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The primary analysis of the GHSG HD16 trial indicated a significant loss of tumor control with PET-guided omission of radiotherapy (RT) in patients with early-stage favorable Hodgkin lymphoma (HL). This analysis reports long-term outcomes. Overall, 1150 patients aged 18–75 years with newly diagnosed early-stage favorable HL were randomized between standard combined-modality treatment (CMT) (2x ABVD followed by PET/CT [PET-2] and 20 Gy involved-field RT) and PET-2-guided treatment omitting RT in case of PET-2 negativity (Deauville score [DS] < 3). The study aimed at excluding inferiority of PET-2-guided treatment and assessing the prognostic impact of PET-2 in patients receiving CMT. At a median follow-up of 64 months, PET-2-negative patients had a 5-year progression-free survival (PFS) of 94.2% after CMT (n= 328) and 86.7% after ABVD alone (n= 300; HR = 2.05 [1.20–3.51]; p= 0.0072). 5-year OS was 98.3% and 98.8%, respectively (p= 0.14); 4/12 documented deaths were caused by second primary malignancies and only one by HL. Among patients assigned to CMT, 5-year PFS was better in PET-2-negative (n= 353; 94.0%) than in PET-2-positive patients (n= 340; 90.3%; p= 0.012). The difference was more pronounced when using DS4 as cut-off (DS 1-3: n= 571; 94.0% vs. DS ≥ 4: n= 122; 83.6%; p< 0.0001). Taken together, CMT should be considered standard treatment for early-stage favorable HL irrespective of the PET-2-result.

•With 5 years of follow-up, nivolumab had lasting benefits in patients with R/R cHL after auto-HCT.•It appears feasible to discontinue nivolumab in patients with persistent CR and reinitiate treatment upon disease progression.

Hintergrund: Während das klassische Hodgkin Lymphom (HL) mit risikoadaptierter Erstlinientherapie in den meisten Fällen heilbar ist, stellt v. a. die Therapie von Patient*innen mit rezidiviertem oder primär refraktärem (r/r) HL weiterhin eine Herausforderung dar. Methoden: Der vorliegende Übersichtsartikel diskutiert die aktuell verfügbaren Daten zu Sicherheit und Effektivität neuerer Therapieansätze bei r/r-HL aus einer praxisorientierten Perspektive. Ergebnisse: Bei für eine intensivierte Therapie geeigneten Patient*innen kann in etwa 50 % der Fälle mit einer polychemotherapiebasierten Salvage-Therapie und anschließender Hochdosischemotherapie mit autologer Stammzelltransplantation (ASZT) eine dauerhafte Remission erreicht werden. Durch die Zulassung zielgerichteter Substanzen haben auch Patient*innen mit mehrfach rezidivierten oder refraktären Tumoren, ältere oder multimorbide Patient*innen mittlerweile mehrere Therapieoptionen. Neben dem Anti-CD30-Antikörper-Wirkstoff-Konjugat Brentuximab-Vedotin (BV) kommen hier zunehmend die beiden Anti-PD-1-Antikörper Nivolumab und Pembrolizumab als Immuncheckpointinhibitoren zum Einsatz. Die Anti-PD-1-Antikörper werden auch in früheren Therapielinien eingesetzt; so wurde z. B. mit Pembrolizumab in einer internationalen Phase-III-Studie im Vergleich zu BV bei vergleichbaren Ansprechraten ein signifikant längeres progressionsfreies Überleben (PFS) erreicht. Die Therapielandschaft des r/r-HL befindet sich im raschen Wandel, und vielversprechende zielgerichtete Substanzen wie das Antikörper-Wirkstoff-Konjugat Camidanlumab-Tesirin, neue Checkpointinhibitoren sowie CAR-T-Zellen werden aktuell in Studien erprobt. Schlussfolgerung: Durch rationalen Einsatz der verfügbaren Therapieansätze ist eine verbesserte Prognose für Patient*innen mit mehrfach r/r-HL absehbar.

