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Keep this study
Lead
ViiV Healthcare
Age
18–55
Sex
ALL
Healthy volunteers
Accepted
You may be eligible if
Subject must be 18 to 55 years of age inclusive, at the time of signing the informed consent.
Subjects who are healthy as determined by the investigator or medically qualified designee based on a medical evaluation including medical history, physical examination, laboratory tests, and cardiac monitoring (history and ECG).
Body weight \>=50.0 kilograms (kg) (110 pound \[lbs\]) for men and \>=45.0 kilograms \[kg\] (99 lbs) for women and body mass index (BMI) within the range 18.5 to 31.0 kilograms per meter square (kg/m\^2) (inclusive).
Male or female; A female subject is eligible to participate if she is not pregnant, not breastfeeding and not a woman of childbearing potential (WOCBP).
Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and protocol.
You may not be if
Current or chronic history of liver disease, or known hepatic or biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones).
A pre-existing condition interfering with normal gastrointestinal (GI) anatomy or motility (e.g.,gastroesophageal reflux disease, gastric ulcers, gastritis), hepatic and/or renal function, that could interfere with the absorption, metabolism and/or excretion of the study drugs or render the subject unable to take oral study intervention.
Any history of significant underlying psychiatric disorder including, but not limited to, schizophrenia, bipolar disorder with or without psychotic symptoms, other psychotic disorders, or schizotypal (personality) disorder.
Any history of major depressive disorder with or without suicidal features or anxiety disorders, that required medical intervention (pharmacologic or not) such as hospitalization or other inpatient treatment and/or chronic (\>6 months) outpatient treatment. Subjects with other conditions such as adjustment disorder or dysthymia that have required shorter term medical therapy (\<6 months) without inpatient treatment and are currently well-controlled clinically or resolved may be considered for entry after discussion and agreement with the ViiV Medical Monitor.
Any pre-existing physical or other psychiatric condition (including alcohol or drug abuse), which, in the opinion of the investigator (with or without psychiatric evaluation), could interfere with the subject's ability to comply with the dosing schedule and protocol evaluations or which might compromise the safety of the subject.
Medical history of cardiac arrhythmias or cardiac disease or a family or personal history of long QT syndrome.
History of any kidney disease or current or chronic history of impaired renal function as indicated by an estimated creatinine clearance \<80 milliliters per minute (mL/min). Creatinine clearance (CrCL) is estimated by either of the following methods: (a) The Modification of Diet in Renal Disease (MDRD) equation: estimated glomerular filtration rate (eGFR) (milliliter \[mL\]/minute \[min\]/1.73 meter square \[m\^2\]) = 175 x (SCr)\^-1.154 x (Age)\^-0.203 x 0.742 \[if female\] x 1.212 \[if African American\] glomerular filtration rate (GFR) is expressed in mL/min/1.73 m\^2, SCr is serum creatinine expressed in milligrams per deciliter (mg/dL), and age is expressed in years. (b)The Cockcroft-Gault equation: CrCL(mL/min) ={((l40-age) x weight)/(72xSCr)}x 0.85 (if female) CrCL is expressed in mL/min, age is expressed in years, weight is expressed in kg, and SCr is serum creatinine expressed in mg/dL.
Presence of Hepatitis B surface antigen (HBsAg) at Screening or within 3 months prior to starting study intervention.
Positive Hepatitis C antibody test result at Screening or within 3 months prior to starting study intervention AND positive on reflex to Hepatitis C ribonucleic acid (RNA).
Positive HIV-1 and -2 antigen/antibody immunoassay at Screening.
ALT \>1.5 × upper limit of normal (ULN). A single repeat of ALT is allowed within a single screening period to determine eligibility.
Bilirubin \>1.5 × ULN (isolated bilirubin \>1.5 × ULN is acceptable if bilirubin is fractionated and direct bilirubin \<35%).
Any acute laboratory abnormality at Screening which, in the opinion of the investigator, should preclude participation in the study of an investigational compound.
Any Grade 2 to 4 laboratory abnormality at Screening, with the exception of creatine phosphokinase (CPK) and lipid abnormalities (e.g., total cholesterol, triglycerides, etc), and ALT (described above), will exclude a subject from the study unless the investigator can provide a compelling explanation for the laboratory result(s) and has the assent of the sponsor. A single repeat of any laboratory abnormality is allowed within a single screening period to determine eligibility.
A positive test result for drugs of abuse (including marijuana), alcohol, or cotinine (indicating active current smoking) at Screening or before the first dose of study intervention.
Unable to refrain from the use of prescription or non-prescription drugs, including vitamins, herbal and dietary supplements (including St John's wort) within 7 days (or 14 days if the drug is a potential enzyme inducer) or 5 half-lives (whichever is longer) prior to the first dose of study medication and for the duration of the study.
Treatment with any vaccine within 30 days prior to receiving study intervention.
Unwillingness to abstain from excessive consumption of any food or drink containing grapefruit and grapefruit juice, Seville oranges, blood oranges, or pomelos or their fruit juices within 7 days prior to the first dose of study intervention(s) until the end of the study.
Participation in another concurrent clinical study or prior clinical study (with the exception of imaging trials) prior to the first dosing day in the current study: 30 days, 5 half-lives, or twice the duration of the biological effect of the study intervention (whichever is longer).
Where participation in the study would result in donation of blood or blood products in excess of 500 mL within 56 days.
Any positive (abnormal) response confirmed by the investigator on a screening clinician- or qualified designee-administered Columbia-Suicide Severity Rating Scale (C-SSRS).
Any significant arrhythmia or ECG finding (e.g., prior myocardial infarction, sinoatrial pauses, bundle branch block, or conduction abnormality) which, in the opinion of the investigator or VH/GSK Medical Monitor, will interfere with the safety for the individual subject.
History of regular alcohol consumption within 6 months of the study defined as: an average weekly intake of \>14 units. One unit is equivalent to 8 grams of alcohol: a half-pint (equivalent to 240 mL) of beer, 1 glass (125 mL) of wine, or 1 (25 mL) measure of spirits.
Regular use of tobacco- or nicotine-containing products within 3 months prior to Screening.
History of sensitivity to any of the study medications or components thereof or a history of drug or other allergy that, in the opinion of the investigator or medical monitor, contraindicates their participation.
Clareo Health | Study to Evaluate the Effect of GSK3640254 on the Pharmacokinetics of Tenofovir Alafenamide/Emtricitabine
