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This is a multi-center, single-arm, prospective study to enroll patients diagnosed as pulmonary arterial hypertension. The objective in this study is to observe the efficacy and safety of treprostinil in subjects with pulmonary arterial hypertension.
This is a multi-center, single-arm, prospective study to enroll patients diagnosed as pulmonary arterial hypertension. The expected study period will be 2 years. PAH patients, who met NHI criteria, to receive treprostinil subcutaneously/ intravenously, will be invited to join this study for observation. The dosage and administration schedule of study medication will be judged by investigators. If the eligibility criteria have been met and the subject have signed the informed consent, the subjects will be enrolled into this study. There will be 10 visits: Visit 1 (Screening visit, Week -2 ~ -1), Visit 2 (Week 1, initial of use treprostinil), Visit 3 to 9 (Week 13 to 85), Visit 10 (Week 97). The Day 1 in Week 1 should be the start day of treprostinil treatment. Subjects will be returned to the clinics every 3 months (i.e. 12 weeks) after Visit 2. The NT-proBNP level, WHO functional class, 6-minute walk distance, echocardiography, pulse oximetry, modified Borg Dyspnea Scale, SF-36 questionnaire, and dosage regimens of treprostinil (including dose adjustment) will be collected. For time to clinical worsening and death, it will be followed up during study period. All intercurrent events within 24 months will be recorded. Safety information, including vital signs, and physical exams will be checked. Adverse events of special interest (AESIs) will be reviewed every visit by using a predesignated AESI checklist.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Treprostinil | Drug | sc/iv continuously |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change from baseline in NT-proBNP | Calculate the "N terminal pro B type natriuretic peptide" change from baseline to Week 97 | Week 97 |
| Change from baseline in WHO functional class | Calculate the World Health Organization functional class change from baseline to Week 97. The World Health Organization (WHO) functional class describes how severe a patient's pulmonary hypertension (PH) symptoms are. There are four different classes - I is the mildest and IV is the most severe form of PH. | Week 97 |
| Measure | Description | Time Frame |
|---|---|---|
| Time to clinical worsening and death | Record the time to clinical worsening and death | 96 weeks |
| Change from baseline in NT-proBNP | Calculate the change from baseline in NT-proBNP at Week 13, 25, 37, 49, 61, 73, and 85 |
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Inclusion Criteria:
Exclusion Criteria:
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The patients who were diagnosed with symptomatic idiopathic or heritable PAH classified as WHO functional class III and IV symptoms and met NHI criteria, will be scheduled to receive subcutaneous/intravenous treprostinil treatment
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Cliff Lin | Contact | +886226557568 | 1421 | cliff.lin@excelsiorgroup.com.tw |
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| ID | Term |
|---|---|
| D000081029 | Pulmonary Arterial Hypertension |
| ID | Term |
|---|---|
| D006976 | Hypertension, Pulmonary |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
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| ID | Term |
|---|---|
| C427248 | treprostinil |
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| Week 13, 25, 37, 49, 61, 73, and 85 |
| Change from baseline in 6-minute walk distance (6MWD) | Calculate the cange from baseline in 6-minute walk distance (6MWD) at Week 25, 49, 73, and 97 | Week 25, 49, 73, and 97 |
| Trend of dose usage from initiation treatment to clinical worsening | Record all the daily doses which the patients administered during the whole study period | 96 weeks |
| Adverse events of special interest (AESIs) | AESIs include infusion site pain, infusion site reaction, headache, diarrhea, nausea, rash, jaw pain, hot flashes, vasodilation, and edema | 96 weeks |
| Change from baseline in WHO functional class | Calculate the change from baseline in WHO functional class at Week 13, 25, 37, 49, 61, 73, and 85 The World Health Organization (WHO) functional class describes how severe a patient's pulmonary hypertension (PH) symptoms are. There are four different classes - I is the mildest and IV is the most severe form of PH. | Week 13, 25, 37, 49, 61, 73, and 85 |
| Change from baseline in right atrium (RA) area | RV structure and function will be monitored by echocardiography, including Right atrium (RA) area. | Week 25, 49, 73, and 97 |
| Change from baseline in TAPSE/sPAP ratio. | RV structure and function will be monitored by echocardiography, including Tricuspid annular plane systolic excursion (TAPSE) / systolic pulmonary artery pressure (sPAP) ratio. | Week 25, 49, 73, and 97 |
| Change from baseline in Pericardial effusion. | RV structure and function will be monitored by echocardiography, including Pericardial effusion. | Week 25, 49, 73, and 97 |
| Change from baseline in modified Borg Dyspnea Scale | Calculate the change from baseline in modified Borg Dyspnea Scale at Week 25, 49, 73, and 97. The modified Borg Dyspnea scales are patient self-reported measures of one's difficulty in breathing upon exertion. The Scale is a categorical scale with a score from 0 to 10, where 0 represents normal breathing and 10 represents maximum dyspnea. | Week 25, 49, 73, and 97 |
| Change from baseline in SF-36 questionnaire | Calculate the change from baseline in SF-36 questionnaire at Week 25, 49, 73, and 97. The 36-Item Short Form Survey (SF-36) is an outcome measure instrument that is often used, well-researched, self-reported measure of health. It stems from a study called the Medical Outcomes Study for the objective measure of the quality of life. It comprises 36 questions that cover eight domains of health. Scores for the different domains are converted and pooled using a scoring key, for a total score indicating a range of low to high QOL. | Week 25, 49, 73, and 97 |
| Intercurrent event | Intercurrent events includes consent withdrawn, use of rescue medication, discontinuation from treprostinil treatment, PAH unrelated hospitalization, switch to other PAH drugs (other than treprostinil), add-on PAH drugs, or new-onset co-morbidity. | 96 weeks |