175 Participants NeededMy employer runs this trial

GS-3242 + Lenacapavir for HIV

Recruiting at 56 trial locations
Age: 18+
Sex: Any
Trial Phase: Phase 2
Sponsor: Gilead Sciences
Must be taking: Biktarvy
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)
Prior Safety DataThis treatment has passed at least one previous human trial

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial tests new treatments, GS-3242 and Lenacapavir, to determine if they outperform the current treatment, Biktarvy, for individuals with controlled HIV. Researchers aim to assess whether switching medications can maintain effective virus suppression. Participants will either continue with Biktarvy or switch to the new treatments, and the study will compare the outcomes. Ideal candidates for this trial are those with HIV-1 who have maintained control with Biktarvy for at least six months, without any history of certain drug resistances. As a Phase 2 trial, this research measures the treatment's effectiveness in an initial, smaller group, offering participants a chance to contribute to significant advancements in HIV treatment.

Will I have to stop taking my current medications?

The trial involves switching from your current medication, Biktarvy, to the study drugs GS-3242 and Lenacapavir. You will need to stop taking Biktarvy if you participate in the trial.

Is there any evidence suggesting that this trial's treatments are likely to be safe?

Research has shown that GS-3242 and Lenacapavir (LEN) are generally well-tolerated. Previous studies found no major safety concerns with GS-3242. It effectively reduced HIV levels and remained in the body for an extended period. Importantly, no serious side effects led to discontinuation of the treatment. Similarly, Lenacapavir has shown good tolerance in other studies, demonstrating effective virus control. Although these treatments are still under investigation and not yet approved, early findings suggest they are safe for further research.12345

Why are researchers excited about this trial's treatments?

Researchers are excited about GS-3242 in combination with Lenacapavir (LEN) for treating HIV because it introduces a novel approach with potentially longer-lasting effects. Unlike current treatments, which often require daily oral medication, this combination involves initial oral doses followed by intramuscular injections, allowing for less frequent dosing. Additionally, Lenacapavir is a capsid inhibitor, which targets a different part of the HIV lifecycle compared to most standard treatments, potentially offering a new way to control the virus. This could lead to greater convenience and adherence for patients, reducing the burden of daily medication.

What evidence suggests that this trial's treatments could be effective for HIV?

This trial will examine the combination of GS-3242 and Lenacapavir in different groups. Studies have shown that GS-3242, when combined with Lenacapavir, reduces the amount of HIV in the blood. This combination aims to maintain low virus levels, known as viral suppression. Research indicates that GS-3242 is highly effective against the virus and remains in the body for an extended period, potentially allowing for less frequent dosing. Initial findings suggest that Lenacapavir lowers the risk of spreading HIV. Together, these drugs are being studied for their ability to control HIV in individuals who already have low virus levels.12345

Who Is on the Research Team?

GS

Gilead Study Director

Principal Investigator

Gilead Sciences

Are You a Good Fit for This Trial?

This trial is for people with HIV-1 who have had very low virus levels (undetectable) for at least 6 months and are currently taking Biktarvy. Participants must not have certain resistance mutations to the study drugs.

Inclusion Criteria

Plasma HIV-1 RNA levels < 50 copies/mL at screening
I have been taking Biktarvy for at least 6 months.
Documented HIV-1 RNA < 50 copies/mL for ≥ 6 months before screening
See 1 more

Exclusion Criteria

I have taken GS-3242 or LEN before.
I have had my virus return while on an INSTI-based HIV treatment.
I have used long-acting injectable HIV medications or antibody treatments before.

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Treatment Part A

Participants receive oral loading doses of GS-3242 in combination with LEN oral tablets, followed by intramuscular injections of GS-3242 and LEN or continue B/F/TAF for up to 52 weeks

52 weeks

Treatment Part B

Participants receive oral loading doses of GS-3242 in combination with LEN oral tablets, followed by intramuscular injections of GS-3242 and LEN for up to 52 weeks

52 weeks

Follow-up

Participants are monitored for safety and effectiveness after treatment

4 weeks

What Are the Treatments Tested in This Trial?

Interventions

  • GS-3242
  • Lenacapavir

Trial Overview

The study compares switching to a new combination of GS-3242 plus Lenacapavir (given as tablets or injections) versus staying on Biktarvy in people whose HIV is well controlled. Participants are randomly assigned to either group.

How Is the Trial Designed?

4

Treatment groups

Experimental Treatment

Group I: Part B: Group 4 (Conditional) of GS-3242 + LENExperimental Treatment4 Interventions
Group II: Part A: Group 3 of B/F/TAFExperimental Treatment1 Intervention
Group III: Part A: Group 2 of GS-3242 + LENExperimental Treatment4 Interventions
Group IV: Part A: Group 1 of GS-3242 + LENExperimental Treatment4 Interventions

Find a Clinic Near You

Who Is Running the Clinical Trial?

Gilead Sciences

Lead Sponsor

Trials
1,150
Recruited
878,000+
Daniel O'Day profile image

Daniel O'Day

Gilead Sciences

Chief Executive Officer since 2019

MBA from Columbia University

Dietmar Berger profile image

Dietmar Berger

Gilead Sciences

Chief Medical Officer

MD and PhD from Albert-Ludwigs University School of Medicine

Citations

Gilead to Present New HIV Research at AIDS 2026 Across ...

GS-3242 in combination with lenacapavir is being evaluated in two phase 2 studies: Pulsar 1 and Pulsar 2 (NCT07708727).

NCT07001319 | Study of GS-3242 in Participants With HIV-1

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure.

Gilead to Present New HIV Treatment and Prevention Data ...

GS-3242 is an investigational compound, alone or in combination with lenacapavir, Its safety and efficacy are unknown. There is currently no cure for HIV or ...

Gilead to Present New HIV Treatment and Prevention Data ...

GS-3242 is an investigational compound, Its safety and efficacy are unknown. There is currently no cure for HIV or AIDS.

Safety, Pharmacokinetics, and Antiviral Activity of GS-3242, ...

GS-3242 did not show concerning safety issues; 2) it helped lower the amount of HIV in the blood; 3) it stays in the body for a long time,