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Purpose: No consensus exists on the management of men with nonseminoma and viable nonteratomatous germ cell tumor in the postchemotherapy retroperitoneal lymph node dissection (pcRPLND) specimen after first-line chemotherapy. We analyzed surveillance versus different adjuvant chemotherapy regimens and the influence of time to pcRPLND on oncologic outcomes., Methods: Data on 117 men treated with cisplatin-based first-line chemotherapy between 1990 and 2018 were collected from 13 institutions. All patients had viable nonteratomatous germ cell tumor in the pcRPLND specimen. Surgery was performed after a median of 57 days, followed by either surveillance (n = 64) or adjuvant chemotherapy (n = 53). Primary end points were progression-free survival (PFS), cancer-specific survival (CSS), and overall survival (OS)., Results: After controlling for International Germ Cell Cancer Cooperative Group risk group and percent of viable malignant cells found at RPLND, no difference was observed between men managed with surveillance or adjuvant chemotherapy regarding PFS (hazard ratio [HR], 0.72 [95% CI, 0.32 to 1.6]; P = .4), CSS (HR, 0.69; 95% CI, 0.20 to 2.39; P = .6), and OS (HR, 0.78 [95% CI, 0.25 to 2.44]; P = .7). No statistically significant differences for PFS, CSS, or OS were observed on the basis of chemotherapy regimen or in men treated with pcRPLND ≤57 versus >57 days after first-line chemotherapy. Residual disease with <10% versus ≥10% viable cancer cells were associated with a longer PFS (HR, 3.22 [95% CI, 1.29 to 8]; P = .012). Relapse in the retroperitoneum was observed in 34 (29%) men., Conclusion: Men with a complete resection at pcRPLND and <10% viable cells have favorable outcomes without further treatment. Complete retroperitoneal resection seems more important than early pcRPLND.

Purpose: To evaluate whether selected modifiable patient-reported adverse health outcomes (AHOs) in testicular cancer survivors (TCSs) represent prognostic factors of overall mortality, cancer mortality, and first-time non-germ cell second cancer (SecCa) incidence., Patients and Methods: In 775 long-term TCSs (diagnosis: 1980-1994) who previously participated in a quality-of-life survey, 20-year mortality and SecCa incidence were compared between the surgery group (n = 272) and TCSs after platinum-based chemotherapy (PBCT; n = 503). A PBCT standard group (total cisplatin: ≤ 630 mg: n = 124) was separated from a PBCT high subgroup (total cisplatin: > 630 mg; n = 379). Univariate and multivariate analyses (Kaplan-Meier; Cox proportional hazard analyses) included age, treatment, and prior major physical comorbidity as nonmodifiable factors, whereas low socioeconomic status, unhealthy lifestyle, probable depression disorder, and neurotoxicity were modifiable AHOs., Results: For all TCSs, the cumulative overall 20-year mortality was 14% (95% CI, 11.8 to 16.8). Rising age, PBCT high, and comorbidity significantly increased the risk of overall mortality rate. Compared with a low-risk group (no AHO; n = 446) and with exception of neurotoxicity, this risk was further significantly enhanced by 80% in TCSs of a medium-risk group (one or two AHOs; n = 278). In men of a high-risk group (three AHOs; n = 47), the probability of overall mortality and of cancer mortality was eight-fold and five-fold increased, respectively. Risk grouping did not influence on SecCa incidence., Conclusion: Self-reported unfavorable modifiable AHO concerning lifestyle and psychosocial health are in TCSs independently and significantly associated with increased overall mortality and cancer mortality. Health professionals and the TCSs themselves, particularly those after PBCT high, should continuously be aware of these risk factors attempting maximal reduction of these AHOs and thereby supporting long-term survival.

Purpose: Using complete information regarding testicular cancer (TC) treatment burden, this study aimed to investigate cause-specific non-TC mortality with impact on previous treatment with platinum-based chemotherapy (PBCT) or radiotherapy (RT)., Methods: Overall, 5,707 men identified by the Cancer Registry of Norway diagnosed with TC from 1980 to 2009 were included in this population-based cohort study. By linking data with the Norwegian Cause of Death Registry, standardized mortality ratios (SMRs), absolute excess risks (AERs; [(observed number of deaths - expected number of deaths)/person-years of observation] ×10,000), and adjusted hazard ratios (HRs) were calculated., Results: Median follow-up was 18.7 years, during which non-TC death was registered for 665 (12%) men. Overall excess non-TC mortality was 23% (SMR, 1.23; 95% CI, 1.14 to 1.33; AER, 11.14) compared with the general population, with increased risks after PBCT (SMR, 1.23; 95% CI, 1.07 to 1.43; AER, 7.68) and RT (SMR, 1.28; 95% CI, 1.15 to 1.43; AER, 19.55). The highest non-TC mortality was observed in those < 20 years at TC diagnosis (SMR, 2.27; 95% CI, 1.32 to 3.90; AER, 14.42). The most important cause of death was non-TC second cancer with an overall SMR of 1.53 (95% CI, 1.35 to 1.73; AER, 7.94), with increased risks after PBCT and RT. Overall noncancer mortality was increased by 15% (SMR, 1.15; 95% CI, 1.04 to 1.27; AER, 4.71). Excess suicides appeared after PBCT (SMR, 1.65; 95% CI, 1.01 to 2.69; AER, 1.39). Compared with surgery, increased non-TC mortality appeared after 3 (HR, 1.47; 95% CI, 0.91 to 2.39), 4 (HR, 1.41; 95% CI, 1.01 to 1.99), and more than four (HR, 2.04; 95% CI, 1.25 to 3.35) cisplatin-based chemotherapy cycles after > 10 years of follow-up., Conclusion: TC treatment with PBCT or RT is associated with a significant excess risk of non-TC mortality, and increased risks emerged after more than two cisplatin-based chemotherapy cycles after > 10 years of follow-up.

