Related Experiment Video
Updated: Jan 26, 2026

Pupillary Response as Assessment of Effective Seizure Induction by Electroconvulsive Therapy
Published on: April 11, 2019
Continuation Electroconvulsive Therapy for Patients With Clozapine-Resistant Schizophrenia: A Pilot Study
Raphael J Braga1, Majnu John, Nina R Schooler
1From the Division of Psychiatry Research, The Zucker Hillside Hospital, Northwell Health, Glen Oaks; and The Feinstein Institute for Medical Research, Manhasset, NY.
Continuation electroconvulsive therapy (ECT) maintained treatment gains in clozapine-resistant schizophrenia patients. Long-term ECT use showed no additional adverse effects, offering a promising strategy for refractory cases.
Area of Science:
- Psychiatry
- Neurology
- Pharmacology
Background:
- Relapse after electroconvulsive therapy (ECT) is a challenge, especially in treatment-resistant patients.
- Continuation ECT strategies are not well-studied in clozapine-resistant schizophrenia.
- Previous research showed ECT augmentation of clozapine is effective for acute treatment.
Purpose of the Study:
- To evaluate the efficacy of continuation electroconvulsive therapy (ECT) in patients with treatment-resistant schizophrenia who responded to acute ECT augmentation with clozapine.
Main Methods:
- Continuation electroconvulsive therapy (ECT) was offered to responders of the acute phase.
- A tapered schedule of 10 sessions was administered over time: weekly, bi-weekly, and monthly.
Main Results:
- Patients maintained acute treatment gains during continuation electroconvulsive therapy (ECT).
- No patient experienced clinically significant symptom worsening.
- Long-term electroconvulsive therapy (ECT) did not result in additional adverse effects.
Conclusions:
- Continuation electroconvulsive therapy (ECT) appears effective in maintaining treatment response in clozapine-resistant schizophrenia.
- This pilot study suggests continuation ECT is a viable option for refractory cases.
- Further research is warranted due to the small sample size.
Related Concept Videos
Electroconvulsive Therapy
Continuous Renal Replacement Therapy
Schizophrenia
Biological Causes of Schizophrenia
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
Extracorporeal Removal of Drugs: Continuous Renal Replacement Therapy
Pilot and Numeric Relaying

