Manufactured by: Janssen

With Insurance
Regardless of insurance source, whether commercial or government such as Medicare, Janssen offers copay assistance to those who meet the eligibility requirements. Visit or call 1-833-742-0791 to learn more and apply.

Without Insurance
For those who do not have health insurance, the Johnson & Johnson Patient Assistance Foundation offers copay assistance. Visit or call 833-919-3510 toll free, or 308-420-4358 for direct dial, from Monday through Friday, 8 am – 8 pm ET.

Contact Janssen CarePath
Contact an Janssen CarePath Case Manager for more information. Call 1-866-228-3546, Mon-Fri, 8 am-8 pm ET.

Zydus: Visit

Additional manufacturers: Bosentan is manufactured by multiple companies. At this time, however, PHA is only aware of the manufacturer assistance programs mentioned above. Additional manufacturers include but are not limited to:  Alvogen; Amneal; Cotherix; Hikma; Natco; Par; Sun; Watson and West-Ward.