Please assess the completion status of the following clinical trial:

Trial Title: Chordate System S020 Acute Migraine Clinical Investigation

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

Eligibility Criteria:
Inclusion Criteria:~* Subjects with migraine, with or without aura according to International Headache Society (IHS) classification (International Classification of Headache Disorders \[ICHD\]-III beta).~* History of 1 to 6 migraine attacks per month for at least 12 previous months.~* At least 50% of previous migraine attacks had moderate or severe pain intensity.~* History of at least 48 hours of freedom from headache between migraine attacks.~* The majority of the previous untreated migraine attacks lasted at least 8 hours.~* Migraine onset before the age of 50 years.~Exclusion Criteria:~* History (within one year prior to inclusion into this clinical investigation) of 15 or more headache days per month (i.e. headaches of any kind).~* More than 6 days per month with non-migraine headaches (within one year prior to inclusion into this clinical investigation).~* Unable to distinguish between migraine headaches and other headache types at the onset of a migraine attack.~* Treatment with Botox in the head/neck area within 6 months of the screening visit, or between the screening and treatment visit.~* Previously treated with an implantable stimulator or any implantable devices in the head and/or neck.~* Pronounced anterior septal nasal deviation.

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

Study Arms:
- Chordate System S020 in treatment mode (Type: EXPERIMENTAL): None
- Chordate System S020 in placebo mode (Type: SHAM_COMPARATOR): None

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