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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT05630755
Other study ID # 8591A-052
Secondary ID MK-8591A-0522022
Status Active, not recruiting
Phase Phase 3
First received
Last updated
Start date February 17, 2023
Est. completion date October 15, 2025

Study information

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

Clinical Trial Summary

The primary objectives of this study are to evaluate the antiretroviral activity of a switch to DOR/ISL compared with continued BIC/FTC/TAF at Week 48; and to evaluate the safety and tolerability of a switch to DOR/ISL compared with continued BIC/FTC/TAF, through Week 48. The primary hypotheses are that (1) DOR/ISL is non-inferior to continued BIC/FTC/TAF, as assessed by the percentage of participants with HIV-1 ribonucleic acid (RNA) ≥50 copies/mL at Week 48, with a margin of 4 percentage points used to define non-inferiority; and (2) DOR/ISL is superior to BIC/FTC/TAF, as assessed by the percentage of participants with HIV-1 RNA ≥50 copies/mL at Week 48.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 501
Est. completion date October 15, 2025
Est. primary completion date November 13, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility The key inclusion and exclusion criteria include but are not limited to the following: Inclusion Criteria: - Is HIV-1 positive with plasma HIV-1 RNA <50 copies/mL - Has been receiving BIC/FTC/TAF therapy with documented viral suppression (HIV-1 RNA <50 copies/mL) for =3 consecutive months prior to providing documented informed consent and has no history of prior virologic treatment failure on any past or current regimen - Female is not a participant of childbearing potential (POCBP); or if a participant of childbearing potential, not pregnant or breastfeeding, and is willing to use an acceptable contraceptive method or abstain from heterosexual intercourse for study duration Exclusion Criteria: - Has HIV-2 infection - Has a diagnosis of an active acquired immunodeficiency syndrome (AIDS)-defining opportunistic infection within 30 days prior to screening - Has active hepatitis B virus (HBV) infection - Has chronic hepatitis C virus (HCV) infection with laboratory values consistent with cirrhosis - Has a history of malignancy =5 years prior to providing documented informed consent except for adequately treated basal cell or squamous cell skin cancer, in situ cervical cancer, or cutaneous Kaposi's sarcoma - Is taking or is anticipated to require systemic immunosuppressive therapy, immune modulators, or strong and moderate cytochrome P450 3A (CYP3A ) inducers - Has a documented or known virologic resistance to DOR - Has taken long-acting HIV therapy at any time (e.g., cabotegravir, lenacapavir) - Is currently participating in or has participated in a clinical study and received (or is receiving) an investigational compound or device from 45 days prior to Day 1 through the study treatment period except those currently enrolled in the comparator arm of an ongoing DOR/ISL study

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
DOR/ISL
DOR/ISL 100 mg/0.25 mg oral tablets once daily
BIC/FTC/TAF
BIC/FTC/TAF 50 mg/200 mg/25 mg oral tablets once daily
Placebo to BIC/FTC/TAF
0 mg oral tablets once daily
Placebo to DOR/ISL
0 mg oral tablets once daily