While classical Hodgkin lymphoma (HL) is highly susceptible to anti-programmed death protein 1 (PD1) antibodies, the exact modes of action remain controversial. To elucidate the circulating lymphocyte phenotype and systemic effects during anti-PD1 1st-line HL treatment we applied multicolor flow cytometry, FluoroSpot and NanoString to sequential samples of 81 HL patients from the NIVAHL trial (NCT03004833) compared to healthy controls. HL patients showed a decreased CD4 T-cell fraction, a higher percentage of effector-memory T cells and higher expression of activation markers at baseline. Strikingly, and in contrast to solid cancers, expression for 10 out of 16 analyzed co-inhibitory molecules on T cells (e.g., PD1, LAG3, Tim3) was higher in HL. Overall, we observed a sustained decrease of the exhausted T-cell phenotype during anti-PD1 treatment. FluoroSpot of 42.3% of patients revealed T-cell responses against ≥1 of five analyzed tumor-associated antigens. Importantly, these responses were more frequently observed in samples from patients with early excellent response to anti-PD1 therapy. In summary, an initially exhausted lymphocyte phenotype rapidly reverted during anti-PD1 1st-line treatment. The frequently observed IFN-y responses against shared tumor-associated antigens indicate T-cell-mediated cytotoxicity and could represent an important resource for immune monitoring and cellular therapy of HL.

To improve the long-term tumour control in early, unfavourable Hodgkin Lymphoma, the German Hodgkin Study Group (GHSG) HD14 trial compared four cycles of doxorubicin, bleomycin, vinblastine, and dacarbazine (ABVD) with an intensified chemotherapy regimen consisting of two cycles of escalated bleomycin, etoposide, doxorubicin, cyclophosphamide, vincristine, procarbazine, and prednisone (escalated BEACOPP) plus two cycles of ABVD. The final analysis of the trial showed a significant advantage in terms of freedom from treatment failure (difference 7·2% [95% CI 3·8–10·5] at 5 years) for patients who received two cycles of escalated BEACOPP and two cycles of ABVD. However, there was no difference in overall survival between the two groups. To evaluate long-term efficacy and toxicity of this strategy, we did a follow-up analysis.

To evaluate patterns of rrHL after contemporary first-line treatment we studied 409 patients with first rrHL (HD13: n= 87, HD14: n= 118, HD15: n= 188, HDR3i: n= 51) at a median age of 37.4 years (18.4–76.8) from the GHSG database. Time to first relapse was ≤12 months in 49% and stage III/IV rrHL present in 52% of patients. In total, 291 patients received high-dose chemotherapy and autologous stem-cell transplantation (ASCT) and intended ASCT failed in 38 patients. ASCT was primarily not intended in 80 patients largely due to low risk disease or age/comorbidities. Overall, 10-year progression-free (PFS) and overall survival (OS) rates after first relapse were 48.2% (95% CI 41.9–54.2%) and 59.4% (95% CI 53.0–65.2%), respectively, with significant differences between subgroups. Inferior survival was observed with no ASCT due to advanced age/comorbidities (five-year PFS 36.2%, 95% CI 17.7–55.0%) or failure of salvage therapy (five-year PFS 36.3%, 95% CI 19.7–53.2%). Similarly, presence of primary refractory disease or stage IV at rrHL conferred inferior survival. In patients with low-risk disease, however, survival appeared favorable even without ASCT (10 y PFS 72.6%, 95% CI 53.7–84.8%). We herein confirm the curative potential of current rrHL treatments providing a robust benchmark to evaluate novel therapeutic strategies in rrHL. Approximately 50% of rrHL patients experienced a consecutive relapse.

