3BNC117-LS and 10-1074-LS Plus N-803 (bNAb+N-803)

Completed · Phase 1

Conditions studied: Human Immunodeficiency Virus

In brief

The proposed study is a phase 1, open label, single arm study to evaluate the safety and antiretroviral activity of the combination of two long-acting broadly neutralizing antibodies, 3BNC117-LS dosed once at 30 mg/kg and 10-1074-LS dosed once at 10 mg/kg, both intravenously (IV) at week 0, plus an IL-15 superagonist complex, N-803, dosed at 6 mcg/kg, subcutaneously (SC) at week 1 and then every 3 weeks for a total of 8 doses, in ART-treated adults living with HIV during analytical treatment interruption.

Key facts

Study ID

NCT05245292

Run by

Rockefeller University

People needed

28

Starts

2022-12-07

Expected to finish

2025-12-31

Last updated by the study team

2026-03-31

Who can join

Age: 18 and older, up to 70. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male and females, age 18 to 70.
• Confirmed HIV-1 infection.
• On antiretroviral therapy with plasma HIV-1 RNA levels of < 50 copies/ml and no reported interruption of ART for 7 consecutive days or longer for at least 48 weeks, and < 20 copies/ml at screening.
• NOTE: At least two Viral Load (VL) measurements within 48 weeks prior to the Step 0 screening visit must be available for review. A single plasma HIV-1 RNA > 50 copies/mL but < 200 copies/mL that is followed by an HIV-1 RNA <50 copies/mL is permitted.
• Current CD4+ T cell counts > 450 cells/mcL, CD4+ T cell % ≥ 15%, and CD4+ T cell count nadir of ≥ 200 cells/mcL.
• If on an NNRTI-based regimen, willing to switch to an integrase inhibitor-based regimen for at least 4 weeks prior to discontinuing ART.
• For participants who can become pregnant (i.e., participants who have not been post-menopausal for at least 24 consecutive months, who have had menses within the preceding 24 months, or who have not undergone surgical sterilization, specifically hysterectomy and/or bilateral oophorectomy), negative pregnancy test at screening (Step 0) and within 48 hours prior to day 0 (Step 1 entry).
• Participants who can become pregnant must agree to use two methods of contraception, one of which must be from the highly effective methods for contraception listed below. Barrier methods of contraception are permitted for the second method of contraception. Contraception must be used from 10 days prior to the first of the investigational products (IP), while receiving the IPs, for 12 months after the last IP dose and until ART is reinitiated and viral suppression is achieved.
• Participants who can impregnate a partner and who are engaging in sexual activity that could lead to pregnancy must agree to use condoms from 10 days prior to the first dose of the investigational products (IP), while receiving the IPs, and for 12 months after the last IP dose to avoid impregnating a partner who can get pregnant.
• Willingness to use barrier protection (male or female) during sexual activity during analytical treatment interruption (ATI) and until viral re-suppression for those who re-start ART.

You may not qualify if…

• History of AIDS-defining illness within 3 years prior to enrollment.
• History of systemic corticosteroids (e.g. an equivalent dose of prednisone of > 20 mg daily for > 14 days), immunosuppressive anti-cancer, interleukins, systemic interferons, systemic chemotherapy or other medications considered significant by the trial physician within the last 6 months.
• Any clinically significant acute or chronic medical condition (e.g. such as autoimmune diseases, cirrhosis), other than HIV infection, that in the opinion of the investigator would preclude participation.
• History of or current clinical atherosclerotic cardiovascular disease (ASCVD), as defined by 2013 ACC/AHA guidelines.
• QTcF interval ≥ 440 ms at screening.
• Any history of an HIV-associated malignancy, including Kaposi's sarcoma, or 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 in the preceding 36 months or for whom such therapies are expected in the subsequent 12 months;
• Hepatitis B or C infection as indicated by the presence of Hepatitis B surface antigen (HBsAg) or hepatitis C virus RNA (HCV-RNA) in blood.
• Participants with known hypersensitivity to any constituent of the investigational products.
• Pregnancy or lactation.
• ART initiated during acute infection (defined as p24, HIV NAAT, or HIV RNA PCR positive, and negative or indeterminate HIV antibody testing).
• Receipt of cabotegravir-LA IM or rilpivirine-LA IM within 24 months prior to Step 1 study entry.
• Known resistance to all drugs within two or more ARV drug classes.
• Laboratory abnormalities in the parameters listed below:
• Absolute neutrophil count < 1,000 cells/microlitre;
• Hemoglobin < 10 gm/dL;
• Platelet count < 100,000 cells/microlitre;
• ALT > 1.5 x ULN;
• AST > 1.5 x ULN;
• Total bilirubin > 1.5 x ULN;
• eGFR < 60 mL/min/1.73m2;
• Any history of receipt of therapeutic HIV vaccine or HIV monoclonal antibody therapy.
• Participation in any clinical study of an investigational product within 12 weeks prior to study entry (day 0) or expected participation in such a study during this study.

Where it is running

• Weill Cornell Medicine, Cornell Clinical Trials Unit — New York, New York, United States
• The Rockefeller University — New York, New York, United States
• Perelman School of Medicine University of Pennsylvania — Philadelphia, Pennsylvania, United States

Full record on ClinicalTrials.gov

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