Please assess the completion status of the following clinical trial:

Trial Title: A Trial of Negative Ion Generation Versus Light-Emitting Diode Phototherapy for Seasonal Affective Disorder (SAD)

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE2/PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Seasonal Affective Disorder~* Age 18 to 65~Exclusion Criteria:~* Psychotropic medication treatment~* History of light treatment for SAD~* History of mania or psychosis

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- Inactivated negative ion generator (Type: EXPERIMENTAL): Equivalent exposure to inactivated Negative Ion Generator
- LED light treatment device (Type: EXPERIMENTAL): Light-emitting photodiode light treatment device, used for 30 min before 8 am

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