IVIVC a Way to Speed up Development Using Dissolution as a ... · 9/22/2016  · REF SR REF SR REF...

43
BABE Seminar Prague Sept 22, 2016 JMC - 1 J-M. Cardot Biopharmaceutical department, University of Auvergne 28 Place H. Dunant, BP 38, 63001 Clermont-Ferrand France Email: [email protected] IVIVC a Way to Speed up Development Using Dissolution as a Surrogate Tool Based on CARDOT J-M., TOMIC I. in vitro in vivo correlation basis and application to slow release injectable formulation, Farmacia, 2015, vol. 63, 6, 781-791

Transcript of IVIVC a Way to Speed up Development Using Dissolution as a ... · 9/22/2016  · REF SR REF SR REF...

Page 1: IVIVC a Way to Speed up Development Using Dissolution as a ... · 9/22/2016  · REF SR REF SR REF SR SR SR p, , , , , ( ) ( , ) b IH profils vitro référents F F t REF SR MEAN SR,,

BABE Seminar Prague Sept 22, 2016 JMC - 1

J-M. CardotBiopharmaceutical department, University of Auvergne

28 Place H. Dunant, BP 38, 63001 Clermont-Ferrand France

Email: [email protected]

IVIVC – a Way to Speed up Development

Using Dissolution as a Surrogate ToolBased on CARDOT J-M., TOMIC I.

in vitro in vivo correlation basis and application to slow release injectable formulation,

Farmacia, 2015, vol. 63, 6, 781-791

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BABE Seminar Prague Sept 22, 2016 JMC - 2

• Definition of IVIVC, Guideline framework

• When IVIVC could be/could not be established

• Estimation of IVIVC, Time scaling, Prediction of

concentrations

• Internal vs external Predictability, Determination of

target profiles

• Application to non oral formulations

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BABE Seminar Prague Sept 22, 2016 JMC - 3

IVIVC

Definition

Legal framework

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BABE Seminar Prague Sept 22, 2016 JMC - 4

Legal (Main) … not new• EU-EMA

– Guideline on the pharmacokinetic and clinical evaluation of modified release dosage

forms EMA/CPMP/EWP/280/96 Corr1

– Guideline on quality of oral modified release products

EMA/CHMP/QWP/428693/2013

• US-FDA

– Guidance for Industry Extended Release Oral Dosage Forms: Development,

Evaluation, and Application of In Vitro/In Vivo Correlations September 1997

– Guidance for Industry Dissolution Testing of Immediate Release Solid Oral Dosage

Forms September 1997

– Guidance for Industry SUPAC-MR: Modified Release Solid Oral Dosage Forms

December 1997

• Common

– ICH Topic Q 8 note for guidance on pharmaceutical development

EMEA/CHMP/167068/2004

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BABE Seminar Prague Sept 22, 2016 JMC - 5

Administration of drugs

DRUG

DELIVERY

SYSTEM

Liver

Kidneys

Etc.

RECEPTOR

TARGET

RESPONSE

CENTRAL

COMPARTIMENT

PERIPHERIQUE

COMPARTIMENT

Distribution

Efficacy

URINE, METABOLISATION

STOOLS, ETC

Absorption

permeation

Metabolisation

Elimination

Dissolution

The slowest phenomenon is observed in vivo

Release Formulation

Process

In vivo: PK In vitro: Dissolution, PAT, etc.

API characteristics

Formulation

Production

Etc.

*°*°

*

* Studied in IVIVR/C

° Studied in BCS

# Studied in BCDDS

Solution

First pass and PgP *#

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BABE Seminar Prague Sept 22, 2016 JMC - 6

Bioavailability Definition

“Bioavailability means the rate and extent to which

the active substance or active moiety is absorbed

from the pharmaceutical form and becomes available

at the site of action … (in the general circulation)”

EMEA CPMP/EWP/QWP 1401/88 rev 1

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BABE Seminar Prague Sept 22, 2016 JMC - 7

Potential Sources of a Low Oral BA

• Release from the dosage form too slow (dosage form, transit time)

