To investigate the long-term safety and effectiveness of Adcirca (tadalafil) in Pulmonary Arterial Hypertension (PAH) patients in the clinical practice -focused topics- 1. To evaluate the incidence of adverse events for the patients with long-term use 2. To evaluate the incidence of adverse events of decreased blood pressure, bleeding (including uterine hemorrhage), visual disturbance and sudden hearing loss.
Study Type
OBSERVATIONAL
Enrollment
1,809
prescribed in accordance with usual clinical practice
The incidence of adverse events related to decreased blood pressure, bleeding, visual disturbance and sudden hearing loss.
Time frame: 2 years
6 minute walk distance change from baseline
Time frame: 2 years
World Health Organization (WHO) functional class change from baseline
Time frame: 2 years
Survival time
Time frame: 2 years
Pulmonary arterial pressure change from baseline
Time frame: 2 years
Score change of Euro Quality of Life (EQ-5D) from baseline
Time frame: 2 years
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