Efficacy and Safety of Seralutinib in Adult Subjects With PAH (PROSERA)

Pulmonology
Bassam Yaghmour
A Phase 3, Randomized, Double-Blind, Placebo Controlled Study to Evaluate the Efficacy and Safety of Oral Inhalation of Seralutinib for the Treatment of Pulmonary Arterial Hypertension (PAH)
Lung - Pulmonary

Study Description

Eligibility

  1. Adult subjects aged 18 to 75 years.
  2. Body mass index (BMI) greater than or equal to 17 kg/m2 and less than or equal to 40 kg/m2.
  3. Diagnosis of PAH classified by one of the following:

3a. Idiopathic PAH (IPAH) or heritable PAH (HPAH).

3b. PAH associated with connective tissue disease (CTD-APAH); PAH associated with anorexigen or PAH associated with methamphetamine use.

3c. Congenital heart disease with simple systemic to pulmonary shunt at least 1 year after surgical repair.

  1. 6MWDs greater than or equal to 150 meters and less than or equal to 450 meters at Screening.
  2. WHO FC II or III.
  3. US Registry to Evaluate Early and Long-term PAH Disease Management (REVEAL) Lite 2 Risk Score greater than or equal to 5 OR NT-proBNP greater than or equal to 300 ng/L.
  4. Cardiac catheterization within the screening period, or a standard of care right heart catheterization (RHC) (with pressure wave forms available for review) up to 24 weeks prior to Screening.

7a. Mean pulmonary arterial pressure (mPAP) > 20 mmHg (at rest), AND

7b. Pulmonary vascular resistance (PVR) greater than or equal to 400 dyne-s/cm5, AND

7c. Pulmonary capillary wedge pressure (PCWP) or left ventricle end-diastolic pressure (LVEDP) less than or equal to 12 mmHg if PVR ≥ 400 to < 500 dyne-s/cm5 OR PCWP or LVEDP less than or equal to 15 mmHg if PVR greater than or equal to 500 dyne-s/cm5.

  1. Treatment with at least one allowed background PAH disease-specific medication prior to Screening, and on stable regimen and doses for at least 12 weeks.
  2. Pulmonary function tests (PFTs) at Screening or completed no more than 12 weeks prior to Screening.
  3. Women of childbearing potential (WOCBP) must have a negative pregnancy test at Screening and on Day 1 before first administration of Investigational Product (IP).
  4. WOCBP who are not abstinent and intend to be sexually active with a non-sterilized male partner must be willing to use a highly effective method of contraception from consent through 30 days following the last administration of IP.
  5. Male subjects: Non-sterilized male subjects who are not abstinent and intend to be sexually active with a female partner of childbearing potential must use a male condom from consent through 90 days after the last dose of IP.
  1. Evidence of chronic thromboembolic disease or acute pulmonary embolism.
  2. Uncontrolled systemic hypertension as evidenced by sitting systolic blood pressure > 160 mm Hg or sitting diastolic blood pressure > 100 mm Hg.
  3. Systolic blood pressure < 90 mm Hg during Screening.
  4. WHO Pulmonary Hypertension Group 2 - 5.

Other Protocol defined inclusion/ exclusion criteria may apply.

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