Catatonia: What next after benzodiazepines and ECT?

I’m sure that everyone reading this article knows that the first-line treatments for catatonia are: – Benzodiazepines, especially intravenous lorazepam. – Electroconvulsive therapy (ECT). What if both these modalities—benzodiazepines and ECT—are either not effective or not feasible? For example, what if the benzodiazepine is ineffective and the family member who is the patient’s proxy declines…