• Solubility is limiting (hydrophilicity, pH, volume and type of bio-

fluids)

• Dissolution rate API too slow (dose, Particle size, wettability, transit

time)

• Absorption is limiting (dose, permeability, type of absorption)

• Permeability (rate) is limiting (lipophilicity, molecular size, -H

bounds…)

• Efflux

• Chemical instability in the GIT

• Gut metabolism

• Membrane/Hepatic metabolism

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BABE Seminar Prague Sept 22, 2016 JMC - 8

Release/SolubilisationAbsorption

• That are two main factors studied all along the

development of drugs

– Pharmacokinetics

– In vitro dissolution

– BCS

– Other classifications

– IVIVC

• Possible only when in vivo release/dissolution is the limiting

factor

• Possible when that release is controlled by formulation

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BABE Seminar Prague Sept 22, 2016 JMC - 9

IVIVC

A transversal approach to manage risks

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BABE Seminar Prague Sept 22, 2016 JMC - 10

IVIVC

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BABE Seminar Prague Sept 22, 2016 JMC - 11

Plasma curves

• Same active ingredient

– Quality

– Source

– Batch

– Difference => different

behavior of the

formulations

• Or vice versa =>

optimization of API0

10000

20000

30000

40000

50000

60000

70000

80000

0 2 4 6 8 10 12 14 16 18 20 22 24

Con

ce

ntr

atio

n (

pm

ol/L

)

Time (h)

A

B

C

reference

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BABE Seminar Prague Sept 22, 2016 JMC - 12

IVIVC in theory

in vivo data

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time (h)

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in vivo data

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/ml)

in vitro data

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olv

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IV IV C

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« Absorption »

« Dissolution »

IVIVC

in vitro data

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(µg

/ml)

Prediction of a new formulation

Of dissolution limits

Optimisation

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BABE Seminar Prague Sept 22, 2016 JMC - 13

13

Cas 2

Cas 1

libération du PA = étape limitante ?

non

cinétique de dissolution du PA < cinétique de libération

ARRET

non

reformulation oui

oui

I.2- time scaling vitro

Cas 3

I.2-test de dissolution

time

A

FORMULATIONS

B

C

,( )

MEAN SRF t

modélisation des profils de dissolution sur données poolées

→ confirmation du mécanisme de libération

(Higuchi, Hixon-Cromwell,…)

VALIDE DE FACTO SI IVIVC

, , , , ,( ) ( , )

REF SR REF SR REF SR SR SR pF t t

profils vitro référents

, ,( ) ( )

REF SR MEAN SRtF F t

,( )

REF SRtF Suppose à priori le même modèle de structure pour les 3 formulations

SUPPOSE LE MEME MODELE VIVO ET VITRO (HOMOMORPHISME)

I

II

Formulations galéniques (formes SR)

Formulation A : fast / Formulation B : médium / Formulation C : slow

I.1- pertinence

PHASE VITRO

OBJECTIFS CLINIQUES & THERAPEUTIQUES

profils de dissolution par formulation identiques ? → étape 1 : revoir processus analytique

→ étape 2 : si étape 1 non concluante

revoir processus galénique

INVESTIGATION

→ étape 1 : revoir processus galénique

→ étape 2 : si étape 1 non concluante

revoir processus analytique

t vitro eq

t vivo

B/A

C/B

C/B –B/C: profils différents

C/B –B/C: non linéaires

INVESTIGATION

→ étape 1 : revoir processus analytique

FORMULATION ANALYTIQUEMENT

DEPENDANTE

INVESTIGATION

t vitro eq

t vivo

B/A

C/B

B/C: non linéaire

C/B : linéaire

B/C: linéaire

C/B : non linéaire ou

→ étape 1 : revoir processus analytique

→ étape 2 : si étape 1 non concluante

revoir processus galénique

INVESTIGATION

t vitro eq

t vivo

B/A

C/B

C/B –B/C: mêmes profils

C/B –B/C: non linéaires

APIFORMULATION

time

Q

Réformulation : CQA & CPPs

investigation des propriétés physico-chimiques

susceptible de modifier la dissolution du PA

INVESTIGATION

→ cinétiques superposables par échelle

de temps

→ même profil de dissolution

- processus analytique OK

- processus galénique OK

FORMULATION TECHNOLOGIE

DEPENDANTE

VALIDE5

alternative

t vitro eq

t vivo

B/A

C/B

B/C linéaire

C/B linéaire

investigations concluantes ?

