Health care policy and its tools – drug policy Introduction to pharmacoeconomic: structures of economic evaluations Pharmacoeconomic methods and its principles SYLLABUS of 5th LECTURE 18. 11. 2019 PharmDr. Bc. Dana Mazankova, Ph.D. Drug policy and its tools 1. Finances allocating (cash flow allocating) 2. „Fellowship“ of patient / participating of patient 3. Support of effective drug using A DRUG POLICY is the policy, usually of a government, regarding the control and regulation of drugs consumption by a population, using following tools: 1. Finances allocating (cash flow allocating) Primary care physicians: Finantial limits per patient Secundary care physicians: Finantial limits per service Tertiary care (hospitals): Fixed finantial limits Finantial limits per diagnosis Primary, secundary and tertiary care physicians: Specialization limitations for drugs prescription - limits (physician`s specialization) are defined in Drug Tariff Indication limitations for drugs prescription - limits (patient`s indication) are defined in Drug Tariff - in some drugs: Dual reimbursement (according to patient`s defined indications) 2. „Fellowship“ / participating of patient Primary care – pharmacies: Assesment of drug reimbursement 1.covered drugs 2.non-covered drugs Switching Category Rx - drug is safe (no risk of abuse - drug is long period on the market - suitable dosage form and dosing for self medication by patient - drug indication suitable for self medication by patient Category OTC (Over The Counter Drugs) Fee for prescription – in a physician Fee for prescription – in a pharmacy - fee for prescription - fee for every prescribed drug on prescription 3. Support of effective using of drugs Generic prescription - INN name (international non-proprietary name) Generic substitution Pharmacoeconomic evaluation Generic drugs - copies of brand-name drugs - the same in: 1. dosage form 2. safety 3. strength 4. route of administration 5. quality 6. intended use Perspective of patient: Therapeutical equivalence Demonstration of biological ekvivalence of generic drug: - farmakokinetic parameters - AUC - cmax - tmax Reciprocal convertibility of brand-name drug and generic drug Generic substitution = substitution of a prescribed branded drug by a different form of the same active substance (generic drug) Generic substitution is not recommended in 1. Aspect of active substance - Active substances with narrow therapeutic index - Active substances with non-linear kinetic - Active substances with poor solubility - Drugs with more active substances - Drugs with active substance, that has more indications 2. Aspect of dosage form - Solutions and powders for dosage inhalators - Topic dosage forms with high effective substances - Released dosage forms 3. Aspect of patient - Hypersensitive patient - Patients with diabetes mellitus - Asthmatic patients - Depression or psychosis patients - Patients after organ transplantation - Polymorbid and geriatric patients Pharmacoeconomic evaluation Pharmacoeconomic research is used to: - identify, measure and compare - costs, risks and benefits of programs, health care services or therapies - and determine, which alternative produces the best health outcomes Criteria for selecting suitable pharmacoeconomic method Research Question Appropriate method Outcomes measure Interpreting study results Similar therapies Cost minimization analysis (CMA) Equal Choose program with lowest cost Different therapies Cost-benefit analysis (CBA) Finantial Benefit-to-cost ratio of greater than 1.0 Different therapies resulting in clinical comparable patient outcomes Cost-effectiveness analysis (CEA) Non-finantial Lowest cost per unit of effectiveness Similar therapies affecting quality of life Cost utility analysis (CUA) QALYs Lowest cost per unit „QALY“ Cost minimization analysis (CMA) - Inputs (costs): monetary units - Outputs: no measure (assumed to be equal) - use when otcomes (benefits) of two or more alteranatives are same (equal) Cost-benefit analysis (CBA) - Inputs (costs): monetary units - Outputs: monetary units - for comparison of costs and benefits of program or treatment alternative (alteranatives are not equal) - costs and benefits are expressed as a ratio (benefit-to-cost ratio) • B:C ratio > 1: program or treatment is of value • B:C ratio equals 1: benefits equal the costs • B:C ratio < 1: program or treatment is not economically beneficial Cost-effectiveness analysis (CEA) - Inputs (costs): monetary units - Outputs: natural clinical units - where outcomes are one-dimensional: - physical units - natural units - Equivalence principle - equivalent:  10 years of life saved for 1 patient = 1 year of life saved for 10 patients (mesure outcome: number of years of life saved)  1 year of life saved for patient with hypertension = 1 year of life saved for patient with cancer (mesure outcome: number of years of life saved) - results of CEA are expressed as a 2 ratios: 1. average cost-effectiveness ratio (ACER) - total cost of treatment alternative divided by its clinical outcome (effectiveness) ACER = health care costs (€) clinical outcome (not in €) 2. incremental cost-effectiveness ratio (ICER) - additional cost and additional effectiveness gained when one treatment alternative (alterantive A) is compared with the next best treatment alternative (alterantive B) ICER = health care cost A (€) – health care cost B (€) effect A (%) – effect B (%) Cost utility analysis (CUA) - Inputs (costs): monetary units - Outputs: Quality of life - if we want to include a measure of patient preference or quality of life when comparing competing treatment alternatives Measure outcomes: 1. QALY (Quality-Adjusted Life Years) quality ratio (scale) 2. HYE (Health-Year Eqivalent) 3. DALE (Disability-Adjusted Life Expectancy) 4. Willigness to pay