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Phase 2 N=2,699 Randomized Quadruple-blind Prevention

Evaluating the Safety and Efficacy of the VRC01 Antibody in Reducing Acquisition of HIV-1 Infection Among Men and Transgender Persons Who Have Sex With Men

HIV Infections

Enrolled (actual)
2,699
Serious AEs
3.7%
Results posted
Feb 2022
Primary outcome: Primary: Number of Participants Reporting Local Reactogenicity Signs and Symptoms: Pain and/or Tenderness — 812; 794; 805; 1599 Participants

Study Design & Population

Study type
Interventional
Phase
Phase 2
Interventions
VRC01 (Biological); Placebo for VRC01 (Biological)
Age
Adult · 18+ yrs
Sex
Male
Sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
Primary completion
Dec 2020

Outcome Measures

OutcomeResultp-value
PRIMARY
Number of Participants Reporting Local Reactogenicity Signs and Symptoms: Pain and/or Tenderness
812; 794; 805; 1599; 90; 104
PRIMARY
Number of Participants Reporting Local Reactogenicity Signs and Symptoms: Erythema and/or Induration
877; 878; 882; 1760; 17; 13
PRIMARY
Number of Participants Reporting Systemic Reactogenicity Signs and Symptoms
664; 672; 691; 1363; 197; 182
PRIMARY
Chemistry and Hematology Laboratory Measures - Alanine Aminotransferase (ALT)
25; 24; 24; 24; 24; 24
PRIMARY
Chemistry and Hematology Laboratory Measures - Creatinine
0.86; 0.86; 0.86; 0.86; 0.87; 0.86
PRIMARY
Chemistry and Hematology Laboratory Measures - Hemoglobin
14.9; 14.8; 14.9; 14.8; 14.7; 14.7
PRIMARY
Chemistry and Hematology Laboratory Measures - Lymphocyte Count, Neutrophil Count
1988.5; 1980; 1971; 1978.5; 1926; 1904
PRIMARY
Chemistry and Hematology Laboratory Measures - Platelets, White Blood Cells (WBC)
6.33; 6.4; 6.3; 6.3; 6.2; 6.1
PRIMARY
Chemistry and Hematology Laboratory Measures Meeting Grade 3 AE Criteria or Above
1; 0; 1; 1; 1; 0
PRIMARY
Number of Participants With Early Infusion Discontinuation and Reasons for Discontinuation
0; 0; 0; 0; 37; 32
PRIMARY
Incidence Rate of Early Infusion Discontinuation
8.9; 10; 8.8
PRIMARY
Number of Participants With Documented HIV-1 Infection by the Week 80 Visit
38; 32; 28; 60 0.15
SECONDARY
Serum Concentration of VRC01 in Participants Assigned to Receive the mAb
23.1; 55.1; 5.8; 15.4; 65.7; 212
SECONDARY
VRC01 Clinical Lot Neutralization of Founder Viruses (IC80)
3.28; 4.7; 5.78; 4.97
SECONDARY
VRC01 Serum Neutralization of Autologous Founder Viruses (ID50, ID80)
NA; NA

Summary

This study will evaluate the safety and efficacy of the human monoclonal antibody (mAb) VRC-HIVMAB060-00-AB (VRC01) in preventing HIV-1 infection among men and transgender (TG) persons who have sex with men, in North America, South America, and Switzerland.

Eligibility Criteria

Inclusion Criteria

General and Demographic Criteria

  • Age of 18 to 50 years
  • Access to a participating clinical research site (CRS) and willingness to be followed for the planned duration of the study
  • Ability and willingness to provide informed consent
  • Assessment of understanding: volunteer demonstrates understanding of this study and completes a questionnaire prior to first infusion with verbal demonstration of understanding of all questionnaire items answered incorrectly
  • Agrees not to enroll in another study of an investigational research agent for the duration of the participant's trial participation
  • Good general health as shown by medical history, physical exam, and screening laboratory tests

HIV-Related Criteria

  • Willingness to receive HIV test results
  • Willingness to discuss HIV infection risks and amenable to HIV risk reduction counseling
  • Persons born Male or identifying as Transgender (TG) (male-to-female or female-to-male, see HVTN 704/HPTN 085 SSP) who, in the 6 months prior to randomization, experienced 1 or both of the following HIV risk criteria:
  • Condomless anal intercourse with 1 or more male or transgender partner(s)
  • Anal intercourse with 2 or more male or transgender partners
  • Male-to-female and female-to-male TG volunteers are eligible. Receipt of hormonal therapy does not make a TG volunteer ineligible.
  • Volunteers who have been in a mutually monogamous relationship with an HIV-1 seronegative partner for greater than 1 year are excluded.

Laboratory Inclusion Values:

Hematology

  • Hemoglobin (Hgb) greater than or equal to 10.5 g/dL for volunteers who were born female, greater than or equal to 13.0 g/dL for volunteers who were born male (greater than or equal to 12.0 g/dL for transgender women taking feminizing hormones [e.g., anti-androgens, estrogens])
  • Platelets greater than or equal to 100,000 cells/mm^3

Chemistry

  • Alanine aminotransferase (ALT) less than 2.5 times the institutional upper limit of normal and creatinine less than or equal to 1.25 times the institutional upper limit of normal

Virology

  • HIV uninfected, as defined in the SSP, within 30 days prior to enrollment

Urine

  • Negative, trace, or 1+ (30 g/L for semi-quantitative) urine protein by dipstick

Reproductive Status

  • Volunteers capable of becoming pregnant: negative serum or urine beta human chorionic gonadotropin (β-HCG) pregnancy test performed at the screening visit and prior to infusion on the day of initial infusion. Persons who are NOT capable of becoming pregnant due to having undergone total hysterectomy or bilateral oophorectomy (verified by medical records) are not required to undergo pregnancy testing.
  • Reproductive Status: A volunteer who is capable of becoming pregnant must agree to consistently use effective contraception (see the protocol and SSP for more information) for sexual activity that could lead to pregnancy from at least 21 days prior to enrollment through the last required protocol clinic visit.
  • Volunteers capable of becoming pregnant must also agree not to seek pregnancy through alternative methods, such as artificial insemination or in vitro fertilization until after the last required protocol clinic visit

Exclusion Criteria

General

  • Investigational research agents received within 30 days before first infusion
  • Body mass index (BMI) greater than or equal to 40
  • Pregnant or breastfeeding
  • Any reactive, indeterminate, or positive HIV test, even if subsequent testing indicates that the individual is not HIV infected, except as permitted by the HVTN 704/HPTN 085 Protocol Safety Review Team (PSRT).

Vaccines

  • HIV vaccine(s) received in a prior HIV vaccine trial. For volunteers who have received control/placebo in an HIV vaccine trial, the HVTN 704/HPTN 085 PSRT will determine eligibility on a case-by-case basis.

Immune System

  • Serious adverse reactions to VRC01 formulation components such as sodium citrate, sodium chloride, and L-arginine hydrochloride, including histo
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT02716675). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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