nonprofils de dissolution moyens (n = 12) par formulation

, ,( ) ( ( ))

MEAN SR SR pF t E F t

nombre de points de prélèvement suffisants

PHASE VITRO

Retour au processus

oui

II.1 estimation absorption

procédure de calcul identique pour tous les individus et méthode adaptée aux données

Formulations A : fast

Formulation B : médium

Formulation C : slow

Formulation Ref (IR)

IN A (fast)

IN B (medium)

IN C (slow)

déconvolution

FORMULATION

time

QCpl

,( )

SR kOUT t ,

( )SR k

IN t

timetime

Cpl

( )impkIMP t

données expérimentalesou modèle de structure

Formulations A : fast

Formulation B : médium

Formulation C : slow

Formulation Ref (IR)

→ absorption n’est pas l’étape limitante

→ qualité des résultats dépend de

- approche calculatoire

- erreurs résiduelles

- nombre de points de prélèvements

→ design clinique approprié

estimation de l’absorption

par formulation et par sujet

→ estimation de l’absorption des formulatiosn par déconvolution des profils

moyen (IMP et OUT) car le principe de linéarité est invariant (SLID)

cinétique : REF A > REF B > REF C ?

Les profils sont analogues :

différence entre les profils pas assez importantes

Variabilité interindividuelle +++

Variabilité interformulation +++

DECONVOLUTION

II PHASE VIVO

ALTERNATIVE (rapide)

II.2 profils d’absorptions

référents

moyennes

modèles non paramétriques

modèles de structure (paramétriques)

estimation par formulation du profil référent

sxpression en fraction de la Q max

IN* REF,A (fast)

IN* REF,B (medium)

IN* REF,C (slow)

time

IN*

I PHASE VITRO

Étape 1 :

révision du protocole analytique

Si étape 1 non concluante

révision de la formulationdégradation accélérée in vivo

forme SR (excipients ?)

II.3- time scaling vivo révision de la formulation

FORMULATION

PHYSIOLOGIQUEMENT

DEPENDANTE

INVESTIGATION

t vivo eq B

t vivo B/A

B/A

C/B

B/C: non linéaire

C/B : linéaire

B/C: linéaire

C/B : non linéaire ou

INVESTIGATION

métabolisation in situ

fenetre d’absorption

forte variabilité des temps de transit

I PHASE VITRO

t vivo eq B

t vivo C - A

B/A

C/B

II INVESTIGATION IVIVC

l’étape limitante du processus d’absorption est liée à la

technologie qui est la même pour toutes les formes testées

oui

→ cas 1 : processus de libération in vivo n’est pas

répétable

→ cas 2 : formes pharmaceutiques inadaptées par

rapport schéma d’absorption : fenêtre d’absorption,

métabolisation in situ ,….

FORMULATION TECHNOLOGIE INDEPENDANTE

ARRET

→ facteur d’échelle βTS constant : cinétiques

d’absorptions identiques au facteur d’échelle

oui

oui nonbi-multiphasique ?

