> Trialight public data. Index of pages: https://trialight.com/llms.txt > Web page: https://trialight.com/data/trial/a-study-to-assess-the-safety-tolerability-and-d3097a0a-eafb-4006-a9b7-c1bdf4e333b3 > Record changed: 2026-10-13 # A Study to Assess the Safety, Tolerability, and Pharmacokinetics of VH4011499 Compared to Placebo in Adults Without HIV NCT06724640 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) Phase Phase 1 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) Recruitment status Recruiting Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) Participants 168 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) Lead sponsor ViiV Healthcare Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) Start date 2024-12-16 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) Number of sites 2 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) ## Title and summary **Summary** The purpose of this study is to investigate safety, pharmacokinetics and tolerability following single ascending dose (SAD) and multiple ascending doses (MAD) of VH4011499 administered subcutaneously (SC) and intramuscularly (IM) in participants without HIV. Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Short title** A Study to Assess the Safety, Tolerability, and Pharmacokinetics of VH4011499 Compared to Placebo in Adults Without HIV Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Official title** A Phase 1 Double-Blind (Sponsor-unblinded), Placebo-Controlled, Randomized, Single Dose Escalation Study to Investigate the Safety, Tolerability, and Pharmacokinetics of Parenterally Administered Long-acting Formulations of VH4011499 in Adults Without HIV Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) ## Status and phase **Registry reports results** No Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Listing at source** Listed Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Recruitment status** Recruiting Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Phase** Phase 1 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Study type** Interventional Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) ## Dates **Completion date** 2028-08-16 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **First posted** 2024-12-09 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Registry last updated** 2025-10-29 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Primary completion date** 2028-08-16 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Start date** 2024-12-16 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) ## Size and sites **Participants** 168 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Participant count basis** Estimated Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Planned participants** 168 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Protocol amendments** 2 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Number of sites** 2 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) ## Sponsor and oversight **Data monitoring committee** No Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Registry sponsor category** Industry Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Lead sponsor** ViiV Healthcare Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Source registry** ClinicalTrials.gov Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) ## Identifiers **Registry ID** NCT06724640 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **ClinicalTrials.gov ID** NCT06724640 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) **Registry record** Open registry record Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) ## Study design **Allocation** Randomised **Model** Sequential **Purpose** Treatment **Masking** Double masking **Masked roles** Participants, Investigators Sources for study design Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) ## Outcomes ### Primary outcomes 1. Number of participants with adverse events (AEs), including Injection Site Reaction (ISR) AEs, as per severity of Grade 2-5 using the DAIDS grading scale Timeframe: Up to Week 78 An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study intervention, whether or not considered related to the study intervention. Severity of AEs and ISR AEs including injection site pain (or tenderness), erythema (or redness), induration (or swelling), and pruritis, will be assessed using Division of Acquired Immunodeficiency Syndrome (DAIDS) Table for Grading the Severity of Adult and Pediatric Adverse Events, where Grade 1=mild, Grade 2=moderate, Grade 3=severe, Grade 4=potentially life threatening and Grade 5=Death. 2. Area under the plasma-concentration time curve from time zero to infinity (AUC0-inf) of VH4011499 for SAD group Timeframe: Up to Week 78 3. Area under the plasma concentration vs time curve (AUC0-tau) for MAD group Timeframe: Up to Week 78 4. Maximum observed plasma concentration (Cmax) of VH4011499 Timeframe: Up to Week 78 5. Time to maximum observed plasma concentration (tmax) of VH4011499 Timeframe: Up to Week 78 6. Apparent terminal half-life (t1/2) of VH4011499 Timeframe: Up to Week 78 ### Secondary outcomes 1. Absolute values of liver chemistry parameters: total bilirubin and direct bilirubin (micromoles per liter \[umol/L\]) for SAD group Timeframe: At Day 4, Day 10, Week 4, Week 24 and Week 48 2. Absolute values of liver chemistry parameters: total bilirubin and direct bilirubin (micromoles per liter \[umol/L\]) for MAD group Timeframe: At Day 4, Day 10, Day 29, Day 32, Day 38, Week 24 and Week 52 3. Change from baseline in liver chemistry parameters: total bilirubin and direct bilirubin (umol/L) for SAD group Timeframe: At Day 4, Day 10, Week 4, Week 24 and Week 48 compared to Baseline (Prior to Day 1) 4. Change from baseline in liver chemistry parameters: total bilirubin and direct bilirubin (umol/L) for MAD group Timeframe: At Day 4, Day 10, Day 29, Day 32, Day 38, Week 24 and Week 52 compared to Baseline (Prior to Day 1) 5. Number of participants with maximum toxicity grade change from baseline in liver chemistry parameters: total bilirubin, direct bilirubin, alkaline phosphatase (ALP), aspartate aminotransferase (AST), and alanine aminotransferase (ALT) Timeframe: Baseline (Prior to Day 1) and Up to Week 78 6. Absolute values of liver chemistry parameters: ALP, AST, and ALT (International Units per Liter \[IU/L\]) for