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Trea%ng	Obesity:	The	Way	Forward	
Josep	Vidal	
Endocrinology	and	Nutri0on	Department	
Ins0tut	de	Malal0es	Diges0ves	i	Metab嘆liques	
Hospital	Cl鱈nic	Barcelona,	Spain
EU	Obese	Subjects	Box	
Health	at	a	Glance:	Europe	2016	
Trea0ng	Obesity:	The	Way	Forward	
Prevalence	Obesity	in	EU	Member	States	
The	preven0on	
strategy	
2011	
2014
Health	at	a	Glance:	Europe	2016	
Prevalence	Obesity	in	EU	Member	States	
2011	
2014	
The	treatment	
strategy	
Trea0ng	Obesity:	The	Way	Forward
Condi%ons	associated	with	obesity	
Up	to	195	condi0ons	have	been	associated	with	obesity	
Trea0ng	Obesity:	The	Way	Forward	
These	condi0ons	
would	be	less	
common	shall	
obesity	be	less	
prevalent
The	End	Organ	Damage	Approach	
Current	Approach	to	Obesity	Related	Condi0ons
Therapeu0c	Algorithm	for	Type	2	Diabetes		
European	Associa%ons	for	the	Study	of	Diabetes	(EASD)	
≒			Focus	on	drug	combina%ons	for	glycemic	control	
≒		Considera%on	of	weight	loss	as	desirable	side	e鍖ect	of	hypoglycemic	drugs	
≒		No	speci鍖c	strategies	for	weight	loss
The	End	Organ	Damage	Approach	
Current	Approach	to	Obesity	Related	Condi0ons	
Is	this	the	logical	
approach?
The	Common	Ground	Approach	
Impact	of	MODEST	weight	loss	on	obesity-related	comorbidi%es	
(%	weight	loss	associated	with	improvement	of	di鍖erent	condi0ons)	
Weight	loss	and	Obesity	Related	Comorbidi0es	
0	 2	 4	 6	 8	 10	 12	 14	 16	
Metabolic	syndrome	
Pre-diabetes	
T2	diabetes	
Hypertension	
NAFLD	
OSA	
Asthma	
Urinary	incon0nence	
Weight	loss	rela0ve	to	baseline	Garvey		et	al.		End	Prac:ce	2016
Weight	loss	and	Obesity	Related	Comorbidi0es	
Obesity-related	cancers	
Incidence	and	mortality	reduced		
Doesnt	this	op%on	
deserve	further	
aZen%on?	
The	Common	Ground	Approach	
Impact	of	LARGE	weight	loss	on	obesity-related	comorbidi%es
Weight	Loss	at	1	Year	with	High-Intensity	Lifestyle	Interven%ons	or	Pharmacotherapy	Combined	
with	Low-to-Moderate-Intensity	Lifestyle	Counseling.	
Heyms鍖eld	SB,	Wadden	TA.	N	Engl	J	Med	2017	
Not	approved	by	the	EMA	
Not	approved	by	the	EMA	
Current	Op0ons	for	a	Weight	Centered	Approach
The	Look	Ahead	Trial	
(RCT:	intensive	LII	versus	control	group	in	5145	subjects	with	T2D,	and	BMI	36	kg/m2)	
High	Intensity	Lifestyle	Interven0on	in	pa0ents	with	Diabetes	
Weight	Changes	
Ini0al	bene鍖ts	of	current	lifestyle	interven0ons	are	di鍖cult	to	sustain	
The	Look	Ahead	Research	Group.	N	Eng	J	Med	2013	
Fitness	Changes
The	Look	Ahead	Trial	
(RCT:	intensive	LII	versus	control	group	in	5145	subjects	with	T2D,	and	BMI	36	kg/m2)	
High	Intensity	Lifestyle	Interven0on	in	pa0ents	with	Diabetes	
DM	remission	over	4	years	
Posi0ve	impact	of	WL	but	limited	because	
of	weight	regain	
Gregg	EW	et	al.		JAMA	2012	
Is	MODEST	weight	loss	worthless	in	T2D?		
