Please assess the completion status of the following clinical trial:

Trial Title: Hyperoxia and Microvascular Dysfunction

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

Eligibility Criteria:
Inclusion Criteria:~* Coronary angiography done in the context of suspicion of coronary artery disease (CAD)~Exclusion Criteria:~* Respiratory failure requiring intubation or supplementary oxygen~* Severe chronic obstructive pulmonary disease~* Significant arrhythmia precluding waveform analysis (e.g., excessive premature ventricular contractions or atrial fibrillation)~* Severe valvular heart disease,~* Suspected elevated central venous pressure (CVP)~* Heart failure as defined by New York Heart Association class III or IV~* Previous coronary revascularization or heart transplantation~* Severe hypertension (systolic pressure \>200 mmHg and diastolic pressure \>120 mmHg at rest)~* Contraindications to adenosine infusion~* Contraindication to acetylcholine (Ach) infusion~* Severe bronchial asthma.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 85 Years
- Healthy Volunteers: t

Study Arms:
- Hyperoxia (Type: EXPERIMENTAL): * assessment of forearm skin microcirculatory blood flow by laser Doppler perfusion imager at baseline and during hyperemic tests~* assessment of coronary microcirculatory blood flow at baseline and during hyperemic tests
- Normoxia (Type: PLACEBO_COMPARATOR): * assessment of forearm skin microcirculatory blood flow by laser Doppler perfusion imager at baseline and during hyperemic tests~* assessment of coronary microcirculatory blood flow at baseline and during hyperemic tests

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