 Introduction
 Analytical Quality by Design (AQbD)
 Implementation of AQbD- Practical
aspects
 Case study
 Conclusion
 References
Dept. of Quality Assurance, DLHHCOP 2
3Dept. of Quality Assurance, DLHHCOP
Introduction
Dept. of Quality Assurance, DLHHCOP 4
AQbD- Key components
 Role of analytical methods in drug developmentRole of analytical methods in drug development
processprocess
5Dept. of Quality Assurance, DLHHCOP
AQbD- Drug Development Process
Dept. of Quality Assurance, DLHHCOP 6
AQbD- Benefits
7Dept. of Quality Assurance, DLHHCOP
Traditional versus AQbD
Steps Synthetic development (QbD) Analytical development (AQbD)
1 QTPP identification ATP (Analytical Target
Profile) identification
2 CQA/CMA identification,
Risk Assessment
CQA identification, Initial
Risk Assessment
3 Define product design space
with DoE
Method Optimization and
development with DOE
4 Refine product design space MODR (Method Operable
Design Region)
5 Control Strategy with Risk
Assessment
Control Strategy with Risk
Assessment
6 Process validation AQbD Method Validation
7 Continuous process Monitoring Continuous process Monitoring
 QbD tools for synthetic development and analytical development.
8Dept. of Quality Assurance, DLHHCOP
Traditional versus AQbD
9Dept. of Quality Assurance, DLHHCOP
AQbD Workflow
 Analytical Target Profile (ATP)
 Analytical Method Performance Characteristics
S. No. Method performance
characteristics
Defined by ICH and
USP
1 Accuracy, specificity, and
linearity
Systematic variability
2 Precision, detection limit, and
quantification limit
Inherent random variability
3 Range and robustness Not applicable
10Dept. of Quality Assurance, DLHHCOP
AQbD Practical Aspects
 Selection of Analytical Techniques
 Risk Assessment
 Design of Experiments (DoE)
› Screening
› Optimization
› Selection of DOE Tools
› Method Operable Design Region (MODR) and Surface Plots
› Model Validation
Risk factor = Severity × Occurrence × Detestability
11Dept. of Quality Assurance, DLHHCOP
AQbD Practical Aspects
 Design of Experiments (DoE)
› Screening, Optimization and Selection of DoE tools
Design Number of variables
and usage
Advantage Disadvantage
Full factorial
design
Optimization/2–5 variables Identifying the main and
interaction effect without
any confounding
Experimental runs
increase with increase in
number of variables
Fractional factorial
design or Taguchi
methods
Optimization/and screening
variables
Requiring lower number
of experimental runs
Resolving confounding
effects of interactions is a
difficult job
Plackett-Burman
method
Screening/or identifying vital
few factors from large number
of variables
Requiring very few runs
for large number of
variables
It does not reveal
interaction effect
Pseudo-Monte Carlo
sampling
(pseudorandom
sampling) method
Quantitative risk
analysis/optimization
Behaviour and changes to
the model can be
investigated with great
ease and speed. This is
preferred where exact
calculation is possible
For nonconvex design
spaces, this method of
sampling can be more
difficult to employ.
Random numbers that
can be produced from a
random number
generating algorithm
Full factorial
design
Optimization/ 2–5 variables Identifying the main and
interaction effect without
any confounding
Experimental runs
increase with increase in
number of variables
12Dept. of Quality Assurance, DLHHCOP
AQbD Practical Aspects
› Method Operable Design Region (MODR) and Surface Plot
› Model Validation
Contour plot for MODR
Systematic simulation graph for
retention time (X2-axis) as method
response at constant X3 (0.8 
mL/min as flow rate) with change
in pH (X1--axis).
(Graph shows significant
correlation between the
predicted retention time and
actual (experimental)
retention time with good
correlation coefficient.
13Dept. of Quality Assurance, DLHHCOP
Method Operable Design Region (MODR) and Surface Plot Model Validation
AQbD Practical Aspects
 Method Verification/Validation
 Control Strategy- Continuous Method Monitoring
14Dept. of Quality Assurance, DLHHCOP
AQbD Practical Aspects
S.
No.
