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Diabetes Mellitus, Type 2Phase 1NCT00933530

A Clinical Study to Assess the Safety and Pharmacokinetics of SRT2104 in Normal Healthy Male Volunteers

A Phase 1 study testing SRT2104 in people with Diabetes Mellitus, Type 2 and Healthy Volunteer, run by Sirtris, a GSK Company at 1 site in United Kingdom.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to determine the safety and tolerability of SRT2104 (0.03, 0.1, 0.25, 0.5, 1.0, 2.0, and 3.0 g/day) in healthy male volunteers when administered after a single dose and once daily for 7 consecutive days. Read more about this study

Who is it for?
Ages 18 to 55 years, men onlyHealthy volunteers can take part
Conditions the study is for
Diabetes Mellitus, Type 2, Healthy Volunteer
What is being tested?
SRT2104
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
43 participants
Where
1 siteUnited Kingdom
Study dates
May 2008to Nov 2008
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 55 years
  • Men only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Be male within the age range of 18 to 55 years.
  • Voluntarily sign an Independent Review Board (IRB/IEC)-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 Hematology, Coagulation, Clinical Chemistry 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 30.0 kg/m2.
  • Be clear of any history of HIV 1 and 2 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.
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  • 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.
  • Subject and their partner must 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.
  • Subject agrees to refrain from consumption of grapefruits and/or grapefruit juice from time of study enrollment through end of subject's final study visit.

Who cannot join

  • Subject has had a major illness in the past three months or any significant ongoing chronic medical illness that the Investigator would deem unfavorable for enrollment.
  • 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 Screening.
  • Subject has a history of smoking, within 3 months, or is currently a smoker.
  • Subject has a history of alcoholism (more than two years), 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)].
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  • Subject has participated in a clinical trial within the past three months.
  • 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 or prescription drug therapy for which 5 times the half-life is longer than 21 days (i.e., the Screening period) prior to enrollment into the study.

Trial locations and contacts

1 site in 1 country.

United Kingdom1 site
  • GSK Investigational Site

    Merthyr Tydfill, Glamorgan, CF48 4DR

Other trials in United Kingdom

About this study

Official title: A Phase I Randomized, Placebo-Controlled, Single-Blind, Multiple-Dose, Dose-Escalation Clinical Study to Assess the Safety and Pharmacokinetics of SRT2104 in Normal Healthy Male Volunteers

The purpose of this study is to determine the safety and tolerability of SRT2104 (0.03, 0.1, 0.25, 0.5, 1.0, 2.0, and 3.0 g/day) in healthy male volunteers when administered after a single dose and once daily for 7 consecutive days.

The purpose is also to characterize the pharmacokinetic profile of SRT2104 (0.03, 0.1, 0.25, 0.5, 1.0, 2.0, and 3.0 g/day) after a single dose and multiple administrations in healthy male volunteers.

Read the detailed description

Prospective, single center, clinical study of SRT2104 administered orally. Randomized, placebo-controlled, single-blind, multiple-dose, dose-escalation inpatient/outpatient study to assess the safety and pharmacokinetics (PK) of SRT2104 in healthy male volunteers. Forty-two (42) subjects aged 18-55, who fulfill the inclusion/exclusion criteria, will be enrolled in this study. Seven cohorts of six subjects each will be examined. Subjects within each cohort will be randomized 4:2 to receive SRT2104 at one of seven escalating doses (A, B, C, D, E, F, or G), likely to be 0.03, 0.1, 0.25, 0.5, 1.0, 2.0, or 3.0 g/day or placebo. Two subjects will be dosed on Day 1 of the single dose period with one subject receiving active treatment and one subject receiving placebo. The remainder of subjects within each cohort will be dosed on Day 2 of the single dose period with three subjects receiving active treatment and one subject receiving placebo assuming that no safety issues arise in the two subjects dosed on Day 1. Subjects will remain on a fixed dose of test material for all dosing days in the study.

Each cohort of subjects will be dosed sequentially approximately two weeks apart for the single dose period, and return to the clinic approximately one week after their single dose administration to receive 7 consecutive days of dosing for the multiple dose period. Each cohort of subjects in the multiple dose period will be dosed sequentially, approximately, one week apart, allowing for a comprehensive safety assessment prior to initiation of an escalated dose in a subsequent cohort. In the event of suspected drug related toxicity, as determined by the principal investigator, sponsor, and an independent medical monitor, at a dose of 0.03 g/day, all subjects in the 0.03 g/day cohort will discontinue dosing, and the subsequent cohort will receive 0.01 g/day for seven consecutive days. Safety and PK-related data will be reviewed for the 0.01 g/day dose level, and no subsequent cohorts will be enrolled into the study.

Subjects will sign the informed consent form at the screening visit. If eligible and willing to participate, subjects will enter into the study. Subjects will have fasted for at least 10 hours overnight and be randomized to receive SRT2104 or placebo (test material). Subjects will be required to stay overnight at the study center for two nights during the single dose period of the study and subsequently, for the duration of the seven-day multiple dose period to assess safety and to gather required PK samples. Subjects will be asked to return to the study center for an End of Study safety assessment 1 week after they complete the multiple dose period.

