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GLP-1 Receptor Agonists: A Promising Therapy for Modern Lifestyle Diseases with Unforeseen Challenges
Patrycja Kupnicka1, Małgorzata Król1, Justyna Żychowska1
1Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland.
Abstract:
Modern lifestyle diseases remain a persistent challenge in healthcare. Currently, about 422 million people worldwide are affected by diabetes, while 1 in 8 people are living with obesity. The development of glucagon-like peptide 1 receptor agonists (GLP-1RAs) has marked a significant milestone in treating these conditions. Interest in GLP-1RAs has grown due to evidence that, beyond their established role in diabetes management, these drugs influence other metabolic disorders. This is attributed to the fact that GLP-1 receptors are found in various healthy human tissues. However, a potential cause for concern is the expression of GLP-1 receptors in certain cancers. This review focuses on the most recent findings concerning the actions of GLP-1RAs, detailing their documented impact on the thyroid gland and pancreas. It addresses concerns about the long-term use of GLP-1RAs in relation to the development of pancreatitis, pancreatic cancer, and thyroid neoplasms by exploring the mechanisms and long-term effects in different patient subgroups and including data not discussed previously. This review was conducted through an examination of the literature available in the MedLine (PubMed) database, covering publications from 1978 to 10 May 2024. The collected articles were selected based on their relevance to studies of GLP-1 agonists and their effects on the pancreas and thyroid and assessed to meet the established inclusion criteria. The revised papers suggest that prolonged use of GLP-1RA could contribute to the formation of thyroid tumors and may increase the risk of acute inflammatory conditions such as pancreatitis, particularly in high-risk patients. Therefore, physicians should advise patients on the need for more frequent and detailed follow-ups.
Insights
Glucagon-like peptide 1 receptor agonists (GLP-1RAs) effectively treat diabetes and obesity but may increase risks for pancreatitis and thyroid tumors with prolonged use. Patients require closer monitoring for these potential adverse effects.
Area of Science:
- Endocrinology
- Oncology
- Pharmacology
Background:
- Lifestyle diseases like diabetes and obesity affect millions globally.
- Glucagon-like peptide 1 receptor agonists (GLP-1RAs) are vital for managing these conditions.
- GLP-1 receptors are present in various tissues, including those implicated in cancer development.
Purpose of the Study:
- To review recent findings on GLP-1RAs' effects on the thyroid and pancreas.
- To investigate potential links between long-term GLP-1RA use and pancreatitis, pancreatic cancer, and thyroid neoplasms.
- To explore underlying mechanisms and long-term effects in diverse patient groups.
Main Methods:
- Comprehensive literature review of MedLine (PubMed) database.
- Inclusion of publications from 1978 to May 2024.
- Selection based on relevance to GLP-1 agonists' effects on pancreas and thyroid.
Main Results:
- Prolonged GLP-1RA use may be associated with an increased risk of thyroid tumor formation.
- GLP-1RA therapy might elevate the risk of acute pancreatitis, especially in high-risk individuals.
- Evidence suggests a need for further investigation into GLP-1RAs' oncogenic and inflammatory potential.
Conclusions:
- Physicians should counsel patients on potential risks associated with long-term GLP-1RA use.
- Increased frequency and detail in patient follow-ups are recommended.
- Further research is warranted to fully elucidate the long-term safety profile of GLP-1RAs.
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