Opioid Substitution Treatment
Conditions
Brief summary
A study to assess bioavailability of a single dose of MR902 and to assess the effect of food on absorption
Detailed description
Volunteers will receive a single dose of the investigational drug on 2 occasions and a reference drug on 1 occasion. Volunteers will be randomised to one of two groups, each group receiving a different dose strength of MR902 in fed and fasted state. The study involves a screening visit 21 days before first dosing and 3 overnight stays in 3 study periods, and a post-study medical visit. Volunteers will receive naltrexone to reduce anticipated opioid side effects.
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* Healthy and free of significant abnormal findings as determined by medical history, physical examination, vital signs, laboratory tests and ECG. * Body weight ranging from 55 to 100 kg and a BMI ≥ 18.5 and ≤ 30.0. * Willing to eat all the food supplied throughout the study. * The subject's primary care physician has confirmed within the last 12 months of first dosing that there is nothing in their medical history that would preclude their enrolment into a clinical study.
Exclusion criteria
* Female subjects who are pregnant or lactating. * Any history of drug or alcohol abuse, misuse, physical or psychological dependence. * Any history of conditions that might interfere with drug absorption, distribution, metabolism or excretion. * Use of opioid or opioid antagonist-containing medication in the past 30 days. * Any history of frequent nausea or vomiting regardless of etiology. * Any history of seizures or symptomatic head trauma. * History of respiratory depression, hypoxia or elevated carbon dioxide levels in the blood. * History of paralytic ileus, gastrointestinal disease or other clinically significant gastrointestinal problems. * Participation in a clinical drug study during the 90 days preceding the initial dose in this study. * Any significant illness during the 4 weeks preceding entry into this study. * Use of any medication including vitamins, herbal and/or mineral supplements during the 7 days preceding the initial dose or during the course of this study (with the exception of the continued use of HRT and contraceptives). * History of smoking within 60 days of IMP administration and refusal to abstain from smoking during the study.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Measure the observed maximum plasma or serum concentration after administration (Cmax) | Pre-dose to 24 hours post-dose | PK plasma parameters |
| Measure the area under the concentration-time curve from zero up to a definite time t after administration (AUCt) | Pre-dose to 24 hours post-dose | PK Plasma Parameters |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| measurement of Pharmacokinetic parameter of elimination rate after administration (LambdaZ,) | Pre-dose to 24 hours post-dose | PK plasma parameters |
| Measurement of Pharmacokinetic parameter elimination of half life after administration ( t1/2Z) | Pre-dose to 24 hours post-dose | PK plasma parameters |
| Measurement of heart rate | Pre-dose to 24 hours post-dose | Vital signs measurements |
| measurement of Pharmacokinetic parameter Area under the curve to infinity after administration (AUCINF) | Pre-dose to 24 hours post-dose | PK plasma parameters |
| Measurement of respiration rate | pre-dose to 24 hours post-dose | vital signs measurement |
| Measurement of temperature | pre-dose to 24 hours post-dose | vital signs measurement |
| Measurement of Saturation Pulse Oxygen (SP02) | pre-dose to 24 hours post-dose | vital signs measurement |
| Measurement of blood pressure | pre-dose to 24 hours post-dose | vital signs measurement |
| measurement of Pharmacokinetic parameter time to maximum concentration after administration (tmax) | Pre-dose to 24 hours post-dose | PK plasma parameters |