The	Look	Ahead	Research	Group.	N	Eng	J	Med	2013	
Changes	in	the	incidence	of	CV	disease
The	Look	Ahead	Trial	
(RCT:	intensive	LII	versus	control	group	in	5145	subjects	with	T2D,	and	BMI	36	kg/m2)	
High	Intensity	Lifestyle	Interven0on	in	pa0ents	with	Diabetes	
Post-hoc	analysis	based	on	the	achievement	of	>10%	WL	irrespec%ve	of	the	study	group	
The	Look	Ahead	Research	Group.	Lancet	2016	
0.4	
0.6	
0.8	
1	
1.2	
1.4	
1.6	
<2%	loss	 2-5%	loss	 5-10%	loss	 >10%	loss	
p=0.034	
Adjusted	Hazard	ra%o	(95%	CI)	
Incidence	of	CVD	at	10	y	
Weight	Loss	Category	at	1	y	follow	up	
1.00	 1.08	
1.16	
0.79	
0	
10	
20	
30	
40	
50	
<2%	WL	 2-5%	WL	 5-10%	WL	 >	10%	WL	
Distribu%on	of	WL	categories	
%	ILI									18%																47%													75%																92%	
%	cont					82%																53%													25%																		8%	
≒	Posi0ve	impact	of	WL	on	CVD,	if	>10%	WL	is	achieved	
≒	Importance	of	iden0fying	responders	and	factors	associated	
with		likelihood	of	>10%	WL
Fujioka	et	al.	Diabetologia	2014;57(Suppl.	1):Abstract	904-P	
63.1	
27.1	
33.1	
10.6	
49.6	
23.7	24.8	
9.9	
0	
20	
40	
60	
80	
Liraglu0de	 Placebo	
>5%	WL-12	m	
>10%	WL-12	m	
>5%	WL-36	m	
>10%	WL-36	m	
Scale	Prediabetes	Trial	
An0-Obesity	Drugs	Study	Subjects	(%)	
≒	E鍖ec0ve	in	facilita0ng	the	
achievement	of	WL	goals
Weight	Loss	at	1	Year	with	Bariatric	Surgery	and	Lifestyle	Interven%ons	as	Compared	with	
Lifestyle	Interven%ons	Alone.	
Bariatric	Surgery	
Heyms鍖eld	SB,	Wadden	TA.	N	Engl	J	Med	2017
Bariatric	Surgery	and	Type	2	Diabetes	
-0.6賊2.5%	
-2,5賊1,9%	
-2,5賊2,1%	
STAMPEDE	Trial-Cleveland	Clinic:	3	years	FU	
(n=137,	Age	48	y,	BMI	36,5	kg/m2,	HbA1c	preQ	9,3%,	DM	dura0on	8,3	y,	Insulin	Rx	43%)			
Schauer	et	al.		N	Eng	J	Med	2014	
Time	course	of	HbA1c	Time	course	of	Body	Mass	Index
Sjostrom	L,	J	Int	Med	2013	
Swedish	Obese	Subjects	Study	
Control,	n=2037;	Bariatric	Surgery,	n=	2010	(>10	years	follow	up)	
1. Major	and	sustained	weight	loss	compared	to	conven0onal	treatment	
2. Reduc0on	of	all	cause	mortality	
3. Reduc0on	of	cardiovascular	mortality	and	incidence	of	1st	CV	event	(fatal	or	no	fatal)	
4. Preven0on	and	remission	of	diabetes	
5. Reduc0on	of	the	incidence	of	myocardial	infarc%on	in	subjects	with	T2D	
6. Reduc0on	of	obesity-related	cancer	incidence	and	mortality	(in	women)	
7. Improved	quality	of	life	
8. Reduc0on	of	health	costs	(up	to	20	years	follow	up)	
Health	Bene鍖ts	Associated	with	Bariatric	Surgery
Approaching	an	overwhealming	task	
Too	many	pa0ents!	
BMI	in	the	obesity	range	
Health	
Impact	
Concentrate	on	Those	with	the		
Greatest	Health	Impact	
Trea0ng	Obesity:	The	Way	Forward
Summary	
≒ Tackling	the	obesity	epidemics	requires	ac0on	beyond	preven0on	
≒ Trea0ng	obesity	is	an	e鍖ec0ve	means	to	improve	obesity-related	
comorbidi0es	
≒ E鍖orts	should	be	made	to	make	e鍖ec0ve	therapies	available	to	
obese	subjects	with	obesity-related	comorbidi0es	
 Although	high-intensity	lifestyle	interven0ons	are	e鍖ec0ve,	research	is	
needed		to	beler	uon	how	make	these	interven0ons	feasible	
 More	research	is	needed	to	substan0ate	the	bene鍖ts	of	drug-assissted	
weight	loss	
 E鍖orts	should	be	made	to	make	bariatric	surgery	to	eligible	pa0ents

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