Please assess the completion status of the following clinical trial:

Trial Title: Therapeutic Effect of Desogestrel on Ventilatory Control in Patients With Congenital Central Hypoventilation Syndrome

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE2
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* diagnosed congenital central hypoventilation syndrome (CCHS)~* female~* greater than or equal to 16 years of age~Exclusion Criteria:~* less than 16 years of age~* male~* pregnant~* poor adherence to medications~* inability to perform pulmonary maneuvers for tests~* contraindications to oral contraceptives~* pulmonary hypertension

- Gender: FEMALE
- Minimum Age: 16 Years
- Maximum Age: 50 Years
- Healthy Volunteers: f

Study Arms:
- Females with CCHS > 16 years old on desogestrel (Type: EXPERIMENTAL): open label studied on drug.

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