Please assess the completion status of the following clinical trial:

Trial Title: Comparison of 2 Different Positional Therapies for Positional Obstructive Sleep Apnea Syndrome

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

Eligibility Criteria:
Inclusion Criteria:~* Adult patients able to give writtent consent with a de novo diagnosis of positional sleep apnoea according to a polysomnograph.~Exclusion Criteria:~* Pregnant women

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 99 Years
- Healthy Volunteers: f

Study Arms:
- Positional pillow followed by vibrating belt (Type: EXPERIMENTAL): 26 patients with positional sleep apnea will be randomized to spend 3 nights using a positional pillow followed by a vibrating belt. The time spend on supine position will be monitored on each device and a satisfaction questionnaire as well as a sleep quality questionnaire will be performed after the use of each device.
- Vibrating belt followed by positional pillow (Type: EXPERIMENTAL): 26 patients with positional sleep apnea will be randomized to spend 3 nights using a vibrating belt followed by a positional pillow. The time spend on supine position will be monitored on each device and a satisfaction questionnaire as well as a sleep quality questionnaire will be performed after the use of each device.

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