Evidence map›Paper›PMID 35773371›Full record

ArticleScientific reports2022

Comparative effectiveness of low-dose-rate brachytherapy with or without external beam radiotherapy in favorable and unfavorable intermediate-risk prostate cancer.

Hideyasu Tsumura, Nobumichi Tanaka, Tomohiko Oguchi, Takuya Owari, Yasushi Nakai, Isao Asakawa, Kazuyoshi Iijima, Haruaki Kato, Iwao Hashida, Ken-Ichi Tabata and 2 more

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 2 pooled it
1.1field-weighted citation impact, top 23% of its field
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

6 citing papers in PubMed, 2 syntheses or guidelines pooled it, 7 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Article
  4. Article
  5. Review
  6. Review
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

12 authors at 3 institutions in 1 country.

Hideyasu TsumuraDepartment of Urology, Kitasato University School of Medicine, 1-15-1 Kitasato Minami-ku, Sagamihara, Kanagawa, 252-0374, Japan. tsumura@med.kitasato-u.ac.jp.
Nobumichi TanakaDepartment of Urology, Nara Medical University, Kashihara, Japan.
Tomohiko OguchiDepartment of Urology, Nagano Municipal Hospital, Nagano, Japan.
Takuya OwariDepartment of Urology, Nara Medical University, Kashihara, Japan.
Yasushi NakaiDepartment of Urology, Nara Medical University, Kashihara, Japan.
Isao AsakawaDepartment of Radiation Oncology, Nara Medical University, Kashihara, Japan.
Kazuyoshi IijimaDepartment of Urology, Nagano Municipal Hospital, Nagano, Japan.
Haruaki KatoDepartment of Urology, Nagano Municipal Hospital, Nagano, Japan.
Iwao HashidaDepartment of Radiation Therapy, Nagano Municipal Hospital, Nagano, Japan.
Ken-Ichi TabataDepartment of Urology, Kitasato University School of Medicine, 1-15-1 Kitasato Minami-ku, Sagamihara, Kanagawa, 252-0374, Japan.
Takefumi SatohDepartment of Urology, Kitasato University School of Medicine, 1-15-1 Kitasato Minami-ku, Sagamihara, Kanagawa, 252-0374, Japan.
Hiromichi IshiyamaDepartment of Radiation Oncology, Kitasato University School of Medicine, Sagamihara, Japan.
Kitasato University · JPNagano Municipal Hospital · JPNara Medical University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We compared clinical outcomes associated with seed brachytherapy (SEED-BT) alone and SEED-BT plus external-beam radiotherapy (EBRT) for intermediate-risk prostate cancer using propensity score-matched analysis. From 2006 to 2011, 993 patients diagnosed with intermediate-risk were treated with either SEED-BT alone (n = 775) or SEED-BT plus EBRT (n = 158) at 3 tertiary hospitals. In the propensity score-matched analysis (102 pairs), median follow-up was 95 months (range 18-153 months). The 8-year biochemical recurrence-free rate (bRFR) was significantly better with SEED-BT alone than with combined radiotherapy (93.3% vs. 88.4%; HR 0.396; 95% CI 0.158-0.991). Grade 2 or greater late genitourinary toxicities were significantly fewer with SEED-BT alone than with combined radiotherapy (21.0% vs. 33.2%; HR 0.521; 95% CI 0.308-0.881). Similarly, grade 2 or greater late gastrointestinal toxicities were significantly fewer with SEED-BT alone (0% vs. 12.2%; HR 0.125; 95% CI 0.040-0.390). For the unfavorable intermediate-risk subgroups, SEED-BT alone yielded a significantly better bRFR than the combined radiotherapy (HR 0.325; 95% CI 0.115-0.915). SEED-BT alone might be a better disease-management plan than SEED-BT plus EBRT for intermediate-risk prostate cancer regardless of favorable and unfavorable characteristics.

Indexed as

BrachytherapyGastrointestinal DiseasesProstatic NeoplasmsHumansMalePropensity ScoreRadiotherapy DosageRetrospective Studies

Identifiers

PMID35773371
PMCPMC9246877
OpenAlexW4283748745

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.