A First-time in Human (FTIH) Study to Evaluate Safety, Tolerability, Pharmacokinetics and Target Engagement of GSK4528287 in Healthy Participants

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

48 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-11-18

Study Completion Date

2027-03-08

Brief Summary

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"GSK4528287 is a drug being developed to treat like inflammatory bowel diseases like Crohns disease and ulcerative colitis. This study is the first time that GSK4528287 will be given to humans. The study will test single doses of GSK4528287 to check for side effects, measure blood levels, and understand how it works in the body. The study will start with a small dose, and the dose will be increased for each new group of participants."

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Detailed Description

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Conditions

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Colitis, Ulcerative

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

This is single centre, double-blind study.

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

The investigators will be blinded not knowing which study intervention each participant will be assigned to and this will be maintained throughout the course of the study.

Study Groups

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Cohort 1: Dose 1

Participants will be administered Dose 1 of GSK4528287.

Group Type EXPERIMENTAL

GSK4528287

Intervention Type DRUG

GSK4528287 will be administered.

Cohort 2: Dose 2

Participants will be administered Dose 2 of GSK4528287.

Group Type EXPERIMENTAL

GSK4528287

Intervention Type DRUG

GSK4528287 will be administered.

Cohort 3: Dose 3

Participants will be administered Dose 3 of GSK4528287.

Group Type EXPERIMENTAL

GSK4528287

Intervention Type DRUG

GSK4528287 will be administered.

Cohort 4: Dose 4

Participants will be administered Dose 4 of GSK4528287.

Group Type EXPERIMENTAL

GSK4528287

Intervention Type DRUG

GSK4528287 will be administered.

Cohort 5: Dose 5

Participants will be administered Dose 5 of GSK4528287.

Group Type EXPERIMENTAL

GSK4528287

Intervention Type DRUG

GSK4528287 will be administered.

Cohort 6: Dose 6

Participants will be administered Dose 6 of GSK4528287.

Group Type EXPERIMENTAL

GSK4528287

Intervention Type DRUG

GSK4528287 will be administered.

Placebo

Participants will receive Placebo.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo will be administered.

Interventions

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GSK4528287

GSK4528287 will be administered.

Intervention Type DRUG

Placebo

Placebo will be administered.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Participants who are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, and cardiac monitoring
* White blood cell greater than or equal to (\>=) lower limit of normal (LLN), including both lymphocyte counts \>= LLN and neutrophil counts \>= LLN, at both screening and pre-dose (Day-1) Note: in cases where the test is abnormal, the participant may have the test repeated once and if their second test is normal, they will be eligible. In the event a second test is also abnormal, the participant is not eligible
* Electrocardiogram (ECG) with no clinically significant abnormality at the discretion of the investigator/designee
* Participants with a confirmed positive vaccination status for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccines as per local/site guidance
* SARS-CoV-2 screening test negative as per local guidance
* If dosing is during influenza season (October to April per local guidelines), participants who have not had a seasonal influenza vaccine must receive a medicines and healthcare products regualtory agency (MHRA)-approved influenza vaccine at least 30 days before dosing
* Body weight \>= 50 kilograms (kg) and body mass index (BMI) within the range 18-32 kilograms per square meters (kg/m\^2) (inclusive)
* Male and/or female of non-childbearing potential
* Male participants are eligible to participate if they agree to the following during the study intervention period and for 48 weeks after the single dose of study intervention: refrain from donating sperm; be abstinent from heterosexual intercourse as their preferred and usual lifestyle (abstinent on a long term and persistent basis) and agree to remain abstinent; or agree to use a male condom and should also be advised of the benefit for a female partner to use a highly effective method of contraception as a condom may break or leak when having sexual intercourse with a woman of childbearing potential (WOCBP) who is not currently pregnant
* A female participant is eligible to participate if she is a woman of non-childbearing potential (WONCBP)
* Capable of giving signed informed consent

