Please assess the completion status of the following clinical trial:

Trial Title: Lactobacillus Reuteri in Adult With Functional Chronic Constipation

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* functional constipation rome III~Exclusion Criteria:~* hypothyroidism or other metabolic or renal abnormalities, or~* antibiotic's treatment,~* probiotic or prebiotic supplementation in the last month

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

Study Arms:
- lactobacillus reuteri (Type: EXPERIMENTAL): Intervention: supplementation with the probiotic Lactobacillus reuteri (DSM 17938),Reuflor, was administered in the dose of 108 colony-forming units (CFU) in tablets of a commercially available preparation (Reuflor, Italchimici, Pomezia; BioGaia AB, Stockholm, Sweden), 30 minutes after feeding, twice per day for 4 weeks.
- placebo (Type: PLACEBO_COMPARATOR): a supplementation with placebo was administered in tablets of a commercially available preparation 30 minutes after feeding, twice per day for 4 weeks

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