There are about 7997 clinical studies being (or have been) conducted in Japan. The country of the clinical trial is determined by the location of where the clinical research is being studied. Most studies are often held in multiple locations & countries.
The purpose of this study is to establish the efficacy of 20 mg/day and 40 mg/day doses of istradefylline for reducing the mean total hours of awake time per day spent in the OFF state in patients with advanced Parkinson's disease (PD) treated with levodopa.
The purpose of this study is to investigate which combination therapy is more effective in reducing the incidence of cardiovascular events in Japanese elderly high-risk hypertensive patients: AT1 subtype angiotensin II receptor antagonist/calcium channel blocker or AT1 subtype angiotensin II receptor antagonist/low dose diuretic.
To assess the safety of sildenafil 20 mg TID orally given to Japanese pulmonary arterial hypertension patients (Part 1 and 2) To assess the efficacy after 12 weeks of treatment of sildenafil 20 mg TID orally given to Japanese pulmonary arterial hypertension patients (Part 1)
Research Populations: Male patients scheduled for laparoscopic colorectal surgery Study Method: Questionnaire and function tests Hypothesis: A laparoscopic nerve-sparing operation is not inferior to reported open surgery in preserving urinary and sexual function.
This study evaluates the long-term (24-week) safety and efficacy of GW815SF Salmeterol/fluticasone propionate(HFA MDI) 50/100mcg(administered as 2 inhalations of 25/50mcg) bid in pediatric patients with bronchial asthma.
The purpose of this study is to clarify the effects of tea catechin extracts on the frequency changes of micronuclei in peripheral lymphocytes compared with other oxidative stress markers in late middle aged healthy volunteers
To evaluate the efficacy and safety of GW815SF HFA MDI 25/50µg 1 inhalation bid in comparison with concomitant treatment with salmeterol xinafoate DPI 25µg 1 inhalation bid plus fluticasone propionate DPI 50µg 1 inhalation bid in paediatric patients with asthma. To evaluate the safety of long-term treatment of GW815SF HFA MDI 25/50µg 1 inhalation bid in paediatric patients with asthma.
To evaluate the safety and tolerability of YM150 in subjects with non-valvular atrial fibrillation (NVAF)and to obtain information on pharmacokinetics and pharmacodynamics (anti-thrombotic potential) in the target population
A study evaluating the safety and pharmacokinetics of multiple oral doses of an investigational oral diabetic agent when given to healthy Japanese male volunteers.
To evaluate the efficacy and safety of R484iv by intravenous intermittent administration to patients with primary osteoporosis in comparison with sodium risedronate hydrate (RIS) by oral administration every day. To evaluate also the dose response of R484iv.