Please assess the completion status of the following clinical trial:

Trial Title: Visualizing Beta Cells After Islet Transplantation

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: CASE_CONTROL
- Primary Purpose: None
- Time Perspective: CROSS_SECTIONAL
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria~Tx-group:~* \>18 years old~* T1D patient undergone islet transplantation~* Clinically proven functional islet graft~* Signed informed consent~Control group:~* \>18 years old~* T1D patients who are on the waiting list for islet transplantation~* Signed informed consent~Exclusion Criteria:~* Treatment with synthetic exendin or Dipeptidyl-Peptidase IV inhibitors within the last 3 months~* Breast feeding~* Pregnancy or the wish to become pregnant within 6 months~* Kidney disease~* Liver disease~* Age \<18 years~* No signed informed consent~Exclusion criteria for MR:~* fragments, clips or devices in brain, eyes, spinal canal~* Implantable defibrillator or pacemaker (wires)~* Mandibular magnetic implants~* Neurostimulator, bladder stimulator, non-removable insulin pump~* Metal tissue-expander in chest~* Cochlear implant~* Ossicular replacement prosthesis

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: None

Study Arms:
- Tx-group (Type: None): T1D patients that received islet of Langerhans transplantation (Tx) at least 3 months earlier
- Control group (Type: None): T1D patients that await islet of Langerhans transplantation

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