Locations

Country Name City State
Australia Holdsworth House Medical Practice - Brisbane ( Site 6201) Brisbane Queensland
Australia Royal Brisbane and Women's Hospital-Infectious Diseases Research ( Site 6204) Brisbane Queensland
Australia Holdsworth House Medical Practice ( Site 6200) Darlinghurst New South Wales
Australia Prahran Market Clinic ( Site 6202) Melbourne Victoria
Australia St Vincent's Hospital-IBAC ( Site 6203) Sydney New South Wales
Chile Clínica Universidad de Los Andes ( Site 2206) Santiago Region M. De Santiago
Chile Universidad de Chile - Hospital Clínico Universidad de Chile-Inmunologia Alergia y VIH ( Site 2200) Santiago Region M. De Santiago
Chile Clinica Universidad Catolica del Maule ( Site 2204) Talca Maule
Chile Hospital hernan henriquez aravena de temuco-Unidad de Investigación Clínica ( Site 2205) Temuco Araucania
Israel Rambam Health Care Campus-Institute of Allergy, Clinical Immunology, ( Site 4801) Haifa
Israel Hadassah Medical Center-Infecious Disease ( Site 4802) Jerusalem
Israel Sheba Medical Center-HIV unit ( Site 4803) Ramat Gan
Israel Sourasky Medical Center ( Site 4804) Tel Aviv
Japan National Hospital Organization Nagoya Medical Center ( Site 6603) Nagoya Aichi
Japan National Hospital Organization - Osaka National Hospital - Institute For Clinical Research ( Site 66 Osaka
Japan Center Hospital of the National Center for Global Health and Medicine ( Site 6601) Shinjyuku-ku Tokyo
United Kingdom Queen Elizabeth Hospital Birmingham ( Site 5809) Birmingham England
United Kingdom Southmead Hospital ( Site 5805) Bristol Bristol, City Of
United Kingdom University Hospital of Wales ( Site 5803) Cardiff Wales
United Kingdom Royal Liverpool University Hospital ( Site 5812) Liverpool England
United Kingdom Guy's & St Thomas' NHS Foundation Trust ( Site 5808) London London, City Of
United Kingdom Royal Free Hospital ( Site 5801) London England
United Kingdom Royal London Hospital ( Site 5800) London England
United Kingdom The Mortimer Market Centre for Sexual Health and HIV Research ( Site 5810) London London, City Of
United Kingdom Royal Berkshire Hospital ( Site 5813) Reading
United States Central Texas Clinical Research ( Site 1413) Austin Texas
United States St Hope Foundation ( Site 1410) Bellaire Texas
United States Be Well Medical Center ( Site 1408) Berkley Michigan
United States Pacific Oaks Medical Group ( Site 1400) Beverly Hills California
United States AccessHealth MA ( Site 1419) Boston Massachusetts
United States North Texas Infectious Diseases Consultants, P.A ( Site 1404) Dallas Texas
United States Prism Health North Texas, Oak Cliff Health Center ( Site 1409) Dallas Texas
United States Infectious Disease Specialists of Atlanta ( Site 1403) Decatur Georgia
United States Therafirst Medical Center ( Site 1402) Fort Lauderdale Florida
United States Midway Immunology and Research Center ( Site 1401) Fort Pierce Florida
United States Texas Centers for Infectious Disease Associates ( Site 1406) Fort Worth Texas
United States Regional Center for Infectious Disease Research ( Site 1435) Greensboro North Carolina
United States The Crofoot Research Center ( Site 1424) Houston Texas
United States KC CARE Health Center-Clinical Trials ( Site 1422) Kansas City Missouri
United States Las Vegas Research Center ( Site 1436) Las Vegas Nevada
United States DCOL Center for Clinical Research ( Site 1415) Longview Texas
United States Mills Clinical Research ( Site 1433) Los Angeles California
United States Ruane Clinical Research Group, Inc ( Site 1414) Los Angeles California
United States Mercer University, Department of Internal Medicine ( Site 1411) Macon Georgia
United States AHF The Kinder Medical Group ( Site 1426) Miami Florida
United States Orlando Immunology Center ( Site 1407) Orlando Florida
United States Pueblo Family Physicians ( Site 1425) Phoenix Arizona
United States Whitman-Walker Institute ( Site 1431) Washington District of Columbia
United States Triple O Research Institute, P.A ( Site 1417) West Palm Beach Florida

Sponsors (1)

Lead Sponsor Collaborator
Merck Sharp & Dohme LLC

Countries where clinical trial is conducted

United States,  Australia,  Chile,  Israel,  Japan,  United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Percentage of participants with HIV-1 RNA =50 copies/mL at Week 48 Percentage of participants with HIV-1 RNA =50 copies/mL at Week 48 will be reported. Week 48
Primary Percentage of participants who experience adverse events (AEs) through Week 48 An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Up to Week 48
Primary Percentage of participants who discontinue study intervention due to AEs through Week 48 An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Up to Week 48
Secondary Percentage of participants with HIV-1 RNA =50 copies/mL at Week 96 Percentage of participants with HIV-1 RNA =50 copies/mL at Week 96 will be reported. Week 96
Secondary Percentage of participants with HIV-1 RNA <200 copies/mL at Week 48 Percentage of participants with HIV-1 RNA <200 copies/mL at Week 48 will be reported. Week 48
Secondary Percentage of participants with HIV-1 RNA <50 copies/mL at Week 48 Percentage of participants with HIV-1 RNA <50 copies/mL at Week 48 will be reported. Week 48
Secondary Percentage of participants with HIV-1 RNA <200 copies/mL at Week 96 Percentage of participants with HIV-1 RNA <200 copies/mL at Week 96 will be reported. Week 96
Secondary Percentage of participants with HIV-1 RNA <50 copies/mL at Week 96 Percentage of participants with HIV-1 RNA <50 copies/mL at Week 96 will be reported. Week 96
Secondary Change from baseline in CD4+ T-cell count at Week 48 Mean change from baseline at Day 1 in CD4+ T-cell count at Week 48 will be reported. Baseline at Day 1 and Week 48
Secondary Change from baseline in CD4+ T-cell count at Week 96 Mean change from baseline at Day 1 in CD4+ T-cell count at Week 96 will be reported. Baseline at Day 1 and Week 96
Secondary Number of participants with viral drug resistance mutations at Week 48 Number of participants with evidence of viral drug resistance-associated substitutions at Week 48 will be reported. Week 48
Secondary Number of participants with viral drug resistance mutations at Week 96 Number of participants with evidence of viral drug resistance-associated substitutions at Week 96 will be reported. Week 96
Secondary Percentage of participants who experience AEs through study duration An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Up to Week 102
Secondary Percentage of participants who discontinue study intervention due to AEs through study duration An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Up to Week 96
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