Study of VRC07-523LS, CAP256V2LS, and Vesatolimod, in Early Antiretroviral-treated HIV-1 Clade C-infected Women
Primary Purpose
HIV-1-infection
Status
Recruiting
Phase
Phase 2
Locations
South Africa
Study Type
Interventional
Intervention
Vesatolimod
VRC07523LS
CAP256V2LS
Sponsored by

About this trial
This is an interventional treatment trial for HIV-1-infection
Eligibility Criteria
Key Inclusion Criteria:
- Age ≥ 18 years
- Females recruited from the Females Rising through Education, Support, and Health (FRESH) acute human immunodeficiency virus (HIV) infection cohort.
- Plasma human immunodeficiency -1 (HIV-1) ribonucleic acid (RNA) levels < 50 copies/mL at the screening visit.
- On antiretroviral (ART) regimen for ≥ 12 consecutive months prior to the screening visit.
Have all the following laboratory values at the screening visit:
- Hemoglobin ≥ 10.0 g/dL
- White blood cells ≥ 2500 cells/μL
- Platelets ≥ 125,000/mL
- Absolute neutrophil counts ≥ 1000 cells/μL
- Cluster of differentiation (CD)4+ T cell count ≥ 500 cells/μL
- Alanine aminotransferase (ALT), aspartate aminotransferase (AST), and bilirubin ≤ 2 × upper limit of normal (ULN)
- Creatinine clearance ≥ 60 mL/min
- Women of childbearing potential to have documentation of agreement to follow study contraceptive requirements.
- Documented plasma HIV-1 RNA < 50 copies/mL for 12 consecutive months prior to the screening visit.
- In the judgment of the investigator, be in good general health.
- Documented history of viral sensitivity to VRC07-523LS and CAP256V2LS at the screening visit.
Key Exclusion Criteria:
- Have poor venous access that limits phlebotomy.
- Positive serum pregnancy test.
- Nursing participants.
Females with coinfection and/or immunosuppression as described below:
- Autoimmune disease requiring ongoing immunosuppression
- Evidence of chronic hepatitis B virus (HBV) infection
- Evidence of current hepatitis C virus (HCV) infection
- Documented history of pre-ART CD4+ T cell count nadir < 200 cells/μL
- History of opportunistic illness indicative of Stage 3 HIV
- Acute febrile illness within 4 weeks prior to the first dose
- Have current alcohol or substance abuse judged by the investigator to potentially interfere with individual's compliance or individual's safety.
- Have been treated with systemic steroids, immunosuppressant therapies, or chemotherapeutic agents within 3 months prior to screening or are expected to receive these agents during the study.
- Have previous or current receipt of humanized or human monoclonal antibody (mAbs), or polyclonal immunoglobulin.
- Have previous history of an antidrug antibodies response to a therapeutic agent.
- Have previous receipt of an HIV vaccine.
- Received any vaccine or immunomodulatory medication within 4 weeks prior to screening.
Have a history of any of the following:
- Significant serious skin disease
- Significant drug sensitivity or drug allergy
- Known hypersensitivity to the study drugs, metabolites, or formulation excipients
- Previous or current history of bleeding disorder, platelet disorder including unexplained acute or chronic thrombocytopenia
- Autoimmune diseases including type 1 diabetes mellitus
- Have current Class C acquired immunodeficiency syndrome (AIDS)-defining condition.
- Have any serious or active medical or psychiatric illness that would interfere with participants treatment, assessment, or compliance with the protocol.
Note: Other protocol defined Inclusion/Exclusion criteria may apply.
Sites / Locations
- FRESH Clinical Research Site: Females Rising through Education, Support and HealthRecruiting
Arms of the Study
Arm 1
Arm Type
Experimental
Arm Label
VRC07523LS + CAP256V2LS + Vesatolimod (VES)
Arm Description
Participants will receive VES 6 mg (or up to 8 mg) every 2 weeks, for a total of 10 doses + VRC07-523LS and CAP256V2LS 20 mg/kg each on Day 7.
Outcomes
Primary Outcome Measures
Percentage of Participants Experiencing Treatment-emergent Adverse Events (TEAEs)
Percentage of Participants Experiencing Treatment-emergent Graded Laboratory Abnormalities
Secondary Outcome Measures
Time to Viral Rebound (confirmed ≥ 50 copies/mL and ≥ 200 copies/mL) Following Analytical Treatment Interruption (ATI)
The Change in Plasma Viral Load Set-point Following ATI
Viral Load at the End of ATI
Time to Antiretroviral Therapy (ART) Resumption Following ATI
Pharmacokinetic (PK) Parameter: Cmax of Vesatolimod (VES)
Cmax is defined as maximum observed concentration of drug.
