Trends in the Abscopal Effect After Radiation to Spinal Metastases: A Systematic Review.

abscopal checkpoint inhibitors immunomodulators immunotherapy metastasis neurosurgery radiation spinal metastases spine

Journal

Cureus
ISSN: 2168-8184
Titre abrégé: Cureus
Pays: United States
ID NLM: 101596737

Informations de publication

Date de publication:
05 Oct 2019
Historique:
entrez: 23 11 2019
pubmed: 23 11 2019
medline: 23 11 2019
Statut: epublish

Résumé

While the abscopal effect has been previously described, the phenomenon has been poorly defined in the case of spinal metastases. This article is unique in that we present the first systematic review of the abscopal effect after radiation therapy to metastatic spinal cancer, especially since the spinal column represents one of the most common metastatic locations. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines in the Enhancing the QUAlity and Transparency Of health Research (EQUATOR) resources, a systematic review identified relevant studies via a computer-aided search of MEDLINE and Embase. Ten publications that met the inclusion and exclusion criteria from the PRISMA flow diagram described a total of 13 patients, 76.9% of whom demonstrated image findings of the abscopal effect. In summary, important trends in the nine patients who experienced the abscopal effect in this review include higher doses of radiation and treatment with immunomodulators, both of which may help guide treatment paradigms for spinal metastases superimposed on diffuse metastatic disease. These trends, however, still warrant further investigations with experimental and clinical studies for a mechanistic understanding of the abscopal effect.

Identifiants

pubmed: 31754579
doi: 10.7759/cureus.5844
pmc: PMC6830850
doi:

Types de publication

Journal Article Review

Langues

eng

Pagination

e5844

Informations de copyright

Copyright © 2019, Macki et al.

Déclaration de conflit d'intérêts

The authors have declared that no competing interests exist.

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Auteurs

Mohamed Macki (M)

Neurosurgery, Henry Ford Hospital, Detroit, USA.

Mohamed Fakih (M)

Neurosurgery, Henry Ford Hospital, Detroit, USA.

Jaafar Elmenini (J)

Neurosurgery, Henry Ford Hospital, Detroit, USA.

Sharath Kumar Anand (SK)

Neurosurgery, Henry Ford Hospital, Detroit, USA.

Adam M Robin (AM)

Neurosurgery, Henry Ford Hospital, Detroit, USA.

Classifications MeSH