Please assess the completion status of the following clinical trial:

Trial Title: A Trial on Probiotics in Preventing Hirschsprung's Disease Associated Entercolitis

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: EARLY_PHASE1
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~The inclusion criteria consists of all patients suffering from HD at an age of less than 13 years old, and HD is confirmed by postoperative pathological examination, barium enema and anorectal manometry.~Exclusion Criteria:~* Age\> 13 years old~* Patients are complicated with mental, neurological disorders (such as hypoxic-ischemic encephalopathy, epilepsy and dementia) or can not thrive.~* Patients are complicated with congenital gastrointestinal malformations (such as anal stenosis, intestinal atresia stenosis), metabolic and endocrine diseases caused by organic constipation and functional constipation in children.~* Children are complicated with liver, kidney dysfunction, blood disorders, immune deficiency diseases and significant ECG abnormalities.~* Children have taken oral antibiotics, microecological modulator, yogurt, other gastrointestinal motility drugs which can affect the gut flora.~* Drug allergies, or allergic diseases..~* Poor compliance with oral probiotics treatment.

- Gender: ALL
- Minimum Age: 1 Month
- Maximum Age: 13 Years
- Healthy Volunteers: f

Study Arms:
- Probiotics (Type: EXPERIMENTAL): None

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