,

,1 ,1 , ,

,2 ,2 , ,

( )

si

si

TS SR DISS

TS TS SR DISS SR DISS

TS TS SR DISS SR DISS

t

t t

t t

,

,

, ( )

TS TS SR DISS

TS TS SR DISS

t

t

→ τ temps de transition de phase entre deux cinétiques

d’absorption

→ deux facteurs d’échelle constants sur les intervalles

de mesure

x

x

xx

x

x

x

x

,SR ABSt

,SR DISSt

→ pas de superposition : technologie

non reproductible in vivo

→ technologie inadaptée à ce PA

→ pas de facteur d’échelle commun

ARRET

monophasique

superposition par segment

IV INVESTIGATION DU MODELE DE LIEN

Fast

Medium

slow

*IN

REFF

x

x

x

x x

xxx

non

*IN

REFF

x

x

x

xx

x

x

x

x

Fast

Medium

slow

IV.1 time scaling

pour chaque formulation, mise en relation

des échelles de temps par interpolation

linéaire

, ,,( )SR ABS TS TS SR DISS SRt t

· si temps de prélèvements vivo et vitro

identiques pour toutes les formulations

· si modèle de structure dissolution vitro

connu (suppose l’homomorphisme)

Inversion des modèles

alternative

nombre de points de prélèvements vitro

suffisants

x

x

x

xx

x

x

x

x

,SR ABSt

,SR DISSt

Fast

Medium

slow

superposition ?

x

x

xxx

x

x

x

x

,SR ABSt

,SR DISSt

Fast

Medium

slow

amélioration de l’ajustement (optionnelle)

modèle de structure quadratique

modèle non paramétrique

estimation effectuée UNIQUEMENT après

ajustement sur un modèle bi-multiphasiquePREDICTIBILITEV

non

non

oui

superposition des données sur une

partie du graphique

V

O PRED A (fast)

O PRED B (medium)

O PRED C (slow)CONVOLUTION

Méthode de calcul identique à celle utilisée pour la déconvolution

Expression en Quantité

, ,( )

PRED SR kIN t

time

Cpl

( )impkIMP t

données expérimentalesmodèle de structure

xx

xx

xx

xx x x

time

x

Q

, ,

, ,

, ,

PRED A k

PRED B k

PRED C k

IN

IN

IN

Calcul des moyennes des concentrations

plasmatiques prédites par formulation

Cpl

time

xx

xxxx x xx

xx

x x x x

, ,

, ,

, ,

PRED A k

PRED B k

PRED C k

O

O

Ox

Calcul des prédictibilité

Cpl

time

xx

xxxx x x

xx

xx x x x

, ,

, ,

, ,

( )

( )

( )

PRED A k

PRED B k

PRED C k

E O

E O

E Ox

SS

x

xx

x

xx

x

x

Fast

Medium

slow

*IN

REFF

PRED,SR

*IN

sujet par sujet et par formulation

SR,k PRED,SR,kSR

SR,k

SR,k PRED,SR,kmax

SR,k

E( AUC ) E( AUC )%Pe( AUC )

E( AUC )

E( C max ) E( Cmax )%Pe( C )

E( C max )

IVIVR IVIVR REF ,SR TS TS , SR,DISSPRED,SR

*IN F t

Calcul de la droite de correlation

PREDICTIBILITE

variabilité, cofacteurs,…..

VALIDATION GLOBALE

Approche de population

temps vivo et vivo connus pour la même fraction dissoute / absorbée ? INTERPOLATION

Cas 1 : analytique on suppose d’un modèle de structure de la dissolution

inversion du modèle et calcul des temps

Cas 2 : numérique par interpolation linéaire

oui

III INVESTIGATION IVIVC III.1- interpolation

→ nombre de points de prélèvements suffisants

→ intervalles des temps de prélèvements réguliers

III.2- superposition des

fractions vivo-vitro

estimation des temps correspondant vitro référents sur le données vivo

référents pour toutes les formulations

superposition directe ?

non

oui

IV INVESTIGATION DU MODELE DE LIEN

non

x

xx

x

xx

x

x

Fast

Medium

Slow

*IN

REFF

calcul de la droite de correlation

*

1 1PRED REFIN F

FREF

IN*

INVESTIGATION

révision du protocole de dissolution

optimisation

FREF

IN*

origine physiologique : retard à l’absorption

temps de latence

Cas 1

Cas 2 origine technologique : application du facteur

correctif (identique pour toute les formulations

11

1 0

1

III.3- étude des paramètres

1 0

FREF

IN*

1 0

INVESTIGATION INVESTIGATION

absorption activeCas 1

Cas 2 dissolution API facteur limitant

ARRET

2 1

FREF

IN*

100 %

100 %

xx

x x

2 1

FREF

IN*

100 %

100 %

x xx

xx

FREF

IN*

100 %

100 %

x

x x

xx

2 0

PREDICTIBILITEVIV INVESTIGATION DU MODELE DE LIEN

4.2 Time Scaling

2

temps vivo et vivo connus pour la même fraction dissoute / absorbée ? INTERPOLATION