Pharmaceutic
al testing
Control strategy
1 Raw material
testing
Specification based on product QTPP and CQA
Effects of variability, including supplier variations,
on process and method development are
understood
2 In-process
testing
Real time (at-, on-, or in-line) measurements
Active control of process to minimize product
variation Criteria based on multivariate process
understanding
3 Release
testing
Quality attributes predictable from process inputs
(design space)Specification is only part of the
quality control strategy
Specification based on patient needs (quality,
safety, efficacy, and performance)
4 Stability
testing
Predictive models at release minimize stability
failures
Specification set on desired product performance
with time
Real-time Blend
Uniformity by
using
TruProcess™
Analyzer
15Dept. of Quality Assurance, DLHHCOP
PAT and AQbD
Analytical Quality by Design Approach in RP-HPLC Method
Development for the Assay of Etofenamate in Dosage
Forms
Step 1: Target measurement
16Dept. of Quality Assurance, DLHHCOP
AQbD- Case Study
Step 2: DoE:Design of Experiment
(Method Optimization and Development)
17Dept. of Quality Assurance, DLHHCOP
Experimental Design
AQbD- Case Study
Step 3: Method Operable Design Region
pH of aqueous phase versus % of aqueous phase contour at
1.2ml/min flow rate of mobile phase
18Dept. of Quality Assurance, DLHHCOP
AQbD- Case Study
Quadratic model was obtained on application of
SigmaTech software with the polynomial equation:
Y=5.8778-0.0025X1+2.9925X2–0.8088X3–0.4925X1X2
0.075X1X3-0.125X2X3+0.1178X12 +1.1803X22+0.2768X32
19Dept. of Quality Assurance, DLHHCOP
Step 4: DoE: Model validation using regression analysis
Developed
Chromatogram
AQbD- Case Study
20Dept. of Quality Assurance, DLHHCOP
Step 5: : Method validation
AQbD- Case Study
 In a nutshell……
Parameter Traditional Product QbD AQbD
Approach Based on empirical
approach
Based on systematic approach Based on systematic
approach
Quality Quality is assured by end
product testing
Quality is built in the product
and process by design and
scientific approach
Robustness and
reproducibility of the
method built in method
development stage
FDA submission Including only data for
submission
Submission with product
knowledge and process
understanding
Submission with product
knowledge and assuring
by analytical target
profile
Specifications Specifications are based
on batch history
Specifications are based on
product performance
requirements
Based on method
performance to ATP
criteria
Process Process is frozen and
discourages changes
Flexible process with design
space allows continuous
improvement
Method flexibility with
MODR and allowing
continuous improvement
Targeted response Focusing on
reproducibility, ignoring
variation
Focusing on robustness which
understands control variation
Focus on robust and cost
effective method
Advantage Limited and simple It is expended process
analytical technology (PAT)
tool that replaces the need for
end product testing
Replacing the need of
revalidation and
minimizing OOT and OOS
21Dept. of Quality Assurance, DLHHCOP
AQbD- Summary
Dept. of Quality Assurance, DLHHCOP 22
%ofresearch
AQbD- Summary
 AQbD requires the right ATP and Risk
Assessment and usage of right tools and
performing the appropriate quantity of
work within proper timelines.
‘RIGHT ANALYTICS AT THE RIGHT TIME’
23Dept. of Quality Assurance, DLHHCOP
AQbD- Conclusion
 Raman, N. V. V. S. S.; Mallu, U. R.; Bapatu, H. R. J. Chem.2014, 2015 (1), 8.
 Torbeck L. D.J. Pharm.Tech.35 (10), 2011,46–47
 ICH Harmon. Tripart. Guidel. 2009, 8 (August), 1–28.
 Jackson, P. 2013, Technical note,
http://www.gmpcompliance.org/daten/training/ECA_QbD_in_Analysis_2013 (accessed
Oct 23, 2016).
 Warf S. F. 2013, Conference note; http:// www.ISPE.org/2013QbDConference (accessed
Oct 23, 2016).
 Jadhav, M. L.; Tambe, S. R. Chromatogr. Res. Int. 2013, 2013 (2), 1–9.
