Please assess the completion status of the following clinical trial:

Trial Title: A Double-blinded,Double-dummy Clinical Trial of Chinese Herbal Medicine (MaZiRenWan) for Functional Constipation

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE2
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* either gender aged 18 to 65 years~* have FC diagnosed as Rome III criterial~* have diagnosis of Excessive Constipation according to the TCM theory~* complete spontaneous bowel movement (CSBM) ≦2times/w~* severity of constipation≧3pts (7 pts scale from 0 to 6pts) and the overall scoring of constipation-related symptoms≧6pts (6items in 7pts scale) for self symptom assessment in the run-in period~* normal colonic evaluation (colonoscopy or barium enema) within 12 months~* normal liver and renal function in blood test within 3 months~Exclusion Criteria:~* drug-induced constipation~* secondary causes of constipation (i.e. medical history of diabetes mellitus and thyroid disease)~* abdominal surgery (i.e. Caesarean operation)~* severe diseases (i.e. cancer and acute present asthma)~* allergy to CHM (i.e. G6PD deficiency), senna and tartrazine~* pregnancy or breast-feeding~* psychiatric or addictive disorders

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- MZRW (Type: EXPERIMENTAL): MZRW is composed of Fructus Cannabis (HuoMaRen), Radix et Rhizoma Rhei (DaHuang), Radix Paeoniae Alba (BaiShao), Semen Armeniacae Amarum (KuXingRen), Fructus Aurantii Immaturus (ZhiShi) and Cortex Magnoliae Officinalis (HouPo).
- Senna (Type: ACTIVE_COMPARATOR): Senna is a stimulant laxative which facilitates the passage of stools by altering intestinal electrolyte transport and increasing intestinal motor activity.
- Placebo (Type: PLACEBO_COMPARATOR): Placebo MZRW and Placebo Senna

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