Please assess the completion status of the following clinical trial:

Trial Title: Obstructive Sleep Apnea (OSA) in Pulmonary Arterial Hypertension (PAH)

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* • Diagnosis of Group 1 PAH~  * Either lack of treatment for PAH or sub-optimally treated PAH as defined by NYHA FC 3 or 4~ * Age 18 or older~ * Ability to give consent~ * Ability to undergo overnight polysomnogram~ * Previously diagnosed OSA not on therapy~Exclusion Criteria:~* Age younger than 18~* Pregnancy~* Previously diagnosed OSA and receiving therapy~* Inability to undergo overnight polysomnography in laboratory

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Based on this trial design, predict the completion outcome and termination type (if applicable).