 Borman, P.; Roberts, J.; Jones, C.; Hanna-Brown, M.; Szucs, R.; Bale, nd S. 2010, 2 (7), 2–4.
 Hanna-brown, M.; Borman, P.; Bale, S.; Szucs, R. Sep. Sci. 2010, 2, 12–20.
 Nethercote P.; Borman P.; Bennett T.; Martin G.; McGregor P. 2010, 1–9.
 Vogt, F. G.; Kord, A. S. Pharm. Sci. 2011, 100 (3), 797–812.
 Bhatt, D. A.; Rane, S. I. Int. J. Pharm. Pharm. Sci. 2011, 3 (1), 179–187.
 Swartz, M.; Lukulay, P. H.; Krull, I.; Joseph, T. LCGC North Am. 2008, 26 (12), 1190–1197.
 Meyer, C.; Soldo,T.; Kettenring, U. Chim. Int. J. Chem. 2010, 64 (11), 825–825.
 McBrien, M. A.; Ling, S.. The Column 2011, 7 (5), 16–20.
 Molnár, I.; Rieger, H. J.; Monks, K. E. J. Chromatogr. A 2010, 1217 (19), 3193–3200.
 Karmarkar, S.; Garber, R.; Genchanok, Y.; George, S.; Yang, X.; Hammond, R. J.
Chromatogr. Sci. 2011, 49 (6), 439–446..
 Monks, K. E.; Rieger, H.-J.; Molnár, I. J. Pharm. Biomed. Anal. 2011, 56 (5), 874–879.
 Reid G. L., Cheng G., Fortin et al D. T. J. Liq. Chromatogr. Relat. Tecnhologies 2013, 36
(18), 2612–2638.
Dept. of Quality Assurance, DLHHCOP 24
References
 Monks, K.; Molnár, I.; Rieger, H. J.; Bogáti, B.; Szabó, E. J. Chromatogr. A 2012, 1232, 218–230.
 Orlandini, S.; Pinzauti, S.; Furlanetto, S. Anal. Bioanal. Chem. 2013, 405 (2–3), 443–450.
 Musters, J.; Van Den Bos, L.; Kellenbach, E. Org. Process Res. Dev. 2013, 17 (1), 87–96.
 Xavier, C. M.; Basavaiah, K.; Vinay, K. B.; Swamy, N. ISRN Chromatogr. 2013, 2013, 1–10..
 Xavier, C. M.; Basavaiah, K.; Xavier, C. M.; Basavaiah, K. ISRN Chromatogr. 2012, 2012, 1–11.
 Dasare, P.
http://sspcmsn.org/yahoo_site_admin/assets/docs/Analytical_approach_in_QbD_SSPC.4416180
8.pdf (accessed on Oct 26, 2016).
 Chatterjee, S. IFPAC Annu. Meet.2013
 Morgado, J.; Barnett, K.; Ph, D.; Harrington, B.; Wang, J.; Ph, D.; Harwood, J. 2013, 2, 1–14.
 Elder, D.; Borman, P. Pharm. Outsourcing 2013.
 Zlota, A. A.; Zlota, T.; Llc, C. 2014..
 ASME. 2010, https://www.asme.org/products/codesstandards/b89731-2001guidelines decision-
rules-considering (accessed on Oct 26, 2016).
 Guide, C.; Edition, F. Interpret. A J. Bible Theol. 2007, 18.
 Burnett K. L., Harrington B., and Graul T. W. 2013.
 Jadhav, M. L.; Tambe, S. R. Chromatogr. Res. Int. 2013, 2013, 1–9.
 ICH Expert Working Group. ICH Harmon. Tripart. Guidel. 2005, No. November, 1–23.
http://www.ssciinc.com/DrugSubstance/PATandPharmaceuticalQualityByDesign/
tabid/86/Default.aspx (accessed on Oct 26, 2016).
 Patel, G. M.; Shelat, P. K.; Lalwani, A. N. Eur. J. Pharm. Sci.2016.
 Li, Y.; Liu, D. Q.; Yang, S.; Sudini, R.; McGuire, M. A.; Bhanushali, D. S.; Kord, A. S. J. Pharm.
