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EVALUATION OF
PARENTERALS
QUALITY CONTROL TEST
Conductivity
measurement

Volume filled

Temperature
for heat
sterilised
product 
Enviromental
control test 
Osmolarity 
pH
measurement
Environment control
Personnel should be permitted into aseptic area only after following rigid
prescribed procedure.
Surface disinfection personnel – •
Must be inherently neat,orderly,reliable .
• Should be in good health. 
Air control (HEPA filters) •
It is 99.97 % efficient removes particles of 0.3μ size and larger.
• Velocity – 100 + 20 fit/min.
FINISHED PRODUCT QUALITY
CONTROL TEST
Content Uniformity Test
Leaker test
Pyrogen test
Sterility test
Particulate test
CONTENT UNIFORMITY TEST
 30 sterile units are selected from each batch.
 The weight of 10 individual sterile units is noted and the content is
removed from them and empty individual sterile unit is weighed
accurately again.
 Then net weight is calculated by subtracting empty sterile unit weight
form gross weight.
 The dose uniformity is met if the amount of active ingredient is within
the range of 85-115.0% of label claim.
Relative standard deviation is equal to or less than 6.0%
 If one unit is outside the range of 85-115.0%, and
none of the sterile unit is outside the range of 75-
125.0% or if the relative standard deviation of the
resultant is greater than 6.0% ,or if both condition
prevail, an additional 20 sterile unit should be tested.
 The sterile units meet the requirements if not more
than one unit is out side the range of 85-115%, no unit
is outside the range of 75-125.0% and the calculated
relative standard deviation is NMT 7.8%.
LEAKER TEST
Leaker test for ampoules is intended to
detect incompletely sealed ampoules so
that they can be discarded in order to
maintain sterile condition of the medicines.
Tip seals are more
likely to be
incompletely closed
than pull seals
Open capillaries or
cracks at the point
of seal result in
LEAKERS
The leaker test
The leaker test is performed by immersing the
ampoules in a dye solution, such as 1% Methylene
blue, and applying at least 25 inches of vaccum for a
minimum of 15 mins.
Detection of leaker is prominent when ampoules are
immersed in a bath of dye during autoclaving as this
has advantage of acomplishing both leaker detection
and sterilization in one operation.
PYROGEN TEST
The test involves measurement of the rise in body temperature
of rabbits following the IV injection of a sterile solution into
ear vein of rabbit.
 Dose not exceeding 10 ml per kg injected intravenously
within a period of not more than 10 mins
 Test animals: Use healthy, adult rabbits of either sex,
preferably of the same variety
 Recording of temperature: Clinical thermometer, thermistor
PRELIMINARY TEST(SHAM TEST)
If animals are used for the first time in a pyrogen test or have
not been used during the 2 previous weeks, condition them 1
to 3 days before testing the substance by injecting IV 10ml
per kg pyrogen free saline solution warmed to about 38.5°
Record the temperature of the animals,beginning at least 90
mins before injection and continuing for 3 hours after
injection.
Any animal showing a temperature variation of 0.6° or more
must not be used in main test
MAIN TEST
1. Carry out the test using a group of 3 rabbits.
2.Preparation of the sample: Dissolve the substance in,or
dilute with, pyrogen free saline solution.Warm the liquid to
approximately 38.5° before injection.
PROCEDURE
• Inject the solution under examination slowly into the
marginal veins of the ear of each rabbit over a period not
exceeding 4 mins.
• Record the temperature of each animal at half- hourly
intervals for 3 hours after injection.
• The difference between the initial temperature and the
maximum temperature which is the highest temperature
recorded for a rabbit is taken to be its response.
INTERPRETATION OF RESULT
No. of Rabbits Individual
Temperature rise
(°c)
Temperature rise
in groups (°c)
3 Rabbits Not > 0.6 Not > 1.4
Test Passes If above not passes
3+5 =8 rabbits
Passes
Not > 0.6 Not > 3.7
BACTERIAL ENDOTOXIN TEST [ BET]
measures the concentration of bacterial endotoxin
that may be present in the sample using a lysate
derived from the amoebocytes of the horseshoe
crab, Limulus polyphemus
The addition of a solution containing endotoxins to
a solution of a lysate produces turbidity,
precipitation or gelation of the mixture.
