Clinical trialNCT00482963CompletedPhase 1Interventional

A Study of the Drug Interactions Between a Hormonal Emergency Contraception and an HIV Medication

SponsorUniversity of Colorado, DenverEnrollment24ContraceptionHIV InfectionsPharmacokinetics

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this study is to determine if blood levels of the hormonal emergency contraceptive agent, Plan B, are altered by concomitant use with the HIV medication, efavirenz.

clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

Monica L Carten, MD
University of Colorado, Denver
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

2 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

University of Colorado Health Sciences Center
Denver, Colorado, United States
the Miriam Hospital
Providence, Rhode Island, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Levonorgestrel →

Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 31 May 2007
Primary completion: 31 Dec 2008
Completion: 31 Dec 2008
Last update posted: 15 Jul 2013
Registered enrollment: 24
Registry id: NCT00482963

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 4 Nov 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.