by Aude Bandini, Jean-Philippe Drouin-Chartier, Pierre-Marie David and Rémi Rabasa-Lhoret, The Dialog
The craze for brand new medication within the GLP-1 (Glucagon-like peptide 1) and GIP (Gastric inhibitory polypeptide) analog class, higher identified beneath the commerce names Ozempic and Wegovy, is outstanding, however it’s not completely unprecedented within the historical past of pharmaceutical blockbusters.
The quantity of prescriptions and the funds allotted to them by public medical insurance schemes are exploding, as are the income of the businesses that manufacture them.
A part of the recognition of those medication owes to social networks, however these usually are not at all times the most effective supply for well being info. In the case of the topic of weight reduction, each fantasy and prejudice come into play. This works to the detriment of everybody’s well-being, however notably those that are already stigmatized.
As specialists within the philosophy of medication (Université de Montréal), diet and meals science (Université Laval), the sociology of medicine (Université de Montréal) and endocrinology (Institut de recherches cliniques de Montréal), we really feel it is necessary to step again and take inventory of each the guarantees and the restrictions of those new remedies.
The most effective of each worlds
GLP-1/GIP analogs had been initially developed to manage glycemia (blood sugar ranges) in individuals with Sort 2 diabetes, thereby stopping the problems related to this illness. When research had been carried out to evaluate their security and efficacy, it was found that these medication additionally led to weight reduction. This prompted new analysis which confirmed that at larger doses, the medication may result in very vital weight reduction, from 15 to 25% of the beginning weight.
The mode of motion of those medication on blood sugar regulation is evident: they simulate incretin hormones which, in flip, improve insulin secretion. Weight reduction, then again, was solely defined after the very fact: along with the pancreas, these molecules additionally act on the mind by regulating the feeling of satiety and, not directly, on the abdomen by slowing gastric emptying. These two mixed results scale back urge for food and result in weight discount.
That is how a brand new use for the drug appeared, at which level the corporate Novo Nordisk started advertising and marketing the identical drug beneath two completely different names: Ozempic to deal with Sort 2 diabetes, and Wegovy to handle weight problems.
A brand new period
GLP-1/GIP analogs are a welcome therapeutic breakthrough at a time when the prevalence of Sort 2 diabetes and weight problems is exploding and affecting individuals youthful and youthful.
These ailments notably have an effect on ladies, members of racialized teams and socio-economically deprived populations. The bodily and psychological struggling these trigger and the prices related to treating them are each appreciable. So the arrival of latest weapons within the therapeutic arsenal is a supply of hope.
Draconian adjustments in way of life are actually efficient. However they’re very tough to implement and preserve over time for causes that transcend the person sphere; on the one hand, genetic predisposition performs a significant function within the improvement of Sort 2 diabetes and weight problems; on the opposite, as a result of these situations are multifactorial, administration of them should be complete to be efficient and lengthy lasting: it should mix medical interventions but additionally dietary, practical, psycho-social, environmental and even institutional interventions.
Assist companies of this type do exist, however solely in giant college hospital facilities to which many individuals shouldn’t have entry. Nor do many individuals have quick access to wholesome and diverse meals choices, sports activities services or social and psychological help.
Treating the results however not the causes
To be efficient over the long run, GLP-1/GIP analogs should be taken repeatedly: with out drastic way of life adjustments, the weight that was misplaced is regained inside a yr of stopping, and glycemic management is compromised as soon as once more.
In different phrases, the medication deal with the results of Sort 2 diabetes and weight problems however not their causes. And but a few of these causes are modifiable: for instance, in line with Statistics Canada, lower than half the Canadian inhabitants (49.2% for adults; 43.9% for younger individuals and youngsters) achieves the advisable quantity of weekly bodily exercise. In response to the identical supply, meals insecurity impacts round 14% of the Québec inhabitants (22% in Alberta).
Pharmacological therapy, even when it permits a person to eat much less, doesn’t essentially imply that particular person will eat higher. Equally, losing a few pounds doesn’t imply one will grow to be extra energetic or more healthy. So these new medication don’t treatment Sort 2 diabetes or weight problems. Nor do they forestall these ailments from growing, though they do assist to restrict the various problems to which they provide rise.
Prescribe and deal with
A drug comparable to Mounjaro is as efficient at weight reduction as bariatric surgical procedure. A lot simpler to manage and far much less dangerous, it might be an actual sport changer within the therapy of weight problems. Prescribed immediately by household docs and distributed in pharmacies, it might even be rather more accessible and simpler to manage for individuals who want it.
This raises the query of prices and reimbursement, however not solely that: prescribing isn’t the identical as treating. Right here, the producers are following the suggestions of the well being authorities: this therapy should be preceded by a cautious evaluation, then administration, and above all an in depth and common monitoring of weight-reduction plan, bodily exercise, psychological well being, and if mandatory, socio-economic help.
This requires not solely time that GPs shouldn’t have, but additionally co-ordination with different gamers within the health-care community. The issue isn’t whether or not the therapy will probably be efficient, however what can occur whether it is. Shedding 25% of your physique weight in only a few months has severe penalties, which aren’t at all times useful: it includes a lack of physique fats, but additionally of muscle mass, which is related to intense fatigue. Nor ought to we underestimate the problem of adapting bodily and psychologically to a physique transformation of this scale. Dropping pounds would not clear up every little thing, and expectations should stay sensible.
What classes can we study?
The scientific effectiveness of GLP-1/GIP analogs in lowering the problems related to Sort 2 diabetes and weight problems is indeniable. Nonetheless, these medication usually are not appropriate for everybody, and they’re actually not miracle cures that can make it doable for one to regain well being with out making any adjustments to way of life or atmosphere.
We should keep in mind that their success, each industrial and medical, can also be the results of a failure: that of our societies to forestall these ailments, to advertise wholesome life and to develop environments conducive to the well being of all.
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