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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03272347
Other study ID # 8591-011
Secondary ID 2017-000437-32
Status Completed
Phase Phase 2
First received
Last updated
Start date November 27, 2017
Est. completion date March 9, 2022

Study information

Verified date February 2023
Source Merck Sharp & Dohme LLC
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study will evaluate the safety, tolerability, antiretroviral activity, and pharmacokinetics of 3 doses of islatravir (MK-8591) in combination with doravirine (DOR) and lamivudine (3TC) administered to antiretroviral treatment-naïve adult participants with human immunodeficiency virus type 1 (HIV-1) infection.


Recruitment information / eligibility

Status Completed
Enrollment 123
Est. completion date March 9, 2022
Est. primary completion date March 8, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Has HIV-1 infection - Is naïve to anti-retroviral therapy (ART). - Is clinically stable, with no signs or symptoms of acute infection, at the time of entry into the study - Female is not pregnant, not breastfeeding, not a woman of childbearing potential (WOCBP); but if WOCBP agrees to follow the contraceptive guidance - All participants, male and female, agree to use barrier methods of contraception when engaged in any sexual activity during treatment and for 6 weeks following treatment. Exclusion Criteria: - Is a user of recreational or illicit drugs or has had a history of drug or alcohol abuse or dependence that may interfere with trial participation - Has significant hypersensitivity or other contraindication to any of the components of the study drugs - Has a history of malignancy =5 years prior - Female expects to donate eggs at any time during the study - Is breastfeeding or expecting to conceive - A WOCBP who has a positive urine pregnancy test on Day 1 before the first dose of study treatment - Has been treated for a viral infection other than HIV-1, such as hepatitis B, with an agent that is active against HIV-1 - 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 - Requires any of the following prohibited medications: Carbamazepine, Phenobarbital, Phenytoin, Rifabutin, Rifampin, Herbal remedies, St. John's Wort, Modafinil, Bosentan, Nafcillin, Pentostatin - Is currently participating in or has participated in an interventional clinical trial with an investigational compound or device within 30 days of signing informed consent to participate in this current trial - Has a documented or known virologic resistance to any approved HIV-1 reverse transcriptase inhibitor, protease inhibitor, integrase inhibitor - Has active hepatitis C virus (HCV) coinfection defined as detectable HCV RNA or HBV co-infection defined as hepatitis B surface antigen [HBsAg]-positive - Has a current (active) diagnosis of acute hepatitis due to any cause - Has previously been randomized in a study and received islatravir (MK-8591), DOR, Doravirine, Tenofovir, Lamivudine, or 3TC.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Islatravir
Islatravir at 0.25 mg, 0.75 mg or 2.25 mg is orally administered QD in capsule form for up to 52 weeks. After Week 60 a selected open label dose may be administered.
Placebo to Islatravir
Placebo to islatravir is orally administered QD in capsule form for up to 52 weeks
Doravirine
Doravirine 100 mg is orally administered QD in tablet form for up to 144 weeks
Placebo to Doravirine
Placebo to Doravirine is orally administered QD in tablet form for up to 52 weeks
Lamivudine
Lamivudine 300 mg is orally administered QD in tablet form for up to 52 weeks
Placebo to Lamivudine
Placebo to Lamivudine is orally administered QD in tablet form for up to 52 weeks
Doravirine/Lamivudine/Tenofovir Disoproxil Fumarate
Fixed dose combination of 100 mg doravirine + 300 mg lamivudine + 300 mg tenofovir disoproxil fumarate is orally administered QD in tablet form for up to 144 weeks.
Placebo to Doravirine/Lamivudine/Tenofovir Disoproxil Fumarate
Placebo to doravirine/lamivudine/tenofovir disoproxil fumarate is orally administered QD in tablet form for up to 52 weeks
Doravirine/Islatravir
Fixed dose combination of islatravir 0.75 mg/doravirine 100 mg orally administered QD in tablet form for 48 weeks

Locations

Country Name City State
Chile Biomedica Research Group ( Site 0202) Santiago
Chile Clinica Arauco Salud ( Site 0200) Santiago RM
Chile Hospital Dr. Hernan Henriquez Aravena ( Site 0203) Temuco
France Hopital Avicenne ( Site 2302) Bobigny
France Hopital Saint-Andre ( Site 2307) Bordeaux
France CHU Hotel Dieu ( Site 2308) Nantes
France CHU de Nice Hopital Archet 1 ( Site 2303) Nice
France Hopital Bichat - Claude Bernard ( Site 2309) Paris
France Hopital Pitie Salpetriere ( Site 2305) Paris
France Hopital Saint Louis ( Site 2306) Paris
France Centre Hospitalier de Tourcoing ( Site 2301) Tourcoing
United Kingdom Brighton and Sussex University Hospitals NHS Trust ( Site 2105) Brighton East Sussex
United Kingdom Chelsea and Westminster Hospital ( Site 2101) London
United Kingdom Royal London Hospital ( Site 2103) London
United Kingdom The Royal Free London NHS Foundation Trust ( Site 2102) London
United Kingdom North Manchester General Hospital ( Site 2104) Manchester
United States Saint Hope Foundation, Inc. ( Site 0116) Bellaire Texas
United States Northstar Medical Center ( Site 0102) Chicago Illinois
United States North Texas Infectious Diseases Consultants, PA ( Site 0103) Dallas Texas
United States Tarrant County Infectious Disease Associates ( Site 0112) Fort Worth Texas
United States The Crofoot Research Center, Inc. ( Site 0118) Houston Texas
United States Kansas City CARE Clinic ( Site 0106) Kansas City Missouri
United States Orlando Immunology Center (OIC) ( Site 0105) Orlando Florida
United States Pueblo Family Physicians ( Site 0119) Phoenix Arizona
United States University California / Davis ( Site 0101) Sacramento California
United States Whitman Walker Clinic ( Site 0108) Washington District of Columbia

