Please assess the completion status of the following clinical trial:

Trial Title: Prevalence of Lidocaine Ineffectiveness in Adults With and Without ADHD

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: HEALTH_SERVICES_RESEARCH
- Time Perspective: None
- Masking: NONE
- Phase: EARLY_PHASE1
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~Exclusion Criteria for both arms:~(1) known adverse reactions to lidocaine; (2) ADHD, ADD, and other inattention disorders; (3) epilepsy, IQ \<80, severe head trauma, birth weight \<2270 grams, and severe autism; (4) treatment currently with potassium or potassium-elevating drugs such as renin-angiotensin-aldosterone blockers; (5) generalized anxiety disorders (but dental-specific anxiety will not be an exclusion because many of these individuals may be ones with anxiety because of painful dental experiences with lidocaine ineffectiveness); (6) mouth sores; (7) Ehlers Danlos syndrome, (8) red hair, and (9) current pregnancy.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 49 Years
- Healthy Volunteers: t

Study Arms:
- All subjects (Type: EXPERIMENTAL): All subjects get the lidocaine taste test

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