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 recognized beneath the commerce names Ozempic and Wegovy, is outstanding, however it’s not completely unprecedented within the historical past of pharmaceutical blockbusters.
The amount of prescriptions and the funds allotted to them by public medical insurance schemes are exploding, as are the earnings of the businesses that manufacture them.
A part of the recognition of those medication owes to social networks, however these are usually not at all times the most effective supply for well being info. With regards to 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 drugs (Université de Montréal), diet and meals science (Université Laval), the sociology of remedy (Université de Montréal) and endocrinology (Institut de recherches cliniques de Montréal), we really feel it’s a necessity to step again and take inventory of each the guarantees and the restrictions of those new remedies.
The perfect of each worlds
GLP-1/GIP analogs had been initially developed to control glycemia (blood sugar ranges) in folks 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 greater doses, the medication may result in very important weight reduction, from 15 to 25% of the beginning weight.
The mode of motion of those medication on blood sugar regulation is obvious: they simulate incretin hormones which, in flip, enhance insulin secretion. Weight reduction, however, was solely defined after the actual 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 cut 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 totally 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 folks 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 modifications in way of life are definitely 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 position within the improvement of Sort 2 diabetes and weight problems; on the opposite, as a result of these circumstances are multifactorial, administration of them should be complete to be efficient and lengthy lasting: it should mix medical interventions but additionally dietary, useful, psycho-social, environmental and even institutional interventions.
Assist companies of this sort do exist, however solely in massive college hospital facilities to which many individuals shouldn’t have entry. Nor do many individuals have easy accessibility to wholesome and various meals choices, sports activities amenities or social and psychological assist.
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 modifications, 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 folks and youngsters) achieves the really helpful quantity of weekly bodily exercise. In accordance with 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, shedding pounds doesn’t imply one will change into extra energetic or more healthy. So these new medication don’t remedy Sort 2 diabetes or weight problems. Nor do they stop these ailments from growing, though they do assist to restrict the numerous problems to which they offer 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 straight by household medical doctors and distributed in pharmacies, it will even be far more accessible and simpler to manage for individuals who want it.
This raises the query of prices and reimbursement, however not solely that: prescribing shouldn’t be 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 a detailed and common monitoring of weight loss program, bodily exercise, psychological well being, and if vital, 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 shouldn’t be whether or not the therapy will likely be efficient, however what can occur whether it is. Shedding 25% of your physique weight in just some months has severe penalties, which aren’t at all times useful: it entails 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. Shedding weight does not clear up all the things, and expectations should stay reasonable.
What classes can we be taught?
The medical effectiveness of GLP-1/GIP analogs in lowering the problems related to Sort 2 diabetes and weight problems is indeniable. Nonetheless, these medication are usually not appropriate for everybody, and they’re definitely not miracle cures that may make it doable for one to regain well being with out making any modifications to way of life or surroundings.
We should keep in mind that their success, each industrial and medical, can be the results of a failure: that of our societies to stop these ailments, to advertise wholesome life and to develop environments conducive to the well being of all.
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