Biomed. Anal.2010, 52 (4), 493–507.
Dept. of Quality Assurance, DLHHCOP 25
References
26Dept. of Quality Assurance, DLHHCOP

Analytical QbD

  • 2.
     Introduction  AnalyticalQuality by Design (AQbD)  Implementation of AQbD- Practical aspects  Case study  Conclusion  References Dept. of Quality Assurance, DLHHCOP 2
  • 3.
    3Dept. of QualityAssurance, DLHHCOP Introduction
  • 4.
    Dept. of QualityAssurance, DLHHCOP 4 AQbD- Key components
  • 5.
     Role ofanalytical methods in drug developmentRole of analytical methods in drug development processprocess 5Dept. of Quality Assurance, DLHHCOP AQbD- Drug Development Process
  • 6.
    Dept. of QualityAssurance, DLHHCOP 6 AQbD- Benefits
  • 7.
    7Dept. of QualityAssurance, DLHHCOP Traditional versus AQbD
  • 8.
    Steps Synthetic development(QbD) Analytical development (AQbD) 1 QTPP identification ATP (Analytical Target Profile) identification 2 CQA/CMA identification, Risk Assessment CQA identification, Initial Risk Assessment 3 Define product design space with DoE Method Optimization and development with DOE 4 Refine product design space MODR (Method Operable Design Region) 5 Control Strategy with Risk Assessment Control Strategy with Risk Assessment 6 Process validation AQbD Method Validation 7 Continuous process Monitoring Continuous process Monitoring  QbD tools for synthetic development and analytical development. 8Dept. of Quality Assurance, DLHHCOP Traditional versus AQbD
  • 9.
    9Dept. of QualityAssurance, DLHHCOP AQbD Workflow
  • 10.
     Analytical TargetProfile (ATP)  Analytical Method Performance Characteristics S. No. Method performance characteristics Defined by ICH and USP 1 Accuracy, specificity, and linearity Systematic variability 2 Precision, detection limit, and quantification limit Inherent random variability 3 Range and robustness Not applicable 10Dept. of Quality Assurance, DLHHCOP AQbD Practical Aspects
  • 11.
     Selection ofAnalytical Techniques  Risk Assessment  Design of Experiments (DoE) › Screening › Optimization › Selection of DOE Tools › Method Operable Design Region (MODR) and Surface Plots › Model Validation Risk factor = Severity × Occurrence × Detestability 11Dept. of Quality Assurance, DLHHCOP AQbD Practical Aspects
  • 12.
     Design ofExperiments (DoE) › Screening, Optimization and Selection of DoE tools Design Number of variables and usage Advantage Disadvantage Full factorial design Optimization/2–5 variables Identifying the main and interaction effect without any confounding Experimental runs increase with increase in number of variables Fractional factorial design or Taguchi methods Optimization/and screening variables Requiring lower number of experimental runs Resolving confounding effects of interactions is a difficult job Plackett-Burman method Screening/or identifying vital few factors from large number of variables Requiring very few runs for large number of variables It does not reveal interaction effect Pseudo-Monte Carlo sampling (pseudorandom sampling) method Quantitative risk analysis/optimization Behaviour and changes to the model can be investigated with great ease and speed. This is preferred where exact calculation is possible For nonconvex design spaces, this method of sampling can be more difficult to employ. Random numbers that can be produced from a random number generating algorithm Full factorial design Optimization/ 2–5 variables Identifying the main and interaction effect without any confounding Experimental runs increase with increase in number of variables 12Dept. of Quality Assurance, DLHHCOP AQbD Practical Aspects
  • 13.
    › Method OperableDesign Region (MODR) and Surface Plot › Model Validation Contour plot for MODR Systematic simulation graph for retention time (X2-axis) as method response at constant X3 (0.8  mL/min as flow rate) with change in pH (X1--axis). (Graph shows significant correlation between the predicted retention time and actual (experimental) retention time with good correlation coefficient. 13Dept. of Quality Assurance, DLHHCOP Method Operable Design Region (MODR) and Surface Plot Model Validation AQbD Practical Aspects
  • 14.