PK Parameter: Tmax of VES
Tmax is defined as time (observed time point) of Cmax.
PK Parameter: Clast of VES
Clast is defined as last observed quantifiable concentration of the drug.
PK Parameter: Tlast of VES
Tlast is defined as time (observed time point) of Clast.
PK Parameter: AUCinf of VES
AUCinf is defined as area under the concentration versus time curve extrapolated to infinite time, calculated as AUClast + (Clast/λz).
PK Parameter: AUClast of VES
AUClast is defined as area under the concentration versus time curve from time zero to the last quantifiable concentration.
PK Parameter: AUCexp of VES
AUCexp is defined as AUC extrapolated between AUClast and AUCinf.
PK Parameter: t1/2 of VES
t1/2 is defined as estimate of the terminal elimination half-life of the drug, calculated by dividing the natural log of 2 by the terminal elimination rate constant (λz).
PK Parameter: CL/F of VES
CL/F is defined as clearance following extravascular administration.
PK Parameter: Vz/F of VES
Vz/F is defined as apparent volume of distribution.
PK Parameter: Cmax of VRC07-523LS and CAP256V2LS
Cmax is defined as maximum observed concentration of drug.
PK Parameter: Tmax of VRC07-523LS and CAP256V2LS
Tmax is defined as time (observed time point) of Cmax.
PK Parameter: Clast of VRC07-523LS and CAP256V2LS
Clast is defined as last observed quantifiable concentration of the drug.
PK Parameter: Tlast of VRC07-523LS and CAP256V2LS
Tlast is defined as time (observed time point) of Clast.
PK Parameter: AUCinf of VRC07-523LS and CAP256V2LS
AUCinf is defined as area under the concentration versus time curve extrapolated to infinite time, calculated as AUClast + (Clast/λz).
PK Parameter: AUClast of VRC07-523LS and CAP256V2LS
AUClast is defined as area under the concentration versus time curve from time zero to the last quantifiable concentration.
PK Parameter: AUCexp of VRC07-523LS and CAP256V2LS
AUCexp is defined as AUC extrapolated between AUClast and AUCinf.
PK Parameter: t1/2 of VRC07-523LS and CAP256V2LS
t1/2 is defined as estimate of the terminal elimination half-life of the drug, calculated by dividing the natural log of 2 by the terminal elimination rate constant (λz).
PK Parameter: CL of VRC07-523LS and CAP256V2LS
CL is defined as clearance following intravenous administration.
PK Parameter: Vss of VRC07-523LS and CAP256V2LS
Vss is defined as the apparent volume of distribution at steady-state.
PK Parameter: Vz of VRC07-523LS and CAP256V2LS
Vz is defined as volume of distribution of the drug after intravenous administration.
Percentage of Participants With Positive Anti-VRC07-523LS Antibodies
Percentage of Participants With Positive Anti-CAP256V2LS Antibodies
Full Information
1. Study Identification
Unique Protocol Identification Number
NCT05281510
Brief Title
Study of VRC07-523LS, CAP256V2LS, and Vesatolimod, in Early Antiretroviral-treated HIV-1 Clade C-infected Women
Official Title
A Phase 2a Study to Evaluate the Safety and Tolerability of a Regimen of Dual Anti-HIV Envelope Antibodies, VRC07-523LS and CAP256V2LS, in a Sequential Regimen With a TLR7 Agonist, Vesatolimod, in Early Antiretroviral-Treated HIV-1 Clade C-Infected Women
Study Type
Interventional
2. Study Status
Record Verification Date
October 2023
Overall Recruitment Status
Recruiting
Study Start Date
June 9, 2022 (Actual)
Primary Completion Date
November 2024 (Anticipated)
Study Completion Date
November 2024 (Anticipated)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Gilead Sciences
4. Oversight
Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Product Manufactured in and Exported from the U.S.
Yes
Data Monitoring Committee
Yes
5. Study Description
Brief Summary
The goals of this clinical study are to learn more about the study drugs, VRC07-523LS, CAP256V2LS, and vesatolimod (VES) and how safe it is in women that have HIV and are on antiretroviral therapy (ART).
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
HIV-1-infection
7. Study Design
Primary Purpose
Treatment
Study Phase
Phase 2
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
N/A
Enrollment
21 (Anticipated)
8. Arms, Groups, and Interventions
Arm Title
VRC07523LS + CAP256V2LS + Vesatolimod (VES)
Arm Type
Experimental
Arm Description
Participants will receive VES 6 mg (or up to 8 mg) every 2 weeks, for a total of 10 doses + VRC07-523LS and CAP256V2LS 20 mg/kg each on Day 7.
