- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01793870
A Study in Healthy Volunteers to Evaluate the Application of Stable Isotope Approach to Reduce Number of Subjects Needed for PK Studies
A Four Way Crossover Study in Healthy Volunteers to Evaluate the Application of Stable Isotope Approach to Reduce Number of Subjects Needed for PK Studies
This will be a randomized, open-label, single dose, 4-period, period balanced, crossover study. There will be at least 5 days between dosing in each session. The study consists of Screening period (30 days prior to Day 1), Treatment period consisting of 4 dosing periods (Day 1 is the dosing day and Day 2) and Follow-up period (7-14 days post-last dose).
The detailed treatment regimen will be A and B (27.5 mg total maximum dose): Single oral dose of carvedilol 25 mg immediate release tablet and up to 2.5 mg of enriched carvedilol powder under fasted conditions; C (33.75 mg total maximum dose): Single oral dose of carvedilol 31.25 mg as 25 mg immediate release tablet, a 6.25 mg immediate release tablet and up to 2.5 mg of enriched carvedilol powder under fasted conditions; D (27.5 mg total maximum dose): Single oral dose of carvedilol 25 mg immediate release tablet and up to 2.5 mg of enriched carvedilol powder under fed conditions. Approximately 15 subjects will be randomized to receive one of four treatment sequences (ADBC, BACD, CBDA, or DCAB).
The pharmacokinetic sampling and safety data will be collected in the Treatment period (Day 1 and 2).
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
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-
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Cambridge, United Kingdom, CB2 2GG
- GSK Investigational Site
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion criteria
- Healthy as determined by a responsible and experienced physician, based on a medical evaluation including medical history, physical examination, laboratory tests and ECG monitoring.
- Male or female between 18 and 55 years of age inclusive, at the time of signing the informed consent.
- A female subject is eligible to participate if she is of non-childbearing potential Female subjects of child bearing potential must agree to use contraception from screening until the follow-up visit.
- Male subjects with female partners of child-bearing potential must agree to use one of the contraception methods.
- Body weight >= 50 kilogram (kg) and BMI within the range 18.5 to 29.9 kilogram per meter square (kg/m^2) (inclusive).
- Alanine aminotransferase (ALT), alkaline phosphatase and bilirubin <=1.5x upper limit of normal (ULN) (isolated bilirubin >1.5xULN is acceptable if bilirubin is fractionated and direct bilirubin <35%).
- Average QT corrected using Bazett's formula (QTcB) or QT corrected using Fridericia's formula (QTcF) <450 milliseconds (msec).
- Suitable for cannulation and with adequate venous access. Exclusion criteria
- A positive pre-study Hepatitis B surface antigen or positive Hepatitis C antibody result within 3 months of screening
- Resting heart rate of <50 beats per minute (bpm) at screening
- Any of the following abnormalities on 12-lead electrocardiogram (ECG) during screening: conduction abnormalities denoted by any of the following- PR interval <120 msec or >200 msec; non-specific IVCD (intra-ventricular conduction delay) with QRS duration >=110 msec and where the morphology does NOT meet criteria for left (LBBB) or right bundle branch block (RBBB); incomplete RBBB as defined by QRS duration >=100 msec but <120 msec with RBBB pattern; complete RBBB and LBBB; evidence of second- or third- degree atrio ventricular (AV) block; pathological Q-waves (Q-wave wider than 0.04 sec or depth not greater than 0.4-0.5 millivolt [mV]); evidence of ventricular pre-excitation; evidence of left axis deviation (left axis deviation is -30 to -90 degrees) but not normal leftward axis, ST-T wave abnormalities.
- Documented history of low blood pressure (average systolic blood pressure [SBP] <= 110 millimeters of mercury [mm Hg] and/or DBP <=60 mm Hg) or semi-supine blood pressure below these values at time of screening.
- Orthostatic hypotension diagnosed at screening (orthostatic hypotension will be defined as a reduction in systolic blood pressure of 20 mm Hg or more and/or a reduction in diastolic blood pressure of 10 mmHg or more within three minutes of standing upright from supine at screening).
- Current or chronic history of liver disease, or known hepatic or biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones).
- A positive pre-study drug/alcohol screen.
- History of regular alcohol consumption within 6 months of the study defined as: an average weekly intake of >21 units for males or >14 units for females. One unit is equivalent to 8 g of alcohol: a half-pint (~240 milliliters [mL]) of beer, 1 glass (125 mL) of wine or 1 (25 mL) measure of spirits.
- The subject has participated in a clinical trial and has received an investigational product within the following time period prior to the first dosing day in the current study: 90 days, 5 half-lives or twice the duration of the biological effect of the investigational product (whichever is longer).
- Exposure to more than four new chemical entities within 12 months prior to the first dosing day.
- Unable to adhere with restrictions detailed in the informed consent or protocol.
- 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 GSK Medical Monitor, contraindicates their participation.
- Where participation in the study would result in donation of blood or blood products in excess of 500 mL within a 56 day period.
- Pregnant females as determined by positive serum or urine human chorionic gonadotropin (hCG) test at screening or prior to dosing.
- Subject is a smoker, based on at least 12 months non-smoking history.
- Lactating females.
