Please assess the completion status of the following clinical trial:

Trial Title: Effects of Myofunctional Therapy With an Application in Severe Apnea/Hypopnea Sleep Obstructive Syndrome (MTASSAOS)

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

Eligibility Criteria:
Inclusion Criteria:~* Age between 18-75 years~* Recently diagnosed with severe sleep apnea and do not have any previous experience or information with this pathology~* Consent signed~Exclusion Criteria:~* BMI \> 40 kg/m²~* Inability to fill up questionnaires~* Severe drug or alcohol abuse~* Hypnotic medication~* Not controlled coronary disease~* Decompensated Heart failure~* Stroke~* Systemic Disease associated with inflammatory diagnosed entity (arthritis, sarcoidosis, vasculitis, lupus...)~* Neuromuscular disease (like Duchenne)~* Craniofacial deformities.~* Active oncologic process.~* Any antecedents of MT treatment or other treatment for sleep apnea could affect study results of the study (surgery, Mandibular Advancement Device (MAD) or CPAP).~Once the patient accepted and signed consent and met inclusion criteria, they will be attended by Ent specialist to rule out:~* Severe upper airway obstruction (Complete nose obstruction, Tonsils grade IV/IV )~* Presence of tongue tie (Marchesani protocol) with limitation of tongue movements~* Antecedents or presence of temporomandibular joint disorders

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: f

Study Arms:
- INTERVENTION (AirwayGym) GROUP (Type: EXPERIMENTAL): Patients newly diagnosed with severe OSAHS should perform muscle upper airway exercises using the AirwayGym app for 20 min a day for 90 days.
- CONTROL GROUP (Type: NO_INTERVENTION): Patients newly diagnosed with severe OSAHS do no therapy for 90 days.

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