Thussu 2002.

Methods	Randomised clinical trial. Single centre in India. Duration of trial 1.5‐3 years in two groups.
Participants	People with seizures and CT scan suggestive of NCC Age range: 4 to 52 years, Mean ages in group A and B 19.5 ± ‐8.79 years and 25.6 ± 12.5 years, respectively. 53% of patients were males. Total: 73 people, 47 in group A treated with AEDs for 6 months, 26 in group B treated for 24 months. Follow‐up: every 2 months for 12 months after withdrawal of drugs. Exclusion criteria: people with persistent lesions requiring albendazole therapy.
Interventions	AEDs for 6 months in group A, 24 months in group B. Group A 25 received carbamazepine, 22 received phenytoin. Group B 13 each received carbamazepine and phenytoin. Exact dosage and formulations not stated. Mentioned to have received quote: "therapeutic dosage according to weight".
Outcomes	Seizure recurrence after withdrawal of AED. Correlation of seizure recurrence with CT Scan findings.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Randomisation based on lottery system
Allocation concealment (selection bias)	Unclear risk	Not stated
Blinding of participants and personnel (performance bias) All outcomes	High risk	Not stated
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not stated
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Number of patients excluded or withdrawing from the study not mentioned
Selective reporting (reporting bias)	Unclear risk	Protocol not available. Insufficient information to confirm reporting bias.
Other bias	Unclear risk	Seizure recurrence discussed but timing of recurrence, i.e. during or after AED therapy not clear