Please assess the completion status of the following clinical trial:

Trial Title: Xenon and Therapeutical Hypothermia After Successful Cardiopulmonary Resuscitation

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE2
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Patients with out of hospital cardiac arrest and successful cardiopulmonary resuscitation, which will be treated at Department of Internal Medicine I, University Hospital Aachen~Exclusion Criteria:~* Patients younger than 18 years~* Xenon allergy~* Pregnancy~* High expired oxygen requirement (\>70%) in order to maintain adequate arterial oxygen saturation (SpO2\>94%) at the beginning of treatment

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Xenon-Arm (Type: EXPERIMENTAL): Patients in Xenon-Arm will be inhalated with xenon within 2 hours additionally to therapeutical hypothermia after successful cardiopulmonary resuscitation.
- MTH (Type: ACTIVE_COMPARATOR): Patients after successful cardiopulmonary resuscitation will be treated only with therapeutical hypothermia

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