Albiglutide Versus Placebo in Insulin-treated Subjects With New-onset Type 1 Diabetes Mellitus
Status and phase
Completed
Phase 2
Conditions
Diabetes Mellitus, Type 1
Treatments
Biological: Albiglutide weekly injection
Biological: Placebo weekly injection
Biological: Insulin
Details and patient eligibility
About
This is a Phase II, randomized, double-blind, parallel group, placebo controlled, multicentre study of 52 weeks treatment duration. The primary objective is to evaluate the efficacy(on endogenous insulin secretion), safety and tolerability of weekly albiglutide (a glucagon-like peptide-1 receptor (GLP-1R) agonist) versus placebo when added to insulin therapy in subjects with new-onset type 1 diabetes mellitus (NOT1DM) and residual insulin production.. Approximately 68 eligible subjects will be randomised in a 3:1 ratio such that 51 subjects receive albiglutide 30 milligram (mg) once weekly (with increase to 50 mg once weekly at Week 6 if the 30-mg weekly dose is tolerated) added-on to insulin therapy and 17 subjects receive placebo once weekly added-on to insulin therapy. The total duration of a subject's participation will be approximately 72 weeks (up to 8 weeks of Screening, 52 weeks of treatment and 12 weeks of Post-treatment Follow-up)
Enrollment
67 patients
Sex
All
Ages
18 to 30 years old
Volunteers
No Healthy Volunteers
Inclusion criteria
- Male or female, aged 18 to 30 years, inclusive, with a diagnosis of T1DM with an interval of 28-56 days between the initial diagnosis and the first dose of study drug. Documentation of the diagnosis of T1DM (and not just insulin deficiency), including the date of diagnosis, must be obtained from the diagnosing physician.
- Currently requires insulin for T1DM treatment, or has required insulin therapy for T1DM (for >=7 days) between the date of diagnosis and the first dose of study drug. Note: subjects currently taking twice daily commercially available pre-mixed insulin will not be eligible.
- Positive for at least one of the following autoantibodies typically associated with T1DM: antibody to glutamic acid decarboxylase (anti-GAD) antibody to protein tyrosine phosphatase-like protein (anti-IA-2) or an insulin autoantibody (IAA). Please note: A subject who is positive for IAA and negative for the other autoantibodies will not be eligible if the subject has been using insulin for a total of >=7days.
- Evidence of residual functioning pancreatic beta-cells as measured by a peak stimulated C-peptide level > 0.20 nanomoles/litres (nmol/L) during the Screening MMTT when plasma glucose level is >3.9 mmol/L (70 mg/dL) and <=11.1 mmol/L (200 mg/dL). Note: the Screening MMTT should not be performed within one week of resolution of a DKA event.
- Body mass index <=32.0 kilogram/square meters (kg/m^2).
- Female subjects of childbearing potential (i.e., not surgically sterile and/or not postmenopausal) must be practicing adequate contraception (i.e., meeting one of the criteria defined below) from at least 14 days prior to the first dose of randomised study medication until the 12-week post-treatment Follow-up visit : Abstinence from penile-vaginal intercourse, when this is the female's preferred and usual lifestyle; Oral Contraceptive, either combined or progestogen alone ; Injectable progestogen; Implants of etonogestrel or levonorgestrel; Estrogenic vaginal ring; Percutaneous contraceptive patches; Intrauterine device or intrauterine system that has a failure rate of less than 1% per year when used consistently and correctly as stated in the product label; Male partner sterilization prior to the female subject's entry into the study, and this male is the sole partner for that subject. The information on the male sterility can come from the site personnel's review of subject's medical records; medical examination of the subject and/or semen analysis; or interview with the subject on his medical history.; Male condom combined with a female diaphragm, either with or without a vaginal spermicide
- Able and willing to provide written informed consent and to comply with all study procedures.
Exclusion criteria
- Severe gastroparesis i.e., requiring therapy within 6 months prior to Screening
- History of acute or chronic pancreatitis, or considered clinically at significant risk of developing pancreatitis, during the course of the study (e.g. due to symptomatic gallstones, excess alcohol use).