Intervention Type
Drug
Intervention Name(s)
Vesatolimod
Other Intervention Name(s)
GS-9620
Intervention Description
Administered orally
Intervention Type
Biological
Intervention Name(s)
VRC07523LS
Intervention Description
Administered intravenously
Intervention Type
Biological
Intervention Name(s)
CAP256V2LS
Intervention Description
Administered intravenously
Primary Outcome Measure Information:
Title
Percentage of Participants Experiencing Treatment-emergent Adverse Events (TEAEs)
Time Frame
First dose date up to 60 weeks
Title
Percentage of Participants Experiencing Treatment-emergent Graded Laboratory Abnormalities
Time Frame
First dose date up to 60 weeks
Secondary Outcome Measure Information:
Title
Time to Viral Rebound (confirmed ≥ 50 copies/mL and ≥ 200 copies/mL) Following Analytical Treatment Interruption (ATI)
Time Frame
Up to 60 weeks
Title
The Change in Plasma Viral Load Set-point Following ATI
Time Frame
Pre-antiretroviral therapy (ART) (Screening) and prior to ART reinitiation following ATI (maximum of 60 weeks)
Title
Viral Load at the End of ATI
Time Frame
Up to 60 weeks
Title
Time to Antiretroviral Therapy (ART) Resumption Following ATI
Time Frame
Up to 60 weeks
Title
Pharmacokinetic (PK) Parameter: Cmax of Vesatolimod (VES)
Description
Cmax is defined as maximum observed concentration of drug.
Time Frame
Predose up to 48 hours postdose
Title
PK Parameter: Tmax of VES
Description
Tmax is defined as time (observed time point) of Cmax.
Time Frame
Predose up to 48 hours postdose
Title
PK Parameter: Clast of VES
Description
Clast is defined as last observed quantifiable concentration of the drug.
Time Frame
Predose up to 48 hours postdose
Title
PK Parameter: Tlast of VES
Description
Tlast is defined as time (observed time point) of Clast.
Time Frame
Predose up to 48 hours postdose
Title
PK Parameter: AUCinf of VES
Description
AUCinf is defined as area under the concentration versus time curve extrapolated to infinite time, calculated as AUClast + (Clast/λz).
Time Frame
Predose up to 48 hours postdose
Title
PK Parameter: AUClast of VES
Description
AUClast is defined as area under the concentration versus time curve from time zero to the last quantifiable concentration.
Time Frame
Predose up to 48 hours postdose
Title
PK Parameter: AUCexp of VES
Description
AUCexp is defined as AUC extrapolated between AUClast and AUCinf.
Time Frame
Predose up to 48 hours postdose
Title
PK Parameter: t1/2 of VES
Description
t1/2 is defined as estimate of the terminal elimination half-life of the drug, calculated by dividing the natural log of 2 by the terminal elimination rate constant (λz).
Time Frame
Predose up to 48 hours postdose
Title
PK Parameter: CL/F of VES
Description
CL/F is defined as clearance following extravascular administration.
Time Frame
Predose up to 48 hours postdose
Title
PK Parameter: Vz/F of VES
Description
Vz/F is defined as apparent volume of distribution.
Time Frame
Predose up to 48 hours postdose
Title
PK Parameter: Cmax of VRC07-523LS and CAP256V2LS
Description
Cmax is defined as maximum observed concentration of drug.
Time Frame
Predose up to Day 413
Title
PK Parameter: Tmax of VRC07-523LS and CAP256V2LS
Description
Tmax is defined as time (observed time point) of Cmax.
Time Frame
Predose up to Day 413
Title
PK Parameter: Clast of VRC07-523LS and CAP256V2LS
Description
Clast is defined as last observed quantifiable concentration of the drug.
Time Frame
Predose up to Day 413
Title
PK Parameter: Tlast of VRC07-523LS and CAP256V2LS
Description
Tlast is defined as time (observed time point) of Clast.
Time Frame
Predose up to Day 413
Title
PK Parameter: AUCinf of VRC07-523LS and CAP256V2LS
Description
AUCinf is defined as area under the concentration versus time curve extrapolated to infinite time, calculated as AUClast + (Clast/λz).
Time Frame
Predose up to Day 413
Title
PK Parameter: AUClast of VRC07-523LS and CAP256V2LS
Description
AUClast is defined as area under the concentration versus time curve from time zero to the last quantifiable concentration.
Time Frame
Predose up to Day 413
Title
PK Parameter: AUCexp of VRC07-523LS and CAP256V2LS
Description
AUCexp is defined as AUC extrapolated between AUClast and AUCinf.
Time Frame
Predose up to Day 413
Title
PK Parameter: t1/2 of VRC07-523LS and CAP256V2LS
Description
t1/2 is defined as estimate of the terminal elimination half-life of the drug, calculated by dividing the natural log of 2 by the terminal elimination rate constant (λz).
