Please assess the completion status of the following clinical trial:

Trial Title: Stellate Ganglion Block: A Breakthrough Treatment for Post-Stroke Pharyngeal Dysphagia

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

Eligibility Criteria:
Inclusion Criteria:~* Age between 30 and 80 years;~* New-onset stroke, confirmed by head CT or MRI;~* The course of disease between 1 to 6 months;~* With pharyngeal dysphagia shown by VFSS;~* Stable vital signs;~* Voluntary participation in the study.~Exclusion Criteria:~* Allergy to Lidocaine injection or vitamin B12 injection;~* Severe cognitive impairment;~* Coagulation disorders;~* Severe dysfunction of organs including heart, lungs, kidney, liver, etc.;~* Complicated with other neurological diseases;~* With severe oral dysphagia (results of the VFSS oral phase as 2 or 3 points);~* Dysphagia caused by other diseases or reasons.

- Gender: ALL
- Minimum Age: 30 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- The observation group (Type: EXPERIMENTAL): Patients enrolled were firstly numbered for privacy with software and divided into the observation group (n=33) and the control group (n=33) with a random number table. Additionally, the staffs involved in assessment would not participate in the intervention of the study. The treatment lasted 20 days.
- The control group (Type: ACTIVE_COMPARATOR): Patients enrolled were firstly numbered for privacy with software and divided into the observation group (n=33) and the control group (n=33) with a random number table. Additionally, the staffs involved in assessment would not participate in the intervention of the study. The treatment lasted 20 days.

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