BACTERIAL ENDOTOXIN TEST [ BET]
Gel clot limit test method
Preparation of test solution
Preparation of test solution by dissolving or diluting active
substances
Adjust the pH of test solution(about 6 to 8) pH adjust with use
of acid ,base, buffer
BACTERIAL ENDOTOXIN TEST [ BET]
Prepare a sample solution at any dilution at or below
Maximum Valid Dilution
Use water bacterial endotoxin as –ve control and 2
positive control
One of the +ve control consist of the control standard
endotoxin at a conc. Of 2λ
Other consist of test solution spiked with control
standard endotoxin to give a conc. Of 2λ (ppc)
Sterility test
• It is a method carried out to detect confirm absence of any viable form of microbes in
product.
• The method used for sterility tests are a. Direct transfer method
• b. Membrane filtration method.
• Direct transfer method: Open each sample container and with draw the require
amount of the sample. Inject one-half of sample in a test tube containing fluid
Thioglycolate Medium (FTM). Inject another half in the test tube containing
Soyabean-casein digest Medium(SCM).
• Volume of the medium must be sufficient to promote and expedite microbial
growth.
• Adequate mixing between the sample inoculums and the culture medium must take
place to maximize interaction and facilitate microbial growth.
• If the product to be tested contains any anti-microbial agent, using suitable reagent
it should be neutralized before the test.
b. Membrane filtration method (MF)
• This method is employed in the following cases:
• 1. Oil & oily preparations
• 2. Alcoholic preparations
• 3. For preparations miscible with or soluble in aqueous or oily solvents.
The steps involved in MF sterility test method
are
• i). The filter unit must be properly assembled and sterilized prior to use.
• Ii). The contents are transferred to the filter assembly under strict aseptic
conditions.
• iii) The membrane is removed aseptically.
• iv). Membrane is cut in half.
• iv) One half is place in suitable volume of FTM and another in an equal
volume of SCM.
Interpretation of results
• i). If there is no visible evidence of microbial growth, it may be interpreted
that the sample is without intrinsic contamination and the product complies
the test for sterility.
• ii). If microbial growth is found, the product does not complies the test for
sterility and the sterility test may be repeated.

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EVALUATION OF PARENTERALS.pptx

  • 2. QUALITY CONTROL TEST Conductivity measurement  Volume filled  Temperature for heat sterilised product  Enviromental control test  Osmolarity  pH measurement
  • 3. Environment control Personnel should be permitted into aseptic area only after following rigid prescribed procedure. Surface disinfection personnel – • Must be inherently neat,orderly,reliable . • Should be in good health.  Air control (HEPA filters) • It is 99.97 % efficient removes particles of 0.3μ size and larger. • Velocity – 100 + 20 fit/min.
  • 4. FINISHED PRODUCT QUALITY CONTROL TEST Content Uniformity Test Leaker test Pyrogen test Sterility test Particulate test
  • 5. CONTENT UNIFORMITY TEST  30 sterile units are selected from each batch.  The weight of 10 individual sterile units is noted and the content is removed from them and empty individual sterile unit is weighed accurately again.  Then net weight is calculated by subtracting empty sterile unit weight form gross weight.  The dose uniformity is met if the amount of active ingredient is within the range of 85-115.0% of label claim.
  • 6. Relative standard deviation is equal to or less than 6.0%  If one unit is outside the range of 85-115.0%, and none of the sterile unit is outside the range of 75- 125.0% or if the relative standard deviation of the resultant is greater than 6.0% ,or if both condition prevail, an additional 20 sterile unit should be tested.  The sterile units meet the requirements if not more than one unit is out side the range of 85-115%, no unit is outside the range of 75-125.0% and the calculated relative standard deviation is NMT 7.8%.
  • 7. LEAKER TEST Leaker test for ampoules is intended to detect incompletely sealed ampoules so that they can be discarded in order to maintain sterile condition of the medicines. Tip seals are more likely to be incompletely closed than pull seals Open capillaries or cracks at the point of seal result in LEAKERS
  • 8. The leaker test The leaker test is performed by immersing the ampoules in a dye solution, such as 1% Methylene blue, and applying at least 25 inches of vaccum for a minimum of 15 mins. Detection of leaker is prominent when ampoules are immersed in a bath of dye during autoclaving as this has advantage of acomplishing both leaker detection and sterilization in one operation.
