Please assess the completion status of the following clinical trial:

Trial Title: Elective Percutaneous Coronary Intervention With or Without Supplemental OXYgen

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Adults ≥ 18 years of age, AND~* Undergoing elective coronary angiography due to suspected stabile coronary artery disease~* Evidence of moderate (40%-79%) stenosis, requiring further routine assessment with FFR.~* Informed consent~Exclusion Criteria:~* Acute coronary syndrome or myocardial infarction within 7 days~* Hypoxia with oxygen saturation measured on pulse oximeter \< 90% with the patient breathing air~* Left ventricular hypertrophy on echocardiography (septum \>13mm)~* Asthma (not COPD)~* Advanced AV-block without pacemaker in situ~* Altered conscious state/inability to provide informed consent

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

Study Arms:
- Supplemental oxygen (Type: EXPERIMENTAL): Inhalation of oxygen 6 L/min through an open face mask
- Ambient air (Type: SHAM_COMPARATOR): Breathing ambient air through an open face mask

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