Purpose: The classification of the International Germ-Cell Cancer Collaborative Group (IGCCCG) has been a major advance in the management of germ-cell tumors, but relies on data of only 660 patients with seminoma treated between 1975 and 1990. We re-evaluated this classification in a database from a large international consortium., Materials and Methods: Data on 2,451 men with metastatic seminoma treated with cisplatin- and etoposide-based first-line chemotherapy between 1990 and 2013 were collected from 30 institutions or collaborative groups in Australia, Europe, and North America. Clinical trial and registry data were included. Primary end points were progression-free survival (PFS) and overall survival (OS) calculated from day 1 of treatment. Variables at initial presentation were evaluated for their prognostic impact. Results were validated in an independent validation set of 764 additional patients., Results: Compared with the initial IGCCCG classification, in our modern series, 5-year PFS improved from 82% to 89% (95% CI, 87 to 90) and 5-year OS from 86% to 95% (95% CI, 94 to 96) in good prognosis, and from 67% to 79% (95% CI, 70 to 85) and 72% to 88% (95% CI, 80 to 93) in intermediate prognosis patients. Lactate dehydrogenase (LDH) proved to be an additional adverse prognostic factor. Good prognosis patients with LDH above 2.5× upper limit of normal had a 3-year PFS of 80% (95% CI, 75 to 84) and a 3-year OS of 92% (95% CI, 88 to 95) versus 92% (95% CI, 90 to 94) and 97% (95% CI, 96 to 98) in the group with lower LDH., Conclusion: PFS and OS in metastatic seminoma significantly improved in our modern series compared with the original data. The original IGCCCG classification retains its relevance, but can be further refined by adding LDH at a cutoff of 2.5× upper limit of normal as an additional adverse prognostic factor., Competing Interests: Jörg BeyerHonoraria: Roche, Janssen Oncology, AstraZeneca, Astellas Pharma, Bayer, Ipsen Gedske DaugaardConsulting or Advisory Role: Sanofi/Aventis, Astellas Pharma, Bayer, MSD Oncology, Bristol-Myers Squibb/PfizerTravel, Accommodations, Expenses: Astellas Pharma Darren R. FeldmanResearch Funding: Novartis, Seattle Genetics, Decibel Therapeutics, Astellas PharmaOther Relationship: UpToDate Alexey TryakinConsulting or Advisory Role: BioCad, Roche/Genentech, Bristol-Myers Squibb, Eisai, Merck Sharp & DohmeSpeakers' Bureau: Bayer Health, BioCad, Lilly, Merck Serono, Sanofi, Amgen, Bristol-Myers Squibb, Eisai, Merck Sharp & DohmeTravel, Accommodations, Expenses: Novartis, BioCad, Bayer, Veropharm, Sanofi Olof StahlHonoraria: Bayer Enrique Gonzalez-BillalabeitiaTravel, Accommodations, Expenses: Bristol-Myers Squibb, Pfizer, Janssen-Cilag, Astellas Pharma, Sanofi, Roche Ugo De GiorgiConsulting or Advisory Role: Pfizer, Janssen, Astellas Pharma, Sanofi, Bristol-Myers Squibb, Bayer, Ipsen, Merck, MSD, PharmaMar, NovartisResearch Funding: Sanofi, AstraZeneca, RocheTravel, Accommodations, Expenses: Bristol-Myers Squibb, Ipsen, Janssen, Pfizer, Roche Stephane CulineConsulting or Advisory Role: Bayer, Janssen, Astellas PharmaSpeakers' Bureau: Takeda, JanssenResearch Funding: Astellas PharmaTravel, Accommodations, Expenses: Ipsen, Janssen Ronald De WitHonoraria: Sanofi, Merck Sharp & DohmeConsulting or Advisory Role: Sanofi, Merck Sharp & Dohme, Janssen, Bayer, Astellas PharmaResearch Funding: Sanofi, BayerTravel, Accommodations, Expenses: Bayer Aaron HansenConsulting or Advisory Role: Merck, GlaxoSmithKline, Bristol-Myers Squibb, EisaiResearch Funding: Karyopharm Therapeutics, Merck, Bristol-Myers Squibb, Boehringer Ingelheim, GlaxoSmithKline, Roche/Genentech, Janssen, AstraZeneca/MedImmune, Astellas Pharma, Macrogenics Marko BebekHonoraria: Roche, Novartis, Janssen Oncology, Sanofi, Sandoz, Astellas PharmaResearch Funding: Roche, Astellas PharmaTravel, Accommodations, Expenses: Roche, Astellas Pharma, Sanofi, Janssen, Novartis Angelika TerbuchResearch Funding: Roche, AstraZeneca, MSD, Bristol-Myers Squibb Costantine AlbanyStock and Other Ownership Interests: AdvaxisHonoraria: Sanofi, AstraZeneca, Seattle GeneticsConsulting or Advisory Role: Seattle Genetics, AstraZeneca/MedImmuneSpeakers' Bureau: SanofiResearch Funding: Astex Pharmaceuticals, Merck, Bristol-Myers Squibb, Lilly, BayerTravel, Accommodations, Expenses: Sanofi Marcus HentrichConsulting or Advisory Role: Amgen, Janssen-Cilag, Sanofi, Hexal, Jazz Pharmaceuticals, TakedaSpeakers' Bureau: Amgen, Janssen-Cilag, Sanofi, Takeda, Bristol-Myers Squibb, Gilead SciencesTravel, Accommodations, Expenses: Celgene, Janssen-Cilag, Takeda Jourik A. GietemaResearch Funding: Roche/Genentech, Abbvie, Siemens Robert A. HuddartEmployment: Aspen Parkside HospitalLeadership: Cancer Clinic London limited liability partnershipHonoraria: Janssen OncologyConsulting or Advisory Role: Bristol-Myers Squibb, Roche, Merck Sharp & Dohme, Janssen Oncology, Nektar, BayerSpeakers' Bureau: Roche, MSDResearch Funding: Merck Sharp & Dohme, Roche, Bristol-Myers Squibb, JanssenPatents, Royalties, Other Intellectual Property: Royalties for drug discovery from JanssenTravel, Accommodations, Expenses: Janssen Oncology, Roche/Genentech, MSD Oncology, Nektar Anja LorchHonoraria: MSD Oncology, Merck, MSDConsulting or Advisory Role: Bristol-Myers Squibb, Novartis, AstraZeneca, Roche, MSD Oncology, Janssen Oncology, Ipsen, Merck, PfizerTravel, Accommodations, Expenses: Ipsen, AstraZeneca Daniel Y. C. HengConsulting or Advisory Role: Pfizer, Novartis, Bristol-Myers Squibb, Janssen, Astellas Pharma, Ipsen, Eisai, MerckResearch Funding: Pfizer, Novartis, Exelixis, Bristol-Myers Squibb, Ipsen Christopher J. SweeneyStock and Other Ownership Interests: LeuchemixConsulting or Advisory Role: Sanofi, Janssen Biotech, Astellas Pharma, Bayer, Genentech/Roche, AstraZeneca, Pfizer, Amgen, Celgene, LillyResearch Funding: Janssen Biotech, Astellas Pharma, Sanofi, Bayer, Dendreon, PfizerPatents, Royalties, Other Intellectual Property: Leuchemix, Parthenolide, Dimethylaminoparthenolide. Exelixis: Abiraterone plus cabozantinib combination Eric WinquistHonoraria: Merck, Bayer, Eisai, Amgen, RocheResearch Funding: Roche/Genentech, Merck, Pfizer, Eisai, Ayala Pharmaceuticals Peter GrimisonResearch Funding: Tilray, Pfizer, MSD, Gilead Sciences, Boston Biomedical, Tigermed, Halozyme, Specialised Therapeutics, Medimmune, Pfizer, ASLAN Pharmaceuticals, Genentech, Eisai, Five Prime Therapeutics, QED Therapeutics, Janssen-Cilag Andrea NecchiEmployment: BayerStock and Other Ownership Interests: BayerHonoraria: Roche, Merck, AstraZeneca, Janssen, Foundation Medicine, Bristol-Myers SquibbConsulting or Advisory Role: Merck Sharp & Dohme, Roche, Bayer, AstraZeneca, Clovis Oncology, Janssen, Incyte, Seattle Genetics/Astellas, Bristol-Myers Squibb, Rainier Therapeutics, GlaxoSmithKline, FerringResearch Funding: Merck Sharp & Dohme, AstraZeneca, IpsenTravel, Accommodations, Expenses: Roche, Merck Sharp & Dohme, AstraZeneca, Janssen, Rainier TherapeuticsOther Relationship: Bayer Ben TranHonoraria: Astellas Pharma, Janssen-Cilag, Sanofi, Tolmar, Amgen, Bristol-Myers SquibbConsulting or Advisory Role: Amgen, Astellas Pharma, Bayer, Sanofi, Tolmar, Janssen-Cilag, Bristol-Myers Squibb, Ipsen, MSD Oncology, IQvia, Novartis, Pfizer/EMD Serono, AstraZeneca, Roche Molecular DiagnosticsResearch Funding: Astellas Pharma, Janssen-Cilag, Amgen, Pfizer, Genentech, AstraZeneca, Bayer, Bristol-Myers Squibb, Merck Sharp & Dohme, IpsenTravel, Accommodations, Expenses: Amgen, Astellas Pharma Axel HeidenreichHonoraria: Amgen, Astellas Pharma, Bayer, Ferring, Ipsen, Janssen-Cilag, Sanofi, TakedaConsulting or Advisory Role: Astellas Pharma, Bayer, Janssen-Cilag, Clovis Oncology, BMS Global, AstraZeneca, MSD OncologySpeakers' Bureau: Amgen, Astellas Pharma, Bayer, Ipsen, Johnson & Johnson, Sanofi, Takeda, PfizerResearch Funding: Astellas Pharma, Bayer, Sanofi, Bristol-Myers Squibb Jonathan ShamashSpeakers' Bureau: Pfizer/EMD Serono Cora N. SternbergConsulting or Advisory Role: Bayer, MSD, Pfizer, Roche, Incyte, AstraZeneca, Merck, Medscape, UroToday, Astellas Pharma, Genzyme, Immunomedics, Foundation Medicine David J. VaughnResearch Funding: Merck Sharp & Dohme, Roche/Genentech, Astellas Pharma Ignacio DuranHonoraria: Bristol-Myers Squibb, Ipsen, Roche/Genentech, Janssen Oncology, MSD Oncology, Astellas Pharma, EUSA PharmaConsulting or Advisory Role: Roche/Genentech, MSD Oncology, Bayer, Bristol-Myers Squibb, Seattle Genetics, Pharmacyclics, Janssen Oncology, Novartis, ImmunomedicsResearch Funding: Roche/Genentech, AstraZeneca Spain, Janssen Oncology, Astellas PharmaTravel, Accommodations, Expenses: Roche/Genentech, AstraZeneca Spain, Ipsen Carsten BokemeyerHonoraria: Merck KGaA, Sanofi, Roche, Bayer, Bristol-Myers Squibb, AstraZeneca, Merck Sharp & DohmeConsulting or Advisory Role: Lilly/ImClone, Merck Serono, Sanofi, Bayer Schering Pharma, Merck Sharp & Dohme, GSO, AOK Health InsuranceResearch Funding: Abbvie, ADC Therapeutics, Agile Therapeutics, Alexion Pharmaceuticals, Amgen, Apellis Pharmaceuticals, Astellas Pharma, AstraZeneca, Bayer, BerGenBio, Blueprint Medicines, Bristol-Myers Squibb, Boehringer Ingelheim, Celgene, Daiichi Sankyo, Eisai, Gilead Sciences, Glycotope GmbH, GlaxoSmithKline, Incyte, iOMEDICO, Isofol Medical, Janssen-Cilag, Karyopharm Therapeutics, Lilly, Millennium, MSD, Nektar, Novartis, Rafael Pharmaceuticals, Roche, Springworks Therapeutics, Taiho PharmaceuticalTravel, Accommodations, Expenses: Merck Serono, Sanofi, Pfizer, Bristol-Myers Squibb Anna PatrikidouConsulting or Advisory Role: Basilea Richard CathomasHonoraria: Janssen-Cilag, Astellas Pharma, Bristol-Myers Squibb, Debiopharm GroupConsulting or Advisory Role: Astellas Pharma, Bristol-Myers Squibb, Pfizer, Roche, MSD Oncology, Janssen-Cilag, Bayer, Sanofi, IpsenTravel, Accommodations, Expenses: AstraZeneca Silke GillessenConsulting or Advisory Role: Astellas Pharma, Janssen, Bayer, Orion Pharma GmbH, Tolero Pharmaceuticals, MSD Oncology, Roche, Amgen, PfizerSpeakers' Bureau: Janssen-CilagPatents, Royalties, Other Intellectual Property: Method for biomarker (WO 3752009138392 A1)Travel, Accommodations, Expenses: ProteoMedixOther Relationship: ProteoMediX, Aranda PharmaNo other potential conflicts of interest were reported.

Purpose: The classification of the International Germ Cell Cancer Collaborative Group (IGCCCG) plays a pivotal role in the management of metastatic germ cell tumors but relies on data of patients treated between 1975 and 1990., Materials and Methods: Data on 9,728 men with metastatic nonseminomatous germ cell tumors treated with cisplatin- and etoposide-based first-line chemotherapy between 1990 and 2013 were collected from 30 institutions or collaborative groups in Europe, North America, and Australia. Clinical trial and registry data were included. Primary end points were progression-free survival (PFS) and overall survival (OS). The survival estimates were updated for the current era. Additionally, a novel prognostic model for PFS was developed in 3,543 patients with complete information on potentially relevant variables. The results were validated in an independent data set., Results: Compared with the original IGCCCG publication, 5-year PFS remained similar in patients with good prognosis with 89% (87%-91%) versus 90% (95% CI, 89 to 91), but the 5-year OS increased from 92% (90%-94%) to 96% (95%-96%). In patients with intermediate prognosis, PFS remained similar with 75% (71%-79%) versus 78% (76%-80%) and the OS increased from 80% (76%-84%) to 89% (88%-91%). In patients with poor prognosis, the PFS increased from 41% (95% CI, 35 to 47) to 54% (95% CI, 52 to 56) and the OS from 48% (95% CI, 42 to 54) to 67% (95% CI, 65 to 69). A more granular prognostic model was developed and independently validated. This model identified a new cutoff of lactate dehydrogenase at a 2.5 upper limit of normal and increasing age and presence of lung metastases as additional adverse prognostic factors. An online calculator is provided (https://www.eortc.org/IGCCCG-Update)., Conclusion: The IGCCCG Update model improves individual prognostication in metastatic nonseminomatous germ cell tumors. Increasing age and lung metastases add granularity to the original IGCCCG classification as adverse prognostic factors., Competing Interests: Silke GillessenConsulting or Advisory Role: Astellas Pharma, Janssen, Bayer, Orion Pharma GmbH, Tolero Pharmaceuticals, MSD Oncology, Roche, Amgen, PfizerSpeakers' Bureau: Janssen-CilagPatents, Royalties, Other Intellectual Property: Method for biomarker (WO 3752009138392 A1)Travel, Accommodations, Expenses: ProteoMedixOther Relationship: ProteoMediX, Aranda Pharma Gedske DaugaardConsulting or Advisory Role: Sanofi/Aventis, Astellas Pharma, Bayer, MSD Oncology, Bristol-Myers Squibb/PfizerTravel, Accommodations, Expenses: Astellas Pharma Ronald De WitHonoraria: Sanofi, Merck Sharp and DohmeConsulting or Advisory Role: Sanofi, Merck Sharp and Dohme, Janssen, Bayer, Astellas PharmaResearch Funding: Sanofi, BayerTravel, Accommodations, Expenses: Bayer Costantine AlbanyStock and Other Ownership Interests: AdvaxisHonoraria: Sanofi, AstraZeneca, Seattle GeneticsConsulting or Advisory Role: Seattle Genetics, AstraZeneca/MedImmuneSpeakers' Bureau: SanofiResearch Funding: Astex Pharmaceuticals, Merck, Bristol-Myers Squibb, Lilly, BayerTravel, Accommodations, Expenses: Sanofi Alexey TryakinConsulting or Advisory Role: BioCad, Roche/Genentech, Bristol-Myers Squibb, Eisai, Merck Sharp and DohmeSpeakers' Bureau: Bayer Health, BioCad, Lilly, Merck Serono, Sanofi, Amgen, Bristol-Myers Squibb, Eisai, Merck Sharp and DohmeTravel, Accommodations, Expenses: Novartis, BioCad, Bayer, Veropharm, Sanofi Karim FizaziHonoraria: Janssen, Sanofi, Astellas Pharma, BayerConsulting or Advisory Role: Janssen Oncology, Bayer, Astellas Pharma, Sanofi, Orion Pharma GmbH, Curevac, AstraZeneca, ESSA, Amgen, Bristol-Myers Squibb, Clovis OncologyTravel, Accommodations, Expenses: Janssen, MSD Olof StahlHonoraria: Bayer Ugo De GiorgiConsulting or Advisory Role: Pfizer, Janssen, Astellas Pharma, Sanofi, Bristol-Myers Squibb, Bayer, Ipsen, Merck, MSD, PharmaMar, NovartisResearch Funding: Sanofi, AstraZeneca, RocheTravel, Accommodations, Expenses: Bristol-Myers Squibb, Ipsen, Janssen, Pfizer, Roche Aaron HansenConsulting or Advisory Role: Merck, GlaxoSmithKline, Bristol-Myers Squibb, EisaiResearch Funding: Karyopharm Therapeutics, Merck, Bristol-Myers Squibb, Boehringer Ingelheim, GlaxoSmithKline, Roche/Genentech, Janssen, AstraZeneca/MedImmune, Astellas Pharma, Macrogenics Robert HuddartEmployment: Aspen Parkside HopsitalLeadership: Cancer Clinic London Limited liability partnershipHonoraria: Janssen OncologyConsulting or Advisory Role: Bristol-Myers Squibb, Roche, Merck Sharp and Dohme, Janssen Oncology, Nektar, BayerSpeakers' Bureau: Roche, MSD, RocheResearch Funding: Merck Sharp and Dohme, Roche, Bristol-Myers Squibb, JanssenPatents, Royalties, Other Intellectual Property: Royalties for drug discovery from JanssenTravel, Accommodations, Expenses: Janssen Oncology, Roche/Genentech, MSD Oncology, Nektar Andrea NecchiEmployment: BayerStock and Other Ownership Interests: BayerHonoraria: Roche, Merck, AstraZeneca, Janssen, Foundation Medicine, Bristol-Myers SquibbConsulting or Advisory Role: Merck Sharp and Dohme, Roche, Bayer, AstraZeneca, Clovis Oncology, Janssen, Incyte, Seattle Genetics/Astellas, Bristol-Myers Squibb, Rainier Therapeutics, GlaxoSmithKline, FerringResearch Funding: Merck Sharp and Dohme, AstraZeneca, IpsenTravel, Accommodations, Expenses: Roche, Merck Sharp and Dohme, AstraZeneca, Janssen, Rainier TherapeuticsOther Relationship: Bayer Christopher SweeneyStock and Other Ownership Interests: LeuchemixConsulting or Advisory Role: Sanofi, Janssen Biotech, Astellas Pharma, Bayer, Genentech/Roche, AstraZeneca, Pfizer, Amgen, Celgene, LillyResearch Funding: Janssen Biotech, Astellas Pharma, Sanofi, Bayer, Dendreon, PfizerPatents, Royalties, Other Intellectual Property: Leuchemix, Parthenolide, Dimethylaminoparthenolide. Exelixis: Abiraterone plus cabozantinib combination Xavier Garcia Del MuroConsulting or Advisory Role: Pfizer, Bristol-Myers Squibb, Ipsen, Roche, Lilly, PharmaMar, EUSA Pharma, GlaxoSmithKlineSpeakers' Bureau: Pfizer, Bristol-Myers Squibb, Astellas Pharma, EisaiResearch Funding: AstraZenecaTravel, Accommodations, Expenses: Pfizer, Roche Daniel HengConsulting or Advisory Role: Pfizer, Novartis, Bristol-Myers Squibb, Janssen, Astellas Pharma, Ipsen, Eisai, MerckResearch Funding: Pfizer, Novartis, Exelixis, Bristol-Myers Squibb, Ipsen Anja LorchHonoraria: MSD Oncology, Merck, MSDConsulting or Advisory Role: Bristol-Myers Squibb, Novartis, AstraZeneca, Roche, MSD Oncology, Janssen Oncology, Ipsen, Merck, PfizerTravel, Accommodations, Expenses: Ipsen, AstraZeneca Eric WinquistHonoraria: Merck, Bayer, Eisai, Amgen, RocheResearch Funding: Roche/Genentech, Merck, Pfizer, Eisai, Ayala Pharmaceuticals Peter GrimisonResearch Funding: Tilray, Pfizer, MSD, Gilead Sciences, Boston Biomedical, Tigermed, Halozyme, Specialised Therapeutics, Medimmune, Pfizer, ASLAN Pharmaceuticals, Genentech, Eisai, Five Prime Therapeutics, QED Therapeutics, Janssen-Cilag Darren FeldmanResearch Funding: Novartis, Seattle Genetics, Decibel Therapeutics, Astellas PharmaOther Relationship: UpToDate Angelika TerbuchResearch Funding: Roche, AstraZeneca, MSD, Bristol-Myers Squibb Marcus HentrichConsulting or Advisory Role: Amgen, Janssen-Cilag, Sanofi, Hexal, Jazz Pharmaceuticals, TakedaSpeakers' Bureau: Amgen, Janssen-Cilag, Sanofi, Takeda, Bristol-Myers Squibb, Gilead SciencesTravel, Accommodations, Expenses: Celgene, Janssen-Cilag, Takeda Carsten BokemeyerHonoraria: Merck KGaA, Sanofi, Roche, Bayer, Bristol-Myers Squibb, AstraZeneca, Merck Sharp and DohmeConsulting or Advisory Role: Lilly/ImClone, Merck Serono, Sanofi, Bayer Schering Pharma, Merck Sharp and Dohme, GSO, AOK Health InsuranceResearch Funding: Abbvie, ADC Therapeutics, Agile Therapeutics, Alexion Pharmaceuticals, Amgen, Apellis Pharmaceuticals, Astellas Pharma, AstraZeneca, Bayer, BerGenBio, Blueprint Medicines, Bristol-Myers Squibb, Boehringer Ingelheim, Celgene, Daiichi Sankyo, Eisai, Gilead Sciences, Glycotope GmbH, GlaxoSmithKline, Incyte, iOMEDICO, Isofol Medical, Janssen-Cilag, Karyopharm Therapeutics, Lilly, Millennium, MSD, Nektar, Novartis, Rafael Pharmaceuticals, Roche, Springworks Therapeutics, Taiho PharmaceuticalTravel, Accommodations, Expenses: Merck Serono, Sanofi, Pfizer, Bristol-Myers Squibb Jonathan ShamashSpeakers' Bureau: Pfizer/EMD Serono David VaughnResearch Funding: Merck Sharp and Dohme, Roche/Genentech, Astellas Pharma Cora SternbergConsulting or Advisory Role: Bayer, MSD, Pfizer, Roche, Incyte, AstraZeneca, Merck, Medscape, UroToday, Astellas Pharma, Genzyme, Immunomedics, Foundation Medicine Axel HeidenreichHonoraria: Amgen, Astellas Pharma, Bayer, Ferring, Ipsen, Janssen-Cilag, Sanofi, TakedaConsulting or Advisory Role: Astellas Pharma, Bayer, Janssen-Cilag, Clovis Oncology, BMS Global, AstraZeneca, MSD OncologySpeakers' Bureau: Amgen, Astellas Pharma, Bayer, Ipsen, Johnson and Johnson, Sanofi, Takeda, PfizerResearch Funding: Astellas Pharma, Bayer, Sanofi, Bristol-Myers Squibb Joerg BeyerHonoraria: Roche, Janssen Oncology, AstraZeneca, Astellas Pharma, Bayer, IpsenNo other potential conflicts of interest were reported.

Purpose: It is hypothesized that cisplatin-based chemotherapy (CBCT) reduces the occurrence of metachronous contralateral (second) germ cell testicular cancer (TC). However, studies including treatment details are lacking. The aim of this study was to assess the second TC risk, emphasizing the impact of previous TC treatment., Patients and Methods: Based on the Cancer Registry of Norway, 5,620 men were diagnosed with first TC between 1980 and 2009. Treatment data regarding TC were retrieved from medical records. Cumulative incidences of second TC were estimated, and standardized incidence ratios were calculated. The effect of treatment intensity was investigated using Cox proportional hazard regression., Results: Median follow-up was 18.0 years, during which 218 men were diagnosed with a second TC after median 6.2 years. Overall, the 20-year crude cumulative incidence was 4.0% (95% CI, 3.5 to 4.6), with lower incidence after chemotherapy (CT) (3.2%; 95% CI, 2.5 to 4.0) than after surgery only (5.4%; 95% CI, 4.2 to 6.8). The second TC incidence was also lower for those age ≥ 30 years (2.8%; 95% CI, 2.3 to 3.4) at first TC diagnosis than those age < 30 years (6.0%; 95% CI, 5.0 to 7.1). Overall, the second TC risk was 13-fold higher compared with the risk of developing TC in the general male population (standardized incidence ratio, 13.1; 95% CI, 11.5 to 15.0). With surgery only as reference, treatment with CT significantly reduced the second TC risk (hazard ratio [HR], 0.55). For each additional CBCT cycle administered, the second TC risk decreased significantly after three, four, and more than four cycles (HRs, 0.53, 0.41, and 0.21, respectively)., Conclusion: Age at first TC diagnosis and treatment intensity influenced the second TC risk, with significantly reduced risks after more than two CBCT cycles.

Purpose: Clinical stage I (CSI) nonseminoma (NS) is a disease limited to the testis without metastases. One treatment strategy after orchiectomy is adjuvant chemotherapy. Little is known about the outcome of patients who experience relapse after such treatment., Patients and Methods: Data from 51 patients with CSI NS who experienced a relapse after adjuvant bleomycin, etoposide, and cisplatin (BEP) from 18 centers/11 countries were collected and retrospectively analyzed. Primary outcomes were overall and progression-free survivals calculated from day 1 of treatment at first relapse. Secondary outcomes were time to, stage at, and treatment of relapse and rate of subsequent relapses., Results: Median time to relapse was 13 months, with the earliest relapse 2 months after start of adjuvant treatment and the latest after 25 years. With a median follow-up of 96 months, the 5-year PFS was 67% (95% CI, 54% to 82%) and the 5-year OS was 81% (95% CI, 70% to 94%). Overall, 19 (37%) of 51 relapses occurred later than 2 years. Late relapses were associated with a significantly higher risk of death from NS (hazard ratio, 1.10 per year; P = .01). Treatment upon relapse was diverse: the majority of patients received a combination of chemotherapy and surgery. Twenty-nine percent of patients experienced a subsequent relapse. At last follow-up, 41 patients (80%) were alive and disease-free, eight (16%) had died of progressive disease, and one patient (2%) each had died from therapy-related or other causes., Conclusion: Outcomes of patients with relapse after adjuvant BEP seem better compared with patients who experience relapse after treatment of metastatic disease but worse compared with those who have de-novo metastatic disease. We found a substantial rate of late and subsequent relapses. There seem to be three patterns of relapse with different outcomes: pure teratoma, early viable NS relapse (< 2 years), and late viable NS relapse (> 2 years).

Purpose Adjuvant carboplatin is one of three management strategies that may follow inguinal orchiectomy in clinical stage I seminoma. However, little is known about the outcome of patients who experience a relapse after such treatment. Patients and Methods Data from 185 patients who relapsed after adjuvant carboplatin between January 1987 and August 2013 at 31 centers/groups from 20 countries were collected and retrospectively analyzed. Primary outcomes were disease-free survival and overall survival. Secondary outcomes were time to, stage at, and treatment of relapse as well as rate of subsequent relapses. Results With a median follow-up of 53 months (95% CI, 48 to 60 months) the 5-year disease-free survival was 82% (95% CI, 77% to 89%), and the 5-year overall survival was 98% (95% CI, 95% to 100%). The median time from orchiectomy to relapse was 19 months (95% CI, 17 to 23 months); 15% (95% CI, 10% to 21%) of relapses occurred > 3 years after treatment. The majority of relapses were detected by computed tomography scan during routine follow-up, 98% in the International Germ Cell Cancer Collaborative Group good prognosis group. Chemotherapy was administered to 92% of patients, mostly as standard first-line treatment corresponding to stage; 8% of patients had additional local treatments. Only 28 patients experienced a second relapse. At last follow-up, 174 (94%) of 185 patients were alive without disease, and four patients with disease. Seven patients died, three of whom due to progressive disease. Conclusion Within the limitations of a retrospective analysis, the results suggest that the majority of patients who experience a relapse after adjuvant carboplatin for clinical stage I seminoma can be successfully treated with a cisplatin-based chemotherapy regimen adequate for stage. Because 15% of the relapses occurred > 3 years after adjuvant treatment, a minimum of 5 years follow-up is recommended.

Purpose: To evaluate the performance of active surveillance as a management strategy in broad populations and to inform the development of surveillance schedules by individual patient data regarding timing and type of relapse., Methods: Retrospective study including data from 2,483 clinical stage I (CSI) patients, 1,139 CSI nonseminoma and 1,344 CSI seminoma managed with active surveillance, with the majority treated between 1998 and 2010. Clinical outcomes including relapse and death, time distribution, extent of relapse and method of relapse detection observed on active surveillance were recorded., Results: Relapse occurred in 221 (19%) CSI-nonseminoma and 173 (13%) CSI-seminoma patients. Median time to relapse was 4 months (range, 2-61 months), 8 months (range, 2-77 months) and 14 months (range, 2-84 months) for lymphovascular invasion-positive CSI nonseminoma, lymphovascular invasion-negative CSI nonseminoma and CSI seminoma. Most relapses were observed within the first 2 years/3 years after orchiectomy for CSI nonseminoma (90%)/CSI seminoma (92%). Relapses were detected by computed tomography scan/tumor-markers in 87%/3% of seminoma recurrences, in 48%/38% of lymphovascular invasion-negative and 41%/61% of lymphovascular invasion-positive patients, respectively. 90% of CSI-nonseminoma and 99% of CSI-seminoma relapses exhibited International Germ Cell Collaborative Group good-risk features. Three patients with CSI nonseminoma died of disease (0.3%). One patient with CSI seminoma and two patients with CSI nonseminoma died because of treatment-related events. Overall, advanced disease was seen in both early- and late-relapse patients. All late recurrences were cured with standard therapy. Five-year disease-specific survival was 99.7% (95% CI, 99.24% to 99.93%)., Conclusion: Active surveillance for CSI testis cancer leads to excellent outcomes. The vast majority of relapses occur within 2 years of orchiectomy for CSI nonseminoma and within 3 years for CSI seminoma. Late and advanced stage relapse are rarely seen. These data may inform further refinement of rationally designed surveillance schedules., (© 2014 by American Society of Clinical Oncology.)

Purpose: From 1995 to 2003, 603 adult patients from Sweden and Norway with metastatic testicular nonseminomatous germ cell tumor (NSGCT) were included prospectively in a population-based protocol with strict guidelines for staging, treatment, and follow-up. Patients with extragonadal primary tumor or previous treatment for contralateral testicular tumor were excluded. The basic strategy was to individualize treatment according to initial tumor marker response., Methods: Initial treatment for all patients was two courses of standard bleomycin, etoposide, and cisplatin (BEP), with tumor markers analyzed weekly. Good response was defined as a half-life (t(1/2)) for α-fetoprotein (AFP) of ≤ 7 days and/or for β-human chorionic gonadotropin (β-HCG) of ≤ 3 days. Patients with prolonged marker t(1/2) (ie, poor response) received intensification with addition of ifosfamide (BEP-if/PEI) in step 1. If poor response continued, the treatment was intensified with high-dose chemotherapy with stem-cell rescue as step 2., Results: Overall, 99% of all patients with metastatic testicular NSGCT in the population were included in the protocol. Median follow-up was 8.2 years. Seventy-seven percent of the patients were treated with BEP alone; 18% received intensification step 1%, and 5% received intensification step 2. Grouped according to International Germ Cell Consensus Classification, 10-year overall survival was 94.7% in good-prognosis patients, 90.0% in intermediate-prognosis patients, and 67.4% in poor-prognosis patients., Conclusion: With detailed treatment protocols and a dedicated collaborative group of specialists, treatment results comparable to those reported from large single institutions can be achieved at national level. With the treatment principles used in Swedish-Norwegian Testicular Cancer Group study SWENOTECA IV, the survival of intermediate-prognosis patients is remarkable and close to that of good-prognosis patients.

Purpose: A binational, population-based treatment protocol was established to prospectively treat and follow patients with seminomatous testicular cancer. The aim was to standardize care for all patients with seminoma to further improve the good results expected for this disease., Patients and Methods: From 2000 to 2006, a total of 1,384 Norwegian and Swedish patients were included in the study. Treatment in clinical stage 1 (CS1) was surveillance, adjuvant radiotherapy, or adjuvant carboplatin. In metastatic disease, recommended treatment was radiotherapy in CS2A and cisplatin-based chemotherapy in CS2B or higher., Results: At a median follow-up of 5.2 years, 5-year cause-specific survival was 99.6%. In CS1, 14.3% (65 of 512) of patients relapsed following surveillance, 3.9% (seven of 188) after carboplatin, and 0.8% (four of 481) after radiotherapy. We could not identify any factors predicting relapse in CS1 patients who were subjected to surveillance only. In CS2A, 10.9% (three of 29) patients relapsed after radiotherapy compared with no relapses in CS2A/B patients (zero of 73) treated with chemotherapy (P = .011)., Conclusion: An international, population-based treatment protocol for testicular seminoma is feasible with excellent results. Surveillance remains a good option for CS1 patients. No factors predicted relapse in CS1 patients on surveillance. Despite resulting in a lower rate of relapse than with adjuvant carboplatin, adjuvant radiotherapy has been abandoned in the Swedish and Norwegian Testicular Cancer Project (SWENOTECA) as a recommended treatment option because of concerns of induction of secondary cancers. The higher number of relapses in radiotherapy-treated CS2A patients when compared with chemotherapy-treated CS2A/B patients is of concern. Late toxicity of cisplatin-based chemotherapy versus radiotherapy must be considered in CS2A patients.