L7 Flashcards
What do MAHs outline?
Specific legal responsibilities across the whole life of the product
What are 4 requirements MAH outline?
Requirement to launch product
Market product (legally)
Legal responsibility in maintaining quality & safety
Legal responsibility for monitoring real-world performance & report findings
What is pahrmacovigilance?
PV & post-merkaet surveillance
What is involved in PV?
Series of data gathering & monitoring exercises aiming to record all new info about hazards associated with a medicine with aim of preventing harm
What is the main focus of PV?
Emerging, previously unrecognized adverse effects & medical errors
What are 3 medical errors?
Prescribing
Dispensing
Patient
What is a side effect?
Any outcome that is not within scope of desired therapeutic/pharmalogical effect
What is toxicity?
Outside therapeutic range (dose dependent)
What is the difference between expected & unexpected side effects?
Expected = anything that has been noted in a trial and has made it onto patient info leaflet
Unexpected = never seen before/mentioned
What is the rationale for PV?
Clinical trials are controlled and doesn’t reflect how the drug will perform in the real world
What are 4 possible oytcomes of PV?
- Withdrawal of product authorisation
- Suspension of authorisation
- License remains but additional restrictions are introduced
- Updates/changes have to be communicated in labelling changes/ changes to SPC
Define adverse effect.
Any untoward medical occurrence that happens during treatment but which may or may not be treatment related
What is a serious adverse effect?
Life threatening, fatal cause of prolong hospital admission, cause persistent disability or concern misuse or dependence
What is adverse drug reaction?
Undesirable response to a drug which is noxious & unintended & occurs at doses in the therapeutic range
What is a serious adverse drug reaction?
ADR where SAE conditions of severity applies
Whats an unexpected adverse drug reaction?
Adverse reaction, nature of severity of which is not consistent with MA or expected from characteristics of the drug
What is a Signal?
Info reported on a possible relationship between an AE & a drug
May be unknown or incompletely documented until now
What does the number of reports to constitute a ‘signal’ depend on?
Seriousness of event & quality of info
What are Type A adverse reactions?
Due to pharmalogical effects
Dose related
Common
Known before marketing
eg. hypnotic effects of antihistamines
What are Type B adverse reactions?
Rare & unpredictable
Little or no dose relationship
Occur in predisposed, intolerant pts
eg. penicillin allergies
What are Type C adverse reactions?
Occur after long term therapy
No suggestive time relationship
Use of drug increases frequency of spontaneous diseases
eg. carcinogenesis
What are Type D adverse reactions?
Presented years after a drug was used
eg. cervical cancer in women whose mothers were treated by diethylstilbestrol
What are Type E adverse reactions?
Absence of drug after withdrawal - rebound
eg. corticosteriods in asthma