Please assess the completion status of the following clinical trial:

Trial Title: Effect Comparison of Electro-acupuncture and Prucalopride for Severe Chronic Constipation: a Randomized Controlled Trial

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:~1. meeting Rome Ⅲ criteria for diagnosing functional constipation;~2. severe chronic constipation (two or fewer CSBMs per week for more than 3 months）;~3. the weekly mean CSBMs are no more than 2 times during the 2-week baseline~4. aged from 18 to 75 years old~5. no use of drugs for constipation (emergency treatments should be excepted) during at least 2 weeks before enrollment; no acupuncture treatment for constipation in the previous 1 month; never joined any other trial in progress;~6. volunteered to join this research and signed the informed consent~Exclusion Criteria:~1. irritable bowel syndrome, organic constipation or secondary constipation caused by endocrine, metabolic, nervous, postoperative diseases, or by drugs;~2. mushy stool or watery stool are showed more than once during baseline when defecating spontaneously without any laxative (Bristol stool type 6 or 7);~3. history of pelvic floor dysfunction;~4. taking medicine in progress which can induce constipation;~5. severe hemorrhoid or anal fissure;~6. constipation with serious cardiovascular, hepatic or renal diseases, cognitive dysfunction, abdominal aortic aneurysm or hepatosplenomegaly, aphasia, mental disorders, or illness which affects the cooperation for examination and treatment;~7. women in gestation or lactation period;~8. blood coagulation disorders or using anticoagulants regularly such as Warfarin and Heparin;~9. cardiac pacemaker carrier.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: f

Study Arms:
- Electro-acupuncture (Type: EXPERIMENTAL): Electro-acupuncture at bilateral ST25, SP14 ,and ST37. Patients will be treated once per day for 30 min, 5 times/week for the first 2 weeks, and 3 times/week for the next 6 weeks.
- Prucalopride (Type: ACTIVE_COMPARATOR): Prucalopride Succinate taken orally, 2mg/day in the morning before breakfast

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