Safety, Tolerability, Efficacy and Dose-response of GSK2831781 in Ulcerative Colitis

Stopped early · Phase 2 · Has a placebo group

Conditions studied: Colitis, Ulcerative

In brief

This is a Phase 2, multicenter, randomized, double-blind, parallel group, placebo-controlled study to investigate the safety, tolerability, efficacy and dose-response of GSK2831781 in participants with moderate to severe active ulcerative colitis. The study consists of a 5-week screening window, 10-week Induction Phase, 30-week double-blind Extended Treatment Phase (ETP) with 42-week Follow-Up Phase. Non-Responders identified following the Week 10 assessment will be allocated to open label treatment, consisting of Induction (Weeks 12 to 22), an Open label ETP (Weeks 22 to 42) and a follow-Up to Week 54.

Key facts

Study ID

NCT03893565

Run by

GlaxoSmithKline

People needed

104

Starts

2019-05-06

Expected to finish

2021-05-17

Last updated by the study team

2022-04-27

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Participants must be 18 years of age or older and > 40 kilograms (kg) at the time of signing the informed consent.
• Participants who have a diagnosis of ulcerative colitis, established at least 3 months prior to screening, as documented by diagnostic sigmoidoscopy or colonoscopy, and biopsy.
• Complete 4-domain Mayo Score of 6 to 12, with disease extending >= 15 centimeters (cm) from the anal verge, with a centrally read endoscopic sub score of >=2 at screening endoscopy, and a rectal bleeding sub score >=1.
• A history of at least one of the following: inadequate response to, loss of response to, or intolerance to azathioprine or mercaptopurine (including thiopurine methyltransferase [TPMT] and nudix hydrolase 15 [NUDT15] genetic mutations precluding use), ciclosporin, tacrolimus or methotrexate; inadequate response to, loss of response to, intolerance to, or demonstrated dependence on oral corticosteroids; inadequate response to, loss of response to, or intolerance to at least one approved advanced therapy for UC including anti- tumor necrosis factor (TNF) therapies (example given [e.g.] infliximab, adalimumab, golimumab, or biosimilar), anti-integrin therapies, anti-interleukin (IL)-12/23 monoclonal antibodies or Janus Kinase (JAK) inhibitors.
• Surveillance colonoscopy (performed according to local standards) within 12 months of screening (or during screening, if required) for participants with: Pancolitis of >8 years duration; or participants with left-sided colitis of >12 years duration. For participants for whom this criterion does not apply, colorectal cancer surveillance should be undertaken according to local or national guidelines for participants with age >=50, or with other known risk factors for colorectal cancer.
• Both male and female participants are eligible to participate.
• A female participant is eligible to participate if she is not pregnant, not breastfeeding, and at least one of the following conditions applies: Not a woman of childbearing potential (WOCBP); A WOCBP who agrees to use a highly effective contraceptive method for at least 4 weeks prior to dosing, until the Follow-Up visit.
• Capable of giving signed informed consent.

