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Can two antibodies free HIV patients from daily pills? early trial launches

NCT ID NCT06987318

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-stage study tests whether two lab-made antibodies can help people with HIV control the virus after stopping their regular antiretroviral therapy. The 40 participants all started HIV treatment very early after infection. Researchers will monitor safety and see if the antibodies keep virus levels low during a temporary break from daily medication.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Two human antibodies (VRC07-523LS and PGT121.414.LS) given by IV infusion
What this could lead to
If successful, this could point toward a way for some people with HIV to control the virus without daily medication, potentially reducing lifelong drug dependence.
What could go wrong
This is a very early Phase 1 trial with only 40 participants, so results may not apply broadly. The antibodies may not suppress the virus for long, and there are risks of side effects or the virus becoming resistant.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 40 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Dec 2026

An estimate. Start dates often move.

Expected to finish

May 2028

An estimate. End dates often move.

Lead sponsor

A government research agency

The lead sponsor is the US National Institutes of Health.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 70 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Ability and willingness of participant to provide informed consent. * Initiation of combination ART within 90 days of acute HIV diagnosis as defined by any of the criteria listed below: * A negative HIV Ab or HIV Ag/Ab Combination Assay and a detectable HIV-1 RNA (qualitative or quantitative) or a subsequently positive Western blot (WB) or equivalent HIV-1 confirmatory assay (e.g. Geenius assay) if no positive HIV-1 RNA test was available. * A positive HIV Ab or HIV Ag/Ab Combination Assay or p24 antigen test and a negative or indeterminate HIV confirmatory/differentiating test with a detectable HIV-1 RNA (qualitative or quantitative). * A positive HIV Ab or HIV-1 RNA or p24 antigen and positive WB or Geenius HIV-1/HIV-2 Supplemental Assay that is negative for p31 band. * Two different rapid HIV tests with discordant results followed by subsequently positive HIV serum antibody and/or HIV-1 RNA tests. * A positive HIV antibody test according to standard criteria obtained within 60 days after an initial negative or indeterminate HIV antibody, antigen, or nucleic acid amplification. * For women who are able to become pregnant, negative serum or urine pregnancy test within 48 hours prior to Step 1 entry. * All study candidates must agree not to participate in an assisted conception process (e.g., sperm donation, intrauterine insemination, in vitro fertilization) from the screening visit until 12 weeks after the final study visit. * Women who can become pregnant and are engaging in sexual activity that could lead to pregnancy must agree to use one highly effective method of contraception from Step 1 entry until 12 weeks after the final study visit. * Willingness to use barrier protection (male or female) during sexual activity during ATI and through confirmed viral resuppression. * Weight ≥50 kg and ≤150 kg at screening. * On stable suppressive ART for at least 12 months prior to Step 1 entry. No known ART interruption for longer than 14 days within 12 months prior to Step 1 entry. No more than two known ART interruptions of a duration between 14 and 60 consecutive days since initiation of ART. * ART regimens must contain a protease inhibitor (PI) or integrase strand transfer inhibitor (INSTI) as one of the active drugs in the ART regimen at the time of Step 1 entry. * CD4+ cell count of \>450 cells/mL obtained within 60 days prior to Step 1 entry. * Within 60 days prior to Step 1 entry, plasma HIV-1 RNA \< 50 copies/mL of plasma. * Plasma HIV-1 RNA \<50 copies/mL (or below the assay limit of quantification if the local assay limit of quantification is \>50 copies/mL) since initial viral suppression on ART and for at least 1 year prior to Step 1 entry. * Willingness to participate in an ATI. * The following laboratory values obtained within 60 days prior to Step 1 entry: * Absolute neutrophil count (ANC) ≥1000 cells/mm\^3 * Hemoglobin ≥12.0 g/dL for men and ≥11.0 g/dL for women * Platelet count ≥125,000/mm\^3 * Estimated glomerular filtration rate (eGFR) ≥60 mL/min/1.73 m\^2 calculated using the Chronic Kidney Disease Epidemiology Collaboration (CKD-Epi) 2021 equation * Total bilirubin \<1.5 x upper limit of normal (ULN) * Aspartate aminotransferase (AST) (SGOT) \<1.5 x ULN * Alanine aminotransferase (ALT) (SGPT) \<1.5 x ULN * Alkaline phosphatase \<1.5 x ULN * Hepatitis C virus (HCV) antibody negative result within 60 days prior to Step 1 entry or, for participants who are HCV antibody positive (based on testing performed at any time prior to Step 1 entry), a negative HCV RNA result obtained within 60 days prior to Step 1 entry. * Negative hepatitis B surface antigen (HBsAg) result obtained within 60 days prior to Step 1 entry. * Ability and willingness to restart ART following ATI according to study guidelines. * Completion of pre-entry leukapheresis or Large Volume Blood Draw (LVBD). Exclusion Criteria: * Breastfeeding or plans to become pregnant within the next 36 months. * Known allergy/sensitivity or any hypersensitivity to components of study treatment or its formulation. * Active drug or alcohol use or dependence that, in the opinion of the site investigator, would interfere with adherence to study requirements. * Receipt of any investigational vaccine within 6 months prior to Step 1 entry. * Receipt of any vaccine within 14 days prior to Step 1 entry. * Prior receipt of anti-HIV broadly neutralizing antibody therapy. * Prior receipt of a latency-reversing agent (LRA), whether licensed or investigational, unless reviewed and approved by the study's CMC. * AIDS-defining illness or opportunistic infection within 24 months prior to Step 1 entry. * Any clinically significant acute or chronic medical condition (such as autoimmune diseases), other than HIV infection, that in the opinion of the investigator would preclude participation. * Any history of an HIV-associated malignancy, including Kaposi's sarcoma and any type of lymphoma, or virus-associated cancers. * History of progressive multifocal leukoencephalopathy (PML). * Active or recent non-HIV-associated malignancy requiring systemic chemotherapy or surgery within 36 months prior to Step 1 entry or for whom such therapies are expected in the subsequent 12 months. * Receipt of cabotegravir-LA intramuscular (IM) or rilpivirine-LA IM or lenacapavir (SQ) within 24 months prior to Step 1 entry. * Resistance to one or more drugs in two or more ARV drug classes. * History of systemic corticosteroids (long-term use), immunosuppressive anti-cancer or other immunosuppressive agents, interleukins, systemic interferons, systemic chemotherapy, or other medications considered significant by the investigator within the 6 months prior to Step 1 entry. * History of or current clinical atherosclerotic cardiovascular disease (ASCVD), as defined by 2013 ACC/AHA guidelines, including a previous diagnosis of any of the following: * Acute myocardial infarction * Acute coronary syndromes * Stable or unstable angina * Coronary or other arterial revascularization * Stroke * Transient ischemic attack * Peripheral arterial disease presumed to be of atherosclerotic origin * For participants aged ≥40: 10-year ASCVD risk score estimated by Pooled Cohort Equations \>20% within 60 days prior to Step 1 entry. * Acute or serious illness requiring systemic treatment and/or hospitalization within 60 days prior to Step 1 entry.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    13 sites in 3 countries. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Alabama CRS

    Birmingham, Alabama, 35222, United States

  • Barranco CRS

    Lima, 15063, Peru

  • Chapel Hill CRS

    Chapel Hill, North Carolina, 27599-7215, United States

  • Houston Advancing Research Team CRS

    Houston, Texas, 77030, United States

  • Instituto de Pesquisa Clinica Evandro Chagas (IPEC) CRS

    Rio de Janeiro, 21040-900, Brazil

  • Instituto de Pesquisas em AIDS do Rio Grande do Sul - IPARGS CRS

    Porto Alegre, Rio Grande do Sul, 91350-180, Brazil

  • Massachusetts General Hospital CRS (MGH CRS)

    Boston, Massachusetts, 02114, United States

  • Northwestern University CRS

    Chicago, Illinois, 60611, United States

  • Ohio State University CRS

    Columbus, Ohio, 43210, United States

  • Penn Therapeutics CRS

    Philadelphia, Pennsylvania, 19104, United States

  • The Ponce de Leon Center CRS

    Atlanta, Georgia, 30308-2012, United States

  • UCSD Antiviral Research Center CRS

    San Diego, California, 92103, United States

  • University of Colorado Hospital CRS

    Aurora, Colorado, 80045, United States

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