Melzer 2015.

Methods	Allocation: parallel, randomised Blind: double‐blind Country: Brazil Length of study: awaiting full text
Participants	Diagnosis: super‐refractory schizophrenia Total N at randomisation = 20 Sex: men and women Age (years): range 18 to 55 Length of illness (years): awaiting full text Inclusion criteria: (1) DSM‐IV‐TR criteria for schizophrenia (2) Age between 18 and 55 years, men and women (3) All patients were on clozapine treatment for at least 6 months, with or without add‐on therapy, with unsatisfactory response, defined as CGI ≥ 4, and PANSS total ≥ 60 at baseline Exclusion criteria: awaiting full text
Interventions	ECT group: ECT Control group: Sham‐ECT
Outcomes	PANSS (and its sub scales ‐ positive, negative, and general psychopathology) and CGI
Notes	Awaiting classification due to no full text. Contact information: Not available