Time Frame
Predose up to Day 413
Title
PK Parameter: CL of VRC07-523LS and CAP256V2LS
Description
CL is defined as clearance following intravenous administration.
Time Frame
Predose up to Day 413
Title
PK Parameter: Vss of VRC07-523LS and CAP256V2LS
Description
Vss is defined as the apparent volume of distribution at steady-state.
Time Frame
Predose up to Day 413
Title
PK Parameter: Vz of VRC07-523LS and CAP256V2LS
Description
Vz is defined as volume of distribution of the drug after intravenous administration.
Time Frame
Predose up to Day 413
Title
Percentage of Participants With Positive Anti-VRC07-523LS Antibodies
Time Frame
Prebaseline (Day -13) up to Day 413
Title
Percentage of Participants With Positive Anti-CAP256V2LS Antibodies
Time Frame
Prebaseline (Day -13) up to Day 413
10. Eligibility
Sex
Female
Gender Based
Yes
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Key Inclusion Criteria:
Age ≥ 18 years
Females recruited from the Females Rising through Education, Support, and Health (FRESH) acute human immunodeficiency virus (HIV) infection cohort.
Plasma human immunodeficiency -1 (HIV-1) ribonucleic acid (RNA) levels < 50 copies/mL at the screening visit.
On antiretroviral (ART) regimen for ≥ 12 consecutive months prior to the screening visit.
Have all the following laboratory values at the screening visit:
Hemoglobin ≥ 10.0 g/dL
White blood cells ≥ 2500 cells/μL
Platelets ≥ 125,000/mL
Absolute neutrophil counts ≥ 1000 cells/μL
Cluster of differentiation (CD)4+ T cell count ≥ 500 cells/μL
Alanine aminotransferase (ALT), aspartate aminotransferase (AST), and bilirubin ≤ 2 × upper limit of normal (ULN)
Creatinine clearance ≥ 60 mL/min
Women of childbearing potential to have documentation of agreement to follow study contraceptive requirements.
Documented plasma HIV-1 RNA < 50 copies/mL for 12 consecutive months prior to the screening visit.
In the judgment of the investigator, be in good general health.
Documented history of viral sensitivity to VRC07-523LS or CAP256V2LS at the screening visit.
Key Exclusion Criteria:
Have poor venous access that limits phlebotomy.
Positive serum pregnancy test.
Nursing participants.
Females with coinfection and/or immunosuppression as described below:
Autoimmune disease requiring ongoing immunosuppression
Evidence of chronic hepatitis B virus (HBV) infection
Evidence of current hepatitis C virus (HCV) infection
Documented history of pre-ART CD4+ T cell count nadir < 200 cells/μL
History of opportunistic illness indicative of Stage 3 HIV
Acute febrile illness within 4 weeks prior to the first dose
Have current alcohol or substance abuse judged by the investigator to potentially interfere with individual's compliance or individual's safety.
Have been treated with systemic steroids, immunosuppressant therapies, or chemotherapeutic agents within 3 months prior to screening or are expected to receive these agents during the study.
Have previous or current receipt of humanized or human monoclonal antibody (mAbs), or polyclonal immunoglobulin.
Have previous history of an antidrug antibodies response to a therapeutic agent.
Have previous receipt of an HIV vaccine.
Received any vaccine or immunomodulatory medication within 4 weeks prior to screening.
Have a history of any of the following:
Significant serious skin disease
Significant drug sensitivity or drug allergy
Known hypersensitivity to the study drugs, metabolites, or formulation excipients
Previous or current history of bleeding disorder, platelet disorder including unexplained acute or chronic thrombocytopenia
Autoimmune diseases including type 1 diabetes mellitus
Have current Class C acquired immunodeficiency syndrome (AIDS)-defining condition.
Have any serious or active medical or psychiatric illness that would interfere with participants treatment, assessment, or compliance with the protocol.
Note: Other protocol defined Inclusion/Exclusion criteria may apply.
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Gilead Clinical Study Information Center
Phone
1-833-445-3230 (GILEAD-0)
Email
GileadClinicalTrials@gilead.com
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Gilead Study Director
Organizational Affiliation
Gilead Sciences
Official's Role
Study Director
Facility Information:
Facility Name
FRESH Clinical Research Site: Females Rising through Education, Support and Health
City
Umlazi
ZIP/Postal Code
4066
Country
South Africa
Individual Site Status
Recruiting
12. IPD Sharing Statement
Plan to Share IPD
No
Links:
URL
https://www.gileadclinicaltrials.com/study/?id=GS-US-382-5445
Description
Gilead Clinical Trials Website
Learn more about this trial
Study of VRC07-523LS, CAP256V2LS, and Vesatolimod, in Early Antiretroviral-treated HIV-1 Clade C-infected Women
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