An Open Label Extension Study to Evaluate Inhaled Treprostinil in Adult PH With ILD Including CPFE


About this study

This is a multicenter, open-label trial to evaluate the safety and efficacy of inhaled treprostinil in subjects with pre-capillary pulmonary hypertension (PH) associated with interstitial lung disease (ILD) including combined pulmonary fibrosis and emphysema (CPFE). The study will include about 266 patients who completed all required assessments in the RIN-PH-201 study at approximately 100 clinical trial centers. The study will continue Your participation in this study is voluntary and will last until you discontinue from the study or the study ends. The study will continue until each subject reaches the Week 108 visit or until inhaled treprostinil become commercially available for patients with PH associated with ILD including CPFE (whichever is sooner).

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  1. Subject voluntarily gives informed consent to participate in the study.
  2. The subject participated in study RIN-PH-201, remained on study drug, was compliant with RIN-PH-201 study procedures or was enrolled in study RIN-PH-201 at the time that the study was discontinued by the sponsor.
  3. Females of reproductive potential must be non-pregnant (as confirmed by a urine pregnancy test at Baseline) and non-lactating, and will:
    • Either abstain from intercourse (when it is in line with their preferred and usual lifestyle), or
    • Use two medically acceptable, highly-effective forms of contraception for the duration of study, and at least 30 days after discontinuing study drug.
  4. Males must use a condom for the duration of treatment and for at least 48 hours after discontinuing study drug.

Exclusion Criteria:

  1. The subject is pregnant or lactating.
  2. The subject was prematurely discontinued from study RIN-PH-201.
  3. The subject developed a concurrent illness or condition during the conduct of RIN-PH-201 which, in the opinion of the Investigator, would represent a risk to overall health if they enrolled in this study.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Jacksonville, Fla.

Mayo Clinic principal investigator

Charles Burger, M.D.

Closed for enrollment

Contact information:

Melissa Stratoberdha B.S.

(904) 953-2111

Rochester, Minn.

Mayo Clinic principal investigator

Hilary DuBrock, M.D.

Closed for enrollment

Contact information:

Pulmonary Clinical Research Unit

(800) 753-1606

More information


Publications are currently not available

Study Results Summary

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Supplemental Study Information

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