Skip to content

Study to Evaluate Pharmacokinetic (PK), Safety and Tolerability of Cabotegravir (CAB) 400 Milligrams Per Milliliter (mg/mL) Formulation in Healthy Adult Participants

A Phase 1, Two-part, Double-blind, Active-control, Randomized Study to Evaluate the Pharmacokinetics, Safety and Tolerability of Repeat-Dose Cabotegravir (CAB 400 mg/mL Formulation) Long-Acting Injection Following Subcutaneous or Intramuscular Administration in Healthy Adult Participants

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04484337
Enrollment
138
Registered
2020-07-23
Start date
2020-07-31
Completion date
2023-05-05
Last updated
2026-05-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

HIV Infections

Keywords

Cabotegravir, Long-Acting Injection, Pharmacokinetics, Safety, Tolerability

Brief summary

This is an active control, randomized study to investigate the safety, tolerability and PK of repeat dose administration of long-acting CAB 400 mg/mL formulation intramuscular (IM) (gluteus medius and vastus lateralis) and subcutaneous (SC) (abdominal) injections in healthy adult participants.

Interventions

DRUGCabotegravir sodium (Oral Lead In)

CAB 30 mg tablets administered orally.

DRUGCabotegravir 400 mg/mL

CAB 400 mg/mL administered intramascularly or subcutaneously.

CAB 200 mg/mL administered intramascularly or subcutaneously.

DRUGTopical Non-steroidal anti-inflammatory drug (NSAID)

NSAID applied topically.

Steroid medication applied topically.

DRUGTopical NSAID placebo

Placebo for NSAID applied topically.

rHuPH20 administered subcutaneously.

DRUGTopical steroid placebo

Placebo for steroid applied topically.

Sponsors

ViiV Healthcare
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Masking description

This will be a double-blind (sponsor-unblind) study.

Eligibility

Sex/Gender
ALL
Age
18 Years to 50 Years
Healthy volunteers
Yes

Inclusion criteria

* Participant must be 18 to 50 years of age inclusive, at the time of signing the informed consent. * Participants who are overtly healthy as determined by medical evaluation. * A participant with a clinical abnormality or laboratory parameters which is/are not specifically listed in the inclusion or

Exclusion criteria

, outside the reference range for the population being studied may be included if the investigator determines and documents that the finding is unlikely to introduce additional risk factors and will not interfere with the study procedures. * Participants who are negative on two consecutive tests for Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), performed at Screening and within 5 days of admission to the Phase I unit, using an approved molecular test (Polymerase chain reaction \[PCR\]). * Body weight more than or equal to (\>=)40 kilogram (kg) and body mass index (BMI) within the range 18 to 32 kilogram per square meter (kg/m\^2). * Male participants are eligible to participate if they agree to use contraceptive methods and refrain from donating sperm. * A female participant is eligible to participate if she is not pregnant or breastfeeding, and at least one of the following conditions applies: Is not a woman of childbearing potential (WOCBP) or is a WOCBP and using a contraceptive method that is highly effective, with a failure rate of less than (\<)1 percent(%). * Capable of giving signed informed consent.

