Intervention: Efavirenz
Trial phase: Phase 3
ATC code: J05AG03 | J05AR06 | J05AR11
SMILES: O=C1Nc2ccc(Cl)cc2[C@@](C#CC2CC2)(C(F)(F)F)O1
Sex: All
Age groups: Adult | Older Adult
Healthy volunteers: No
Participants at risk: 392
Group description: EFV 600 mg/FTC 200 mg/TDF 300 mg STR administered orally once daily
Eligibility criteria:
Inclusion Criteria:

Ability to understand and sign a written informed consent form
Plasma HIV-1 RNA levels ≥ 2,500 copies/mL at screening
No prior use of any approved or experimental anti-HIV drug for any length of time
Screening genotype report showing sensitivity to EFV, FTC, TDF, and lack of the RPV mutations K101E/P, E138A/G/K/Q/R, Y181C/I/V, and H221Y
Normal ECG
Hepatic transaminases (alanine aminotransferase [ALT] and aspartate aminotransferase [AST]) ≤ 5 x the upper limit of the normal range (ULN)
Total bilirubin ≤ 1.5 mg/dL, or normal direct bilirubin
Adequate hematologic function
Serum amylase ≤ 5 x ULN (participants with serum amylase > 5 x ULN remained eligible if serum lipase was ≤ 5 x ULN)
Adequate renal function
Males and Females of childbearing potential must have agreed to utilize highly effective contraception methods (two separate forms of contraception, one of which must be an effective barrier method, or be non-heterosexually active, practice sexual abstinence or have a vasectomized partner) from screening throughout the duration of study period and for 12 weeks following the last dose of study drug.
Adult (≥ 18 years) males or non-pregnant females

Exclusion Criteria:

A new AIDS-defining condition diagnosed within the 30 days prior to screening
Females who were breastfeeding
Positive serum pregnancy test (female of childbearing potential)
Proven or suspected acute hepatitis in the 30 days prior to study entry
Subjects receiving drug treatment for hepatitis C, or subjects who were anticipated to receive treatment for hepatitis C during the course of the study
Subjects experiencing decompensated cirrhosis
Had an implanted defibrillator or pacemaker
Current alcohol or substance abuse
A history of malignancy within the past 5 years or ongoing malignancy other than cutaneous Kaposi's sarcoma, basal cell carcinoma, or resected, non-invasive cutaneous squamous carcinoma
Active, serious infections requiring parenteral antibiotic or antifungal therapy within 30 days prior to baseline
Receiving ongoing therapy or anticipated to need to initiate drugs or herbal/natural supplements during the study that are contraindicated or not recommended for use, including drugs not to be used with FTC, EFV, RPV, or TDF; or subjects with known allergies to the excipients of the FTC/RPV/TDF or EFV/FTC/TDF single-tablet regimens
Participation in any other clinical trial without prior approval from the sponsor was prohibited while participating in this trial.
Had been treated with immunosuppressant therapies or chemotherapeutic agents within 3 months of study screening, or expected to receive these agents or systemic steroids for immunosuppression during the study (eg, corticosteroids, immunoglobulins, and other immune-based or cytokine-based therapies)
Had any other clinical condition or prior therapy that, in the opinion of the Investigator, would have made the participant unsuitable for the study or unable to comply with the dosing requirements