quantification of medicines needs1
TRANSCRIPT
Concepts of Essential Medicines
DR. THIDA HLADeputy Director (Medical Care)
Project ManagerMyanmar Essential Medicines
ProjectDepartment of Health
Misleading beliefs towards Essential Medicines
• Cheap medicines• Medicines for health center• Medicines for poor people• Medicines for paramedics• Medicines for general practitioners• Medicines for mild diseases, they do not work for severe diseases.• Etc.?
Essential Medicines
(WHO Definition)
Essential Medicines are "those that
satisfy the priority health care needs of the
majority of the population".
Therefore should be available at all times, in adequate amounts, in appro- priate dosage forms and at a price that the individual and the community can afford.
Concepts of Essential Medicines
1. Access- equitable availability and affordability of essential medicines
2. Quality- the quality, safety and efficacy of all medicines
3. Rational Use of Medicines
Use of a limited number of carefully
selected medicines based on agreed clinical
guidelines leads to a better supply of
medicines, to more rational prescribing and to
lower costs.
Essential Medicines which are selected on
the basis of safe and cost-effective clinical
guidelines, give better quality of care and better
value for money.
The procurement of fewer items in larger
quantities results in more price competition and
economics of scale.
Quantification of medicines needs
Why we need to quantify the medicines
need?• Armament in health services
• Available of good quality, safe and less expensive medicines all the time
• Part of a sequence of inter- dependent steps in the medicines supply management system
Effective Medicines Supply Management
• Main components areSelectionQuantificationProcurement DistributionUse
Quantification
• Imbalance in quantification could lead to –High inventory–Stock outs
• Stock outs lead to –Local purchases–Poor image of the facility
Methods of quantification
1. The patient morbidity-standard treatment method(morbidity method)
2. The adjusted consumption method
(consumption method)
Comparisons of Two Methods
Method
Advantages Disadvantages
Consu- mption
-Morbidity data not required
-Requires less detailed calculations
-Difficult to review prescribing habits
-Difficult to get consumption data for new facilities
Comparisons of Two Methods
Method
Advantages Disadvantages
Consu- mption
-Good for hospitals (because Treatment is more complex)
-Does not encourage good morbidity recording
Comparisons of Two Methods(cont’d)
Method
Advantages Disadvantages
Consu- mption
-Reliable if consumption is well recorded and stable
-Unreliable if there have been long stock-outs
Comparisons of Two Methods
Method
Advantages Disadvantages
Morbi-dity
-Consumption data not required
-Good for new services
-More detailed calculation required
-Morbidity/STG required
Comparisons of Two Methods
Method
Advantages Disadvantages
Morbi-dity
-Based on rational prescribing
-Motivate morbidity recording
-Results may differ from actual supply
-Estimate only the quantities needed to dispense to patients
The patient morbidity – Standard treatment
method
• This method starts from two sets of data:The number of episodes of
each health problem treated by the type or types of facilities
Standard treatment schedules agreed for each health problem
Quantity of drug specified for a standard course of treatment
No. of treatment episodes of the health problem
Total quantity of a drug required for a given health problem
X =
This calculation is repeated for each health problem and its
corresponding drugs
• Calculate the quantity of each drug required in the next procurement period
• Adjust for expected changes in consumption pattern
• Adjust for losses• Compile decentralized
quantifications (if applicable)• Estimate costs for each drug and
total costs• Compare total costs with budget and
make adjustments
Calculate the consumption of each drug
Opening Stock
Drugs Received
Closing stock
Consumption
+= -
Adjust for avoidable wastage and losses
• Drugs destroyed by damp, time expired, batch seized for poor quality, unaccounted
• Should not exceed 5-10% in a well run pharmacy or store
Avoidable wastage
-Recorded consumption
=Consumption adjusted for avoidable wastage
Estimating the safety stock
• Safety stock is the quantity of stock used on average during the average lead time from the current supplier.
For calculation:SS = LT X CA
Where SS=Safety stock
LT=Lead Time
CA=Average Consumption