Design outcomes

Primary

MeasureTime frameDescription
Part 1 Injection 1: Time of Maximum Observed Plasma Concentration (Tmax) for CAB 400 mg/ml Formulation for Cohorts 1,2,3,4, 4b & 4hInjection 1 - Day 1 to Week 4Blood samples were collected for Pharmacokinetic (PK) analysis of CAB. PK parameter was determined using standard non-compartmental methods. The objective of this endpoint was to analyze data for participants that received CAB 400 mg/ml formulation, therefore results are presented for those groups only.
Part 1 Injection 2: Tmax for CAB 400 mg/ml Formulation for Cohorts 1,2,3,4 & 4bInjection 2 - Day 1 to Week 52 follow-upBlood samples were collected for PK analysis of CAB. PK parameter was determined using standard non-compartmental methods. The objective of this endpoint was to analyze data for participants that received CAB 400 mg/ml formulation, therefore results are presented for those groups only.
Part 2 Injection 1: Tmax for CAB 400 mg/ml Formulation for Cohort 5Injection 1 - Day 1 to Week 12Blood samples were collected for PK analysis of CAB after intramuscular (IM) administration. PK parameter was determined using standard non-compartmental methods. The objective of this endpoint was to analyze data for participants that received CAB 400 mg/ml formulation, therefore results are presented for those groups only.
Part 2 Injection 2: Tmax for CAB 400 mg/ml Formulation for Cohort 5Injection 2 - Day 1 to Week 52 follow-upBlood samples were collected for PK analysis of CAB after intramuscular (IM) administration. PK parameter was determined using standard non-compartmental methods. The objective of this endpoint was to analyze data for participants that received CAB 400 mg/ml formulation, therefore results are presented for those groups only.
Part 1 Injection 2: Apparent Terminal Phase Half-life (T1/2) for CAB 400 mg/ml Formulation for Cohorts 1,2,3,4 & 4bInjection 2 - Week 4 to Week 52 follow-upBlood samples were collected at indicated time points. The PK parameters were calculated by non-compartmental analysis. The objective of this endpoint was to analyze data for participants that received CAB 400 mg/ml formulation, therefore results are presented for those groups only.
Part 2 Injection 2: T1/2 for CAB 400 mg/ml Formulation for Cohort 5Injection 2 - Week 12 to Week 52 follow-upBlood samples were collected for PK analysis of CAB after intramuscular (IM) administration. PK parameter was determined using standard non-compartmental methods. The objective of this endpoint was to analyze data for participants that received CAB 400 mg/ml formulation, therefore results are presented for those groups only.
Part 1 Injection 2: Terminal Absorption Elimination Rate Constant (KALA) for CAB 400 mg/ml Formulation for Cohorts 1,2,3,4 & 4bInjection 2 - Week 4 to Week 52 follow-upKALA defined as the rate at which a drug is absorbed into the bloodstream after administration. Blood samples were collected at indicated time points. PK parameters were determined using standard non-compartmental methods. The objective of this endpoint was to analyze data for participants that received CAB 400 mg/ml formulation, therefore results are presented for those groups only.
Part 2 Injection 2: KALA for CAB 400 mg/ml Formulation for Cohort 5Injection 2 - Week 12 to Week 52 follow-upKALA defined as the rate at which a drug is absorbed into the bloodstream after administration. Blood samples were collected at indicated time points. PK parameters were determined using standard non-compartmental methods. The objective of this endpoint was to analyze data for participants that received CAB 400 mg/ml formulation, therefore results are presented for those groups only.
Part 1 Injection 1: Plasma Trough Concentrations (Ctau) of CAB 400 mg/ml Formulation for Cohorts 1,2,3,4, 4b & 4hInjection 1 - Day 1 to Week 4Blood samples were collected for PK analysis of CAB. Ctau is the trough concentration at the end of the dosing interval. PK parameter was determined using standard non-compartmental methods. The objective of this endpoint was to analyze and compare the data for participants that received CAB 400 mg/ml formulation in this study, and historical data for CAB 200 mg/mL in ATLAS /FLAIR studies.
Part 1 Injection 2: Ctau of CAB 400 mg/ml Formulation for Cohorts 1,2,3,4, 4bInjection 2 - Day 1 to Week 4Blood samples were collected for PK analysis of CAB. Ctau is the trough concentration at the end of the dosing interval. PK parameter was determined using standard non-compartmental methods. The objective of this endpoint was to analyze and compare the data for participants that received CAB 400 mg/ml formulation in this study, and historical data for CAB 200 mg/mL in ATLAS /FLAIR studies.
Part 2 Injection 1: Ctau of CAB 400 mg/ml Formulation for Cohort 5Injection 1 - Day 1 to Week 12Blood samples were collected for PK analysis of CAB. PK parameter was determined using standard non-compartmental methods. Ctau is the trough concentration at the end of the dosing interval. Ctau was expressed as geometric mean. For ATLAS /FLAIR: Historical data of CAB200 group, the geometric mean following dose normalization to 800mg was presented. The objective of this endpoint was to analyze and compare the data for participants that received CAB 400 mg/ml formulation in this study, and historical data for CAB 200 mg/mL in ATLAS /FLAIR and ECLAIRE studies.
Part 1 Injection 1: Area Under the Concentration Time Curve From Time Zero to Last Quantifiable Time Point (AUC(0-t)) of CAB 400 mg/ml Formulation for Cohorts 1, 2, 3, 4, 4b and 4hInjection 1 - Day 1 to Week 4Blood samples were collected for PK analysis of CAB. The PK parameters were calculated by non-compartmental analysis. The objective of this endpoint was to analyze data for participants that received CAB 400 mg/ml formulation, therefore results are presented for those groups only.
Part 1 Injection 2: AUC(0-t) of CAB 400 mg/ml Formulation for Cohorts 1, 2, 3, 4 and 4bInjection 2 - Day 1 to Week 4Blood samples were collected for PK analysis of CAB. The PK parameters were calculated by non-compartmental analysis. The objective of this endpoint was to analyze data for participants that received CAB 400 mg/ml formulation, therefore results are presented for those groups only.
Part 1 Injection 1: Maximum Observed Plasma Concentration (Cmax) of CAB 400 mg/ml Formulation for Cohorts 1, 2, 3, 4, 4b and 4hInjection 1 - Day 1 to Week 4The objective of this endpoint was to analyze data for participants that received CAB 400 mg/ml formulation, therefore results are presented for those groups only.
Part 1 Injection 2: Cmax of CAB 400 mg/ml Formulation for Cohorts 1, 2, 3, 4, 4bInjection 2 - Day 1 to Week 4The objective of this endpoint was to analyze data for participants that received CAB 400 mg/ml formulation, therefore results are presented for those groups only.

