A seven-patient series described regression, assessment, and longitudinal treatment. Improvement did not consistently mean a one-time cure after lorazepam or electroconvulsive therapy.
The longitudinal findings
Patients with Down syndrome and clear functional regression were assessed for catatonia, including response to intravenous lorazepam. Treatment over several years involved lorazepam, ECT, and other medicines.
All improved, with ECT often producing marked recovery, but symptoms could recur and continued treatment was needed. Several interventions were adjusted during follow-up.
Selection and combination limit inference
Lorazepam response contributed to case identification, which matters when interpreting apparent response frequency. The small series lacked a randomized comparator and used multiple therapies.
The findings cannot establish that every regression in Down syndrome is catatonia or quantify the independent effect of a particular drug. Forensic review should compare baseline function with acute change and follow separate symptom, treatment, and relapse timelines. Sustained functioning and ongoing medication need can coexist.
Source paper
Original analysis of the supplied journal article, identified as PMC6759875.
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