  • 9. PYROGEN TEST The test involves measurement of the rise in body temperature of rabbits following the IV injection of a sterile solution into ear vein of rabbit.  Dose not exceeding 10 ml per kg injected intravenously within a period of not more than 10 mins  Test animals: Use healthy, adult rabbits of either sex, preferably of the same variety  Recording of temperature: Clinical thermometer, thermistor
  • 10. PRELIMINARY TEST(SHAM TEST) If animals are used for the first time in a pyrogen test or have not been used during the 2 previous weeks, condition them 1 to 3 days before testing the substance by injecting IV 10ml per kg pyrogen free saline solution warmed to about 38.5° Record the temperature of the animals,beginning at least 90 mins before injection and continuing for 3 hours after injection. Any animal showing a temperature variation of 0.6° or more must not be used in main test
  • 11. MAIN TEST 1. Carry out the test using a group of 3 rabbits. 2.Preparation of the sample: Dissolve the substance in,or dilute with, pyrogen free saline solution.Warm the liquid to approximately 38.5° before injection.
  • 12. PROCEDURE • Inject the solution under examination slowly into the marginal veins of the ear of each rabbit over a period not exceeding 4 mins. • Record the temperature of each animal at half- hourly intervals for 3 hours after injection. • The difference between the initial temperature and the maximum temperature which is the highest temperature recorded for a rabbit is taken to be its response.
  • 13. INTERPRETATION OF RESULT No. of Rabbits Individual Temperature rise (°c) Temperature rise in groups (°c) 3 Rabbits Not > 0.6 Not > 1.4 Test Passes If above not passes 3+5 =8 rabbits Passes Not > 0.6 Not > 3.7
  • 14. BACTERIAL ENDOTOXIN TEST [ BET] measures the concentration of bacterial endotoxin that may be present in the sample using a lysate derived from the amoebocytes of the horseshoe crab, Limulus polyphemus The addition of a solution containing endotoxins to a solution of a lysate produces turbidity, precipitation or gelation of the mixture.
  • 15. BACTERIAL ENDOTOXIN TEST [ BET] Gel clot limit test method Preparation of test solution Preparation of test solution by dissolving or diluting active substances Adjust the pH of test solution(about 6 to 8) pH adjust with use of acid ,base, buffer
  • 16. BACTERIAL ENDOTOXIN TEST [ BET] Prepare a sample solution at any dilution at or below Maximum Valid Dilution Use water bacterial endotoxin as –ve control and 2 positive control One of the +ve control consist of the control standard endotoxin at a conc. Of 2λ Other consist of test solution spiked with control standard endotoxin to give a conc. Of 2λ (ppc)
  • 17. Sterility test • It is a method carried out to detect confirm absence of any viable form of microbes in product. • The method used for sterility tests are a. Direct transfer method • b. Membrane filtration method.
  • 18. • Direct transfer method: Open each sample container and with draw the require amount of the sample. Inject one-half of sample in a test tube containing fluid Thioglycolate Medium (FTM). Inject another half in the test tube containing Soyabean-casein digest Medium(SCM). • Volume of the medium must be sufficient to promote and expedite microbial growth. • Adequate mixing between the sample inoculums and the culture medium must take place to maximize interaction and facilitate microbial growth. • If the product to be tested contains any anti-microbial agent, using suitable reagent it should be neutralized before the test.
  • 19. b. Membrane filtration method (MF) • This method is employed in the following cases: • 1. Oil & oily preparations • 2. Alcoholic preparations • 3. For preparations miscible with or soluble in aqueous or oily solvents.
  • 20. The steps involved in MF sterility test method are • i). The filter unit must be properly assembled and sterilized prior to use. • Ii). The contents are transferred to the filter assembly under strict aseptic conditions. • iii) The membrane is removed aseptically. • iv). Membrane is cut in half. • iv) One half is place in suitable volume of FTM and another in an equal volume of SCM.
  • 21. Interpretation of results • i). If there is no visible evidence of microbial growth, it may be interpreted that the sample is without intrinsic contamination and the product complies the test for sterility. • ii). If microbial growth is found, the product does not complies the test for sterility and the sterility test may be repeated.