Secondary

MeasureTime frameDescription
Part 1 and Part 2: Number of Participants With Adverse Events (AEs) in Injection Phase and Follow up PhaseFrom Injection 1 day 1 up to 52 weeks follow-upAn AE is any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product. The objective of this analysis is to present the data for participants that received at least an intramuscular or subcutaneous study injection of CAB 400 mg/mL or CAB 200 mg/mL with rHuPH20 formulation.
Part 1 and Part 2: Number of Participants With Liver Biochemistry Abnormalities in Injection Phase and Follow up PhaseFrom Injection 1 day 1 up to 52 weeks follow-upBlood samples were collected at indicated timepoints to analyze the liver biochemistry parameters: alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), Bilirubin and Direct Bilirubin. The objective of this analysis is to present the data for participants that received at least an intramuscular or subcutaneous study injection of CAB 400 mg/mL or CAB 200 mg/mL with rHuPH20 formulation.
Cmax for CAB Following Oral 30 mg AdministrationUp to Day 29Blood samples were collected for PK analysis of CAB. PK parameter was determined using standard non-compartmental methods.
Tmax for CAB Following Oral 30 mg AdministrationUp to Day 29Blood samples were collected for PK analysis of CAB. PK parameter was determined using standard non-compartmental methods.
AUC(0-t) for CAB Following Oral 30 mg AdministrationUp to Day 29Blood samples were collected for PK analysis of CAB after subcutaneous administration. The PK parameters were calculated by non-compartmental analysis.
Concentration at 24 Hours (C24) for CAB Following Oral 30 mg AdministrationAt 24 hours
Ctau for CAB Following Oral 30 mg AdministrationUp to 24 hours on day 29 (Oral lead in phase)
Cmax of CAB 200 for Cohort 4hInjection 1 - Day 1 to Week 52 follow-upBlood samples were collected for PK analysis of CAB after subcutaneous administration. PK parameter was determined using standard non-compartmental methods.
Tmax of CAB 200 for Cohort 4hInjection 1 - Day 1 to Week 52 follow-upBlood samples were collected for PK analysis of CAB after subcutaneous administration. PK parameter was determined using standard non-compartmental methods.
AUC(0-t) of CAB 200 for Cohort 4hInjection 1 - Day 1 to Week 52 follow-upBlood samples were collected for PK analysis of CAB after subcutaneous administration. PK parameters were determined using standard non-compartmental methods.
Ctau of CAB 200 for Cohort 4h and in ATLAS/FLAIR StudyInjection 1 - Day 1 to Week 52 follow-upBlood samples were collected for PK analysis of CAB after subcutaneous administration. Ctau is the trough concentration at the end of the dosing interval. PK parameter was determined using standard non-compartmental methods. Ctau was expressed as geometric mean. For ATLAS /FLAIR: Historical data of CAB200 group, the geometric mean following dose normalization to 400mg was presented.
T1/2 of CAB 200 & CAB 400 for Cohort 4hInjection 1 - Day 1 to Week 52 follow-upBlood samples were collected for PK analysis of CAB after subcutaneous administration. The PK parameters were calculated by non-compartmental analysis.
KALA of CAB 200 & CAB 400 for Cohort 4hInjection 1 - Day 1 to Week 52 follow-upKALA defined as the rate at which a drug is absorbed into the bloodstream after administration. Blood samples were collected for PK analysis of CAB after subcutaneous administration. PK parameters were determined using standard non-compartmental methods.

Countries

New Zealand, United States

Contacts

STUDY_DIRECTORGSK Clinical Trials

ViiV Healthcare

Participant flow

Pre-assignment details

This study consisted of an Oral Lead In (OLI) Phase (day 1 to 28), an Injection Phase, which consisted of part 1 (cohorts 1-4h) and part 2 (cohort 5), and a Follow-up Phase up to 52 weeks.

Baseline characteristics

Characteristic
Age, Customized
Adult (18-64 years)
138 Participants
Race/Ethnicity, Customized
De-identified
11 Participants
Race/Ethnicity, Customized
Other, unspecified
0 Participants
Sex: Female, Male
Female
12 Participants
Sex: Female, Male
Male
6 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
EG005
affected / at risk
EG006
affected / at risk
EG007
affected / at risk
EG008
affected / at risk
EG009
affected / at risk
EG010
affected / at risk
EG011
affected / at risk
EG012
affected / at risk
EG013
affected / at risk
EG014
affected / at risk
deaths
Total, all-cause mortality
0 / 130 / 180 / 20 / 110 / 10 / 160 / 20 / 180 / 20 / 130 / 140 / 90 / 80 / 100 / 1
other
Total, other adverse events
4 / 1318 / 182 / 210 / 111 / 115 / 162 / 218 / 181 / 213 / 1313 / 149 / 98 / 810 / 101 / 1
serious
Total, serious adverse events
0 / 130 / 180 / 20 / 110 / 12 / 160 / 20 / 180 / 20 / 131 / 140 / 90 / 80 / 100 / 1

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 30, 2026