Please assess the completion status of the following clinical trial:

Trial Title: A Randomized Cross Over Trial of Two Treatments for Sleep Apnea in Veterans With Post-Traumatic Stress Disorder

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:~* Consecutive patients aged 18-70 years of age~* Documented obstructive sleep apnea by polysomnography (AHI 5 or more/hr)~* Established diagnosis of PTSD related to any past lifetime traumatic event and have a diagnosis of current, chronic PTSD~Exclusion Criteria:~* Central sleep apnea defined as central apnea/hypopnea \>50% of the total respiratory events~* Prior treatment for sleep apnea~* Veterans with fewer than 4 teeth remaining in either arch~* Coexisting narcolepsy~* Tempo-mandibular joint disease~* Epilepsy~* Prominent suicidal or homicidal ideation~* Diagnosis of dementia

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 70 Years
- Healthy Volunteers: f

Study Arms:
- CPAP First, MAD (Type: ACTIVE_COMPARATOR): CPAP treatment for sleep apnea~CPAP: CPAP Treatment for 12 weeks MAD: MAD treatment for 12 weeks
- MAD First, CPAP (Type: EXPERIMENTAL): MAD treatment for sleep apnea~MAD: MAD Treatment for 12 weeks CPAP: CPAP treatment for 12 weeks

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