Cas 1 : analytique on suppose d’un modèle de structure de la dissolution

inversion du modèle et calcul des temps

Cas 2 : numérique par interpolation linéaire

oui

III INVESTIGATION IVIVC III.1- interpolation

→ nombre de points de prélèvements suffisants

→ intervalles des temps de prélèvements réguliers

III.2- superposition des

fractions vivo-vitro

estimation des temps correspondant vitro référents sur le données vivo

référents pour toutes les formulations

superposition directe ?

non

oui

IV INVESTIGATION DU MODELE DE LIEN

non

x

xx

x

xx

x

x

Fast

Medium

Slow

*IN

REFF

calcul de la droite de correlation

*

1 1PRED REFIN F

FREF

IN*

INVESTIGATION

révision du protocole de dissolution

optimisation

FREF

IN*

origine physiologique : retard à l’absorption

temps de latence

Cas 1

Cas 2 origine technologique : application du facteur

correctif (identique pour toute les formulations

11

1 0

1

III.3- étude des paramètres

1 0

FREF

IN*

1 0

INVESTIGATION INVESTIGATION

absorption activeCas 1

Cas 2 dissolution API facteur limitant

ARRET

2 1

FREF

IN*

100 %

100 %

xx

x x

2 1

FREF

IN*

100 %

100 %

x xx

xx

FREF

IN*

100 %

100 %

x

x x

xx

2 0

PREDICTIBILITEVIV INVESTIGATION DU MODELE DE LIEN

4.2 Time Scaling

2

IVIVC in reality

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BABE Seminar Prague Sept 22, 2016 JMC - 14

Trivial aspects• You can extract the in vivo absorption curve from the in vivo

plasma profile => deconvolution for example: Absorption

represents the slowest between release, dissolution, and

permeation,

• You cannot modify Permeation (trivial)

• Release is the limiting step

All formulations have the same release principle/mechanism

you may have to adapt the dissolution test!

You may have to “time scale” between in vivo and in vivo

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BABE Seminar Prague Sept 22, 2016 JMC - 15

Example

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BABE Seminar Prague Sept 22, 2016 JMC - 16

Pilot study: dissolution prior in vivo

0

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0 2 4 6 8 10 12 14

% D

isso

lved

Time (h)

A (Fast)

B (Medium/Target)

C (Slow)

Reference

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BABE Seminar Prague Sept 22, 2016 JMC - 17

BE study

• BE study failed with 3 test formulations vs reference

• Aim

– how based on the « bad » results could we forecasted the

best strategy

– Make from the failed study a starting point to re evaluate

the data and to bring hypothesis

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BABE Seminar Prague Sept 22, 2016 JMC - 18

Plasma Curve

0

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3.5

4

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5

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Con

cen

trati

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(n

g/m

L)

Time (h)

A (Fast)

B (Medium/Target)

C (Slow)

Reference

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BABE Seminar Prague Sept 22, 2016 JMC - 19

« Absorption » input curve

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Ab

sorp

tion

(%

FD

)

Time (h)

A (Fast)

B (Medium/Target)

Reference

C (Slow)

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BABE Seminar Prague Sept 22, 2016 JMC - 20

in vivo data

0

20

40

60

80

100

120

0 6 12 18 24

time (h)

% F

D A

bso

rbed

in vivo data

0

1

2

3

4

5

6

7

0 12 24 36 48

time (h)

con

cen

tati

on

s

(µg

/ml)

in vitro data

0

20

40

60

80

100

120

0 6 12 18 24

time (h)

