The study is being conducted to evaluate the safety and tolerability after single and repeated twice daily intra-anal applications of 1mL NRL001 cream in stepwise increasing concentrations.
Single-centre, randomised, placebo-controlled, double-blind, repeated dose study in healthy male and female volunteers, comprising up to six sequential dose groups receiving 1 mL doses of an investigational cream formulation containing 0.50, 0.75, 1.00, 1.50, 2.00 and 2.50% w/w NRL001. Doses were to be investigated in stepwise increasing fashion. Progression to a higher dose-step required completion of the previous dose-step without safety limiting findings. Each dose-step was to be investigated in 12 subjects; in each dose-group, subjects assigned to active treatment were to be studied in parallel with subjects assigned to placebo in double-blind fashion with random (9:3) treatment assignment. Each subject was to be studied for one study period with double-blind investigational treatment (1 mL of an investigational cream formulation containing NRL001 or matched placebo) twice daily from the morning of D01 to the afternoon of D14; this phase was to be preceded by a single-blind placebo control day (D-1) with administration of placebo in the morning and afternoon.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
DOUBLE
Enrollment
72
Recumbent and standing blood pressure and pulse rate
BP and pulse taken lying and standing at screening, on control day and profiling days
Time frame: 17 days
Ambulatory 24 hour BP monitoring
Ambulatory 24 hour BP monitoring on control day and profiling days
Time frame: 17 days
12-lead digital resting ECG
12-lead digital resting ECG at screening, on control day and profiling days
Time frame: 17 days
3-lead ambulatory 24 hour ECG monitoring
24 hour HOLTER monitoring at screening, on control day and profiling days
Time frame: 17 days
Plasma concentrations of NRL001
Single and repeat dose pharmacokinetics of NRL001 in plasma
Time frame: 17 days
Well being
Any untoward change in health and/or wellbeing
Time frame: 17 days
Adverse events
Any unwanted sign or symptom
Time frame: 17 days
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