     Method Verification/Validation Control Strategy- Continuous Method Monitoring 14Dept. of Quality Assurance, DLHHCOP AQbD Practical Aspects S. No. Pharmaceutic al testing Control strategy 1 Raw material testing Specification based on product QTPP and CQA Effects of variability, including supplier variations, on process and method development are understood 2 In-process testing Real time (at-, on-, or in-line) measurements Active control of process to minimize product variation Criteria based on multivariate process understanding 3 Release testing Quality attributes predictable from process inputs (design space)Specification is only part of the quality control strategy Specification based on patient needs (quality, safety, efficacy, and performance) 4 Stability testing Predictive models at release minimize stability failures Specification set on desired product performance with time
  • 15.
  • 16.
    Analytical Quality byDesign Approach in RP-HPLC Method Development for the Assay of Etofenamate in Dosage Forms Step 1: Target measurement 16Dept. of Quality Assurance, DLHHCOP AQbD- Case Study
  • 17.
    Step 2: DoE:Designof Experiment (Method Optimization and Development) 17Dept. of Quality Assurance, DLHHCOP Experimental Design AQbD- Case Study
  • 18.
    Step 3: MethodOperable Design Region pH of aqueous phase versus % of aqueous phase contour at 1.2ml/min flow rate of mobile phase 18Dept. of Quality Assurance, DLHHCOP AQbD- Case Study
  • 19.
    Quadratic model wasobtained on application of SigmaTech software with the polynomial equation: Y=5.8778-0.0025X1+2.9925X2–0.8088X3–0.4925X1X2 0.075X1X3-0.125X2X3+0.1178X12 +1.1803X22+0.2768X32 19Dept. of Quality Assurance, DLHHCOP Step 4: DoE: Model validation using regression analysis Developed Chromatogram AQbD- Case Study
  • 20.
    20Dept. of QualityAssurance, DLHHCOP Step 5: : Method validation AQbD- Case Study
  • 21.
     In anutshell…… Parameter Traditional Product QbD AQbD Approach Based on empirical approach Based on systematic approach Based on systematic approach Quality Quality is assured by end product testing Quality is built in the product and process by design and scientific approach Robustness and reproducibility of the method built in method development stage FDA submission Including only data for submission Submission with product knowledge and process understanding Submission with product knowledge and assuring by analytical target profile Specifications Specifications are based on batch history Specifications are based on product performance requirements Based on method performance to ATP criteria Process Process is frozen and discourages changes Flexible process with design space allows continuous improvement Method flexibility with MODR and allowing continuous improvement Targeted response Focusing on reproducibility, ignoring variation Focusing on robustness which understands control variation Focus on robust and cost effective method Advantage Limited and simple It is expended process analytical technology (PAT) tool that replaces the need for end product testing Replacing the need of revalidation and minimizing OOT and OOS 21Dept. of Quality Assurance, DLHHCOP AQbD- Summary
  • 22.
    Dept. of QualityAssurance, DLHHCOP 22 %ofresearch AQbD- Summary
  • 23.
     AQbD requiresthe right ATP and Risk Assessment and usage of right tools and performing the appropriate quantity of work within proper timelines. ‘RIGHT ANALYTICS AT THE RIGHT TIME’ 23Dept. of Quality Assurance, DLHHCOP AQbD- Conclusion
  • 24.