Dose escalation will be dependent on safety parameters (physical examination findings, vital signs, ECG studies, adverse events and laboratory values) and PK data.

Being tested
SRT2104, Placebo
Medical subject headings
Diabetes Mellitus, Type 2

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • SRT2104Drug

    Also called GSK2245840

    SRT2104 (0.03, 0.1, 0.25, 0.5, 1.0, 2.0, or 3.0 g/day) will be supplied as a powder which will be prepared by the Pharmacist/designee into a liquid suspension. The dosing vehicle is 1% (by weight) hypromellose acetate succinate in water, which is used as a suspension aid and a dispersant for the SRT2104. Test material will be administered orally, in a single dose and subsequently, once daily for seven consecutive days. A trained staff member will prepare individual solutions of test material that the subject will drink once daily in the clinic following a 10-hour (minimum) fast.

  • PlaceboDrug

    Placebo (at the matched dosage as SRT2104) will be supplied as a powder which will be prepared by the Pharmacist/designee into a liquid suspension. Placebo will consist of titanium dioxide USP and prepared for oral administration identically to the SRT2104 investigational product. Test material will be administered orally, in a single dose and subsequently, once daily for seven consecutive days. The subjects enrolled will be blinded to treatment assignment. A trained staff member will prepare individual solutions of test material that the subject will drink once daily in the clinic following a 10-hour (minimum) fast.

Study groups in NCT00933530
Study groupRoleWhat they receive
Cohort 1 - Dose Level A (0.03g/day)Experimental0.03g SRT2104 dosing will take place at approximately the same time every morning after fasting for at least 10 hours. Subjects will be required to stay overnight at the study center for all dosing days. Six subjects are assigned to this cohort. On Day1 of the single dosing period, one subject will be dosed with 0.03g SRT2014 while one is dosed with placebo on Day1. If no safety issues arise from this dosing, then on Day2, three subjects will be dosed with 0.03g SRT2104 while one is dosed with placebo. Subjects within the cohort will remain on a fixed dose for all dosing days. This cohort of subjects will be dosed sequentially approximately two weeks apart from the single dose period, and return to the clinic approximately one week after their single dose administration to receive 7 consecutive days of daily dosing for the multiple dose period. A comprehensive safety assessment will be conducted one week prior to the initiation of an escalated dose in the subsequent cohort.
Receives: Drug: SRT2104; Drug: Placebo
Cohort 2 - Dose Level B (0.1g/day)Experimental0.1g SRT2104 dosing will take place at approximately the same time every morning after fasting for at least 10 hours. Subjects will be required to stay overnight at the study center for all dosing days. Six subjects are assigned to this cohort. On Day1 of the single dosing period, one subject will be dosed with 0.1g SRT2014 while one is dosed with placebo on Day1. If no safety issues arise from this dosing, then on Day2, three subjects will be dosed with 0.1g SRT2104 while one is dosed with placebo. Subjects within the cohort will remain on a fixed dose for all dosing days. This cohort of subjects will be dosed sequentially approximately two weeks apart from the single dose period, and return to the clinic approximately one week after their single dose administration to receive 7 consecutive days of daily dosing for the multiple dose period. A comprehensive safety assessment will be conducted one week prior to the initiation of an escalated dose in the subsequent cohort.
Receives: Drug: SRT2104; Drug: Placebo
Cohort 3 - Dose Level C (0.25g/day)Experimental0.25g SRT2104 dosing will take place at approximately the same time every morning after fasting for at least 10 hours. Subjects will be required to stay overnight at the study center for all dosing days. Six subjects are assigned to this cohort. On Day1 of the single dosing period, one subject will be dosed with 0.25g SRT2014 while one is dosed with placebo on Day1. If no safety issues arise from this dosing, then on Day2, three subjects will be dosed with 0.25g SRT2104 while one is dosed with placebo. Subjects within the cohort will remain on a fixed dose for all dosing days. This cohort of subjects will be dosed sequentially approximately two weeks apart from the single dose period, and return to the clinic approximately one week after their single dose administration to receive 7 consecutive days of daily dosing for the multiple dose period. A comprehensive safety assessment will be conducted one week prior to the initiation of an escalated dose in the subsequent cohort.
Receives: Drug: SRT2104; Drug: Placebo
Cohort 4 - Dose Level D (0.5g/day)Experimental0.5g SRT2104 dosing will take place at approximately the same time every morning after fasting for at least 10 hours. Subjects will be required to stay overnight at the study center for all dosing days. Six subjects are assigned to this cohort. On Day1 of the single dosing period, one subject will be dosed with 0.5g SRT2014 while one is dosed with placebo on Day1. If no safety issues arise from this dosing, then on Day2, three subjects will be dosed with 0.5g SRT2104 while one is dosed with placebo. Subjects within the cohort will remain on a fixed dose for all dosing days. This cohort of subjects will be dosed sequentially approximately two weeks apart from the single dose period, and return to the clinic approximately one week after their single dose administration to receive 7 consecutive days of daily dosing for the multiple dose period. A comprehensive safety assessment will be conducted one week prior to the initiation of an escalated dose in the subsequent cohort.
Receives: Drug: SRT2104; Drug: Placebo
Cohort 5 - Dose Level E (1.0g/day)Experimental1.0g SRT2104 dosing will take place at approximately the same time every morning after fasting for at least 10 hours. Subjects will be required to stay overnight at the study center for all dosing days. Six subjects are assigned to this cohort. On Day1 of the single dosing period, one subject will be dosed with 1.0g SRT2014 while one is dosed with placebo on Day1. If no safety issues arise from this dosing, then on Day2, three subjects will be dosed with 1.0g SRT2104 while one is dosed with placebo. Subjects within the cohort will remain on a fixed dose for all dosing days. This cohort of subjects will be dosed sequentially approximately two weeks apart from the single dose period, and return to the clinic approximately one week after their single dose administration to receive 7 consecutive days of daily dosing for the multiple dose period. A comprehensive safety assessment will be conducted one week prior to the initiation of an escalated dose in the subsequent cohort.
Receives: Drug: SRT2104; Drug: Placebo
Cohort 6 - Dose Level F (2.0g/day)Experimental2.0g SRT2104 dosing will take place at approximately the same time every morning after fasting for at least 10 hours. Subjects will be required to stay overnight at the study center for all dosing days. Six subjects are assigned to this cohort. On Day1 of the single dosing period, one subject will be dosed with 2.0g SRT2014 while one is dosed with placebo on Day1. If no safety issues arise from this dosing, then on Day2, three subjects will be dosed with 2.0g SRT2104 while one is dosed with placebo. Subjects within the cohort will remain on a fixed dose for all dosing days. This cohort of subjects will be dosed sequentially approximately two weeks apart from the single dose period, and return to the clinic approximately one week after their single dose administration to receive 7 consecutive days of daily dosing for the multiple dose period. A comprehensive safety assessment will be conducted one week prior to the initiation of an escalated dose in the subsequent cohort.
Receives: Drug: SRT2104; Drug: Placebo
Cohort 7 - Dose Level G (3.0g/day)Experimental3.0g SRT2104 dosing will take place at approximately the same time every morning after fasting for at least 10 hours. Subjects will be required to stay overnight at the study center for all dosing days. Six subjects are assigned to this cohort. On Day1 of the single dosing period, one subject will be dosed with 3.0g SRT2014 while one is dosed with placebo on Day1. If no safety issues arise from this dosing, then on Day2, three subjects will be dosed with 3.0g SRT2104 while one is dosed with placebo. Subjects within the cohort will remain on a fixed dose for all dosing days. This cohort of subjects will be dosed sequentially approximately two weeks apart from the single dose period, and return to the clinic approximately one week after their single dose administration to receive 7 consecutive days of daily dosing for the multiple dose period.
Receives: Drug: SRT2104; Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Safety and tolerability of SRT2104 (0.03, 0.1, 0.25, 0.5, 1.0, 2.0, and 3.0 g/day) when administered as a single dose and when administered once daily for 7 consecutive days.

