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ICH guidelines
1. Prpared By
Vinayak R Bodhankar
M. Pharm F.y (Sem – I)
P’ceutical Quality Assurance
Roll no. : 01
Guided by
Dr. P. N. Kendre
Sanjivani College of Pharmaceutical Education & Research,
Kopargaon
3. ICH stands for International Conference On
Harmonization.(Technical requirement for
registration of pharmaceuticals for human use)
ICH is a joint initiative involving both regulators
and research based industry representative of
EU, Japan and US in scientific and technical
aspect of testing procedure required to access
and ensure safety, quality, and efficacy of the
medicines.
4. ICH is comprised from the six cosponsoring parties as well as
three observers & IFPMA (International Federation of
Pharmaceuticals Manufacturers Associations)
Japan : MHW (Ministry of Health & Family Welfare)
: JPMA (Japan Pharmaceutical Manufacturers
Association)
Europe : EC (European Commission)
: EFPIA (European Federation of Pharmaceutical
Industries Associations)
USA : FDA
: PhRMA (Pharmaceutical Research & Manufacturers of
America)
5. WHO (World Health Organization)
Canada
EFTA (European Free Trade Associations)
6. ICH guidelines are divided into four major
categories :
1. Q (Quality) : those relating to chemical &
pharmaceutical quality.
2. S (Safety) : those relating to in vivo & in vitro
pre clinical studies.
3. E (Efficacy) : those relating to clinical studies
in human subjects.
4. M (Multidisciplinary topics )
8. It is a set of five guidelines. (Q1A to Q1F)
Q1A (R2) : Stability testing of New drug substances
and products. Feb 2003
This is the guidance for analysis of the products in
different environmental conditions.
Zone Type of climate Storage
conditions
I Temperature 210 C 45%RH
II Subtropical &
mediterrean
250 C 60% RH
III Hot/Dry 300 C 35% RH
Iva Hot,/Humid
(Tropical)
300 C 65% RH
IVb Hot/ Higher
humidity
300 C 75% RH
9. Stability Testing : Photostability testing of New Drug
Substances & Products. Nov 1996
Photostability studies are conducted with objective that
light exposure does not leads to unacceptable changes
in the dosage form.
Photodegradation leads to changes in Physical
appearance as well as Chemical compostion.
Photodegradation may observed as Discoloration of the
products.
10. Stability Testing for New Dosage Forms. Nov 1996
This guideline extend the stability guidance for new
formulation of already approved medicines and defines the
circumstances under which reduced stability data is
accepted.
Q1 D
• Bracketing and Matrixing designs for stability testing of
New drug substances and Products.
Feb 2002
• Bracketing and Matrixing are the procedures used to
reduce the amount of stability testing required.
11. Bracketing : It is the design of stability schedule
such that only samples on the extremes of
certain design factors (e.g., strength, container
size) are tested at all time points as in a full
design.
Matrixing : it is the design of a stability schedule
such that a selected subset of the total number
of possible samples for all factor combinations
would be tested at a specified time points.
12. Bracketing on strength & container size
Strength 50 mg 75 mg 100 mg
Batch 1 2 3 1 2 3 1 2 3
Container
size
15 ml T T T T T T
100 ml
500 ml T T T T T T
o Example of Matrixing Design
• Two strength, matrixing on time point
Time points
(months)
0 3 6 9 12 18 2
4
36
S
T
R
E
N
G
T
H
S1 Batch1 T T T T T T
Batch2 T T T T T T
Batch3 T T T (T) T T T
S2 Batch1 T T T (T) T T T
Batch2 T T T T T T
Batch3 T T T T T T
T : Sample
tested
(T) : Sample
tested if full
shelf life data
will not be
available before
approval
13. Evaluation for Stability data. Feb 2003
This guidelines involving the methods used for
evaluating stability data found after analysis.
Regression Analysis is most commonly used method for
this purpose.
Q1 F
Stability data Package for Registration applications in
the climatic zone III and IV. Feb 2003
(Withdrawn in 8th june 2006)
14. Validation of Analytical Procedures : Text and Methodology
Oct 1994
Actual experimental data along with the statistical
interpretation is required for validation of analytical
procedures.
Four types of analytical procedures are used for Validation :
1. Identification test
2. Quantitative test for Impurity content
3. Limit test
4. Quantitative test for active moiety in the drug product
16. Impurities in New drug substances Oct 2006
This is the guidance addresses the chemistry and safety
aspect of impurities and defines the threshold for
reporting, identification and qualification.
Classification of Impurities :
1. Organic Impurities : Starting materials,
reactions by products, etc.
2. Inorganic Impurities : Reagents, catalyst, Heavy
metals, etc.
3. Residual Solvents
17. Identification threshold : A limit above which a
degradation product should be identified.
Qualification threshold : A limit above which a
degradation product should be qualified.
Reporting threshold : A limit above which a degradation
product should be reported.
18. Reporting threshold
Maximum daily dose Threshold
≤ 1 g 0.1 %
> 1 g 0.005 %
Identification threshold
Maximum daily dose Threshold
< 1 mg 1.0 % or 5µg TDI, whichever is lower
1mg – 10 mg 0.5 % or 20µg TDI, whichever is lower
>10 mg – 2 g 0.2 % or 2mg TDI, whichever is lower
Qualification threshold
Maximum daily dose Threshold
< 10 mg 1.0 % or 50 µg TDI, whichever is lower
10 mg – 100 mg 0.5 % or 200 µg TDI, whichever is lower
>100 mg – 2 g 0.2 % or 3 mg TDI, whichever is lower
> 2 g 0.15 %
19. a) Identification threshold
(0.10% 1.0 mg per day intake whichever is lower)
750 mg -------- 100 %
X mg -------- 0.10 %
Impurity % in mg (X) = 750*0.10/100 = 0.75 mg
0.75 mg is lower than 1.0 mg,
Identification threshold is 0.10%
b) Qualification threshold
(0.15% or 1.0mg per day intake whichever is lower)
750 mg --------- 100 %
X mg --------- 0.15 %
X = 750*0.15/100 = 1.125 mg (which is greater than 1mg)
So calculate as per 1.0 mg
X = 100*0.1/750 = 0.13 %
The qualification threshold is 0.13 %
20. Impurities in New drug products. Jun 2006
These are the guidelines on impurities in new drug
products and advice in regards to impurities in product
containing new or chemically synthesized drug
substances.
21. Impurities : Guidelines for residual solvents. Feb 2011
Classification of Residual solvents :
Class – I : Solvents to be avoided
e.g Benzene, Carbon tetrachloride
Class – II : Solvents to be limited
e.g Chloroform, methanol
Class – III : Solvents with low toxic potential to man
e.g Acetone, butanol, ethanol
22. Guidelines for Elemental Impurities. Dec 2014
Objective of these guidelines is to limit the
metal impurities in the drug products.
23. ICH guidelines Index
http://www.ich.org
Guidance for Industry Q3B (R2) impurities in
new drug products U.S department of Health
and human services.
ICH Quality Guidelines: An Implementation
Guide by Andrew Teasdale David Elder Raymond
W. Nims Pages (1-280)