Please assess the completion status of the following clinical trial:

Trial Title: Study of the Enteric Nervous System Using Colonic Biopsies in Parkinson Patients With LRRK2 Mutation

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

Eligibility Criteria:
Inclusion Criteria:~* Patients aged 30-80, both genders~* Parkinson's disease patients~* Parkinson's disease patients with G2019S mutations~* Controls: patient at risk of colic cancer for whom a coloscopy is required

- Gender: ALL
- Minimum Age: 30 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- Colonic biopsies (Type: OTHER): Colonic biopsies obtained during the course of colonoscopy or rectosigmoidoscopy

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