The Effect of Immune Checkpoint Inhibitor Therapy on Pre-Existing Gastroparesis and New Onset of Symptoms of Delayed Gastric Emptying

Immune checkpoint inhibitors (ICIs) can cause myenteric plexopathy, which could result in delayed gastric emptying (GE) and possibly gastroparesis. We assessed the clinical outcomes of patients who had pre-existing gastroparesis or who developed symptoms of delayed GE following ICI therapy. We retro...

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Veröffentlicht in:Cancers 2024-08, Vol.16 (15), p.2658
Hauptverfasser: Urias Rivera, Andres C, Pizuorno Machado, Antonio, Shatila, Malek, Triadafilopoulos, George, McQuade, Jennifer L, Altan, Mehmet, Zhao, Dan, Wang, Yinghong, Shafi, Mehnaz A
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Sprache:eng
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Zusammenfassung:Immune checkpoint inhibitors (ICIs) can cause myenteric plexopathy, which could result in delayed gastric emptying (GE) and possibly gastroparesis. We assessed the clinical outcomes of patients who had pre-existing gastroparesis or who developed symptoms of delayed GE following ICI therapy. We retrospectively identified adults with ICD-9 and ICD-10 codes for gastroparesis who received ICI therapy between 1 January 2020 and 31 December 2022 at a tertiary cancer center. Of 76 eligible patients, 37 had pre-existing gastroparesis; 39 (0.2% of the more than 18,000 screened) developed symptoms of delayed GE after ICI therapy, of which 27 (69%) patients had an alternative etiology for delayed GE. Four patients (11%) with pre-existing gastroparesis had a flare-up after ICI, and the median time to flare-up was 10.2 months (IQR, 0.7-28.6 months); for patients with new onset of suspected delayed GE after ICI, the median time to symptom onset was 12.8 months (IQR, 4.4-35.5 months). The clinical symptom duration of patients without an alternative etiology (74.5 days (IQR, 21.5-690 days)) and those with an alternative etiology (290 days (IQR, 147-387 days)) did not differ significantly ( = 1.00). Delayed GE after ICI therapy is a rare presentation but has a late onset and a prolonged symptom duration.
ISSN:2072-6694
2072-6694
DOI:10.3390/cancers16152658