Doravirine treatment for HIV-infected children under 12 years old
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
Run by Merck Sharp & Dohme LLC · NCT04375800 · Data updated 2026-11-12
This study is testing a new HIV treatment called doravirine in children under 12 to see if it's safe and effective for them.
Quick facts
| Phase | Phase 2 |
|---|---|
| Study type | Interventional |
| Ages | 4 Weeks to 11 Years |
| Sex | All |
| Enrollment | 84 (estimated) |
| Sponsor | Merck Sharp & Dohme LLC Industry-sponsored |
| Drugs / interventions | cART |
| Locations | 26 sites (Aurora, Colorado and 25 other locations) |
| Status | Recruiting |
| Started | February 3, 2021 |
| Main results expected | November 12, 2028 |
| Study ends | April 11, 2034 |
| Registry record updated | October 27, 2026 |
| Trial ID | NCT04375800 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include children aged 4 weeks to less than 12 years with confirmed HIV-1 infection who are either treatment-naive or have maintained viral suppression on stable therapy.
✕Probably not a fit
Patients who are older than 12 years or those who have a history of treatment failure may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This clinical trial evaluates the pharmacokinetics and safety of doravirine (DOR) in pediatric participants aged 4 weeks to less than 12 years who are either treatment-naive or have been virologically suppressed on stable antiretroviral therapy. The study involves administering DOR in combination with two nucleoside/nucleotide analog reverse transcriptase inhibitors (NRTIs) or as part of a fixed-dose combination with lamivudine and tenofovir. Participants will be monitored for safety and tolerability over a 24-week period, with the option to continue treatment in an extension study for up to 224 weeks. The trial is conducted across multiple sites in the United States and Colombia.
Why it matters
Potential benefit: If successful, this treatment could provide an effective and safe option for managing HIV in young children.
How similar studies have gone: Other studies have shown promise in using doravirine for HIV treatment, indicating a potential for success with this approach in pediatric populations.
Who can join: the full rules
Show full inclusion / exclusion criteria
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 Study Extension Inclusion Criteria: * 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
Where it's running
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Emory Children's Center ( Site 0103)
Atlanta, Georgia, United States Recruiting -
Clinica Somer ( Site 1003)
Rionegro, Antioquia, Colombia Recruiting -
Ciensalud Ips S A S ( Site 1001)
Barranquilla, Atlántico, Colombia Recruiting -
Instituto Dermatológico y Cirugía de Piel "Dr. Huberto Bogaert Díaz" ( Site 1100)
Santo Domingo, Dominican Republic Recruiting -
Clínica Médica Especializada en Pediatría e Infectología Pediátrica - Dr. Mario Melgar ( Site 1201)
Guatemala City, Guatemala Recruiting -
Perinatal HIV Research Unit ( Site 0602)
Johannesburg, Gauteng, South Africa Recruiting
Show 20 more locations
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Wits Reproductive Health and HIV Institute (WRHI) ( Site 0603)
Johannesburg, Gauteng, South Africa Recruiting -
King Edward Hospital ( Site 0600)
Durban, KwaZulu-Natal, South Africa Recruiting -
Family Clinic Research With UBUNTU ( Site 0605)
Cape Town, Western Cape, South Africa Recruiting -
Be Part Yoluntu Centre ( Site 0606)
Paarl, Western Cape, South Africa Recruiting -
Siriraj Hospital ( Site 0901)
Bangkok, Bangkok, Thailand Recruiting -
Research Institute for Health Sciences ( Site 0902)
Chiang Mai, Thailand Recruiting -
Faculty of Medicine - Khon Kaen University ( Site 0903)
Khon Kaen, Thailand Recruiting -
University of Colorado at Denver ( Site 0108)
Aurora, Colorado, United States Completed -
CEIP - Centro de Estudios en Infectología Pediátrica ( Site 1002)
Cali, Valle del Cauca Department, Colombia Completed -
Instituto Nacional de Pediatria ( Site 0701)
Coyoacán, Mexico City, Mexico Completed -
Hospital Infantil de Mexico Federico Gomez ( Site 0702)
Mexico City, Mexico City, Mexico Active not recruiting -
Unidad de Atencion Medica e Investigacion en Salud S.C. ( Site 0700)
Mérida, Yucatán, Mexico Completed -
Kuzbasskiy Center for the Prevention and Control of AIDS ( Site 0506)
Kemerovo, Kemerovo Oblast, Russia Active not recruiting -
Clinical Centre for Prevention and Control of AIDS ( Site 0504)
Krasnodar, Krasnodarskiy Kray, Russia Completed -
Krasnoyarsk Regional Center for Prevention and Control of AIDS ( Site 0507)
Krasnoyarsk, Krasnoyarsk Krai, Russia Completed -
Infectious Clinical Hospital #2 ( Site 0501)
Moscow, Moscow, Russia Completed -
FGU Republican Clinical Infectious Hospital of Roszdrav ( Site 0500)
Saint Petersburg, Sankt-Peterburg, Russia Active not recruiting -
FARMOVS PTY LTD ( Site 0601)
Bloemfontein, Free State, South Africa Completed -
Empilweni Services and Research Unit ( Site 0604)
Johannesburg, Gauteng, South Africa Completed -
Tsitsikamma Clinical Research Initiative (TCRI) ( Site 0607)
Plettenberg Bay, Western Cape, South Africa Completed
Study contacts
- Study coordinator: Toll Free Number
- Email: Trialsites@msd.com
- Phone: 1-888-577-8839
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.