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Clinical Trials List

Protocol NumberMK1439A-021
NCT Number(ClinicalTrials.gov Identfier)NCT02403674

2015-06-22 - 2021-12-23

Phase III

Terminated6

ICD-10B20

Human immunodeficiency virus [HIV] disease

A Phase III Multicenter, Double-Blind, Randomized, Active Comparator-Controlled Clinical Trial to Evaluate the Safety and Efficacy of MK-1439A Once-Daily Versus ATRIPLA™ Once-Daily in Treatment-Naïve HIV-1 Infected Subjects

  • Trial Applicant

    Merck Sharp & Dohme (I.A.) LLC

  • Sponsor

    Merck Sharp & Dohme Corp.

  • Trial scale

    Multi-Regional Multi-Center

  • Update

    2025/08/20

Investigators and Locations

Principal Investigator Wen-Chien Ko Division of Infectious Disease

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Terminated

Audit

None

Principal Investigator 黃俊凱 Division of Infectious Disease

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Terminated

Principal Investigator Su-Jung Chen Division of Infectious Disease

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Terminated

Principal Investigator YU-HUI LIN Division of Infectious Disease

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Terminated

Principal Investigator 蔡宏津 Division of Infectious Disease

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Terminated

Principal Investigator CHIEN-CHING HUNG Division of Infectious Disease

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Terminated

Audit

None

Condition/Disease

HIV-1 Infection

Objectives

The purpose of this study is to compare the antiretroviral activity of doravirine, tenofovir, lamivudine (MK-1439A), a single-tablet, once-daily (q.d.) fixed-dose combination (FDC) containing doravirine (MK-1439) 100 mg + lamivudine 300 mg + tenofovir disoproxil fumarate 300 mg, with ATRIPLA™, a single-tablet FDC containing efavirenz 600 mg + emtricitabine 200 mg + tenofovir disoproxil fumarate 300 mg, in treatment-naive participants infected with human immunodeficiency virus (HIV). The primary hypothesis is that doravirine, tenofovir, lamivudine q.d. is non-inferior to ATRIPLA™ q.d. as assessed by the proportion of participants with HIV-1 ribonucleic acid (RNA) <50 copies/mL (by the Abbott RealTime HIV-1 Assay) at Week 48. This study has a total duration of 192 weeks, including a 96-week double-blind period and a 96-week open-label period. The present results are based on the first 48 weeks of this ongoing study.

Test Drug

MK1439A

Active Ingredient

MK1439

Dosage Form

oral tablet

Dosage

100 mg

Endpoints

Primary Outcome Measures :
1. Percentage of Participants With HIV-1 Ribonucleic Acid (RNA) <50 Copies/mL at Week 48 [ Time Frame: Week 48 ]
The percentage of participants in each arm with HIV-1 RNA levels <50 copies/mL at Week 48 was determined. Plasma HIV-1 RNA levels were quantified with the Abbott RealTime HIV-1 Assay. Data were handled according to the US Food and Drug Administration (FDA) "snapshot" approach in which all missing data are considered treatment failures, regardless of the reason.

2. Percentage of Participants With Tier-1 Neuropsychiatric Adverse Events (AEs) [ Time Frame: Up to Week 48 ]
The percentage of participants in each arm experiencing ≥1 pre-specified Tier-1 neuropsychiatric AEs was determined. The list of Tier-1 neuropsychiatric AE categories included "dizziness", "sleep disorders and disturbances", and "altered sensorium" (including disturbance in attention).

Inclution Criteria

Inclusion Criteria:
• Is HIV-1 positive as determined by a positive result on an enzyme-immunoassay, has screening plasma HIV-1 RNA (determined by the central laboratory) ≥1000 copies/mL within 45 days prior to the treatment phase of this study, and has HIV treatment indicated based on physician assessment
• Has never received antiretroviral therapy (ART)
• Is highly unlikely to either become pregnant or impregnate a partner

Exclusion Criteria

Exclusion Criteria:
• Has a history or current evidence of any condition, therapy, laboratory abnormality, or other circumstance that might confound results of the study
• Is a user of recreational or illicit drugs or has a recent history of alcohol/drug abuse
• Has been treated for a viral infection other than HIV-1 (e.g., hepatitis B) with an agent that is active against HIV-1
• Has participated in a study with an investigational drug/device within 30 days prior to Screening
• Has used systemic immunosuppressive therapy or immune modulators within 30 days prior to treatment in this study or is anticipated to need them during the course of the study
• Has a current (active) diagnosis of acute hepatitis due to any cause (note: participants with chronic hepatitis B and C may enter the study as long as they fulfill all entry criteria, have stable liver function tests, and have no significant impairment of hepatic synthetic function)
• Is a female who is pregnant, breastfeeding, or expecting to conceive
• Is a female and is expecting to donate eggs or is male and is expecting to donate sperm (investigators will provide appropriate guidance regarding egg and/or sperm donation after completion of the study treatment regimen)
• Has evidence of decompensated liver disease manifested by the presence of or a history of ascites, esophageal or gastric variceal bleeding, hepatic encephalopathy or other signs or symptoms of advanced liver diseases, or has liver cirrhosis and a Child-Pugh Class C score or Pugh-Turcotte (CPT) score > 9

The Estimated Number of Participants

  • Taiwan

    45 participants

  • Global

    950 participants