% D

Dis

olv

ed

IV IV C

0

20

40

60

80

100

0 20 40 60 80 100

% dissolved

% F

D a

bso

rbed

« Absorption »

« Dissolution »

IVIVC

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BABE Seminar Prague Sept 22, 2016 JMC - 21

IVIVC with current dissolution

0

20

40

60

80

100

120

0 20 40 60 80 100 120

In v

ivo (

% A

bso

rbed

)

In vitro (% Dissolved)

A (Fast)

B

(Medium/Targ

et)

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BABE Seminar Prague Sept 22, 2016 JMC - 22

« Absorption »

in vivo data

0

20

40

60

80

100

120

0 6 12 18 24

time (h)

% F

D A

bso

rbed

in vivo data

0

1

2

3

4

5

6

7

0 12 24 36 48

time (h)

con

cen

tati

on

s

(µg

/ml)

in vitro data

0

20

40

60

80

100

120

0 6 12 18 24

time (h)

% D

Dis

olv

ed

IV IV C

0

20

40

60

80

100

0 20 40 60 80 100

% dissolved

% F

D a

bso

rbed

« Dissolution »

IVIVC

Generate various in vitro

method to find the relevant

dissolution

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BABE Seminar Prague Sept 22, 2016 JMC - 23

Dissolution

• After the in vivo results numerous new dissolutions

were tried

– USP 1

– USP 2

– USP 3

– USP 4

• USP 3 and 4 gave the best results

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BABE Seminar Prague Sept 22, 2016 JMC - 24

Dissolution curve USP 4

0

20

40

60

80

100

120

0 2 4 6 8 10 12 14

% D

isso

lved

Time (h)

A (Fast)

B (Medium/Target)

C (Slow)

Reference

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BABE Seminar Prague Sept 22, 2016 JMC - 25

in vivo data

0

20

40

60

80

100

120

0 6 12 18 24

time (h)

% F

D A

bso

rbed

in vivo data

0

1

2

3

4

5

6

7

0 12 24 36 48

time (h)

con

cen

tati

on

s

(µg

/ml)

in vitro data

0

20

40

60

80

100

120

0 6 12 18 24

time (h)

% D

Dis

olv

ed

IV IV C

0

20

40

60

80

100

0 20 40 60 80 100

% dissolved

% F

D a

bso

rbed

« Absorption »

« Dissolution »

IVIVC

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BABE Seminar Prague Sept 22, 2016 JMC - 26

IVIVC common to all formulations

0

20

40

60

80

100

120

0 20 40 60 80 100 120

In v

ivo (

% F

D)

In vitro (% Dissolved)

A (Fast)

B (Medium/Target)

C (Slow)

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BABE Seminar Prague Sept 22, 2016 JMC - 27

Predictability and prediction

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BABE Seminar Prague Sept 22, 2016 JMC - 28

Definition

• Capacity to predict accuratly the data

• Based on BA/BE criteria: AUC and Cmax

• At least 3 formulations with either different rate or

different batch etc..

• Max 10% as a mean on each parameters, with none

of individual > 15%

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BABE Seminar Prague Sept 22, 2016 JMC - 29

Tablet X In vivo-

In vitro data IVIVC

Internal

predictability

Establshing

IVIVC

Tablet X In vivo-

In vitro data IVIVC

External

predictability

Establshing

IVIVC

Tablet Y in

vitro data

Simulated vs

observed

plasma data

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BABE Seminar Prague Sept 22, 2016 JMC - 30

Prediction based on IVIVC Internal

0

1

2

3

4

5

0 2 4 6 8 10 12

CO

NC

EN

TR

AT

IN (

ΜG

/ML

)

TIME (H)

Formulation A

Predicted A

Formulation B

Predicted B

Formulatin C

Predicted C

formulation

A

Formulation

B

Formulation

C Mean

Cmax 0.82 3.60 6.03 3.48

AUC Inf 3.80 1.88 3.36 3.01

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BABE Seminar Prague Sept 22, 2016 JMC - 31

