Please assess the completion status of the following clinical trial:

Trial Title: Four-week Open-trial Extension TNS for ADHD

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

Eligibility Criteria:
Inclusion Criteria:~* male and female children ages 8-12 with DSM-5 ADHD, and current presentation, as determined by KSADS and clinical interview~* participated in a previous randomized, double-blind, sham-controlled trial of TNS for ADHD, and randomized to the sham condition.~* parents able and willing to monitor proper use of the TNS device and complete all required rating scales~* parent and participants able to compete study rating scales and other measures in English~Exclusion Criteria:~* currently requiring any medication with CNS effects

- Gender: ALL
- Minimum Age: 8 Years
- Maximum Age: 12 Years
- Healthy Volunteers: f

Study Arms:
- Active TNS (Type: EXPERIMENTAL): Participants who previously underwent screening and determination of eligibility in a double-blind sham-controlled trial of TNS for ADHD, and randomized to sham, will be offered upon unblinding at the end of the 5-week controlled trial to receive 4-weeks open treatment with the active TNS condition.

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