Anti-PD1-/PDL1-induced chronic intestinal pseudo-obstruction: three cases treated with vedolizumab after corticosteroid failure with mixed results
2024

Chronic Intestinal Pseudo-Obstruction from Anti-PD1/PDL1 Treatment

Sample size: 3 publication Evidence: low

Author Information

Author(s): Zenatri Morgan, Collins Michael, Alberto Tifanie, Farina Antonio, Collardeau-Frachon Sophie, Saint-Jean Mélanie, Bocquet François, Dumont Frederic, Honnorat Jérôme, Joubert Bastien, Raimbourg Judith

Primary Institution: Institut de Cancérologie de L’Ouest

Hypothesis

Can vedolizumab be an effective treatment for chronic intestinal pseudo-obstruction induced by anti-PD1/PDL1 therapy?

Conclusion

Vedolizumab does not currently appear to be an effective treatment for chronic intestinal pseudo-obstruction induced by anti-PD1/PDL1 therapy, with only one patient showing transient improvement.

Supporting Evidence

  • Vedolizumab was administered after corticosteroids failed in all three cases.
  • Only one patient showed a transient improvement after treatment with vedolizumab.
  • Chronic intestinal pseudo-obstruction is a rare and serious side effect of immune checkpoint inhibitors.

Takeaway

This study looked at three patients who had a serious stomach problem after cancer treatment. They tried a new medicine, but it didn't help much.

Methodology

Retrospective case study of three patients with chronic intestinal pseudo-obstruction treated with vedolizumab after corticosteroid failure.

Potential Biases

The retrospective nature of the study may introduce bias in the selection and reporting of cases.

Limitations

The study is based on only three cases, which limits the generalizability of the findings.

Participant Demographics

Three patients: two women aged 48 and 40, and one man aged 61, with varying cancer types.

Digital Object Identifier (DOI)

10.1007/s00262-024-03901-4

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