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Printable Handouts
Navigable Slide Index
- Introduction
- Conflict of interest statement and disclaimer
- Antiseizure drugs versus antiepileptic drugs
- The discovery of antiseizure drugs
- Potassium bromide
- Phenobarbital
- Phenobarbital structure
- Phenytoin
- Equipment for testing electroshock thresholds
- The discovery of phenytoin
- Early concepts in discovery of antiseizure drugs
- Experimental seizures in mice
- Disadvantages of MES and ScPTZ
- The challenge of newer tests
- ERA 1938 - 1960 (1)
- ERA 1938 - 1960 (2)
- ERA 1961 - 1974
- Major antiseizure drugs in use pre-1990
- Anticonvulsant screening program (APS)
- ASP receipt of test substance
- Does the ASP find new drugs?
- Discovery of antiseizure drugs
- New strategies for rational AED development
- New antiseizure drugs since 1990
- The clinical development of antiseizure drugs
- Ideal product profile
- Edward Sieveking citation
- Clinical study drug treated group
- Clinical study placebo treatment
- Topics not discussed here
- Investigational new drug (IND)
- Drug product flow
- Phase I
- Phase I studies
- Typical phase I studies
- Two fundamentals of clinical pharmacology
- Aims of phase I studies
- Issues in determining tolerability and toxicity
- Evaluating pharmacodynamic efficacy in phase I
- Determining the pharmacokinetic profile (ADME)
- Summary of phase I program
- Phase II: proof of principle
- Shortcuts don't provide reliable preliminary efficacy
- Preclinical predictions
- Choosing compounds for clinical development
- The patients in clinical trials: seizure type
- The first concept in epilepsy clinical trials design
- Type of seizure
- Two kinds of seizures
- Clinical trials of partial seizures
- The patients in clinical trials: seizure frequency
- Seizure frequency of patients: guidelines
- Concomitant medications and drug interactions
- Drug interactions: defined before clinical trial
- The doses to be tested
- The doses: guidelines
- Maximum tolerated dose (MTD) in humans (1)
- Maximum tolerated dose (MTD) in humans (2)
- Study designs
- Retigabine (Ezogabine)
- Study 202 design (phase IIA)
- Conclusions from retigabine phase IIA study
- Retigabine phase IIB study
- Retigabine study 205 design (1)
- Retigabine study 205 design (2)
- Study 205: reduction in partial seizure frequency
- Study 205: responder rate
- Study 205: treatment emergent adverse events
- Study 205: discontinuation due to adverse events
- Study 205: conclusions
- Study 212
- Phase III
- Retigabine phase III
- Primary efficacy endpoints at phase III
- Lecture summary (1)
- Lecture summary (2)
- Lecture summary (3)
- References
Topics Covered
- Seizures and epilepsy
- Drugs for the symptomatic treatment of seizures
- Finding new Anti-Seizure Drugs is a combination of serendipity, screening and rational approaches
- Drug Development
- Preclinical studies
- Controlled Clinical Trials are needed to prove that an anti-seizure drug is effective
Links
Series:
Categories:
Therapeutic Areas:
Talk Citation
Porter, R. (2013, March 28). Anti-seizure drugs: discovery and development [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved April 19, 2025, from https://doi.org/10.69645/GZBZ6402.Export Citation (RIS)
Publication History
- Published on March 28, 2013
Financial Disclosures
- Dr. Roger Porter, Consultant: Epilepsy Therapy Project, NeuroPace, Upsher-Smith, Zalicus, Medivation, SK Pharma, Civitas.