- Subjects who have asthma or a history of asthma or of bronchospasm. Subjects with a history of childhood asthma but are now asymptomatic may be included at the investigators discretion.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: OTHER
- Allocation: RANDOMIZED
- Interventional Model: CROSSOVER
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Treatment A (27.5 mg total maximum dose)
Single oral dose of carvedilol (25 milligram [mg]) as a 1 x 25 mg immediate release tablet and up to 2.5 mg of enriched carvedilol drug substance under fasted conditions.
|
Carvedilol 25 mg immediate release tablet
Carvedilol up to 2.5 mg isotopically enriched drug substance powder
|
EXPERIMENTAL: Treatment B (27.5 mg total maximum dose)
Single oral dose of carvedilol (25 mg) as a 1 x 25 mg immediate release tablet and up to 2.5 mg of enriched carvedilol drug substance under fasted conditions.
|
Carvedilol 25 mg immediate release tablet
Carvedilol up to 2.5 mg isotopically enriched drug substance powder
|
EXPERIMENTAL: Treatment C (33.75 mg total maximum dose)
Single oral dose of carvedilol (31.25 mg) as a 1 x 25 mg immediate release tablet, a 1 x 6.25 mg immediate release tablet and up to 2.5 mg of enriched carvedilol drug substance under fasted conditions.
|
Carvedilol 25 mg immediate release tablet
Carvedilol up to 2.5 mg isotopically enriched drug substance powder
Carvedilol 6.25 mg immediate release tablet
|
EXPERIMENTAL: Treatment D (27.5 mg total maximum dose)
Single oral dose of carvedilol (25 mg) as a 1 x 25 mg x immediate release tablet and up to 2.5 mg of enriched carvedilol drug substance under fed conditions.
|
Carvedilol 25 mg immediate release tablet
Carvedilol up to 2.5 mg isotopically enriched drug substance powder
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The AUC for both the enriched and non-enriched R- and S-isomers of carvedilol
Time Frame: Day 1:pre-dose, 15 minutes (mins), 30 mins, 45 mins, 1 hour (h), 2 h, 3 h, 4 h, 6 h, 8 h and 12 h post-dose; Day 2: at 24 h and 36 h post dose
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The pharmacokinetic parameters will include area under the time concentration curve (AUC) for both the enriched and non-enriched R- and S-isomers of carvedilol
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Day 1:pre-dose, 15 minutes (mins), 30 mins, 45 mins, 1 hour (h), 2 h, 3 h, 4 h, 6 h, 8 h and 12 h post-dose; Day 2: at 24 h and 36 h post dose
|
The Cmax for both the enriched and non-enriched R- and S-isomers of carvedilol
Time Frame: Day 1:pre-dose, 15 minutes (mins), 30 mins, 45 mins, 1 hour (h), 2 h, 3 h, 4 h, 6 h, 8 h and 12 h post-dose; Day 2: at 24 h and 36 h post dose
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The pharmacokinetic parameters will include maximum drug concentration (Cmax) for both the enriched and non-enriched R- and S-isomers of carvedilol
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Day 1:pre-dose, 15 minutes (mins), 30 mins, 45 mins, 1 hour (h), 2 h, 3 h, 4 h, 6 h, 8 h and 12 h post-dose; Day 2: at 24 h and 36 h post dose
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The Tmax for both the enriched and non-enriched R- and S-isomers of carvedilol (as data permit)
Time Frame: Day 1:pre-dose, 15 minutes (mins), 30 mins, 45 mins, 1 hour (h), 2 h, 3 h, 4 h, 6 h, 8 h and 12 h post-dose; Day 2: at 24 h and 36 h post dose
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The pharmacokinetic parameter will include the time when maximum drug concentration is reached (Tmax) for both the enriched and non-enriched R- and S-isomers of carvedilol
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Day 1:pre-dose, 15 minutes (mins), 30 mins, 45 mins, 1 hour (h), 2 h, 3 h, 4 h, 6 h, 8 h and 12 h post-dose; Day 2: at 24 h and 36 h post dose
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The T1/2 for both the enriched and non-enriched R- and S-isomers of carvedilol (as data permit)
Time Frame: Day 1:pre-dose, 15 minutes (mins), 30 mins, 45 mins, 1 hour (h), 2 h, 3 h, 4 h, 6 h, 8 h and 12 h post-dose; Day 2: at 24 h and 36 h post dose
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The pharmacokinetic parameter will include the half life of the drug (T1/2) for both the enriched and non-enriched R- and S-isomers of carvedilol
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Day 1:pre-dose, 15 minutes (mins), 30 mins, 45 mins, 1 hour (h), 2 h, 3 h, 4 h, 6 h, 8 h and 12 h post-dose; Day 2: at 24 h and 36 h post dose
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Physiological Effects of Drugs
- Adrenergic beta-Antagonists
- Adrenergic Antagonists
- Adrenergic Agents
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Antihypertensive Agents
- Vasodilator Agents
- Protective Agents
- Membrane Transport Modulators
- Calcium-Regulating Hormones and Agents
- Calcium Channel Blockers
- Antioxidants
- Adrenergic alpha-1 Receptor Antagonists
- Adrenergic alpha-Antagonists
- Carvedilol
Other Study ID Numbers
- 117058
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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