Clinical Study to Assess the Pharmacokinetics, Safety and Tolerability of SRT2104 Administered to Normal Healthy Male Volunteers

A Randomized, Double-Blind, Placebo-Controlled, Phase I Clinical Study to Assess the Pharmacokinetics, Safety and Tolerability of SRT2104 Administered as Single and Multiple Doses in the Fed State to Normal Healthy Male Volunteers

The purpose of this study is to assess the pharmacokinetic profile, safety, and tolerability of SRT2104 following administration of single and multiple oral doses (once a day for seven days) at a single dose level (2.0 g/day) to healthy male volunteers in the fed state.

Study Overview

• Status: Completed
• Conditions: Diabetes Mellitus, Type 2
• Intervention / Treatment: Drug: SRT2104; Drug: Placebo

Detailed Description

This is a prospective, single center, clinical study of SRT2104 administered orally; a randomized, inpatient/outpatient study to assess the safety and pharmacokinetics (PK) of SRT2104 in healthy male volunteers. Ten (10) male subjects, aged 18-60, who fulfil the inclusion/exclusion criteria, will be enrolled in this study. Subjects will receive either a dose of 2.0 g SRT2104 (administered as eight 250 mg capsules) or placebo on eight occasions during the study; once as a single dose (study day 1) during Treatment Period 1, and once per day for seven consecutive days (study days 15 to 21) during Treatment Period 2. Every administration of SRT2104 will be in the fed state (i.e. within 30 minutes following the start of consumption of a standard meal).

Subjects will be asked to sign the informed consent form at the screening visit. If eligible and willing to participate, subjects will enter into the study. Subjects will be required to attend the research unit on eight separate occasions during the study, in addition to the screening visit. Treatment Period 1 requires the subject to attend the unit for two consecutive overnight stays (Day -1 and Day 1), after which subjects will be discharged from the unit on Day 2 (following the 24 hr post-dose PK blood sample). Subjects will then be required to return to the unit for PK blood samples to be obtained on Day 3 (48 hr post-dose), Day 4 (72 hr post-dose) and Day 8 (168 hr post-dose). Following a washout period of seven days, subjects will be required to attend the unit for Treatment Period 2, which will involve eight consecutive overnight stays (Days 14 to 21), after which subjects will be discharged from the unit on Day 22 (following the 24 hr post-dose PK blood sample). Subjects will then be required to return to the unit for PK blood samples to be obtained on Day 23 (48 hr post-dose), Day 24 (72 hr post-dose) and Day 28 (168 hr post-dose).

Subjects will be randomised 8:2 (active:placebo) to receive one of the following two treatments for the duration of the study:

A. 2.0 g SRT2104 administered as eight 250 mg hard gelatin capsules B. Eight placebo capsules

Water will be restricted from 1 hour prior to dosing until 1 hour post-dose. Subjects will receive SRT2104 within 30 minutes following the start of consumption of a standardized non-high-fat meal (approximately 650 kcal with approximately 30% of calories derived from fat). A light lunch will be provided 4 hours post-dose, an evening meal approximately 8 hours post dose and a snack approximately 12 hours post dose.

Subjects will be discharged from the study on Day 28 after the 168 h PK sample has been obtained, all required safety assessments have been performed, and the subject has been confirmed clinically stable by the investigator/identified sub-investigator.

• Study Type: Interventional
• Enrollment (Actual): 10
• Phase: Phase 1

Contacts and Locations

Study Locations

• United Kingdom
  • Glamorgan
    • Merthyr Tydfill, Glamorgan, United Kingdom, CF48 4DR
      • GSK Investigational Site

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years to 60 years (Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: Male

Description

Inclusion Criteria:

• Be a healthy male within the age range of 18 to 60 years.
• Voluntarily sign a Research Ethics Committee (REC)-approved informed consent form to participate in the study after all relevant aspects of the study have been explained and discussed with the subject.
• Have biochemistry, coagulation, haematology and urinalysis test results that are within normal, allowable limits (if out-of-range, must be considered clinically significant to be exclusionary) and performed within 21 days of receiving first dose of test material.
• Have a BMI (Body Mass Index) between 18.0 and 32.0 kg/m2.
• Be clear of any history of HIV and hepatitis B and C.
• Have no significant disease or clinically significant abnormal laboratory value as deemed by the investigator on the laboratory evaluations, medical history, or physical exam.
• Have a normal 12-lead ECG or an ECG with abnormality considered to be clinically insignificant.
• Have the ability to communicate with the investigative site staff in a manner sufficient to carry out all protocol procedures as described.
• Agree to use an acceptable double barrier method for birth control from the Screening visit through 3 months after the last dose of test material.
• Agree to refrain from consumption of grapefruits and/or grapefruit juice from 7 days prior to Day -1 of treatment visit 1 through to the end of subject's final study visit on Day 29.

