Clinical trial Recruiting at 2 sites Interventional Ages 18 and up

Animal-assisted occupational therapy to boost brain signal complexity in minimally conscious adults

Official title: Neurological and Physiological Effects of Animal-assisted Therapy for Patients in a Minimally Conscious State: a Randomized, Controlled Cross-over Study

Run by University of Basel · NCT06931665 · Data updated 2026-11-12

We will try animal-assisted occupational therapy to see if it increases brain signal complexity in adults who are in a minimally conscious state.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment26 (estimated)
SponsorUniversity of Basel
Academic / other
Locations2 sites (Basel and 1 other locations)
StatusRecruiting
StartedJuly 8, 2025
Main results expectedApril 2027
Study endsApril 2027
Registry record updatedDecember 18, 2025
Trial IDNCT06931665 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults (18+) with acquired brain injury who meet minimally conscious state criteria, are physiologically stable in an inpatient setting, and have consent from a legal representative are ideal candidates.

Probably not a fit

Patients with animal phobias or allergies, unstable medical conditions, or recent major medication changes are excluded and unlikely to benefit from this intervention.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This interventional study delivers animal-assisted occupational therapy sessions to inpatients with a minimally conscious state and records brain and physiological signals. Researchers will measure EEG entropy as the primary neural outcome, alongside ECG, electrodermal activity, and behavioral observations. Participants are adults with acquired brain injury who meet CRS-R criteria for MCS and are physiologically stable, with consent from a legal representative. The study is conducted at REHAB Basel and the neurorehabilitation service at Geneva University Hospitals.

Why it matters

Potential benefit: If successful, the approach could increase measures of brain complexity and possibly support recovery-related changes in consciousness and responsiveness.

How similar studies have gone: Small pilot and case studies have reported behavioral responses to animal-assisted interventions in disorders of consciousness, but robust evidence using EEG entropy is limited and this application is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Inpatients in one of the study sites
* Acquired brain injury resulting from either traumatic or non-traumatic events
* Diagnosis of MCS defined by CRS-R according to the Aspen criteria (Giacino, 2005)
* Informed consent as documented by signature by the patient's legal representative
* Physiologically stable
* Aged 18 or over

Exclusion Criteria:

* Phobia or allergies to any of the involved animals
* Medical contraindications: acute or chronic disease (e.g. chronic pain, hypertension, heart disease, renal disease, liver disease, diabetes)
* Radical changes in medication (decision made with responsible physician)

Where it's running

  • REHAB Basel
    Basel, Switzerland
    Recruiting
  • Service de Neurorééducation, Hopitaux Universitaires Genevois
    Geneva, Switzerland
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.