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

NCT ID: NCT04375800

Last Updated: 2026-02-18

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

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

RECRUITING

Clinical Phase

PHASE2

Total Enrollment

84 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-02-03

Study Completion Date

2034-04-11

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

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.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Participants who complete the Week 96 visit will be eligible to enroll in an Extension Study and receive DOR until it is commercially available, or for up to an additional 224 weeks (whichever comes first).

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Human Immunodeficiency Virus (HIV) Infection

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Doravirine as a single entity plus 2 NRTIs or Doravirine as a FDC with 3TC and TDF

Participants receive doravirine (DOR) at 7.2 mg to 100 mg, based on weight, PLUS 2 nucleoside/nucleotide analog reverse transcriptase inhibitors (NRTIs), based on local label, for 96 weeks, OR a fixed-dose combination (FDC) of doravirine/lamivudine/tenofovir disoproxil fumarate (DOR/3TC/TDF), based on weight, for 96 weeks.

Group Type EXPERIMENTAL

Doravirine

Intervention Type DRUG

Administered orally

2 NRTIs

Intervention Type DRUG

Administered orally

DOR/3TC/TDF

Intervention Type DRUG

Administered orally

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Doravirine

Administered orally

Intervention Type DRUG

2 NRTIs

Administered orally

Intervention Type DRUG

DOR/3TC/TDF

Administered orally

Intervention Type DRUG

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

MK-1439 MK-1439A

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Has human immunodeficiency virus type 1 (HIV-1) infection confirmed at screening
* Has appropriate treatment history defined as treatment-naïve (TN) or with documented virologic suppression (HIV-1 ribonucleic acid \[RNA\] \<50 copies/mL) on stable combination antiretroviral therapy (cART) for ≥3 months
* Body weight is \>3 kg to \<45 kg
* If female, is not pregnant or breastfeeding, and one of the following applies:
* Is not a woman of childbearing potential (WOCBP)
* Is a WOCBP using an acceptable form of contraception, or is abstinent
* If a WOCBP must have a negative pregnancy test (urine or serum) within 24 hours of the first dose of study intervention


* Has completed the Week 96 visit
* Is considered, in the opinion of the investigator, to have derived benefit from treatment with doravirine (DOR) plus the 2 nucleoside/nucleotide analog reverse transcriptase inhibitor (NRTIs) selected by the investigator, or doravirine/lamivudine/tenofovir disoproxil fumarate (DOR/3TC/TDF), by Week 96 of the study
* Is considered, in the opinion of the investigator, to be a clinically appropriate candidate for additional treatment with DOR regimens (DOR plus 2 NRTIs selected by the investigator or DOR/3TC/TDF)
* Understands the procedures in the study extension and has provided (or have the participant's legally acceptable representative, if applicable, provide) documented informed consent/assent to enter the study extension and continue treatment with DOR regimens (DOR plus 2 NRTIs selected by the investigator or DOR/3TC/TDF) until it is available locally in countries participating in the study or for up to an additional 224 weeks (whichever comes first)

Exclusion Criteria

* Has evidence of renal disease
* Demonstrates evidence of liver disease
* Has clinical or laboratory evidence of pancreatitis
* Has any history of malignancy
* Has presence of any active acquired immunodeficiency syndrome (AIDS)-defining opportunistic Infection
* Has an active diagnosis of hepatitis, including hepatitis B co-infection
* Has current active tuberculosis and/or is being treated with a rifampicin-containing regimen
* Has a medical condition that precludes absorption or intake of oral pellets/granules
* Has a history or current evidence of any condition, therapy, laboratory abnormality, or other circumstance that might confound results of the study or interfere with participating for the entire duration of the study
* Is taking or is anticipated to require systemic immunosuppressive therapy, immune modulators, or other prohibited therapy
* Is currently participating in or has participated in an interventional clinical study with an investigational compound or device from 45 days prior to Day 1 through the treatment period
* Has a documented or known virologic resistance to DOR
* Has any history of viremia (HIV RNA \>1000 copies/mL) after at least 3 months on a non-nucleoside reverse transcriptase inhibitor (NNRTI)-based regimen
Minimum Eligible Age

4 Weeks

Maximum Eligible Age

11 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Merck Sharp & Dohme LLC

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Medical Director

Role: STUDY_DIRECTOR

Merck Sharp & Dohme LLC

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

University of Colorado at Denver ( Site 0108)

Aurora, Colorado, United States

Site Status COMPLETED

Emory Children's Center ( Site 0103)