Classic Hodgkin lymphoma (cHL) is the cancer type most susceptible to antibodies targeting programmed cell death protein 1 (PD1) and is characterized by scarce Hodgkin and Reed-Sternberg cells (HRSCs), perpetuating a unique tumor microenvironment (TME). Although anti-PD1 effects appear to be largely mediated by cytotoxic CD8+T cells in solid tumors, HRSCs frequently lack major histocompatibility complex expression, and the mechanism of anti-PD1 efficacy in cHL is unclear. Rapid clinical responses and high interim complete response rates to anti-PD1 based first-line treatment were recently reported for patients with early-stage unfavorable cHL treated in the German Hodgkin Study Group phase 2 NIVAHL trial. To investigate the mechanisms underlying this very early response to anti-PD1 treatment, we analyzed paired biopsies and blood samples obtained from NIVAHL patients before and during the first days of nivolumab first-line cHL therapy. Mirroring the rapid clinical response, HRSCs had disappeared from the tissue within days after the first nivolumab application. The TME already shows a reduction in type 1 regulatory T cells and PD-L1+tumor-associated macrophages at this early time point of treatment. Interestingly, a cytotoxic immune response and a clonal T-cell expansion were not observed in the tumors or peripheral blood. These early changes in the TME were distinct from alterations found in a separate set of cHL biopsies at relapse during anti-PD1 therapy. We identify a unique very early histologic response pattern to anti-PD1 therapy in cHL that is suggestive of withdrawal of prosurvival factors, rather than induction of an adaptive antitumor immune response, as the main mechanism of action.

Classic Hodgkin lymphoma (cHL) is the cancer type most susceptible to antibodies targeting programmed cell death protein 1 (PD1) and is characterized by scarce Hodgkin and Reed-Sternberg cells (HRSCs), perpetuating a unique tumor microenvironment (TME). Although anti-PD1 effects appear to be largely mediated by cytotoxic CD8+ T cells in solid tumors, HRSCs frequently lack major histocompatibility complex expression, and the mechanism of anti-PD1 efficacy in cHL is unclear. Rapid clinical responses and high interim complete response rates to anti-PD1 based first-line treatment were recently reported for patients with early-stage unfavorable cHL treated in the German Hodgkin Study Group phase 2 NIVAHL trial. To investigate the mechanisms underlying this very early response to anti-PD1 treatment, we analyzed paired biopsies and blood samples obtained from NIVAHL patients before and during the first days of nivolumab first-line cHL therapy. Mirroring the rapid clinical response, HRSCs had disappeared from the tissue within days after the first nivolumab application. The TME already shows a reduction in type 1 regulatory T cells and PD-L1+ tumor-associated macrophages at this early time point of treatment. Interestingly, a cytotoxic immune response and a clonal T-cell expansion were not observed in the tumors or peripheral blood. These early changes in the TME were distinct from alterations found in a separate set of cHL biopsies at relapse during anti-PD1 therapy. We identify a unique very early histologic response pattern to anti-PD1 therapy in cHL that is suggestive of withdrawal of prosurvival factors, rather than induction of an adaptive antitumor immune response, as the main mechanism of action.

