The purpose of this study is to investigate 5 doses of RPL554 and placebo, administered by pressurized metered dose inhaler (pMDI), in patients with moderate to severe chronic obstructive pulmonary disease (COPD).
The study will consist of two parts. Part A is a parallel group, placebo-controlled single dose study to ascertain the Pharmacokinetics (PK) profile, safety and bronchodilator effect of a single dose of RPL554 administered via pMDI. Five of the 6 treatment arms will be double-blind and one will be single-blind (due to the different number of capsules administered). Part B is a 7-day placebo-controlled, complete block cross-over, repeat dose study to assess the bronchodilator effect of repeat doses of RPL554 delivered via pMDI.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
40
Single dose RPL554 via metered dose inhaler.
Part A: Single dose placebo via metered dose inhaler. Part B: Repeat doses of placebo via metered dose inhaler in crossover fashion. One dose administered twice daily over 7 days.
Part B: Repeat doses via metered dose inhaler in crossover fashion. One dose administered twice daily over 7 days.
Respiratory Clinical Trials Ltd
London, United Kingdom
Medicines Evaluation Unit Limited
Wythenshawe, United Kingdom
Part A: Pharmacokinetic Parameter AUC0-12
Area under the curve from 0 to 12 hours after single dose drug administration.
Time frame: Day 1
Part A: Pharmacokinetic Parameter Cmax
Pharmacokinetic Parameter Cmax after a Single Dose
Time frame: Day 1
Part A: Pharmacokinetic Parameter AUC0-t
Area under the curve at maximum concentration 0-24 hrs after single dose drug administration
Time frame: Day 1
Part A: RPL554 Plasma Pharmacokinetic Parameter (Half-life)
RPL554 Plasma Pharmacokinetics concentration after single dose
Time frame: Day 1
Part B: Change From Baseline in Peak FEV1 (Over 4 Hours) on Day 7
Change from Baseline FEV1 to Peak FEV1 (over 4 hours) after morning dosing on Day 7
Time frame: Day 7
Part A: Change From Baseline in Peak FEV1 (Over 4 Hours) After 1 Dose
Change from Baseline FEV1 to Peak FEV1 (over 4 hours) After Single Dose
Time frame: Day 1
Part A: Change From Baseline in Average FEV1 (Over 4 Hours) After 1 Dose
Change from Baseline FEV1 to Average FEV1 (over 4 hours) After Single Dose
Time frame: Day 1
Part A: Change From Baseline in Average FEV1 (Over 12 Hours) After 1 Dose
Change from Baseline FEV1 to Average FEV1 (over 12 hours) After Single Dose
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Time frame: Day 1
Part A: Safety and Tolerability / Hematology Safety Assessments
Number of patients with treatment-emergent hematology abnormal laboratory assessments
Time frame: 1 day
Part A: Safety and Tolerability / Blood Chemistry Safety Assessments: Number of Patients With Treatment-emergent Blood Chemistry Abnormal Laboratory Assessments
Number of patients with treatment-emergent blood chemistry abnormal laboratory assessments
Time frame: 1 day
Part A: Safety and Tolerability / Urinalysis Safety Assessments: Number of Patients With Treatment-emergent Urinalysis Abnormal Laboratory Assessments
Number of patients with treatment-emergent urinalysis abnormal laboratory assessments
Time frame: 1 day
Part A: Safety and Tolerability / Supine Vitals Signs - Pulse Rate
Number of patients with treatment-emergent abnormal vital signs (pulse rate in bpm)
Time frame: Start of treatment to day 1
Part A: Safety and Tolerability / Supine Vitals Signs - Blood Pressure
Number of patients with treatment-emergent abnormal vital signs (blood pressure in mm Hg)
Time frame: Start of treatment to day 1
Part A: Safety and Tolerability / ECG - QTcF
Number of patients with treatment-emergent abnormal ECG parameters, QTcF in msec
Time frame: Start of treatment to day 1
Part A: Safety and Tolerability / ECG - Heart Rate
Number of patients with treatment-emergent abnormal ECG parameters, heart rate in bpm
Time frame: Start of treatment to day 1
Part B: Change From Baseline in Average FEV1 (Over 4 Hrs) After 7 Days
Change from baseline in average FEV1 (over 4 hours) on Day 7 after morning dose
Time frame: Day 7
Part B: Change From Baseline in Average FEV1 (Over 12 Hours) After 7 Days
Change from baseline FEV1 in average FEV1 (over 12 hours) on Day 7 after morning dose
Time frame: Day 7
Part B: Change From Baseline in Trough FEV1 After 7 Days
Change from Baseline FEV1 to Morning Trough FEV1 on Day 7 after morning dose
Time frame: Day 7
Part B: Change From Baseline in Peak FEV1 (Over 4 Hours) After 1st Dose
Change from baseline FEV1 in peak FEV1 (over 4 hours) after first dose
Time frame: Day 1
Part B: Change From Baseline in Average FEV1 (Over 4 Hours) After 1st Dose
Change from baseline FEV1 in average FEV1 (over 4 hours) on Day 1
Time frame: Day 1
Part B: Change From Baseline in Average FEV1 (Over 12 Hours) After 1st Dose
Change from baseline FEV1 in average FEV1 (over 12 hours) on Day 1
Time frame: Day 1
Part B: RPL554 Plasma Pharmacokinetic Parameter (Onset of Action)
Determination of onset of action (\>10% increase in FEV1 from pre- to post-first dose, censored at 120 minutes) on Day 1
Time frame: Day 1
Part B: Safety and Tolerability / Hematology Safety Assessments
Number of patients with treatment-emergent hematology abnormal laboratory assessments
Time frame: 1 day
Part B: Safety and Tolerability / Blood Chemistry Safety Assessments
Number of patients with treatment-emergent blood chemistry abnormal laboratory assessments
Time frame: 1 day
Part B: Safety and Tolerability / Urinalysis Safety Assessments
Number of patients with treatment-emergent urinalysis abnormal laboratory assessments
Time frame: 1 day
Part B: Safety and Tolerability / Supine Vital Signs - Pulse Rate
Number of patients with treatment-emergent abnormal vital signs (pulse rate in bpm)
Time frame: Start of treatment to day 1
Part B: Safety and Tolerability / Supine Vital Signs - Blood Pressure
Number of patients with treatment-emergent abnormal vital signs (blood pressure in mm Hg)
Time frame: Start of treatment to day 1
Part B: Safety and Tolerability / ECG - QTcF
Number of patients with treatment-emergent abnormal ECG parameters, QTcF in msec
Time frame: Start of treatment to day 70
Part B: Safety and Tolerability / ECG - Heart Rate
Number of patients with treatment-emergent abnormal ECG parameters, heart rate in bpm
Time frame: Start of treatment to day 70