Please assess the completion status of the following clinical trial:

Trial Title: Magnesium Sulphate Injection in Treatment of Myofascial Trigger Points

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

Eligibility Criteria:
Inclusion Criteria:~* Definite diagnosis of myofascial pain with a referral, based on the DC/TMD criteria~* the presence of one or more trigger points in the unilateral or bilateral masseter muscle~* no history of any invasive procedures in the related masseter muscle.~Exclusion Criteria:~* Factors that can cause pain in the orofacial region other than MTPs (decayed tooth, TMJ internal disorder).~* Any systemic disease that possibly affects the masticatory system such as rheumatoid arthritis and epilepsy~* pregnancy and lactation.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 60 Years
- Healthy Volunteers: f

Study Arms:
- group I (Type: ACTIVE_COMPARATOR): each patient injected 0.5ml in each TrPs of saline by the same operator
- group II (Type: EXPERIMENTAL): each patient injected 0.5ml in each TrPs of magnesium sulphate by the same operator

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