Sponsors (1)

Lead Sponsor Collaborator
Merck Sharp & Dohme LLC

Countries where clinical trial is conducted

United States,  Chile,  France,  United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Percentage of Participants With HIV-1 RNA <50 Copies/mL at Week 24 Blood samples were collected and plasma human immunodeficiency virus 1 (HIV-1) ribonucleic acid (RNA) were quantified using a real time polymerase chain reaction (PCR) assay with a lower limit of detection of 40 copies/mL. Missing values were counted as failure. Week 24
Primary Percentage of Participants With HIV-1 RNA <50 Copies/mL at Week 48 Blood samples were collected and plasma HIV-1 RNA were quantified using a real time PCR assay with a lower limit of detection of 40 copies/mL. Missing values were counted as failure. Week 48
Primary Number of Participants Experiencing Adverse Events (AEs) up to Week 144 An adverse event (AE) is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a study treatment. Up to 144 weeks
Primary Number of Participants Discontinuing Study Drug Due to AEs up to Week 144 An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a study treatment. Up to 144 weeks
Secondary Percentage of Participants With HIV-1 RNA <50 Copies/mL up to 24 Weeks After 3TC and Placebo Are Discontinued From the Regimen Blood samples were collected and plasma HIV-1 RNA were quantified using a real time PCR assay with a lower limit of detection of 40 copies/mL, and missing values were counted as failure. 3TC and placebo are discontinued from the regimen from Week 24 up to Week 52. Up to 24 weeks after 3TC and Placebo are discontinued from the regimen (up to approximately 60 weeks after initiating treatment)
Secondary Percentage of Participants With HIV-1 RNA <50 Copies/mL up to 48 Weeks After 3TC and Placebo Are Discontinued From the Regimen Blood samples were collected and plasma HIV-1 RNA were quantified using a real time PCR assay with a lower limit of detection of 40 copies/mL, and missing values were counted as failure. 3TC and placebo are discontinued from the regimen from Week 24 up to Week 52. Up to 48 weeks
Secondary Percentage of Participants With HIV-1 RNA <50 Copies/mL up to 48 Weeks After Starting Open-label Doravirine/Islatravir Regimen (Part 4) Blood samples were collected and plasma HIV-1 RNA were quantified using a real time PCR assay with a lower limit of detection of 40 copies/mL. Missing values were counted as failure. The percentage of participants with HIV-1 RNA <50 copies in Part 4 are reported. Up to Week 192
Secondary Change From Baseline in Mature T-helper (CD4+ T)-Cell Count at Week 24 Blood samples were collected and cluster of differentiation (CD4)+ T-cell counts were performed, where baseline measurements are defined as the Day 1 value, and baseline values were carried forward for participants who discontinue due to lack of efficacy. Post-baseline data were collected after the first dose of study medication through 14 days after the last dose of study medication. Baseline and Week 24
Secondary Change From Baseline in CD4+ T-cell Count at Week 48 Blood samples were collected and CD4+ T-cell counts were performed, where baseline measurements are defined as the Day 1 value, and baseline values were carried forward for participants who discontinue due to lack of efficacy. Post-baseline data were collected after the first dose of study medication through 14 days after the last dose of study medication. Baseline and Week 48
Secondary Change From Baseline in CD4+ T-cell Count at Week 96 Blood samples were collected and CD4+ T-cell counts were performed, where baseline measurements are defined as the Day 1 value, and baseline values were carried forward for participants who discontinue due to lack of efficacy. Post-baseline data were collected after the first dose of study medication through 14 days after the last dose of study medication. Baseline and Week 96
Secondary Change From Baseline in CD4+ T-cell Count at Week 144 Blood samples were collected and CD4+ T-cell counts were performed, where baseline measurements are defined as the Day 1 value, and baseline values were carried forward for participants who discontinue due to lack of efficacy. Post-baseline data were collected after the first dose of study medication through 14 days after the last dose of study medication. Baseline and Week 144
Secondary Change From Baseline in CD4+ T-cell Count at Week 192 (Part 4) Blood samples were collected and CD4+ T-cell counts were performed, where baseline measurements are defined as the Week 144 value. The change from baseline in CD4+ T-cell count at Week 192 (Part 4) are reported. Baseline and Week 192
Secondary Number of Participants Experiencing AEs Through 24 Weeks After 3TC and Placebo Are Discontinued From the Regimen An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a study treatment. 3TC and placebo are discontinued from the regimen from Week 24 up to Week 52. Up to 24 weeks
Secondary Number of Participants Discontinuing Study Drug Due to AEs Through 24 Weeks After 3TC and Placebo Are Discontinued From the Regimen An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a study treatment. 3TC and placebo are discontinued from the regimen from Week 24 up to Week 52. Up to 24 weeks
Secondary Number of Participants Experiencing AEs From Week 96 Through Study Duration An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a study treatment. Week 96 up to Week 192
Secondary Number of Participants Discontinuing Study Drug Due to AEs From Week 96 Through Study Duration An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a study treatment. Week 96 up to Week 192
Secondary Number of Participants Experiencing AEs During Open Label Doravirine/Islatravir Treatment After Week 144 up to Week 192 (Part 4) An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a study treatment. The number of participants who experienced AEs during Part 4 are reported. Week 144 up to Week 192
Secondary Number of Participants Discontinuing Study Drug Due to AEs During Open Label Doravirine/Islatravir Treatment After Week 144 up to Week 192 (Part 4) An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a study treatment. The number of participants who discontinued the study drug due to AEs in Part 4 are reported. Week 144 up to Week 192
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