Please assess the completion status of the following clinical trial:

Trial Title: Determination of the Sensitivity, Specificity & Receiver Operating Characteristic of Nerve Stimulation Receptor as a Decision-making Tool During US Guided PNB

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: OTHER
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Patients, 18 years and older, undergoing regional anesthesia with a peripheral nerve block allowing a neurostimulation.~Exclusion Criteria:~* Contraindications to a peripheral nerve block~* Risk of severe intoxication to local anesthesia~* Peripheral nerve block in an area not allowing neurostimulation due to absence of motor fibers (for example, adductor canal block)~* Patient refusal~* Patient unable to communicate with the health or research team

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

Study Arms:
- Phase I - Patients undergoing regional anesthesia with a block allowing a neurostimulation. (Type: None): The investigators propose to conduct a single-blind, prospective observational study on all eligible patients undergoing regional anesthesia with a peripheral nerve block allowing a neurostimulation.

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