Abstract
Background
It is unknown whether five-year overall survival (OS) differs and to what extent between testicular germ-cell tumor (TGCT) patients and age-matched male population-based controls.
Materials
We identified newly diagnosed (2004–2014) TGCT patients within Surveillance Epidemiology and End Results database 2004–2019. We compared OS between non-seminoma (NS-TGCT) and seminoma (S-TGCT) patients relative to age-matched male population-based controls based on Social Security Administration Life-Tables. Smoothed cumulative incidence plots displayed cancer-specific mortality (CSM) vs. other-cause mortality (OCM).
Results
Of all 20,935 TGCT patients, 43% had NS-TGCT and 57% had S-TGCT. Of NS-TGCT patients, 63% were stage I vs. 16% stage II vs. 21% stage III. Of S-TGCT patients, 86% were stage I vs. 8% were stage II vs. 6% stage III. Five-year OS differences between NS-TGCT patients vs age-matched male population-based controls were 97 vs. 99% (Δ = 2%) for stage I, 96 vs. 99% (Δ = 3%) for stage II, 76 vs 98% (Δ = 22%) for stage III. Five-year OS differences between S-TGCT patients vs age-matched male population-based controls were 97 vs. 98% (Δ = 1%) for stage I, 95 vs. 97% (Δ = 2%) for stage II, 87 vs. 98% (Δ = 11%) for stage III. OCM rates ranged from 1 to 3% in NS-TGCT patients and from 2 to 4% in S-TGCT patients.
Conclusion
The OS difference between NS-TGCT patients vs. age-matched male population-based controls was invariably higher across all stages (2–22%) than for S-TGCT patients (1–11%). Reassuringly, OCM rates were marginal in stage I and stage II patients. Conversely, higher OCM rates were recorded in stage III patients.
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Data availability
All data generated for this analysis were from the SEER database (https://seer.cancer.gov/data/). The code for the analyses will be made available upon request.
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Conceptualization and Methodology: SM, MLP; Acquisition of the data: SM, CCG, AB; Formal analysis: SM, ZT; Investigation and Data Curation: SM, ST, FB; Writing- Original Draft: SM, MLP, RBI, LS; Visualization: FS, VM, GC, CCR, SS, OdC, GM, FKHC, CT, AB, DT, SA, LC; Funding acquisition: N/A; Supervision: NL, PIK; Project administration: PIK.
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Shahrokh F. Shariat: Horonraria: Astellas, Astra Zeneca, Bayer, BMS, Cepheid, Ferring, lpsen, Janssen, Lilly, MSD, Olympus, Pfizer, Pierre Fabre, Richard Wolf, Roche, Sanochemia, Sanofi, Takeda, Urogen. Consulting or Advisory Role: Astellas, Astra Zeneca, Bayer, BMS, Cepheid, Ferring, lpsen, Janssen, Lilly, MSD, Olympus, Pfizer, Pierre Fabre, Richard Wolf, Roche, Sanochemia, Sanofi, Takeda, Urogen. Speakers’ Bureau: Astellas, Astra Zeneca, Bayer, BMS, Cepheid, Ferring, lpsen, Janssen, Lilly, MSD, Olympus, Pfizer, Pierre Fabre, Richard Wolf, Roche, Sanochemia, Sanofi, Takeda, Urogen, Movember Foundation. Patents: Method to determine prognosis after therapy for prostate cancer - granted 2002-09-06, Methods to determine prognosis after therapy for bladder cancer - granted 2003-06-19, Prognostic methods for patients with prostatic disease - granted 2004-08-05; Soluble Fas urinary marker for the detection of bladder transitional cell carcinoma - granted 2010-07-20. Our research was conducted without any other potential conflicts of interest.
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All analyses and their reporting followed the SEER reporting guidelines. Due to the anonymously coded design of the SEER database, study‐ specific Institutional Review Board ethics approval as not required.
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Morra, S., Piccinelli, M.L., Cano Garcia, C. et al. Differences in future life expectancy of testicular germ-cell tumor patients vs. age-matched male population-based controls. Int Urol Nephrol 55, 3119–3128 (2023). https://doi.org/10.1007/s11255-023-03763-2
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DOI: https://doi.org/10.1007/s11255-023-03763-2