Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Recruiting Phase 2 Interventional

Doravirine (DOR) in Human Immunodeficiency Virus (HIV)-Infected Children Aged 4 Weeks to <12 Years and <45 kg (MK-1439-066)

ClinicalTrials.gov ID: NCT04375800

Public ClinicalTrials.gov record NCT04375800. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 3, 2026, 7:52 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2 Clinical Study to Evaluate the Pharmacokinetics, Safety, and Efficacy of Doravirine and Doravirine/Lamivudine/Tenofovir Disoproxil Fumarate in Participants With HIV-1, Who Are 4 Weeks to Less Than 12 Years of Age and Weigh Less Than 45 kg

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a single-group, open-label, multi-site study in pediatric participants with human immunodeficiency virus type 1 (HIV-1) infection, aged 4 weeks to \<12 years and weighing \<45 kg, who are treatment-naive (TN) or have been virologically suppressed (VS) on stable combination antiretroviral therapy (cART) for ≥3 months with no history of treatment failure. The primary objectives are: * To evaluate the steady state pharmacokinetics (PK) of doravirine (DOR) \[MK-1439\] when given in combination with 2 nucleoside/nucleotide analog reverse transcriptase inhibitors (NRTIs) or as part of the fixed-dose combination (FDC) of DOR/lamivudine (3TC)/tenofovir disproxil fumarate (TDF) in participants ≥6 to \<12 years and weighing ≥14 to \<45 kg. * To evaluate the safety and tolerability of DOR when given with 2 NRTIs or as part of the FDC of DOR/3TC/TDF, in participants ≥6 to 12 years and weighing ≥14 to \<45 kg, through Week 24.

Study identification

NCT ID
NCT04375800
Recruitment status
Recruiting
Study type
Interventional
Phase
Phase 2
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
84 participants

Conditions and interventions

Eligibility (public fields only)

Age range
4 Weeks to 11 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 2, 2021
Primary completion
Nov 11, 2028
Completion
Apr 10, 2034
Last update posted
Jul 7, 2026

2021 – 2034

United States locations

U.S. sites
2
U.S. states
2
U.S. cities
2
Facility City State ZIP Site status
University of Colorado at Denver ( Site 0108) Aurora Colorado 80045 Completed
Emory Children's Center ( Site 0103) Atlanta Georgia 30322 Recruiting

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 22 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04375800, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 7, 2026 · Synced Sep 3, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04375800 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →