Clinical Context
A typical patient receiving J1325 (epoprostenol injection, 0.5 mg) is an adult with advanced pulmonary arterial hypertension (PAH) or chronic thromboembolic pulmonary hypertension requiring parenteral prostacyclin therapy. The patient often presents to a specialized pulmonary hypertension clinic or an infusion center for medication initiation, dose titration, or ongoing maintenance therapy. Initiation commonly occurs after cardiopulmonary evaluation including right heart catheterization, echocardiography, and clinical risk assessment. The clinical workflow includes medication preparation by pharmacy, education on continuous intravenous infusion pump management, vascular access placement or assessment (e.g., tunneled central venous catheter), baseline vitals and laboratory checks, supervised infusion start or adjustment, observation for side effects (hypotension, flushing, jaw pain, headache, infusion-site infection), and documentation of dose administered. Routine encounters include periodic home infusion nursing visits, outpatient infusion center visits for bolus dosing or transitions, and coordination with pulmonology, cardiology, and specialty pharmacy for supplies and billing. Typical sites of service are outpatient infusion centers, hospital outpatient departments, and specialized clinics; initiation may also occur inpatient when close monitoring is needed.