Please assess the completion status of the following clinical trial:

Trial Title: Cognitive-Behavioural and Hypnotic Treatment of Chronic Primary Insomnia Among the Elderly

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* age 55 years or older~* fulfilment of the DMS-IV criteria for insomnia, including difficulties initiating sleep, maintaining sleep, and/or early morning awakenings with no ability of return to sleep~* duration of at least 3 months~* complaints of impaired daytime functioning.~Exclusion Criteria:~* use of hypnotic medication the last 4 weeks before project start~* use of antidepressive or antipsychotic medications~* signs of dementia or other serious cognitive impairment defined by a score under 25 on the Mini-Mental State Examination~* presence of a major depressive disorder or other severe mental disorder as identified by a clinical assessment based on The Structured Clinical Interview for DSM-IV (SCID-I)~* presence of sleep apnea defined as (A/H index \> 15) or periodic limb movements during sleep (PLM index with arousal \> 15),~* working nightshifts and unable or unwilling to discontinue this work pattern,~* willingness or inability to stop taking sleep medication before start~* having a serious somatic conditions preventing further participation

- Gender: ALL
- Minimum Age: 55 Years
- Maximum Age: None
- Healthy Volunteers: t

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