Risk and Incidence of Endocrine Immune-Related Adverse Effects Under Checkpoint Inhibitor Mono- or Combination Therapy in Solid Tumors: A Meta-Analysis of Randomized Controlled Trials

J Clin Endocrinol MetabPublished Systematic review and meta-analysis of randomised trials

Pooled result · Any grade hypothyroidismResult — go to the resultRelative risk 7.81 95% CI 5.68–10.74

Authors' conclusion

We showed that risk, independent from cancer type, and incidence of eirAEs are substantially increased with ICI therapy. Combination of ICIs increases risk for eirAEs, especially for hypophysitis/hypopituitarism.

Study context

Population
Patients with solid tumors in randomized controlled studies (RCTs) assessing endocrine immune-related adverse effects (eirAEs) under immune checkpoint inhibitor (ICI) therapy; PubMed/Medline, Embase, Cochrane Library
Participants
42,886 patients69 RCTs
Comparison
ICI monotherapy or combination therapy vs control
Outcome
Risk and incidence of eirAEs of any grade and grade 3 to 5
Methodological detailsmeta-regression
  • Meta-regression

Pooled result

Any grade hypothyroidism

Relative risk

7.81

95% CI 5.68–10.74

P < 0.0001

ICIvs Control
RR 7.81 (95% CI 5.68–10.74); P < 0.0001

As reported in the abstract

Pooled incidence of any grade hypothyroidism
7.64% (95% CI, 6.23-9.17, P < .0001)

Further pooled results

OutcomeRR (95% CI)P value
Insulin-dependent DM1.52 (1.07–2.18)P = 0.02
Insulin-dependent DM — Pooled incidence of insulin-dependent DM
0.087% (95% CI, 0.019-0.189, P = .0006)

Meta-regression of risk factors for eirAEs

ICI combination (nivolumab plus ipilimumab; durvalumab plus tremelimumab) is an independent risk factor for any grade hypophysitis/hypopituitarism
ICI agent is an independent risk factor for adrenal insufficiency
Cancer type is not an independent risk factor for eirAEs

Original publication

Risk and Incidence of Endocrine Immune-Related Adverse Effects Under Checkpoint Inhibitor Mono- or Combination Therapy in Solid Tumors: A Meta-Analysis of Randomized Controlled Trials. J Clin Endocrinol Metab. Published 15 November 2023. doi:10.1210/clinem/dgad670

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