- History of significant gastrointestinal surgery that in the opinion of the investigator is likely to significantly affect upper gastrointestinal or pancreatic function (e.g. gastric bypass and banding, antrectomy, Roux-en-Y bypass, gastric vagotomy, small bowel resection, or surgeries thought to significantly affect upper gastrointestinal function)
- Personal history or family history of thyroid medullary carcinoma or multiple endocrine neoplasia type 2 (MEN2)
- History of cancer that has not been in full remission for at least 3 years before Screening. (A history of squamous cell or basal cell carcinoma of the skin, or treated cervical intraepithelial neoplasia I or cervical intraepithelial neoplasia II is allowed)
- Fasting triglyceride level >750 milligram/decilitre (mg/dL) at Screening. Subjects may be re-tested once during screening, and if the value no longer meets the exclusion criterion, the subject can be randomly assigned to treatment
- Estimated Glomerular Filtration Rate (eGFR) <=30 mL/min/1.73 m^2 (calculated using the Modification of Diet in Renal Disease (MDRD) formula
- Haemoglobinopathy that may affect proper interpretation of HbA1c
- Alanine aminotransferase (ALT) >2.5 × upper limit of normal (ULN) and bilirubin >1.5 × ULN (isolated bilirubin >1.5 × ULN is acceptable if bilirubin is fractionated and direct bilirubin <35%)
- Unstable liver disease (as defined by the presence of ascites, encephalopathy, coagulopathy, hypoalbuminemia, oesophageal or gastric varices or persistent jaundice), cirrhosis, known biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones). [Chronic stable hepatitis B and C are acceptable if subject otherwise meets entry criteria and are not on active antiviral treatment (e.g., presence of hepatitis B surface antigen or positive hepatitis C test result within 3 months of screening)]
- Any clinically significant co-morbidity or abnormality (including psychiatric disorder, any other autoimmune endocrinopathy e.g., primary autoimmune hypothyroidism, hyperadrenalism, coeliac disease etc) that in the opinion of the Investigator, may pose additional risk in administering study medication or trial participation
- Female subject is pregnant (confirmed by laboratory testing) or lactating
- Known allergy to any GLP-1 analogue, insulin, or excipients of albiglutide
- Treatment with any oral anti-diabetic medication within the prior 30 days or 5 half lives of that medication, whichever is longer.
- Use of immunosuppressants, intravenous immunoglobulin, oral or systemically injected glucocorticoids within the 3 months before randomisation or high likelihood of a requirement for prolonged treatment (>1 week) in the year following randomisation. However, short courses of oral steroids (single dose or multiple doses for up to 7 days) may be permitted provided these cases are discussed with the medical monitor. Inhaled, intra-articular, and small quantities of non-potent topical corticosteroids are allowed
- Receipt of any investigational drug within the 30 days or 5 half-lives, whichever is longer, before Screening, a history of receipt of an investigational anti-diabetic drug within the 3 months before randomisation, or receipt of albiglutide in previous studies.
Trial design
Primary purpose
Treatment
Allocation
Randomized
Interventional model
Parallel Assignment
Masking
Double Blind
67 participants in 2 patient groups
Albiglutide
Experimental group
Description:
Approximately 51 subjects will be assigned to albiglutide 30 mg weekly (with treatment-masked increase to 50 mg weekly at Week 6) + background insulin. The starting dose of albiglutide will be 30 mg once weekly and will be increased at Week 6 to 50 mg, once weekly, if the 30-mg weekly dose is tolerated.
Treatment:
Biological: Albiglutide weekly injection
Biological: Insulin
Placebo
Experimental group
Description:
Approximately 17 subjects will be assigned to albiglutide matching placebo + background insulin
Treatment:
Biological: Placebo weekly injection
Biological: Insulin
Trial contacts and locations
32
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Data sourced from clinicaltrials.gov
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