Continuous Process and Life Cycle Management
Transcript of Continuous Process and Life Cycle Management
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Continuous Process and Life Cycle Management The Factory of the Future
Dr Frank Roche
Innovation Centre of ExcellenceGlobal Manufacturing and Supply
12th
June 2009
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1899
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2005
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Standard Slide Pack & Logos
Line of Text
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Line of text
2005
First flight
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1875
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….we’re actually better than that !
we’ve innovated with our molecules and products
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ground breaking NCEs
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creative product line extensions and branding
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innovative drug delivery systems
however………………
we’ve ignored our manufacturing processes
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gross profit margins high cf. CoGs
so why bother !
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validation burden and perceived regulatory hurdles
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fear of change
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historically limited skills sets for process design
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haven’t appreciated the strategic value of the “voice of the process”
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Socio -
economic pressures
–government pricing
–cost vs
benefit on drug performance
–global recession –global sustainability/green agenda
–access to medicines
Regulatory pressures –PAT framework for industry (ICH Q8,9,10)
–reluctance to approve PLEs
Pipeline pressure –industry inability to replace expiring assets
–block busters few and far between
–lower volume, niche products
Declining WW manufacturing volumes
–gross overcapacity
–large depreciation burdens
Do we need to change ?
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Invention vs Innovation
"Invention is the first occurrence of an idea for a new product or process,
while innovation is the first attempt to carry it out into practice"
(Fagerberg, 2004: 4)
“We’ve got a few problems going fromlab scale to full scale commercial”
Ray Scherzer 2005
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Manufacturing costs represent 25-40% of total product costs,much more than R&D
Reduce UKP £4 Bn annual spend in manufacturing
Manufacturing costs are divided into: –
50% Materials
–
25% Personnel Costs
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25% Operating and Depreciation
Pressures facing manufacturing
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Some of the current manufacturing problems
Large inefficient batch equipment
Low utilization 30 -
40 % on average
Low product yieldsExcessive amounts of product non-conformances
Long lead-times due to stage and final product testing
Capital and labour intensiveHigh operating costs
High inventories and excessive warehouse capacity
Cycle time improvement perceived to be limited by regulatory constraints
1% yield improvement ~ $40M in savings
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80% of all pharmaceutical products
are solid dosage forms
Many of these products differ only
in terms of dosage level
Perhaps more significantly, many
of these products differ only in
terms of drug identity
Focus still very much on Oral Solid Dosage Forms
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Gran/ Drying Blending Compression Coating Packing
F a i l
F a i l
F a i l
Testing
PASS
or
•End Product Testing alone is insufficient to understandthe complex interaction of product and process
•We must proactively understand and learn from•the starting materials
•each unit operation
•the testing itself
Formulation
Processing
Monitoring
Current situation – secondary OSD manufacturing
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Granulation/ Drying
Actual processing time + release + packing = 2 days
Result is high inventory including “work in progress”, long lead times,disconnected processes, long changeovers, high process losses off line analysis, low
utilisation etc
…… but Total Elapsed Time is 30but Total Elapsed Time is 30 -- 60 days60 days
DelayDelay DelayDelay DelayDelay DelayDelay
Blending Compression Coating Packing
Where are we going wrong ?
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V Blenders: lab and pilot plant scale
Lab scale Pilot Plant Scale
Current Technology – scale up approach
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Commercial scale !
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Key Measure Typical
Material waste (mass balance) 5% upwards
Manufacturing lead time 6 weeks
Manufacturing stock (including work in progress) 2 months
Manufacturing complexity & potential for errors high
Overall equipment effectiveness 30%
Total transit distance miles
Labour utilisation on added value tasks 15%
Current situation – key measures
#1 &
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Process Design
Potential Answer #1: Process Understanding & Data DrivenManufacturing
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Liquid coverage and spray flux: Powder Technology 134(3), 223 (2003)
Nucleation and spray flux: Chemical Engineering Science 60(14), 3751 (2005)
Transformation Diagrams
dvw2
Q3Ψa
⋅⋅⋅
⋅=
pτ
dvw2
Q3Ψa
⋅⋅⋅
⋅=
mechanical
dispersion
drop
controlled
regime
intermediate
regime
0
0.1
1 100.1
1
10
n
ar r ow er s i z e
d i s t r i b u t i on
Hapgood map
v tip= f(N,D)
<v>surface, powder =
f(B,N,D,d,ρ,H)
x
y
z τrecirculation = f(D, <v>surface + powder )
v tip=f(N,D)
<v>bulk =f(B,N,D,d,ρ,H)
shear ∝
N
<v>radial, powder =
f(B,N,D,d,ρ,H)
4Ψsingle ef −
=
spray nozzle tip
shape = FAN50
moving
powder bed
liquid spray,
Q rate, m3/s
d droplet, μm
v
velocity
powder
[m/s]
w width [m]
h
height
[m]18 Nm3/h
15 Nm3/h
33 Nm3/h
vtip
~ 0/5/10 m/scounter clockwise
N
~ 1 5 0 0 / 3 0 0 0 r p m
c l o c k w i s e
fill(min): 1/3
fill(max): 2/3
v
QΨalt
⋅=A
Process Understanding and Mathematical Modelling
Sander van den Ban
Computational Fluid Dynamics
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Sander van den Ban
Univariate Data Trending – simple sensing
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Sander van den Ban
Univariate Data Trending – simple sensing
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Paul Frake
Advanced Sensing for Controlling Critical Quality Attributes
-4
-3
-2
-1
0
1
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3
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9:36:00 10:04:48 10:33:36 11:02:24 11:31:12 12:00:00 12:28:48 12:57:36
Time
S
c a l e d
c o
r d
c o
u
n
t
1-50
46-251
233-50
Spraying
Drying
Cord length
Attrition during drying ?
