Newer parameters of the octreotide test in patients with acromegaly.
Acromegaly
IGF-I
Octreotide test
Somatostatin analog
Journal
Pituitary
ISSN: 1573-7403
Titre abrégé: Pituitary
Pays: United States
ID NLM: 9814578
Informations de publication
Date de publication:
24 Nov 2023
24 Nov 2023
Historique:
accepted:
23
10
2023
medline:
24
11
2023
pubmed:
24
11
2023
entrez:
24
11
2023
Statut:
aheadofprint
Résumé
Predicting the therapeutic effects of first-generation somatostatin receptor ligands (fg-SRLs) is important when assessing or planning effective treatment strategies in patients with acromegaly. The oft-used maximum growth hormone (GH) suppression rate parameter of the octreotide test has a suboptimal predictive value. Therefore, this study explored newer parameters of the octreotide test for predicting the therapeutic effect of long-acting fg-SRLs. In this single-center retrospective study, the octreotide test parameters and the therapeutic effects of fg-SRL at 3 months were investigated in 45 consecutive treatment-naïve patients with acromegaly between April 2008 and March 2023. Additionally, the relationship between the octreotide test parameters and the therapeutic effects of fg-SRLs was investigated. Tumor shrinkage was evaluated based on changes in the longitudinal diameter of the macroadenomas. The area GH suppression rate-time under the curve (AUC) and the time to nadir GH level were calculated and compared with the maximum GH suppression rate. The AUC estimated reductions in serum insulin-like growth factor I, and tumor shrinkage. The time to nadir GH level predicted tumor shrinkage more robustly than the maximum GH suppression rate in patients with macroadenoma. The AUC and time to nadir GH level may potentially be newer parameters of the octreotide test for estimating the therapeutic effect of fg-SRLs.
Identifiants
pubmed: 37999819
doi: 10.1007/s11102-023-01362-z
pii: 10.1007/s11102-023-01362-z
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
© 2023. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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