1 seroconversion measured by rapid and specialized laboratory tests according to a comprehensive HIV testing algorithm. This algorithm employs a series of high specificity and high sensitivity immunoassay-based HIV blood tests that minimize the chance of false positive results to determine if a subject is positive for HIV. Endpoint confirmation of HIV infection is by Western blot.
15 months

Sekundære resultatmål

Resultatmål
Tidsramme
Overholdelse af det protokolspecifikke produktregime som bestemt af selvrapporterede dagbogskort og spørgeskemaer.
Tidsramme: 15 måneder
15 måneder
Forekomsten af ​​helbredelige STI'er eller graviditet som bestemt ved STI-test og graviditetstest.
Tidsramme: 15 måneder
15 måneder

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. juli 2011

Primær færdiggørelse (Forventet)

1. juli 2014

Studieafslutning (Forventet)

1. juli 2014

Datoer for studieregistrering

Først indsendt

13. april 2011

Først indsendt, der opfyldte QC-kriterier

15. april 2011

Først opslået (Skøn)

19. april 2011

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

11. juni 2012

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

8. juni 2012

Sidst verificeret

1. juni 2012

Mere information

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med HIV-infektioner

Kliniske forsøg med Dapivirin

Abonner