Evidence map›Paper›PMID 34253846›Full record

ArticleProstate cancer and prostatic diseases2022

Impact of DNA damage repair defects on response to PSMA radioligand therapy in metastatic castration-resistant prostate cancer.

Bastiaan M Privé, Peter H J Slootbeek, Babette I Laarhuis, Samhita Pamidimarri Naga, Maarten J van der Doelen, Ludwike W M van Kalmthout, Bart de Keizer, Samer Ezziddin, Clemens Kratochwil, Alfred Morgenstern and 10 more

Abstract read
PubMed Publisher
In one paragraph

Article in Prostate cancer and prostatic diseases, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 1 pooled it
4.3field-weighted citation impact, top 5% 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

22 citing papers in PubMed, 1 synthesis or guideline pooled it, 39 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Review
  4. Article
  5. Variable cellular and radiobiological effects of [Journal of experimental & clinical cancer research : CR · 2026
    Article
  6. α-Therapy and Combination Strategies to Overcome Resistance and Enhance Clinical Outcomes in Prostate Cancer.Journal of nuclear medicine : official publication, Society of Nuclear Medicine · 2025
    Article
  7. Article
  8. Review
  9. Design ofAnnals of translational medicine · 2024
    Review
  10. [European journal of nuclear medicine and molecular imaging · 2024
    Article
  11. Review
  12. Article
  13. Review
  14. Review
  15. Impact ofTheranostics · 2024
    Article
  16. European urology open science · 2023
    Article
  17. Status ofWorld journal of urology · 2023
    Article
  18. Article
  19. Review
  20. 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

20 authors at 5 institutions in 2 countries.

Bastiaan M PrivéDepartment of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.ORCID http://orcid.org/0000-0002-4056-9117
Peter H J SlootbeekDepartment of Medical Oncology, Radboud University Medical Center, Nijmegen, The Netherlands.
Babette I LaarhuisDepartment of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.
Samhita Pamidimarri NagaDepartment of Medical Oncology, Radboud University Medical Center, Nijmegen, The Netherlands.
Maarten J van der DoelenDepartment of Urology, Radboud University Medical Center, Nijmegen, The Netherlands.
Ludwike W M van KalmthoutDepartment of Nuclear Medicine, University Medical Center Utrecht, Utrecht, The Netherlands.
Bart de KeizerDepartment of Nuclear Medicine, University Medical Center Utrecht, Utrecht, The Netherlands.
Samer EzziddinDepartment of Nuclear Medicine, Saarland University, Homburg, Germany.ORCID http://orcid.org/0000-0003-4110-3375
Clemens KratochwilDepartment of Nuclear Medicine, Heidelberg University Hospital, Heidelberg, Germany.
Alfred MorgensternDirectorate for Nuclear Safety and Security, European Commission, Joint Research Centre (JRC), Karlsruhe, Germany.
Frank BruchertseiferDirectorate for Nuclear Safety and Security, European Commission, Joint Research Centre (JRC), Karlsruhe, Germany.
Marjolijn J L LigtenbergDepartment of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands.ORCID http://orcid.org/0000-0003-1290-1474
J Alfred WitjesDepartment of Urology, Radboud University Medical Center, Nijmegen, The Netherlands.
Inge M van OortDepartment of Urology, Radboud University Medical Center, Nijmegen, The Netherlands.ORCID http://orcid.org/0000-0002-8002-1869
Martin GotthardtDepartment of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.
Sandra HeskampDepartment of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.
Marcel J R JanssenDepartment of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.
Winald R GerritsenDepartment of Medical Oncology, Radboud University Medical Center, Nijmegen, The Netherlands.ORCID http://orcid.org/0000-0001-8754-1210
James NagarajahDepartment of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands.ORCID http://orcid.org/0000-0002-3555-0809
Niven MehraDepartment of Medical Oncology, Radboud University Medical Center, Nijmegen, The Netherlands. Niven.Mehra@radboudumc.nl.ORCID http://orcid.org/0000-0002-4794-1831
Radboud University Nijmegen · NLJoint Research Centre · DEUniversity Medical Center Utrecht · NLHeidelberg University · DESaarland University · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeProstate-specific membrane antigen radioligand therapy (PSMA-RLT) is a novel treatment for castration-resistant prostate cancer (mCRPC). While the majority of patients responds to PSMA-RLT, with 10-15% having an exceptional response, approximately 30% of patients is unresponsive to PSMA-RLT. The molecular underpinning may in part explain these varying responses. This study investigated alterations in DNA damage repair (DDR) genes in tumour biopsies and their association with response to PSMA-RLT.

methodsA predefined retrospective cohort study was performed in mCRPC patients of whom the tumours had undergone next-generation sequencing of 40 DDR genes and received Lu-177-PSMA and/or Ac-225-PSMA-RLT. The primary outcome of this study was to compare the progression free survival (PFS) after PSMA-RLT for patients with and without pathogenic DDR aberrations in their tumour. Secondary outcomes were prostate-specific antigen (PSA) response and overall survival (OS).

resultsA total of 40 patients were included of which seventeen had a tumour with a pathogenic DDR aberration (DDR+), of which eight had defects in BRCA1/2. DDR+ patients had an equal varying response to PSMA-RLT compared to those without pathological DDR anomalies (DDR-) in terms of PFS (5.9 vs. 6.4 months, respectively; HR 1.14; 95% CI 0.58-2.25; p = 0.71), ≥50% PSA response (59% vs. 65%, respectively; p = 0.75) or OS (11.1 vs. 10.7 months, respectively; HR 1.40; 95% CI: 0.68-2.91; p = 0.36).

conclusionIn this study of a selected cohort, pathogenic DDR aberrations were not associated with exceptional responsiveness to PSMA-RLT. Translational studies in larger prospective cohorts are warranted to associate DDR gene defects with differential responses to PSMA-RLT.

Indexed as

Prostatic Neoplasms, Castration-ResistantActiniumDipeptidesDNA DamageHeterocyclic Compounds, 1-RingHumansMaleProspective StudiesProstate-Specific AntigenRetrospective StudiesTreatment OutcomeActiniumActinium-225DipeptidesHeterocyclic Compounds, 1-RingProstate-Specific Antigen

Identifiers

PMID34253846
OpenAlexW3182860045

What OpenQuestion holds

Textmetadata
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.