Research Assuages Thyroid Cancer Fears With GLP-one Receptor Agonists

Research Assuages Thyroid Cancer Fears With GLP-one Receptor Agonists

— Study findings aid conclusions of the European Medications Agency’s latest investigation

by Kristen MonacoSenior Team Writer, MedPage Right now

A Scandinavian cohort research instructed a common course of diabetic issues drug did not set clients at an elevated hazard for thyroid cancer, a longtime lingering problem with this drug class.

When compared with DPP-4 inhibitors, individuals who have been freshly prescribed a GLP-one receptor agonist did not have a significantly larger possibility of creating thyroid most cancers around an ordinary four-yr stick to-up (HR .ninety three, 95% CI .66-one.31), Björn Pasternak, MD, PhD, of the Karolinska Institutet in Stockholm, and colleagues reported in The BMJ.

Only seventy six of the one hundred forty five,410 clients who utilized a GLP-one agent developed thyroid most cancers (incidence rate one.33 activities for every 10,000 person-years), when 184 of 291,667 of new DPP-four users did (IR 1.46 occasions for each 10,000 man or woman-many years).

“The protection data documented listed here may possibly support inform selection building when procedure with GLP-one receptor agonists are considered,” Pasternak informed MedPage These days.

“Fears about thyroid cancer with GLP-one receptor agonists have lingered ever considering that the preclinical growth of these medicines, when experimental scientific tests showed improved prices of a certain sort of thyroid tumor in rodents,” he defined. “Though the relevance of this to people is not recognized, subsequent reports based mostly on various sources of facts in humans collectively place to the possibility that there might be an increased chance.”

He added that prior scientific studies have not been conclusive mainly because of info and methodology restrictions, foremost this opportunity drug security concern to be surrounded by uncertainty.

Pasternak pointed out that his examine supports the European Medicines Agency’s recent investigation into the issue that concluded that accessible proof did not assistance a causal url involving GLP-one agonists and thyroid cancer. This assessment integrated semaglutide (Ozempic, Wegovy, Rybelsus), liraglutide (Victoza, Saxenda), dulaglutide (Trulicity), and exenatide (Byetta, Bydureon).

When the Food and drug administration hasn’t done its individual investigation of this problem, the label of most accredited GLP-one receptor agonists carry a boxed warning about the chance for thyroid C-cell tumors and advise from use in sufferers with a personal or relatives history of medullary thyroid carcinoma or in these with many endocrine neoplasia syndrome style 2.

“Supplied that thyroid cancer is mentioned in the product label as a probable adverse event, spontaneous reporting may perhaps have been driven by medical professional and public recognition,” the researchers noted.

People from Denmark, Norway, and Sweden were represented in the evaluation. All included people have been concerning the ages of eighteen to eighty four recently initiating a GLP-one receptor agonist or DPP-four inhibitor. Prior thyroid cancer and genetic syndromes joined with thyroid cancer ended up two of the exclusion requirements.

The most typically prescribed GLP-one agent was liraglutide (57.three%), adopted by semaglutide (32.nine%), dulaglutide (4.nine%), exenatide (, and the now-discontinued lixisenatide (.nine%).

Researchers observed GLP-1s remained apparent of a thyroid-cancer backlink when they seemed more intently at distinctive subtypes of thyroid most cancers:

  • Papillary: HR .ninety two (95% CI .61-1.39)
  • Follicular: HR .99 (ninety five% CI .forty seven-2.08)
  • Medullary: HR 1.19 (95% CI .37-3.86)
  • Other: HR one.51 (ninety five% CI .44-five.twenty)

On the other hand, they noted there was only a modest quantity of these thyroid cancer subtypes and the estimates for subtypes other than papillary were “imprecise.” Since of the smaller sample measurements, they also could not evaluate subgroups of individuals, like those with prior cancers or people with ailments putting them at elevated thyroid cancer risk, like several endocrine neoplasia syndrome sort 2.

“We can not rule out that the hazard of specific subtypes of thyroid most cancers is elevated in more compact patient teams that we could not analyze in this article,” pointed out co-creator Peter Ueda, MD, PhD, also of the Karolinska Institutet, in a assertion.

The scientists also when compared GLP-1 users’ thyroid cancer chance towards users of one more new and common class of diabetic issues agents — SGLT2 inhibitors, such as dapagliflozin (Farxiga), canagliflozin (Invokana), empagliflozin (Jardiance), or ertugliflozin (Steglatro). When in contrast with the SGLT2 course, GLP-1 customers even now failed to have an elevated thyroid most cancers hazard (HR 1.16, 95% CI .sixty five-two.05).

  • author['full_name']

    Kristen Monaco is a senior team writer, concentrating on endocrinology, psychiatry, and nephrology news. Centered out of the New York Metropolis business office, she’s labored at the organization considering the fact that 2015.


The review was supported by grants from the Swedish Most cancers Society and the Swedish Exploration Council.

Pasternak and Ueda noted no disclosures. Other co-authors described relationships with NordicRWE, Amgen, AstraZeneca, Boehringer Ingelheim, Eli Lilly, Merck Sharp & Dohme, Mundipharma, Novo Nordisk, Sanofi, IQVIA, and VAC4EU.

Major Source


Supply Reference: Pasternak B, et al “Glucagon-like peptide 1 receptor agonist use and risk of thyroid most cancers: Scandinavian cohort analyze” BMJ 2024 DOI: 10.1136/bmj-2023-078225.

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