Study to Investigate Safety and Response to 1 or 2 g Rectal Suppositories Containing 5 or 10 mg NRL001.
Randomised, Double-blind, Single Dose, Three-way, Cross-over Study to Investigate the Safety and Response to 1g or 2g Rectal Suppositories Containing 5 mg or 10 mg 1R,2S-methoxamine Hydrochloride [NRL001] or Matching Placebo
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Anticipated)
Enrollment
Phase
Phase
- Phase 1
Contacts and Locations
Study Locations
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Nottingham, United Kingdom, NG7 2UH
- Department of GI Surgery, Nottingham University Hospital
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Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- No previous history of ano-rectal conditions or diseases
- No history of cardiovascular disease
- 18 to 60 years of age
- Males and females (pre-menopausal females of child-bearing potential must be using adequate contraceptive methods and have a negative pregnancy test before the start of the study)
Exclusion Criteria:
- Use of medication in the last 30 days with a vasodilatory activity, or use of any medication currently or within the last 30 days which the Investigator believes may affect the study participation or results
- Use of monoamine oxidase inhibitors presently or within the last 2 weeks before study participation
- Use of any medication in the last 30 days applied to the anus and/or via the rectum
- Application of any unlicensed medication within the previous 3 months or participation in any other research study in the last three months which involved being paid a disturbance allowance; having an invasive procedure (e.g. venepuncture >50ml, endoscopy) or exposure to ionising radiation.
- Regular intake of more than 21 units of alcohol per week
- History or any evidence of cardiovascular disease including ischaemic heart disease and hypertension (defined on examination: systolic blood pressure greater than 160 mmHg or diastolic blood pressure greater than 90 mmHg; based on at least two separate readings), peripheral vascular disease or Raynaud's syndrome
- Presence of diabetes mellitus
- History or symptoms of thyroid diseases, including hypo- or hyperthyroidism
- Pregnant or lactating females
- History of any clinically relevant allergy
- Presence of concomitant gastrointestinal diseases or disorders, such as significant abdominal symptoms and haemorrhoids but also any significant organ (e.g. renal, hepatic or cardiac) dysfunction
- Volunteers whom the Investigator feels would not comply with the requirements of the trial
- Volunteers who have been exposed to more than 5 mSv of ionising radiation in the last 12 months.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: CROSSOVER
- Masking: TRIPLE
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
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EXPERIMENTAL: 1 g suppository
Subjects receive 5 mg NRL001, 10 mg NRL001 and placebo in a 1g rectal suppository
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Subjects receive single doses of 5 mg NRL001, 10 mg NRL001 and placebo in a 1 g rectal suppository, with a 7-day washout period between dosing.
Subjects receive single doses of 5 mg NRL001, 10 mg NRL001 and placebo in a 2 g rectal suppository, with a 7-day washout period between dosing.
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EXPERIMENTAL: 2 g suppository
Subjects receive 5 mg NRL001, 10 mg NRL001 and placebo in a 2 g rectal suppository.
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Subjects receive single doses of 5 mg NRL001, 10 mg NRL001 and placebo in a 1 g rectal suppository, with a 7-day washout period between dosing.
Subjects receive single doses of 5 mg NRL001, 10 mg NRL001 and placebo in a 2 g rectal suppository, with a 7-day washout period between dosing.
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Change in MARP after a single dose
Time Frame: 6 hours
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6 hours
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Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
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Pharmacokinetic plasma assessment to determine systemic uptake
Time Frame: 6 hours
|
6 hours
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Adverse events
Time Frame: 6 hours
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6 hours
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Cardiovascular parameters; heart rate and blood pressure
Time Frame: 6 hours
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6 hours
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Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: John H Scholefield, MD, Nottingham University Hospital
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (ACTUAL)
Primary Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
First Posted
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- NRL001-01/2008 (SUM)
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