Drug regulation and discovery in canada Flashcards
(30 cards)
history of canadian pharmacy
- during the 1800s, drugs in canada were unregulated
- opium was widely available without a prescription
- travelling medicine shows proclaimed the latest ‘ miracle cure’
- there were major concerns regarding the purity of imported drugs
what are the 4 general ways the practice of pharmacy is controlled in canada
- courts
- federal, provincial and local legislatures
- federal and provincial regulatory agencies ie NAPRA and NBPhS
- professional organizations, ie CAPT, NB college of pharmacists, CPhA, NB dental hygienists associations, canadian dental hygienists associations
how are drugs regulated
- 1884 - adulteration act
- 1920 + amendments in 1950 - food and drug act
- federal acts, like canada health act, controlled drugs and substances act, and food and drugs act
- provincial acts, like pharmacy act, health professions act and tobacco act
what is the canada health act
- canada’s federal health insurance legislation
- ensure that all eligible residents of canada have reasonable access to medically necessary insured services on a prepaid basis, without direct charges at the point of service for such services
what are insured health care services
- medically necessary hospital, physician and surgical-dental services provided to insured persons
what are extended health care services
- certain aspects of long-term residential care (nursing home intermediate care and adult residential care services), and the health aspects of home care and ambulatory care services
who are insured persons
- eligible residents of a province or territory
who would be excluded under the canada health act
- serving members of the canadian forces or RCMP
- inmates of federal penitentiaries
- WCB claimants
what is the food and drugs act
- ensure products that affect human health are identified
- cannot make unsubstantiated claims about efficacy
- regulates production and distribution of many drugs
- ensure drugs cannot be marketed without NOC (notice of compliance) and DIN (drug identification number)
food and drugs act schedules
- schedule a - diseases and health. conditions where unsubstantiated advertising claims relate to
- schedule b - list of standards for identification and classification of drugs
- schedule c - radiopharmaceuticals
- schedule d - substances derived from humans, animals or microorganisms
- schedule f - prescription drugs
- schedule g - controlled drugs
- schedule j - restricted drugs
what is a drug identification number (DIN)
- assigned to a brand name, generic, or OTC product to identify the manufacturer, drug, and packaging size
issues in administration of controlled substances
- narcotics are stored in a locked cabinet
- keys are issued according to unit policy
- drug counts are performed at change of shift
- discrepancies are reported immediately
- special records are required each time a narcotic is dispensed
what is the controlled drugs and substances act
- controls the purchase and use of substances that are dangerous to the public (narcotics, street drugs, benzodiazepines)
how are the controlled drugs and substances classified
- into 8 schedules
- schedule I - narcotics
- schedule II - cannabis
- schedule III - amphetamines
- schedule IV - barb, benzo
- schedule V - propylhexedrine
- schedule VI - precursors to make controlled substances
- schedule VII - cannabis >3 kg (trafficking)
- schedule VIII - cannabis <30 g (resin < 1kg) = possession
what is NAPRA
- national association of pharmacy regulatory authorities
- goal is to develop national consistency
- what drugs go on what schedules
- how various prescriptive issues handles
what are the national drug schedules (NAPRA schedule)
- harmonization of drug classification
- 4 schedules:
- schedule I - prescription products
- schedule II - non patient access products
- schedule III - patient self-selection area with pharmacist intervention
- schedule IV - unscheduled; for any sale in any establishment
what are the 3 provincial acts
- pharmacy act
- medical act
- health professions act
why don’t we see drugs advertised on canadian television
- health canada prohibits advertising to the general public of any food, drug, cosmetic or device for the treatment or cure of any diseases listed on schedule A
why do we ban the advertisement of drugs in canada
- prevent fraud
- prohibit advertising for cures where no cures exist
- prohibit advertising of self-treatments when self-treatments aren’t safe
- encourage people to seek medical attention
how long does it take to develop a new drug
- 1 in 10,000 drugs will be approved for sale
- developing a new drug is a 10-15 year, $1 billion effort
- extended patents allow drug companies to recoup these costs
- benefits greater than risks
- regulated by therapeutic products directorate (TPD) of health canada (health protection branch = HPB)
- first ensure drugs are safe and effective
what must go on a drug label
- Pr symbol
- DIN
- manufacturer
- strength
- generic name and drug form
- lot and expiration
- active ingredients and their strength
- drug facts
- required on all OTC drug package labels
- help consumer understand how to use product
what must be in each prescription product packaging for pharmacists
- HPB requires manufacturers to provide scientific information to pharmacists in the form of a product package insert (PPI) for all prescription drugs
what is the drug recall process
- process of withdrawing a drug from the market by health canada or the drug manufacturer for the serious adverse effects or other defects in the product
- health canada may issue a drug recall when the risk outweighs the perceived benefit, or a manufacturer may voluntarily withdraw a drug because of future liability concerns
what are generics
- once a brand name drug is off patent, generic versions can be produced
- generic drug applications are abbreviated:
- do not require preclinical or clinical data
- must instead prove that the generic is bioequivalent to the brand name drug