    Measured: Adverse events will be monitored continuously while subjects are on study; safety visits will occur every 7 days for the duration of subject participation.

  2. Characterize the pharmacokinetic profile of SRT2104 (0.03, 0.1, 0.25, 0.5, 1.0, 2.0, and 3.0 g/day) when administered as a single dose and when administered as once daily for 7 consecutive days.

    Measured: Single dose PK timepoints are: predose and 15min, 30min, 1h, 2h, 4h, 8h, 12h, 24hrs postdose. Multiple dose PK timepoints are: Day1 to Day6 predose, Day7 predose, and 15min, 30min, 1h, 2h, 4h, 8h, 12h, 24hrs postdose.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted7 Jul 2009 (estimated)
  2. Study startMay 2008
  3. Primary completionNov 2008
  4. Study completionNov 2008

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Basic science
Allocation
Randomised
Intervention model
Crossover
Masking
Single blind
Who is masked
Participant
Enrolment
43 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00933530
Sponsor's protocol ID
113259
Status last verified
May 2017
First submitted
2 Jul 2009
Last updated
30 May 2017
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing SRT2104 in people with Diabetes Mellitus, Type 2 and Healthy Volunteer, run by Sirtris, a GSK Company at 1 site in United Kingdom.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 10 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 30 May 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United Kingdom. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Safety and tolerability of SRT2104 (0.03, 0.1, 0.25, 0.5, 1.0, 2.0, and 3.0 g/day) when administered as a single dose and when administered once daily for 7 consecutive days. (time frame: Adverse events will be monitored continuously while subjects are on study; safety visits will occur every 7 days for the duration of subject participation.). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 May 2017.

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