You may not qualify if…

• Participants with a current diagnosis of indeterminate colitis, inflammatory bowel disease-unclassified, Crohn's disease, infectious colitis, or ischemic colitis.
• Participants with fulminant ulcerative colitis (as defined by 6 bloody stools daily and 1 or more of body temperature >=100.4 degrees Fahrenheit (or 38 degree Celsius) or heart rate >90 beats per minute), or toxic megacolon.
• Prior extensive colonic resection, subtotal or total colectomy, or proctocolectomy, or planned surgery for ulcerative colitis.
• Participants with any uncontrolled medical conditions, other than active ulcerative colitis, that in the opinion of the investigator put the participant at unacceptable risk or interfere with study assessments or integrity of the data. Other medical conditions should be stable at the time of screening and be expected to remain stable for the duration of the study.
• Unstable lifestyle factors, such as alcohol use to excess or recreational drug use, to the extent that in the opinion of the investigator they would interfere with the ability of a participant to complete the study.
• An active infection or a history of serious infections as follows: a) Use of antimicrobials (antibacterials, antivirals, antifungals or antiparasitic agents) for an infection within 30 days before first dose (topical treatments may be allowed at the Medical Monitor's discretion). b) A history of opportunistic infections within 1 year of screening (e.g. Pneumocystis jirovecii, aspergillosis or Cytomegalovirus colitis). This does not include infections that may occur in immunocompetent individuals, such as fungal nail infections or vaginal candidiasis, unless it is of an unusual severity or recurrent nature. c) Recurrent or chronic infection or other active infection that, in the opinion of the Investigator, might cause this study to be detrimental to the participant. d) Symptomatic herpes zoster within 3 months prior to screening. e) History of tuberculosis (active or latent), irrespective of treatment status. f) A positive diagnostic tuberculosis test at screening (defined as a positive QuantiFERON test). In cases where the QuantiFERON test is indeterminate, the participant may have the test repeated once and if their second test is negative they will be eligible. In the event a second test is also indeterminate, the investigator has the option to undertake Purified Protein Derivative (PPD) testing. If the PPD reaction is less than (<) 5 millimeter (mm), then the participant is eligible. If the reaction is >= 5mm, or PPD testing is not undertaken, the participant is not eligible. g) Positive Clostridium difficile toxin test during screening. However, rescreening can be undertaken following successful treatment.
• Current or history of chronic liver or biliary disease (with the exception of Gilbert's syndrome, asymptomatic gallstones or uncomplicated fatty liver disease).
• Hereditary or acquired immunodeficiency disorder, including immunoglobulin deficiency (unless the participant has a documented history of selective immunoglobulin A deficiency).
• A major organ transplant (e.g. heart, lung, kidney, liver, pancreas) or hematopoietic stem cell/marrow transplant.
• Any planned major surgical procedure during the study.
• A history of malignant neoplasm within the last 5 years, except for adequately treated non-metastatic basal or squamous cell cancers of the skin (within 1 year) or carcinoma in situ of the uterine cervix (within 3 years) that has been fully treated and shows no evidence of recurrence.
• A change in dose of oral sulfasalazine or aminosalicylate within 2 weeks prior to Baseline endoscopy.
• Greater than 20 mg per day oral prednisolone (or equivalent), or a change in dose of corticosteroid within 2 weeks prior to Baseline endoscopy, or anticipated inability to maintain a stable dose of corticosteroids (<=20 mg oral prednisolone or equivalent) until Week 12.
• Topical (rectal) corticosteroids or topical (rectal) aminosalicylate within 2 weeks prior to Baseline endoscopy.
• Initiation or a change in dose of mercaptopurine or azathioprine (including initiation or discontinuation of allopurinol) or methotrexate within 8 weeks prior to Baseline endoscopy.
• Treatment with ciclosporin, tacrolimus or thalidomide within 4 weeks prior to Baseline endoscopy.
• Treatment with an anti-TNF biologic within 8 weeks prior to Baseline endoscopy, anti-integrin or anti-IL-12/23 biologics within 12 weeks prior to Baseline endoscopy, or a JAK inhibitor within 4 weeks prior to Baseline endoscopy.
• A history of inadequate response, loss of response, or intolerance to more than three classes of approved advanced therapies for UC (including anti-TNF therapies, anti-integrin therapies, anti-IL-12/23 monoclonal antibodies, or JAK inhibitors; but excluding exposure within a clinical trial setting), of which participants must not have had inadequate response (primary non-response) to more than two classes.
• Received fecal microbiota transplantation within 4 weeks prior to Baseline endoscopy.
• Received live vaccination within 4 weeks of Day 1 or plan to receive during the study until Follow-Up.
• The participant has participated in a clinical trial and has received an investigational product within the following time period prior to the screening endoscopy day in the current study:
• Biologics: 3 months, 5 half-lives, or twice the duration of the biological effect of the investigational product (whichever is longer);
• New Chemical Entities (NCEs): 30 days, 5 half-lives, or twice the duration of the biological effect (whichever is longer).
• Absolute neutrophil count <1.5 times 10\^9 cells per liter (L) or a hemoglobin <80 grams per liter (g/L) or lymphocyte count <0.8 times 10\^9 cells /L.
• Estimated glomerular filtration rate (GFR) by Chronic Kidney Disease Epidemiology Collaboration equation (CKD-EPI) calculation <60 milliliter (mL) per minute per 1.73 m\^2 at screening.

Where it is running

• GSK Investigational Site — Rialto, California, United States
• GSK Investigational Site — New York, New York, United States
• GSK Investigational Site — San Antonio, Texas, United States
• GSK Investigational Site — Sofia, Bulgaria
• GSK Investigational Site — Brno, Czechia
• GSK Investigational Site — Olomouc, Czechia
• GSK Investigational Site — Slaný, Czechia
• GSK Investigational Site — Tallinn, Estonia
• GSK Investigational Site — Tallinn, Estonia
• GSK Investigational Site — Grenoble, France
• GSK Investigational Site — Nice, France
• GSK Investigational Site — Saint-Priest-en-Jarez, France
• GSK Investigational Site — Toulouse, France
• GSK Investigational Site — Vandœuvre-lès-Nancy, France
• GSK Investigational Site — Jaipur, India
• GSK Investigational Site — Ludhiana, India
• GSK Investigational Site — Nagpur, India
• GSK Investigational Site — Rajkot, India
• GSK Investigational Site — Varanasi, India
• GSK Investigational Site — Osaka, Japan
• GSK Investigational Site — Amsterdam, Netherlands
• GSK Investigational Site — Bydgoszcz, Poland
• GSK Investigational Site — Elblag, Poland
• GSK Investigational Site — Kamieniec Ząbkowicki, Poland
• GSK Investigational Site — Northridge, California, United States

Full record on ClinicalTrials.gov

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