Atlanta, Georgia, United States

Site Status RECRUITING

Clinica Somer ( Site 1003)

Rionegro, Antioquia, Colombia

Site Status RECRUITING

Ciensalud Ips S A S ( Site 1001)

Barranquilla, Atlántico, Colombia

Site Status RECRUITING

CEIP - Centro de Estudios en Infectología Pediátrica ( Site 1002)

Cali, Valle del Cauca Department, Colombia

Site Status RECRUITING

Hospital Infantil de Mexico Federico Gomez ( Site 0702)

Mexico City, Mexico City, Mexico

Site Status ACTIVE_NOT_RECRUITING

Unidad de Atencion Medica e Investigacion en Salud S.C. ( Site 0700)

Mérida, Yucatán, Mexico

Site Status COMPLETED

Instituto Nacional de Pediatria ( Site 0701)

Mexico City, , Mexico

Site Status COMPLETED

Kuzbasskiy Center for the Prevention and Control of AIDS ( Site 0506)

Kemerovo, Kemerovo Oblast, Russia

Site Status RECRUITING

Clinical Centre for Prevention and Control of AIDS ( Site 0504)

Krasnodar, Krasnodarskiy Kray, Russia

Site Status COMPLETED

Krasnoyarsk Regional Center for Prevention and Control of AIDS ( Site 0507)

Krasnoyarsk, Krasnoyarsk Krai, Russia

Site Status COMPLETED

Infectious Clinical Hospital #2 ( Site 0501)

Moscow, Moscow, Russia

Site Status COMPLETED

FGU Republican Clinical Infectious Hospital of Roszdrav ( Site 0500)

Saint Petersburg, Sankt-Peterburg, Russia

Site Status RECRUITING

FARMOVS PTY LTD ( Site 0601)

Bloemfontein, Free State, South Africa

Site Status COMPLETED

Perinatal HIV Research Unit ( Site 0602)

Johannesburg, Gauteng, South Africa

Site Status RECRUITING

Wits Reproductive Health and HIV Institute (WRHI) ( Site 0603)

Johannesburg, Gauteng, South Africa

Site Status RECRUITING

Empilweni Services and Research Unit ( Site 0604)

Johannesburg, Gauteng, South Africa

Site Status COMPLETED

King Edward Hospital ( Site 0600)

Durban, KwaZulu-Natal, South Africa

Site Status RECRUITING

Family Clinic Research With UBUNTU ( Site 0605)

Cape Town, Western Cape, South Africa

Site Status RECRUITING

Be Part Yoluntu Centre ( Site 0606)

Paarl, Western Cape, South Africa

Site Status RECRUITING

Tsitsikamma Clinical Research Initiative (TCRI) ( Site 0607)

Plettenberg Bay, Western Cape, South Africa

Site Status COMPLETED

Siriraj Hospital ( Site 0901)

Bangkok, Bangkok, Thailand

Site Status RECRUITING

Research Institute for Health Sciences ( Site 0902)

Chiang Mai, , Thailand

Site Status RECRUITING

Faculty of Medicine - Khon Kaen University ( Site 0903)

Khon Kaen, , Thailand

Site Status RECRUITING

Countries

Review the countries where the study has at least one active or historical site.

United States Colombia Mexico Russia South Africa Thailand

Central Contacts

Reach out to these primary contacts for questions about participation or study logistics.

Toll Free Number

Role: CONTACT

1-888-577-8839

Facility Contacts

Find local site contact details for specific facilities participating in the trial.

Study Coordinator

Role: primary

404-727-5642

Study Coordinator

Role: primary

+573235903405

Study Coordinator

Role: primary

573183894721

Study Coordinator

Role: primary

573155798444

Study Coordinator

Role: primary

79069261368

Study Coordinator

Role: primary

+78124649329

Study Coordinator

Role: primary

+2711 989 9700

Study Coordinator

Role: primary

+27 11 358 5300

Study Coordinator

Role: primary

+27312611093

Study Coordinator

Role: primary

+27219384153

Study Coordinator

Role: primary

+2782 660 5795

Study Coordinator

Role: primary

+6624180545

Study Coordinator

Role: primary

+6653936148

Study Coordinator

Role: primary

+66897112236

Related Links

Access external resources that provide additional context or updates about the study.

https://www.merckclinicaltrials.com/

Merck Clinical Trials Information

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

MK-1439-066

Identifier Type: OTHER

Identifier Source: secondary_id

2019-003955-13

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

1439-066

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

Reducing Antiretroviral Treatments
NCT04051970 UNKNOWN PHASE3