Please assess the completion status of the following clinical trial:

Trial Title: Study to Investigate Prucalopride vs. Polyethylene Glycol 3350 on Colon Activity

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Chronic constipation~* Male or female ages 18-75 years~* Non-pregnant, non-lactating female~Exclusion Criteria:~* Drug-induced constipation~* Subjects suffering from secondary causes of chronic constipation, such as:~* Endocrine disorders, e.g. hypopituitarism, hypothyroidism, hypercalcemia, pseudohypoparathyroidism, pheochromocytoma or glucagon-producing tumors, unless these are controlled by appropriate medical therapy.~* Metabolic disorders, e.g. porphyria, uremia, hypokalemia or amyloid neuropathy, unless these are controlled by appropriate medical therapy~* Neurological disorders, e.g. Parkinson's disease, cerebral tumors, cerebrovascular accidents, multiple sclerosis, meningocele, aganglionosis, hypoganglionosis, hyperganglionosis, autonomic neuropathy or neuropathy due to chemotherapy, spinal cord injury, Chaga's disease, or major depression~* Surgery.~* Subjects with insulin-dependent diabetes mellitus~* Rectal evacuation disorder/outlet obstruction~* Subjects with intestinal perforation or obstruction~* Severe renal impairment~* Subjects with a history of alcohol or drug abuse~* Subjects with lactose intolerance~* Subjects with clinically significant cardiac, vascular, liver, pulmonary, endocrine, neurological or psychiatric disorders

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

Study Arms:
- Prucalopride (Type: EXPERIMENTAL): None
- PEG 3350 (Type: ACTIVE_COMPARATOR): None

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