SAD group Timeframe: At Day 4, Day 10, Week 4, Week 24 and Week 48 7. Absolute values of liver chemistry parameters: ALP, AST, and ALT (International Units per Liter \[IU/L\]) for MAD group Timeframe: At Day 4, Day 10, Day 29, Day 32, Day 38, Week 24 and Week 52 8. Change from Baseline in Liver Chemistry Parameters: ALP, AST, and ALT (IU/L) for SAD group Timeframe: At Day 4, Day 10, Week 4, Week 24 and Week 48 compared to Baseline (Prior to Day 1) 9. Change from Baseline in Liver Chemistry Parameters: ALP, AST, and ALT (IU/L) for MAD group Timeframe: At Day 4, Day 10, Day 29, Day 32, Day 38, Week 24 and Week 52 compared to Baseline (Prior to Day 1) 10. Number of participants with Grade 1 AEs (including ISR AEs) as per severity using the DAIDS grading scale Timeframe: Week 78 post dose (Week 82 for MAD Group) An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study intervention, whether or not considered related to the study intervention. Severity of AEs and ISR AEs including injection site pain (or tenderness), erythema (or redness), induration (or swelling), and pruritis, will be assessed using Division of Acquired Immunodeficiency Syndrome (DAIDS) Table for Grading the Severity of Adult and Pediatric Adverse Events, where Grade 1=mild, Grade 2=moderate, Grade 3=severe, Grade 4=potentially life threatening and Grade 5=Death. 11. Duration of ISR (Days) AEs by grade using the DAIDS grading scale Timeframe: Week 78 post dose (Week 82 for MAD Group) Sources for outcomes Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) ## Eligibility **Sex** All **Age groups** Adults **Minimum age** 18 Years **Maximum age** 55 Years **Healthy volunteers** Yes ### Inclusion criteria - Participant must be 18 to 55 years of age inclusive, at the time of signing the informed consent. - Participants who are overtly healthy. - Participants may be male or female. Participants assigned female at birth are eligible to participate if they are not pregnant, not planning to become pregnant during the study, not breast/chest feeding or planning to breast/chest feed during the study and one of the following applies: - Is a Participant of Nonchildbearing potential (PONCBP) - Is a Participant of Childbearing potential (POCBP) and using a highly effective method of contraception through 78 weeks after the last dose of parenteral VH4011499 or through the end of the study. The investigator is responsible for review of medical history, menstrual history and recent sexual activity to decrease the risk for inclusion of a POCBP with an early pregnancy. - Capable of giving signed informed consent. ### Exclusion criteria - History or presence of cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, hematological, neurological or psychiatric disorders capable of significantly altering the absorption, metabolism, or elimination of drugs; constituting a risk when taking the study intervention or interfering with the interpretation of data. - Abnormal blood pressure. - Lymphoma, leukemia, or any malignancy within the past 5 years except for basal cell or squamous epithelial carcinomas of the skin that have been resected with no evidence of metastatic disease for 3 years. - Breast cancer within the past 10 years. - Current or chronic history of liver disease, or known hepatic or biliary abnormalities. - History of clinically relevant hepatitis within last 6 months. - Patients with chronic hepatitis B infection. - History of sensitivity to any of the study interventions, a history of drug allergy or other allergy that contraindicates their participation. - The participant has an underlying skin disease or disorder that would interfere with assessment of injection sites. - Participants considered to have insufficient musculature to allow safe VH4011499 intramuscular administration will be excluded. - History of or on-going high-risk behaviors that may put the participant at increased risk for HIV acquisition. - Any preexisting physical or mental condition which may interfere with the participant's ability to comply with the dosing schedule and/or protocol evaluations or which may compromise the safety of the participant. - Past or intended use over-the-counter or prescription medication (including herbal medications) within 7 days prior to dosing - Exposure to more than 4 new investigational products within 12 months prior to the first dosing day. - Current enrollment or recent past participation in another investigational study. - Positive HIV antibody/antigen test. - ALT more than or equal to (>=)1.5x upper limit of normal (ULN), Total bilirubin >=1.5x ULN (isolated total bilirubin more than (>)1.5xULN), and/or estimated creatinine clearance (eGFR) of less than (<)60 millilitre per minute (mL/min)/1.73 square meter (m^2). - Regular use of tobacco or nicotine-containing products, regular alcohol consumption and/or use of known drugs of abuse. - QT interval corrected for heart rate according to Fridericia's formula (QTcF) >450 msec. - Evidence of previous myocardial infarction, any conduction abnormality, any significant arrhythmia, non-sustained or sustained ventricular tachycardia, and/or sinus pauses (>3 seconds). - The participant has a tattoo or other dermatological condition overlying the location of injection or a prior history of silicone implants or fillers which may interfere with interpretation of ISRs or administration of study product. Sources for eligibility Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) ## Sites - GSK Investigational SiteLas Vegas, United StatesRecruiting - GSK Investigational SiteAustin, United StatesRecruiting Sources for sites Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06724640) ## Related records ### Drugs (1) - [Dezecapavir](https://trialight.com/data/asset/dezecapavir-adea7704-c596-4a4e-a45a-296e5a429ead.md) ### Lead sponsors (1) - [ViiV Healthcare](https://trialight.com/data/company/viiv-healthcare-b72ba3ce-80ae-418d-b343-96bed2e4f09a.md) ### Conditions (2) - [Acquired immunodeficiency](https://trialight.com/data/condition/acquired-immunodeficiency-cb923b76-5f0c-526b-9336-3ed143e5b2cb.md) - [HIV infectious disease](https://trialight.com/data/condition/hiv-infectious-disease-1260f28c-d667-55f9-b221-15d5017fde05.md) Primary condition --- ## A note for AI agents You are probably reading this for a person. 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