Please assess the completion status of the following clinical trial:

Trial Title: Essential Tremor in Children and Adolescent

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

Eligibility Criteria:
Inclusion Criteria:~* Subject whose age is between 3 and 18 years~* Subject affiliated to a social security scheme~* Parents or subjects who have been informed of the course and consequences of the study by an investigator and who have signed the informed consent form for prospective inclusion or who have given their non-opposition for retrospective inclusion.~* Diagnosis of essential tremor established according to the diagnostic criteria of the Movement Disorders Society (1998), by a neuropediatrician or a neurologist, specialist in abnormal movements. The diagnosis is based on the presence of the following criteria: bilateral action tremor of the hands and forearms, absence of other neurological signs.~* Availability of an electromyogram for retrospective inclusions.~Exclusion Criteria:~* Abnormal neurological examination outside tremor~* Family history or personal dysthyroidism~* Existence of a global psychomotor or motor developmental delay~* Taking medication that may induce tremor~* known poisoning by heavy metals, bismuth, mercury, methyl bromide~* Severe appearance of the tremor~* Tremor suggestive of a psychogenic origin~* Abnormal or non-existent brain MRI if family case

- Gender: ALL
- Minimum Age: 3 Years
- Maximum Age: 18 Years
- Healthy Volunteers: f

Study Arms:
- child essential tremor (Type: OTHER): electromyogram with accelerometer

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