What question did this study set out to answer?

This research aims to develop novel therapies for epilepsy by evaluating new and existing anticonvulsant drugs.

April 22, 2026Open Access

Epilepsy Therapy Screening From 1975 to 2026 and Beyond: Merging Established and New Approaches to Develop Novel Therapies

Key Points

This research aims to develop novel therapies for epilepsy by evaluating new and existing anticonvulsant drugs.
Utilized the maximal electroshock seizure test, pentylenetetrazol seizure threshold test, and Rotorod minimal neurotoxicity test to screen compounds.
Evaluated 1,495 experimental compounds over the first two years and developed a reliable screening protocol.
Completed assessments determined the efficacy and safety of 352 compounds, identifying those with anticonvulsant activity.
Identified 430 compounds with good anticonvulsant activity based on preliminary findings.
Completed evaluations of 352 compounds revealed 16 with effective anticonvulsant activity at doses under 75 mg/kg.
All 16 compounds exhibited protective indices greater than 5.0, indicating strong effectiveness.

Abstract

Antiepileptic Drug Development: II. Anticonvulsant Drug Screening Krall RL, Penry JK, White BG, Kupferberg HJ, Swinyard EA. Epilepsia . 1978 Aug;19(4):409-28. doi:10.1111/j.1528-1157.1978.tb04507.x. PMID: 699894 By means of the maximal electroshock seizure test, the subcutaneous pentylenetetrazol seizure threshold test, and the Rotorod minimal neurotoxicity test, the Anticonvulsant Screening Project has evaluated the activity of 1,495 experimental compounds accessioned in the first 2 years. A three-screen protocol for appraising these compounds has proved reliable, fast, and inexpensive. Preliminary data show that 430 of these compounds have good anticonvulsant activity. Completed evaluations of 352 identified 16 that have anticonvulsant activity at doses less than 75 mg/kg and protective indices greater than 5.0.

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