This study will investigate the safety, tolerability, pharmacokinetics and pharmacodynamics of multiple ascending inhaled doses of AZD8683 in Healthy volunteers and repeated inhalation of one dose level of AZD8683 in patients with chronic obstructive pulmonary disease given once daily.
A Phase I, Single Centre, Double-Blind, Randomised, Placebo- controlled, Parallel-group Study to Assess the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Multiple Ascending Inhaled Doses of AZD8683 in Healthy Volunteers and COPD patients
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
DOUBLE
Enrollment
30
Unnamed facility
London, United Kingdom
Safety profile in terms of: adverse events, Supine vital signs (blood pressure and pulse rate), body temperature, ECG, Physical examinations, Laboratory variables (clinical chemistry, haematology and urinalysis), Spirometry
No formal statistical tests will be performed
Time frame: Up to 13 days post dose.
AZD8683 single dose pharmacokinetics from blood and urine in healthy volunteers.
PK parameters:Cmax; tmax -Time to max plasma concentration; t½ λz,AUC-Area under the plasma concentration time curve from zero to infinity;AUC(0-t)-Area under plasma concentration time curve from zero to time of the last measurable concentration; AUC(0-24);AUC(0-72)-Area under the plasma concentration-time curve from zero to 72 hours; CL/F; Vz/F-Apparent volume of distribution during terminal phase; MRT-Mean residence time; Ae; Ae(0-t)-Cumulative amount of AZD8683 excreted unchanged in urine from zero (predose) to time t; fe-Fraction of dose excreted unchanged in urine; CLR-Renal clearance.
Time frame: Blood: From days 1 and 15 - Pre-dose, 5, 15 and 30mons, 1, 1.5, 2, 4, 6, 8, 12, 24, 36, 48, 72 hrs (also 96 and 120hrs and follow-up). Urine: From days 1 and 15: pre-dose and 6, 12, 24, 48 and 72hrs.
AZD8683 multiple dose pharmacokinetics from blood and urine in healthy volunteers.
PK paramaters:Cmax and Cmin (max and min plasma concentration);tmax;t½ λz-Terminal half-life; AUC(0-τ)-Area under the plasma concentration-time curve during the dosing interval; Cav-Average plasma concentration;CL/F-Apparent plasma clearance; Rac AUC(0-τ)-Accumulation ratio of AUC(0-τ)compared to AUC(0-24)Day1;Rac Cmax-Accumulation ratio of Cmax compared to Cmax Day 1;Ae(t1-t2), Ae(0-τ)-Amount of drug excreted unchanged in urine in a collection interval; and to the end of the dosing interval respectively;fe(0-τ)-fraction of drug excreted unchanged in urine during a dosing interva;CLR.
Time frame: Blood: From days 1 and 15 - Pre-dose, 5, 15 and 30mins, 1, 1.5, 2, 4, 6, 8, 12, 24, 36, 48, 72 hrs (also 96 and 120hrs and follow-up). Urine: From days 1 and 15: pre-dose and 6, 12, 24, 48 and 72hrs.
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Description of the pharmacodynamic (PD) effects of AZD8683 in healthy volunteers in terms of : FEV1 and FVC.
Average effect over the first 4 hrs (Eav, AUEC(0-4)/4 hours).Peak effect during the first 4 hrs (Emax).FEV = Forced Expiratory Volume in 1 second. FVC = Forced Vital Capacity.
Time frame: Predose, 5mins, 30mins, 1hr, 2hrs, and 4hrs on days 1 and 15.
Description of the pharmacodynamic (PD) effects of AZD8683 in COPD patients in terms of : FEV1 and FVC.
Average effect over the first 4 hrs (Eav, AUEC(0-4)/4 hours).Peak effect during the first 4 hrs (Emax).FEV = Forced Expiratory Volume in 1 second. FVC = Forced Vital Capacity.
Time frame: Predose, 5mins, 30mins, 1hr, 2hrs and 4hrs on days 1 and 12.
Description of the pharmacodynamic (PD) effects of AZD8683 in healthy volunteers in terms of : supine blood pressures and pulse rate.
Average effect over the first 4 hrs (Eav, AUEC(0-4)/4 hours).Peak effect during the first 4 hrs (Emax). For diastolic blood pressure the minimum value(Emin), will be used.
Time frame: Pre-dose, 30mins, 60mins, 90 mins, 2hrs and 4hrs, on days 1 and 15.
Description of the pharmacodynamic (PD) effects of AZD8683 in COPD patients in terms of : supine blood pressures and pulse rate.
Average effect over the first 4 hrs (Eav, AUEC(0-4)/4 hours).Peak effect during the first 4 hrs (Emax). For diastolic blood pressure the minimum value(Emin), will be used.
Time frame: Pre-dose, 30mins, 60mins, 90 mins, 2hrs and 4hrs on days 1 and 12.
Description of the pharmacodynamic (PD) effects of AZD8683 in healthy volunteers in terms of : QT interval corrected for heart rate using Fridericia's formula and heart rate.
Average effect over the first 4 hrs (Eav, AUEC(0-4)/4 hours).Peak effect during the first 4 hrs (Emax).
Time frame: 30mins pre-dose and 25 mins, 5mins, 1hr 25 mins, 1hr 55 mins and 3 hr 55 mins, on days 1 and 15.
Description of the pharmacodynamic (PD) effects of AZD8683 in COPD patients in terms of : QT interval corrected for heart rate using Fridericia's formula and heart rate.
Average effect over the first 4 hrs (Eav, AUEC(0-4)/4 hours).Peak effect during the first 4 hrs (Emax).
Time frame: 30mins pre-dose and 25 mins, 5mins, 1hr 25 mins, 1hr 55 mins and 3 hr 55 mins on days 1 and 12.