Granule growth
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Multivariate Statistical Process Control
Batch adjustedback in line with others
Pre-compressionforce was adjusted to
bring batch closerto average
Compression profileCompression profile -- meaningful use of large complex data setsmeaningful use of large complex data sets
Nicky Fletcher
3 batches lowerthan others
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Potential Answer #2: Integrated Manufacturing
High Process Velocity
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Rapid batch or continuous manufacture
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Drive to reduce variability, 6 sigma
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High yield, increase productivity
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Lower operating, inventory and capital costs
…………..increase competitiveness
Process Intensification –
Small, fully enclosed processes
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High level of automation, reduced manual intervention
Advanced Process Control –
identify and explain sources of variability
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manage variability via the process
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predictable output for range of raw materials,
process and environmental conditions
Level 4
Level 3
Level 2
Level 1
Level 0
Level 5
Plant
Control
Operations
BusinessPlanning
Enterprise
Planning
Manufacturing Resource
Planning Systems
Instrumentation
Quality
Systems
New Product Supply
SystemsSupply Chain Systems
Supporting
Systems
Manufacturing Operations
& Control (MOC) Systems
Control Systems
Instruments
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Compression
Coating
Granulation &Drying
Blending and Dispensary
50m
3 0 m
W a s h B a y s
Large Facilities
Expensive HVAC
and Finishes
75-300 Kg Bx
Scale
High Labour Reqt.
Large WIP
Off-Line QC Testing
Cycle time 60days
Typical OSD Factory Layout
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Conceptual Layout – Rapid Batch
Key Differences:•
Small scale, close coupled process designed for flow
•
Same scale transfer from R&D to GMS
• Joint R&D/GMS operating model•
Cycle time reduced from 60 days to < 24hours
•
Flexible for other platform technologies
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The OSD Factory Of The Future Could Look Like:
12m
5 m
2 lines would match conventional footprint capacity
R&D would develop using suitable OSD compounds by first intent
No break in containment, 99%+ yield efficiency, very little WIP
Radically less labour Significantly more environmentally friendly
Product released for use as it is made
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Soft Sensor Showing Moisture (as LOD!)
Steady state operation makes generation of
process descriptive data easy
Why Now - Continuous Processing of Allopurinol – Wellcome
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Why Now Continuous Processing of Allopurinol WellcomeItalia 1991
Maturing control technology,
both for individual unit operations
such as gravimetric powder feed,
advanced instrumentation and
supervisory control technology,makes continuous tablet making
an increasingly attractive
technology option.
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Conclusions
We can get significant improvement out of our current manufacturing technology
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better process understanding of unit processes and materials
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data driven decision making
If we want a step change improvement in manufacturing efficiency we need to look atIntegrated & continuous manufacturing
Step change improvements in manufacturing could offer emerging market opportunities
………however
Integrated & continuous manufacturing requires
– Real process understandingadvanced mathematical, engineering and material science skills
advanced control technology
an entrepreneurial funding model to change out existing technology
– A continuous improvement quality mindset –
New thinking from equipment suppliers, product developers, manufacturing teams,quality teams and regulators
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A Measure of Success
“The measure of success is not whether you have a
tough problem to deal with, but whether it is the same problem you had last year”
John Foster Dulles
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Continuous Process and Life Cycle Management The Factory of the Future
Dr Frank Roche
Innovation Centre of Excellence
Global Manufacturing and Supply
12th
June 2009