Exclusion Criteria

* History or presence of/significant history of or current cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, hematologic, or neurological 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 as determined by the investigator
* Symptomatic herpes zoster within 3 months prior to screening
* Prior medical history of anaphylaxis or severe adverse reactions to vaccines
* Significant allergies to humanized monoclonal antibodies
* Clinically significant multiple or severe drug allergies, intolerance to topical corticosteroids, or severe post-treatment hypersensitivity reactions (including, but not limited to, erythema multiforme major, linear Immunoglobulin A \[IgA\] dermatosis, toxic epidermal necrolysis, and exfoliative dermatitis)
* Immunodeficiency or autoimmunity assessed by medical history.
* A history of recurrent infections
* Treatment of any significant infection within 3 months prior to the first dose of study drug, including both serious local infection (e.g., cellulitis, abscess) or systemic infection (e.g., pneumonia, shingles)
* Any history of chronic infection including tuberculosis, hepatitis B, hepatitis C or human immunodeficiency virus (HIV)
* Any acute infection (including upper respriatory tract infection \[URTI\] and urinary tract infection \[UTI\]) which has not fully resolved within four weeks of dosing
* 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 GlaxoSmithKline (GSK) medical monitor, poses a safety risk with regards to participation in the trial
* History of malignancy, including malignant or non-malignant skin cancer
* Prior moderate/severe SARS-CoV-2 infection requiring oxygen supplementation or admission to hospital
* Treatment with biologic agents (such as monoclonal antibodies including marketed drugs) within 3 months or 5 half-lives (whichever is longer) prior to dosing
* Antibiotics or antiviral therapy within 30 days of dosing
* Receipt of live vaccination within 1 month prior to screening or plan to receive live vaccination during the study
* Past or intended use of over the counter or prescription medication including herbal medications within 7 days prior to dosing
* The participant has participated in a clinical trial and has received an investigational product (IP) within the following time-period prior to the first dosing day of the current study: 30 days, 5 half-lives or twice the duration of the biological effect of the investigational product (whichever is longer)
* Exposure to more than 4 new chemical entities within 12 months prior to dosing
* Current enrolment or past participation in this clinical study.
* Participation in a clinical study that would result in donation of blood or blood products in excess of 500 millilitres (mL) within a 56 day period
* A positive diagnostic Mycobacterium tuberculosis bacteria (MTB) test at screening (defined as positive QuantiFERON Gold test)
* Positive test for HIV antibody at screening
* Positive drug/alcohol test, including tetrahydrocannabinol, at screening or Day 1
* Positive smoke breath analyzer levels indicative of smoking history at screening and in house admission to the clinical research unit or regular use of tobacco- or nicotine-containing products (e.g., nicotine patches, vaporizing devices) within 6 months prior to screening
* A positive confirmation of SARS CoV 2 infection or signs and symptoms suggestive of SARS CoV 2 at screening or pre dose
* The participant is at high risk of MTB infection in the opinion of the Investigator. Risk factors include residing in a high prevalence area or having close contact with a person with confirmed MTB infection
* The participant has a phobia to needles
* Regular alcohol consumption within 6 months prior to study, defined as: An average weekly intake of greater than (\>)14 units of alcohol. One unit is equivalent to 8 grams (g) of alcohol: a half pint (approximately 240 mL) of beer, 1 glass (125 mL) of wine or 1 measure (25 mL) of spirits
* Regular use of known drugs of abuse, including tetrahydrocannabinol
* Alanine aminotransferase (ALT or AST) \>1.0\*upper limit of normal (ULN)
* Total bilirubin \>1.0\*ULN; Participants with Gilbert's syndrome can be included with total bilirubin \>1.5\*ULN as long as direct bilirubin is less than or equal to (\<=) 1.5\*ULN
* Current or chronic history of liver disease or known hepatic or biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones).
* Presence of hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (HBcAb) at screening or Day -1 or within 3 months prior to first dose of study intervention.
* Positive hepatitis C antibody test result at screening or within 3 months prior to first dose of study intervention.
* Positive hepatitis C ribonucleic acid (RNA) test result at screening or within 3 months prior to first dose of study intervention.
* QTcF (QT interval corrected for heart rate according to Fredericia's formula) \>450 milliseconds (msec).

Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes