Please assess the completion status of the following clinical trial:

Trial Title: Vagus Nerve Stimulation: Integration of Behavior and Cardiac Modulation

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: SINGLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria: Recurrent MDD diagnosis (≥ 2 episodes) with a current active depressive episode.~Exclusion Criteria:~* History of Axis I psychiatric diagnosis other than MDD or anxiety disorder - e.g., substance use disorder, psychotic disorder, or bipolar disorder.~* Current Suicidal Ideation with intent and/or plan or history of suicide attempt within the last year~* Use of psychotropic medications within four weeks prior to study with the exception of Selective Serotonin Reuptake Inhibitors (SSRIs) and Selective Norepinephrine Reuptake Inhibitors (SNRIs) class of antidepressant medication only~* Use of Tricyclic antidepressants (TCAs), Monoamine oxidase inhibitors (MAOIs), and Atypical agents~* History of cardiovascular disease~* History of neuroleptic use~* Past history of substance abuse or dependence within the past 12 months (excludes nicotine)~* Bleeding disorder or use of anticoagulants.~* Pregnancy~* Metallic implants or devices contraindicating magnetic resonance imaging.~* Use of beta blockers

- Gender: FEMALE
- Minimum Age: 25 Years
- Maximum Age: 40 Years
- Healthy Volunteers: f

Study Arms:
- Exhalatory-gated tVNS (Type: EXPERIMENTAL): exhalatory-gated tVNS on the left auricle
- Inhalatory-gated tVNS (Type: ACTIVE_COMPARATOR): inhalatory-gated tVNS on the left auricle

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