Evaluation of Safety and Immunogenicity of Ad26.Mos4.HIV and CH505 TF chTrimer Combination in Healthy Adults

PHASE1RecruitingINTERVENTIONAL
Enrollment

78

Participants

Timeline

Start Date

January 30, 2024

Primary Completion Date

December 31, 2025

Study Completion Date

June 30, 2026

Conditions
Human Immunodeficiency Virus
Interventions
BIOLOGICAL

Ad26.Mos4.HIV in CH505 TF chTrimer + ALFQ [Arm 1a]

Participants in Arm 1a will receive dose consistent injections (5x10\^10 vp/0.5 mL) of Ad26.Mos4.HIV in a 0.5 mL injection volume and dose consistent injections of CH505 TF chTrimer (300 µg)+ALFQ (200 µg MPLA/100 µg QS-21) in a 1.1 mL injection volume on Study Days 1 and 57

BIOLOGICAL

CH505 TF chTrimer + ALFQ [Arm 1a]

Participants in Arm 1a will receive a dose-consistent injection of CH505 TF chTrimer (300 µg)+ALFQ (200 µg MPLA/100 µg QS 21) in a 1.1 mL injection volume on Study Day 169.

BIOLOGICAL

Placebo [Arm 1a]

Participants in Arm 1a will receive dose-consistent 0.5 mL injection and a 1.1 mL injection of Placebo on Study Days 1 and 57, followed by a 1.1 mL injection of Placebo on Study Day 169.

BIOLOGICAL

Ad26.Mos4.HIV in CH505 TF chTrimer +ALFQ [Arm 2a]

"Participants in Arm 2a will receive a lower dose of Ad26.Mos4.HIV (2.5x10\^10 vp/0.25 mL) in a 0.25 mL injection volume and a lower dose of CH505 TF chTrimer (30 µg)+ALFQ (50 µg MPLA/25 µg QS-21) in a 0.5 mL injection volume on Study Day 1.~Participants in Arm 2a will receive an injection Ad26.Mos4.HIV (5x10\^10 vp/0.5 mL) in a 0.5 mL injection volume and CH505 TF chTrimer (300 µg)+ALFQ (200 µg MPLA/100 µg QS 21) in a 1.1 mL injection volume on Study Day 57."

BIOLOGICAL

CH505 TF chTrimer +ALFQ [Arm 2a]

"Participants in Arm 2a will receive a rapid, dose escalating injections of CH505 TF chTrimer (100 µg, 150 µg, and 300 µg)+ALFQ (50 µg MPLA/ 25 µg QS-21) on Study Days 4 (0.5 mL injection volume), 8 (0.5 mL injection volume), and 15 (0.9 mL injection volume).~Participants in Arm 2a will receive a injection of CH505 TF chTrimer (300 µg)+ALFQ (200 µg MPLA/100 µg QS 21) in a 1.1 mL injection volume on Study Day 169."

BIOLOGICAL

Placebo [Arm 2a]

Participants in Arm 2a will receive a 0.25 mL injection and a 0.5 mL injection of Placebo on Study Day 1; followed by 0.5 mL, 0.5 mL, and 0.9 mL injections of Placebo on Study Days 4, 8, and 15, respectively; followed by a 0.5 mL injection and a 1.1 mL injection of Placebo on Study Day 57; followed by a 1.1 mL injection of Placebo on Study Day 169.

BIOLOGICAL

CH505 TF chTrimer + ALFQ [Arm 1b]

Participants in Arm 1b will receive dose consistent injections of CH505 TF chTrimer (300 µg)+ALFQ (200 µg MPLA/100 µg QS-21) in a 1.1 mL injection volume on Study Days 1, 57, and 169.

BIOLOGICAL

Placebo [Arm 1b]

Participants in Arm 1b will receive a 1.1 mL injection of Placebo on Study Days 1, 57, and 169.

BIOLOGICAL

CH505 TF chTrimer + ALFQ [Arm 2b]

"Participants in Arm 2b will receive a lower dose of CH505 TF chTrimer (30 µg)+ALFQ (50 µg MPLA/25 µg QS 21) in a 0.5 mL injection volume on Study Day 1.~Participants in Arm 2b will receive a rapid, dose escalating injections of CH505 TF chTrimer (100 µg, 150 µg, and 300 µg)+ALFQ (50 µg MPLA/ 25 µg QS-21) on Study Days 4 (0.5 mL injection volume), 8 (0.5 mL injection volume), and 15 (0.9 mL injection volume).~Participants in Arm 2b will receive a injections of CH505 TF chTrimer (300 µg)+ALFQ (200 µg MPLA/100 µg QS 21) in a 1.1 mL injection volume on Study Days 57 and 169."

BIOLOGICAL

Placebo [Arm 2b]

Participants in Arm 2b will receive a 0.5 mL injection of Placebo on Study Days 1, 4, and 8; followed by a 0.9 mL injection of Placebo on Study Day 15; followed by a 1.1 mL injection of Placebo on Study Days 57 and 169.

Trial Locations (1)

Unknown

RECRUITING

Makerere University Walter Reed Project (MUWRP), Kampala

Sponsors

Collaborators (1)

All Listed Sponsors
collaborator

Janssen Vaccines & Prevention B.V.

INDUSTRY

collaborator

Henry M. Jackson Foundation for the Advancement of Military Medicine

OTHER

collaborator

Duke University

OTHER

collaborator

Walter Reed Army Institute of Research (WRAIR)

FED

collaborator

National Institute of Allergy and Infectious Diseases (NIAID)

NIH

collaborator

Makerere University Walter Reed Project

UNKNOWN

lead

U.S. Army Medical Research and Development Command

FED

NCT06205056 - Evaluation of Safety and Immunogenicity of Ad26.Mos4.HIV and CH505 TF chTrimer Combination in Healthy Adults | Biotech Hunter | Biotech Hunter