Evidence map›Paper›PMID 38880908›Full record

ArticleRadiation oncology (London, England)2024

Stereotactic body radiation therapy is beneficial for a subgroup of patients with urothelial cancer and solitary metastatic disease: a single institution real-world experience.

Fernanda Costa Svedman, Karin Holmsten, Faith Jawdat, Wehazit Hailom, Daniel Alm, Vitali Grozman, Anders Ullén

Abstract read
In one paragraph

Article in Radiation oncology (London, England), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

5 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Fernanda Costa Svedman *Department of Oncology-Pathology, Karolinska Institute, Stockholm, Sweden. fernanda.costa-svedman@regionstockholm.se.
Karin Holmsten *Department of Oncology-Pathology, Karolinska Institute, Stockholm, Sweden.
Faith JawdatDepartment of Oncology-Pathology, Karolinska Institute, Stockholm, Sweden.
Wehazit HailomDepartment of Pelvic Cancer, Genitourinary Oncology and Urology Unit, Theme Cancer, Karolinska University Hospital, Stockholm, 171 76, Sweden.
Daniel AlmDepartment of Radiation Oncology, Karolinska University Hospital, Stockholm, Sweden.
Vitali GrozmanDepartment of Radiology, Karolinska University Hospital, Stockholm, Sweden.
Anders UllénDepartment of Oncology-Pathology, Karolinska Institute, Stockholm, Sweden.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundStandard treatment options for patients with metastatic urothelial cancer (mUC) include systemic platinum-based chemotherapy, immunotherapy, antibody-drug-conjugates, and targeted therapy. Oligometastatic disease (OMD) may be an intermediate state between localized and generalized cancer. The best treatment strategy for OMD and oligoprogressive (OPD) disease is poorly studied in mUC but local stereotactic body radiation therapy (SBRT) could be an option to avoid or delay systemic treatment. The aim of this study was to assess the efficacy and feasibility of SBRT given in a real-world patient population.

methodsAll patients with mUC treated with SBRT at Karolinska University Hospital, Stockholm, Sweden between 2009 and 2022 were included in this study. Baseline clinical characteristics, treatment data, SBRT dosimetry data and treatment outcome were collected retrospectively. The study endpoints were local control rate (LCR), progression-free-survival (PFS), overall survival (OS) and feasibility of SBRT.

resultsIn total 39 patients were treated with SBRT. The median follow-up was 25.6 months. The LCR was 82%. PFS and OS were 4.1 and 26.2 months, respectively. Treatment was well tolerated; all patients but one (treatment related pain) completed the planned SBRT. Number of metastases irradiated with SBRT was significantly associated with outcome; patients with only one irradiated lesion had more favourable PFS compared to individuals with 2 or more metastases (HR 4.12, 95% CI: 1.81-9.38, p = 0.001). A subgroup of patients (15%) achieved a sustained long-term survival benefit and never required systemic treatments after SBRT.

conclusionsSBRT was well tolerated and associated with high LCR. A subpopulation of patients with single metastatic lesion achieved long-term OS and never required subsequent systemic treatment after SBRT. Prospective randomized studies are warranted to discover treatment predictive biomarkers and to investigate the role of SBRT in oligometastatic UC.

Indexed as

RadiosurgeryAdultAgedAged, 80 and overFemaleHumansMaleMiddle AgedNeoplasm MetastasisRetrospective StudiesSurvival RateUrinary Bladder NeoplasmsUrologic NeoplasmsOligometastaticOligoprogressiveSBRTStereotactic body radiation therapyUrothelial cancer

Identifiers

PMID38880908
PMCPMC11181669

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.