Please assess the completion status of the following clinical trial:

Trial Title: Impaired Gustatory Sensory Perception in Obese and Obese Diabetic Persons

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: OTHER
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~* Patients who have provided written consent~* Patients over 18 years old~* Body Mass Index (BMI) \<25 kg/m² for healthy volunteers and BMI≥30 kg/m² for obese subjects~* Patients with type 2 diabetes for the group obese diabetic subjects~Exclusion Criteria:~* Patients under guardianship~* Patients without health insurance cover~* Pregnant or breast-feeding women~* Active smokers~* Subjects with type 2 diabetes for the  healthy subjects  and  obese subjects , subjects with type 1 diabetes for all groups~* Subjects who do not speak French~* Treatment that interferes with taste or acts on the central nervous system~* Anti-diabetic treatment with GLP-1 analogues (Glucagon-like peptide 1) or SGLT2 (sodium-glucose cotransporter type 2)~* Known hypersensitivity to the foods proposed in the study, or the paste used to fix the electrodes, or to paraffin wax or to the products tested (sucrose, glucose or starch for the gustatory evoked potentials and triangular tests)

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

Study Arms:
- healthy subjects (Type: ACTIVE_COMPARATOR): None
- obese (Type: EXPERIMENTAL): None
- obese diabetic (Type: EXPERIMENTAL): None
- obese diabetic who are going to be operated on (Type: EXPERIMENTAL): 25 of a sleeve gastrectomy and 25 of a Y gastric bypass

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