Exclusion Criteria:

• Subject has had a major illness in the past three months or any significant ongoing chronic medical illness that the Investigator would deem unfavourable for enrolment.
• Subject has renal or liver impairment.
• Subject has a history of gastro-intestinal surgery or has a current gastrointestinal disease which may influence drug absorption.
• Subject has a history, within 3 years, of drug abuse (including Benzodiazepines, opioids, amphetamine, cocaine, and THC) or a positive drug result at the Screening Visit.
• Subject smokes more than 5 cigarettes a day.
• Subject has a history of alcoholism, and/or is currently drinking more than three drinks per day [one drink is equal to one unit of alcohol (one glass of wine, half a pint of beer, one measure of a spirit)].
• Subject has participated in a clinical trial within the past three months (defined as three months from the date of last dose of an investigational medicinal product), with the exception of the SRT-2104-004 study (EudraCT number: 2008-007364-41).
• Subject has a history of difficulty in donating blood or accessibility of veins in left or right arm.
• Subject has donated blood (one unit or 350 mL) within three months prior to receiving test material.
• Subject is taking herbal products, over-the-counter medication or prescription drug therapy for which 5 times the half-life is longer than 21 days (i.e., the Screening Period) prior to enrolment into the study.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Basic Science
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Triple

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Active Comparator: SRT2104; Subjects will receive a dose of 2.0 g SRT2104 (administered as eight 250 mg capsules) on eight occasions during the study; once as a single dose (study day 1) during Treatment Period 1, and once per day for seven consecutive days (study days 15 to 21) during Treatment Period 2.	Drug: SRT2104; 2.0 g of SRT2104 will be supplied in hard gelatin capsules each containing 250 mg SRT2104. SRT2104 will be administered within 30 minutes following the start of consumption of a standardized non-high-fat meal (approximately 650 kcal with approximately 30% of calories derived from fat). The eight capsules of SRT2104 will be orally-administered with approximately 200 mL water.
Placebo Comparator: Placebo; Subjects will receive placebo on eight occasions during the study; once as a single dose (study day 1) during Treatment Period 1, and once per day for seven consecutive days (study days 15 to 21) during Treatment Period 2.	Drug: Placebo; Placebo will be supplied in hard gelatine capsules containing an appropriate amount of placebo. Placebo will be administered within 30 minutes following the start of consumption of a standardized non-high-fat meal (approximately 650 kcal with approximately 30% of calories derived from fat). The eight capsules of placebo will be orally-administered with approximately 200 mL water.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Time Frame
To assess the plasma pharmacokinetic profile of SRT2104 following administration of single and multiple oral doses (once a day for seven days) at a single dose level (2.0 g/day) to healthy male volunteers in the fed state.	Plasma samples will be collected pre-dose (0 h) and at the following time points following dosing on Days 1 and 21: 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10, 12, 15, 24, 48, 72 and 168 h post-dose.

Secondary Outcome Measures

Outcome Measure	Time Frame
To assess the safety and tolerability of SRT2104 following administration of single and multiple oral doses (once a day for seven days) at a single dose level (2.0 g/day) to healthy male volunteers in the fed state.	Safety will be monitored by AEs, VS, physical exam, labs and ECGs during the study.

Collaborators and Investigators

• Sponsor: GlaxoSmithKline

Publications and helpful links

General Publications

• Hoffmann E, Wald J, Lavu S, Roberts J, Beaumont C, Haddad J, Elliott P, Westphal C, Jacobson E. Pharmacokinetics and tolerability of SRT2104, a first-in-class small molecule activator of SIRT1, after single and repeated oral administration in man. Br J Clin Pharmacol. 2013 Jan;75(1):186-96. doi: 10.1111/j.1365-2125.2012.04340.x.

Helpful Links

• Researchers can use this site to request access to anonymised patient level data and/or supporting documents from clinical studies to conduct further research.

Study record dates

Study Major Dates

• Study Start (Actual): March 23, 2009
• Primary Completion (Actual): May 12, 2009
• Study Completion (Actual): May 12, 2009

Study Registration Dates

• First Submitted: June 25, 2009
• First Submitted That Met QC Criteria: July 2, 2009
• First Posted (Estimate): July 7, 2009

Study Record Updates

• Last Update Posted (Actual): July 7, 2017
• Last Update Submitted That Met QC Criteria: July 5, 2017
• Last Verified: July 1, 2017

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Glucose Metabolism Disorders; Metabolic Diseases; Endocrine System Diseases; Diabetes Mellitus; Diabetes Mellitus, Type 2
• Other Study ID Numbers: 113140

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: Yes
• IPD Plan Description: Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.

Study Data/Documents

1. Study Protocol
   Information identifier: 113140
   Information comments: For additional information about this study please refer to the GSK Clinical Study Register
2. Clinical Study Report
   Information identifier: 113140
   Information comments: For additional information about this study please refer to the GSK Clinical Study Register
3. Annotated Case Report Form
   Information identifier: 113140
   Information comments: For additional information about this study please refer to the GSK Clinical Study Register
4. Individual Participant Data Set
   Information identifier: 113140
   Information comments: For additional information about this study please refer to the GSK Clinical Study Register
5. Informed Consent Form
   Information identifier: 113140
   Information comments: For additional information about this study please refer to the GSK Clinical Study Register
6. Dataset Specification
   Information identifier: 113140
   Information comments: For additional information about this study please refer to the GSK Clinical Study Register
7. Statistical Analysis Plan
   Information identifier: 113140
   Information comments: For additional information about this study please refer to the GSK Clinical Study Register