Prediction of target profile

• Based on the ivivc and on the in vivo reference

absorption could predict in vitro dissolution curve to

mimic reference

• Then plan a DOE

• Select the best results

• Go in vivo

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BABE Seminar Prague Sept 22, 2016 JMC - 32

in vivo data

0

20

40

60

80

100

120

0 6 12 18 24

time (h)

% F

D A

bso

rbed

in vivo data

0

1

2

3

4

5

6

7

0 12 24 36 48

time (h)

con

cen

tati

on

s

(µg

/ml)

IV IV C

0

20

40

60

80

100

0 20 40 60 80 100

% dissolved

% F

D a

bso

rbed

« Absorption »

« Dissolution »

IVIVC

in vitro data

0

20

40

60

80

100

120

0 6 12 18 24

time (h)

% D

Dis

olv

ed

Prediction of a new formulation

Of dissolution limits

Optimisation

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BABE Seminar Prague Sept 22, 2016 JMC - 33

New target formulation

• Result of DOE => now you know your CQA

• Will served as external predictability

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BABE Seminar Prague Sept 22, 2016 JMC - 34

Non oral formulations

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BABE Seminar Prague Sept 22, 2016 JMC - 35

IVIVC could be used

• For parenteral

– Suspension

– Implants

– Depot

• For IUD, Vaginal ring

• For TTS

• For DPI/MDPI

• Etc…

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BABE Seminar Prague Sept 22, 2016 JMC - 36

Example of long acting drugs

• Problem is often the time

scaling … difference between

in vitro and in vivo time scale

– In vivo release over 70 days

– In vitro dissolution over hours

• Burst possible … but its often

linked with low quantities

5 to 7%

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BABE Seminar Prague Sept 22, 2016 JMC - 37

Time scaling … funny game

• Time scaling => find the time in vitro correspond to

what was observed as absorption in vivo

• Post time scaling IVIVC => in vitro=in vivo… 1:1

relationship!

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BABE Seminar Prague Sept 22, 2016 JMC - 38

IVIVC without time scaling(mean data presented)

0

20

40

60

80

100

120

0 20 40 60 80 100 120

Inp

ut kin

etic (

% F

D)

Percent dissolved in vitro (%)

A B C

0

20

40

60

80

100

120

0 2 4 6 8 10 12 14 16 18 20 22 24

% d

isso

lve

d

Time (h)

A B C

0

20

40

60

80

100

120

0 2 4 6 8 10 12 14 16 18 20 22 24

Inp

ut kin

etic (

% F

D)

Time (h)

A B C

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BABE Seminar Prague Sept 22, 2016 JMC - 39

time scaling(mean data presented)

0

20

40

60

80

100

120

0 2 4 6 8 10 12 14 16 18 20 22 24

% d

isso

lve

d

Time (h)

A B C

0

20

40

60

80

100

120

0 2 4 6 8 10 12 14 16 18 20 22 24

Inp

ut kin

etic (

% F

D)

Time (h)

A B C

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BABE Seminar Prague Sept 22, 2016 JMC - 40

IVIVC with time scaling(mean data presented)

Without time scaling With time scaling

0

20

40

60

80

100

120

0 20 40 60 80 100 120

Input kin

etic (

% F

D)

Percent dissolved in vitro (%)

A B C

0

20

40

60

80

100

0 20 40 60 80 100In

pu

t kin

etic (

% F

D)

% dissolved in vitro

A

B

C

IVIVC

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BABE Seminar Prague Sept 22, 2016 JMC - 41

Conclusion

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BABE Seminar Prague Sept 22, 2016 JMC - 42

Can we trust prediction

• Only if based on

– know how of CQA

– relevant hypothesis

• API

• Formulation

• Physiology

• Previous data

• Validation

• Etc… Roy De Maesschalck

Pharmaceutical Sciences J&J Belgium

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BABE Seminar Prague Sept 22, 2016 JMC - 43

Strategic jigsaw

PK

Animal model

API

IVIVC

Formulation

DRA

Clinic

ADS

Specific

media

Production

Dissolution

Marketing

Simulation

In silico