What is GIP

GIP, or glucose-dependent insulinotropic polypeptide, is an incretin hormone that plays a significant role in glucose metabolism and energy homeostasis. Produced by K cells in the small intestine, GIP is released in response to nutrient intake, particularly fats and carbohydrates. Its primary function is to stimulate insulin secretion from pancreatic beta cells in a glucose-dependent manner, meaning it enhances insulin release only when blood glucose levels are elevated.

Beyond its insulinotropic effects, GIP has several other important physiological functions. It promotes the storage of fatty acids in adipose tissue, potentially contributing to weight gain in some contexts. GIP also has effects on bone metabolism, enhancing bone formation and reducing bone resorption. In the central nervous system, GIP may influence appetite regulation and cognitive function, although these effects are still being studied.

The role of GIP in metabolic disorders, particularly type 2 diabetes and obesity, has garnered significant research interest. In type 2 diabetes, there is often a reduced insulinotropic effect of GIP, contributing to impaired insulin secretion. This has led to the development of dual GIP and GLP-1 receptor agonists, such as tirzepatide, which have shown remarkable efficacy in both glycemic control and weight loss. These medications leverage the complementary effects of GIP and GLP-1 to enhance metabolic regulation. As research continues, the full therapeutic potential of targeting GIP pathways in metabolic and other disorders is still being explored, offering promising avenues for future treatments.

Current researches about GIP

Semaglutide 2.4 mg for weight loss in adults with overweight or obesity

06/18/2022

Ides M Colin and Katherine M Gérard

The phase III STEP clinical program has made significant strides in the field of obesity treatment, highlighting that a 2.4 mg semaglutide dosage offers clinically meaningful and lasting weight loss, surpassing results from other available obesity agents. The study underscores the positive impact of semaglutide for weight loss, not just in shedding pounds but also in enhancing the quality of life and health of individuals with obesity or overweight, with or without type 2 diabetes (T2D).

Remarkably, the research revealed that semaglutide could facilitate double-digit weight loss, which is linked to the potential remission of T2D. This finding is particularly groundbreaking as it shifts the treatment paradigm from focusing primarily on glucose control to a more weight-centric approach. With semaglutide for weight loss in 2.4 ml dosage, achieving ambitious weight loss goals is now within reach, prompting a reevaluation of current T2D treatment strategies.

Furthermore, the use of once-weekly semaglutide for weight loss in nondiabetics is poised to become an integral component in treating individuals with obesity or overweight, irrespective of their T2D status. This is largely due to its ability to address the pathological connection between obesity and T2D directly. Semaglutide doesn't just aid in weight reduction; it also has the potential to improve or even prevent complications associated with T2D. Additionally, it can alleviate numerous physical and mental health issues that often accompany obesity, making it a multifaceted tool in the fight against obesity-related health challenges.

Weight loss outcomes associated with semaglutide treatment for patients with overweight or obesity

09/19/2022

Wissam Ghusn, MD, et al.

The utilization of semaglutide for weight loss has demonstrated promising outcomes, especially for patients with overweight or obesity. In a real-world clinical setting, the effects of semaglutide treatment have mirrored the impressive weight loss results seen in randomized clinical trials. This correlation strongly suggests the practical applicability and effectiveness of semaglutide in treating individuals struggling with weight issues.

In a detailed cohort study involving 175 patients with overweight or obesity, the impact of semaglutide on weight reduction was closely monitored. The results were noteworthy: patients experienced an average total body weight loss of 5.9% at the 3-month mark and an even more significant 10.9% at 6 months. These percentages are indicative of semaglutide’s potent capability to aid weight loss over a relatively short period. The consistency of these results, aligning with those from controlled clinical trials, highlights semaglutide as a viable and potent option for those seeking medical assistance in their weight loss journey.

Once-weekly semaglutide in adolescents with obesity

12/15/2022

Daniel Weghuber, M.D., et al.

In a comprehensive study involving 201 adolescents, most of whom were battling obesity, the effectiveness of semaglutide was put to the test. Out of all participants, an impressive 90% adhered to the treatment regimen until its completion. The treatment plan was distinctive, combining a once-weekly 2.4-mg dosage of semaglutide with targeted lifestyle interventions aimed at fostering healthier habits. Over the course of 68 weeks, the results were striking. Those in the semaglutide group witnessed a significant decrease in BMI, averaging a notable reduction of − 16.1%. This was in stark contrast to the placebo group, which only recorded a minimal change of 0.6%. The difference between the two groups was substantial, highlighting the efficacy of semaglutide in this context.

But the benefits of semaglutide went beyond mere weight loss. The study also found that adolescents receiving semaglutide experienced greater improvements in various cardiometabolic risk factors compared to their counterparts in the placebo group.These findings illuminate the promise of semaglutide for weight loss and health improvement in adolescents with obesity. The combination of semaglutide with lifestyle changes emerged as a potent approach, offering a viable and effective pathway for managing adolescent obesity and its associated health risks.