Please assess the completion status of the following clinical trial:

Trial Title: Efficacy and Safety of 5 mg Sublingual Zolpidem vs 10mg Oral Zolpidem in the Induction and Maintenance of Sleep in Patients With Primary Insomnia

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Men or women aged between 20 and 64 years;~* Diagnosis of primary insomnia according to criteria defined by DSM-IV;~* Difficulty in maintaining sleep and waking up until 3 am;~* Not having used any psychoactive drug in the last 30 days prior to their inclusion in the study;~* Signature of IC.~Exclusion Criteria:~* Previous history of serious medical illness, neurological or psychiatric disorder;~* Allergy or hypersensitivity to zolpidem;~* Obstructive Sleep Apnea syndrome;~* Polysomnography with apnea and hypopnea index \>10/hour or PLM \>15/h;~* Other secondary sleep disorders;~* History of substance abuse or dependence;~* History of daily consumption of alcoholic beverages;~* Pregnancy, lactation or refusal to use safe contraceptive methods during the study.

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 64 Years
- Healthy Volunteers: f

Study Arms:
- 5mg sublingual Zolpidem hemitartrate (Type: EXPERIMENTAL): 1 QD
- 10 mg oral Zolpidem hemitartrate (Type: ACTIVE_COMPARATOR): 1 QD.

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