Outcomes of relapsed clinical stage I versus de novo metastatic testicular cancer patients: an analysis of the IGCCCG Update database.

Lauritsen, Jakob; Sauvé, Nicolas; Tryakin, Alexey; Jiang, Di Maria; Huddart, Robert; Heng, Daniel Y C; Terbuch, Angelika; Winquist, Eric; Chovanec, Michal; Hentrich, Marcus; Fankhauser, Christian D; Shamash, Jonathan; Del Muro, Xavier Garcia; Vaughn, David; Heidenreich, Axel; Sternberg, Cora N; Sweeney, Christopher; Necchi, Andrea; Bokemeyer, Carsten; Bandak, Mikkel; ... (2023). Outcomes of relapsed clinical stage I versus de novo metastatic testicular cancer patients: an analysis of the IGCCCG Update database. British journal of cancer, 129(11), pp. 1759-1765. Nature Publishing Group 10.1038/s41416-023-02443-3

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BACKGROUND

Active surveillance after orchiectomy is the preferred management in clinical stage I (CSI) germ-cell tumours (GCT) associated with a 15 to 30% relapse rate.

PATIENTS AND METHODS

In the IGCCCG Update database, we compared the outcomes of gonadal disseminated GCT relapsing from initial CSI to outcomes of patients with de novo metastatic GCT.

RESULTS

A total of 1014 seminoma (Sem) [298 (29.4%) relapsed from CSI, 716 (70.6%) de novo] and 3103 non-seminoma (NSem) [626 (20.2%) relapsed from CSI, 2477 (79.8%) de novo] were identified. Among Sem, no statistically significant differences in PFS and OS were found between patients relapsing from CSI and de novo metastatic disease [5-year progression-free survival (5y-PFS) 87.6% versus 88.5%; 5-year overall survival (5y-OS) 93.2% versus 96.1%). Among NSem, PFS and OS were higher overall in relapsing CSI patients (5y-PFS 84.6% versus 80.0%; 5y-OS 93.3% versus 88.7%), but there were no differences within the same IGCCCG prognostic groups (HR = 0.89; 95% CI: 0.70-1.12). Relapses in the intermediate or poor prognostic groups occurred in 11/298 (4%) Sem and 112/626 (18%) NSem.

CONCLUSION

Relapsing CSI GCT patients expect similar survival compared to de novo metastatic patients of the same ICCCCG prognostic group. Intermediate and poor prognosis relapses from initial CSI expose patients to unnecessary toxicity from more intensive treatments.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Haematology, Oncology, Infectious Diseases, Laboratory Medicine and Hospital Pharmacy (DOLS) > Clinic of Medical Oncology

UniBE Contributor:

Beyer, Jörg

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0007-0920

Publisher:

Nature Publishing Group

Language:

English

Submitter:

Pubmed Import

Date Deposited:

02 Oct 2023 10:45

Last Modified:

25 Nov 2023 00:14

Publisher DOI:

10.1038/s41416-023-02443-3

PubMed ID:

37777577

BORIS DOI:

10.48350/186834

URI:

https://boris.unibe.ch/id/eprint/186834

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