Please assess the completion status of the following clinical trial:

Trial Title: The Benefit of Local Anesthesia at the Sternum in Patients With Coronary Surgery

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Patients undergoing coronary artery bypass graft requiring sternotomy other than re-interventions and combined surgeries~* Consent for participation~* Affiliation to the french social security system~Exclusion Criteria:~* Pregnant or breastfeeding women~* Patients under protection of the adults (guardianship, curator or safeguard of justice)~* Communication difficulties or neuropsychiatric disorder~* Neuropathic disease~* Constitutional coagulation disorders~* Kidney insufficiency~* Sensitivity to nonsteroidal anti-inflammatory drugs~* Hypersensitivity to local anaesthetics~* Chronic use of opioid analgesics~* Corticosteroid treatment or immunosuppressive therapy~* Autoimmune disease~* Chronic pain syndrome or fibromyalgia~* Emergency cardiac surgery~* Hypovolemia

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

Study Arms:
- parasternal block (Type: EXPERIMENTAL): preoperative parasternal block by ropivacaine injection
- physiological serum (Type: PLACEBO_COMPARATOR): sodium chloride injection

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