A Study Of PISTACHIO 2.0

Overview

About this study

The purpose of this study is to develop generative algorithms with closed-loop feedback using 5.4 million minutes of smartwatch data collected from 50 children (aged 3 – 7 years) and parent-provided timestamps (closed-loop feedback) of disruptive behavior (characterized by temper outbursts).

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria: Children

  • Ages 3-7 at time of enrolment.

  • Outpatients

  • Any gender, race, or ethnicity.

  • Able to provide developmentally appropriate informed assent, and parents or legal guardians able to provide informed consent.

  • EBP Severity rated above the clinically significant range (≥120; T-score ≥ 60) (Eyberg Child Behavior Inventory- ECBI; Eyberg & Pincus, 1999).

  • Need for more intensive behavioral treatments such as ER visit for behavioral dyscontrol or hospitalization will not be exclusionary or exit criteria.

  • To be able to speak and understand English and willing to wear a smartwatch. 

  • Children included in the study will be allowed to use psychotropic medications (such as stimulants for ADHD) during the trial monitored by their clinician (combined treatment).

Exclusion Criteria: Children

  • Formal diagnosis of Severe Intellectual disability, Severe Autistic Spectrum Disorder, or a psychotic disorder for the child.

  • Parents not consenting to study.

  • Parents or child is not able to adhere to the study protocol.

  • A Child who is reasonable expected to be unable to tolerate wearing the Garmin device for at least 70% of the time during the day and night 70% of the days during the treatment (12 weeks). This is based on the principal investigator’s discretion.

  • Unable to speak and understand English.

  • Refusal or withdrawal of consent, inability, or unwillingness to adhere to study procedures.

  • Any unstable medical condition.

  • Use of any investigational drug within 4 weeks of baseline.

Inclusion Criteria Adults (Parents or legal caregiver):

  • Agree to wear Garmin watch

  • Ages 18-99

  • Any gender, race, ethnicity.

  • Able to provide informed consent.

  • To be able to speak and understand English. 

Exclusion Criteria Adults (Parents or legal caregiver):

  • Unable to speak and understand English.

  • Refusal or withdrawal of consent, inability, or unwillingness to adhere to study procedures.

  • Any unstable medical/psychiatric condition.

Note: Other protocol defined Inclusion/Exclusion Criteria may apply.

Eligibility last updated 6/27/2025. Questions regarding updates should be directed to the study team contact.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status

Rochester, Minn.

Mayo Clinic principal investigator

Magdalena Romanowicz, M.D.

Contact us for the latest status

More information

Publications

Publications are currently not available

Additional contact information

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Phone: 800-664-4542 (toll-free)

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