     Raman, N.V. V. S. S.; Mallu, U. R.; Bapatu, H. R. J. Chem.2014, 2015 (1), 8.  Torbeck L. D.J. Pharm.Tech.35 (10), 2011,46–47  ICH Harmon. Tripart. Guidel. 2009, 8 (August), 1–28.  Jackson, P. 2013, Technical note, http://www.gmpcompliance.org/daten/training/ECA_QbD_in_Analysis_2013 (accessed Oct 23, 2016).  Warf S. F. 2013, Conference note; http:// www.ISPE.org/2013QbDConference (accessed Oct 23, 2016).  Jadhav, M. L.; Tambe, S. R. Chromatogr. Res. Int. 2013, 2013 (2), 1–9.  Borman, P.; Roberts, J.; Jones, C.; Hanna-Brown, M.; Szucs, R.; Bale, nd S. 2010, 2 (7), 2–4.  Hanna-brown, M.; Borman, P.; Bale, S.; Szucs, R. Sep. Sci. 2010, 2, 12–20.  Nethercote P.; Borman P.; Bennett T.; Martin G.; McGregor P. 2010, 1–9.  Vogt, F. G.; Kord, A. S. Pharm. Sci. 2011, 100 (3), 797–812.  Bhatt, D. A.; Rane, S. I. Int. J. Pharm. Pharm. Sci. 2011, 3 (1), 179–187.  Swartz, M.; Lukulay, P. H.; Krull, I.; Joseph, T. LCGC North Am. 2008, 26 (12), 1190–1197.  Meyer, C.; Soldo,T.; Kettenring, U. Chim. Int. J. Chem. 2010, 64 (11), 825–825.  McBrien, M. A.; Ling, S.. The Column 2011, 7 (5), 16–20.  Molnár, I.; Rieger, H. J.; Monks, K. E. J. Chromatogr. A 2010, 1217 (19), 3193–3200.  Karmarkar, S.; Garber, R.; Genchanok, Y.; George, S.; Yang, X.; Hammond, R. J. Chromatogr. Sci. 2011, 49 (6), 439–446..  Monks, K. E.; Rieger, H.-J.; Molnár, I. J. Pharm. Biomed. Anal. 2011, 56 (5), 874–879.  Reid G. L., Cheng G., Fortin et al D. T. J. Liq. Chromatogr. Relat. Tecnhologies 2013, 36 (18), 2612–2638. Dept. of Quality Assurance, DLHHCOP 24 References
  • 25.
     Monks, K.;Molnár, I.; Rieger, H. J.; Bogáti, B.; Szabó, E. J. Chromatogr. A 2012, 1232, 218–230.  Orlandini, S.; Pinzauti, S.; Furlanetto, S. Anal. Bioanal. Chem. 2013, 405 (2–3), 443–450.  Musters, J.; Van Den Bos, L.; Kellenbach, E. Org. Process Res. Dev. 2013, 17 (1), 87–96.  Xavier, C. M.; Basavaiah, K.; Vinay, K. B.; Swamy, N. ISRN Chromatogr. 2013, 2013, 1–10..  Xavier, C. M.; Basavaiah, K.; Xavier, C. M.; Basavaiah, K. ISRN Chromatogr. 2012, 2012, 1–11.  Dasare, P. http://sspcmsn.org/yahoo_site_admin/assets/docs/Analytical_approach_in_QbD_SSPC.4416180 8.pdf (accessed on Oct 26, 2016).  Chatterjee, S. IFPAC Annu. Meet.2013  Morgado, J.; Barnett, K.; Ph, D.; Harrington, B.; Wang, J.; Ph, D.; Harwood, J. 2013, 2, 1–14.  Elder, D.; Borman, P. Pharm. Outsourcing 2013.  Zlota, A. A.; Zlota, T.; Llc, C. 2014..  ASME. 2010, https://www.asme.org/products/codesstandards/b89731-2001guidelines decision- rules-considering (accessed on Oct 26, 2016).  Guide, C.; Edition, F. Interpret. A J. Bible Theol. 2007, 18.  Burnett K. L., Harrington B., and Graul T. W. 2013.  Jadhav, M. L.; Tambe, S. R. Chromatogr. Res. Int. 2013, 2013, 1–9.  ICH Expert Working Group. ICH Harmon. Tripart. Guidel. 2005, No. November, 1–23. http://www.ssciinc.com/DrugSubstance/PATandPharmaceuticalQualityByDesign/ tabid/86/Default.aspx (accessed on Oct 26, 2016).  Patel, G. M.; Shelat, P. K.; Lalwani, A. N. Eur. J. Pharm. Sci.2016.  Li, Y.; Liu, D. Q.; Yang, S.; Sudini, R.; McGuire, M. A.; Bhanushali, D. S.; Kord, A. S. J. Pharm. Biomed. Anal.2010, 52 (4), 493–507. Dept. of Quality Assurance, DLHHCOP 25 References
  • 26.
    26Dept. of QualityAssurance, DLHHCOP