Please assess the completion status of the following clinical trial:

Trial Title: Sleep Disordered Breathing in Precapillary Pulmonary Hypertension: Effect of CPAP Treatment

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* minimum 18 years old~* diagnosed with PAH or non-operable CTEPH or operated CTEPH with peristent pulmonary hypertension~* diagnosis of PAH based on cardiac catherisation~* diagnosis of CTEPH confirmed by contrast-enhanced spiral chest CT, pulmonary angiography and V/Q scintigraphy~* recent diagnosis of sleep disordered breathing (polysomnography realized within 3 months before inclusion showing AHI above 15) stable clinical condition for at least 3 months before inclusion as defined by NYHA and a walking distance difference within 10% of the previous 3 months and no change in medical therapy during this 3 months~Exclusion Criteria:~* congenital heart disease~* moderate and severe restrictive or obstructive pulmonary disease with a TLC and a FEV1\<60% of the predicted value~* BMI 35kg/m2 or more~* patients already treated with CPAP~* patients with severe sleepiness (epworth sleepiness scale from 18 to 24/24)

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

Study Arms:
- cpap treatment (Type: OTHER): patients randomized to the 'no cpap' arm will not be treated by CPAP
- no cpap (Type: NO_INTERVENTION): patients randomized to the 'cpap' arm will be treated by CPAP

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