Evidence map›Paper›PMID 33082749›Full record

ArticleCase reports in oncology

Major Durable Response of Pembrolizumab in Chemotherapy Refractory Small Cell Bladder Cancer: A Case Report.

Olav Toai Duc Nguyen, Stein Harald Sundstrøm, Ganna Surzhykova Westvik, Ane Karoline Stræte Røttereng, Mona Røli Melhus, Cecilie Bergseth, Elisabeth Kvelstad Hallem, Oluf Dimitri Røe

Abstract readCase Reports
In one paragraph

Article in Case reports in oncology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
–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.

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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

8 authors.

Olav Toai Duc NguyenDepartment of Oncology, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway.
Stein Harald SundstrømDepartment of Oncology, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway.
Ganna Surzhykova WestvikDepartment of Oncology, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway.
Ane Karoline Stræte RøtterengDepartment of Oncology, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway.
Mona Røli MelhusDepartment of Oncology, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway.
Cecilie BergsethDepartment of Oncology, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway.
Elisabeth Kvelstad HallemDepartment of Oncology, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway.
Oluf Dimitri RøeDepartment of Oncology, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Small cell carcinoma of the urinary bladder is a rare subtype (incidence of 1-9/1,000,000), characterized by an aggressive behavior with early metastasis and poor prognosis. Chemotherapy, radiation, and surgery are the usual treatment options, but to date, no accepted standard treatment exists. Since small cell bladder cancer shares similar clinicopathological features with small cell lung cancer, the same type of chemotherapy has been used. Recently, immune checkpoint inhibitors have shown effect in small cell lung cancer, but data regarding small cell bladder cancer is insufficient. Here we present a case where a 73-year-old male with chemorefractory metastatic small cell bladder cancer received a successful treatment with immune checkpoint inhibitor pembrolizumab resulting in a major durable response and no side effects. To our knowledge, this is the second case report on successful treatment of the rare subtype of small cell bladder cancer with an immune checkpoint inhibitor, supporting the use of pembrolizumab as a therapeutic option for small cell bladder cancer. Serum neuron-specific enolase was a useful biomarker both for chemo- and immunotherapy response.

Indexed as

BiomarkersImmunotherapyLiver metastasisSmall cell bladder carcinomaSmall cell carcinoma

Identifiers

PMID33082749
PMCPMC7548951

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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.