Please assess the completion status of the following clinical trial:

Trial Title: Incretin Physiology and Beta-cell Function Before and After Weight-loss

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

Eligibility Criteria:
Inclusion Criteria:~* Caucasians without type 2 diabetes mellitus~* Normal OGTT (75 g of glucose) according to WHO's criteria~* Patients fulfilling the criteria for laparoscopic gastric banding~* Normal Hemoglobin~* Informed consent~Exclusion Criteria:~* Liver disease (ALAT \> 2 x normal level)~* Nephropathy (s-creatinin \> 130 µM or albuminuria)~* Relatives (parents/siblings) with T2DM~* Medical treatment witch cannot be stopped for 12 hours

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

Study Arms:
- A (Type: None): Obese patients without diabetes with a Body Mass Index \> 37 kg/m2

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