IMPORTANCE: In early-stage unfavorable classic Hodgkin lymphoma (cHL), conventional therapy induces high cure rates but also relevant acute and long-term toxic effects. Nivolumab is well tolerated and highly effective in relapsed/refractory cHL but has not been adequately studied in first-line treatment of early-stage cHL. The NIVAHL trial evaluated nivolumab in this setting with the aim to develop a highly effective yet tolerable systemic therapy to ultimately mitigate morbidity in patients who survive cHL. OBJECTIVE: To evaluate efficacy of 2 experimental nivolumab-based first-line treatment strategies in patients with early-stage unfavorable cHL. DESIGN, SETTING, AND PARTICIPANTS: This was an open-label, multicenter, phase 2 randomized clinical trial, open between April 2017 and October 2018. The trial took place at 35 trial centers across Germany, ranging from academic centers to private offices. Eligibility was defined by age 18 to 60 years, cHL confirmed by expert pathology review, early-stage unfavorable disease by German Hodgkin Study Group criteria (stage I to II with risk factor[s]), and absence of serious concomitant disease or organ dysfunction. Among 110 enrolled patients, 109 were eligible. INTERVENTIONS: Systemic therapy, per random assignment (1:1) to either concomitant treatment with 4 cycles of nivolumab and doxorubicin, vinblastine, and dacarbazine (N-AVD) or sequential treatment with 4 doses of nivolumab, 2 cycles of N-AVD, and 2 cycles of AVD at standard doses, followed by 30-Gy involved-site radiotherapy. MAIN OUTCOMES AND MEASURES: Complete remission (CR) rate after study treatment, aiming at excluding a CR rate of 80% or lower via a 2-sided 95% CI for each treatment group. RESULTS: Of 109 patients included in this study, 65 (59.6%) were women, and the median (range) age was 27 (18-60) years. At interim staging after 2 cycles of N-AVD or 4 doses of nivolumab monotherapy, 54 of 54 (100%) and 49 of 51 (96%) response-eligible patients, respectively, achieved an objective response, with CR in 47 (87%) and 26 (51%) patients, respectively. Among 101 patients eligible for primary end point analysis, 46 of 51 (90%; 95% CI, 79%-97%) patients receiving concomitant therapy and 47 of 50 (94%; 95% CI, 84%-99%) patients receiving sequential therapy achieved CR after study treatment. With a median follow-up of 13 months, 12-month progression-free survival was 100% for patients receiving concomitant treatment and 98% (95% CI, 95%-100%) for patients receiving sequential therapy. CONCLUSIONS AND RELEVANCE: Both strategies combining nivolumab and AVD are feasible and resulted in high remission rates. Despite narrowly missing the efficacy benchmark in the concomitant group, the excellent 12-month progression-free survival and the unexpectedly high CR rate after 4 doses of nivolumab monotherapy warrant further evaluation of this approach in the first-line treatment of patients with early-stage cHL. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT03004833

Introduction

Background: First-line treatment of patients with classical Hodgkin lymphoma (HL) with anti-PD1 antibodies in combination with AVD chemotherapy is highly effective across risk-groups. Based on encouraging phase II and ongoing phase III trials, anti-PD1 based first-line treatment may hence soon become a first-line treatment option. To date, no data on fertility and gonadal function after anti-PD1 based first-line HL treatment is available. Herein, we present data on pregnancies and gonadal function in patients treated within the randomized GHSG phase II NIVAHL trial.

Background: Progression-free survival (PFS) and overall survival (OS) are predominant measures of treatment efficacy in Hodgkin lymphoma (HL). Despite preference for OS from many regulatory authorities, PFS is most relevant to patients and frequently serves as primary endpoint in clinical trials. Recently we found a strong correlation between treatment effects on PFS and OS in the first-line setting (Bröckelmann PJ et al. EHA23/ICML23). However, their relationship in the relapsed setting remains unclear. We aimed to evaluate the correlation of PFS with OS after treatment of relapsed HL.

With defined chemotherapy and radiotherapy (RT) and risk-adapted treatment, early-stage classical Hodgkin lymphoma (HL) has become curable in a majority of patients. Hence, a major current goal is to reduce treatment-related toxicity while maintaining long-term disease control. Patients with early-stage favorable disease (ie, limited stage without risk factors [RFs]) are frequently treated with 2 cycles of doxorubicin, bleomycin, vinblastine, and dacarbazine (2×ABVD) followed by 20-Gy involved-field or involved-site RT (IF/ISRT). In patients with early-stage unfavorable disease (ie, limited stage with RFs), 4 cycles of chemotherapy are usually consolidated with 30-Gy IF/ISRT. Compared with 4×ABVD, 2 cycles of bleomycin, etoposide, doxorubicin, cyclophosphamide, vincristine, procarbazine, and prednisone (2×BEACOPPescalated) followed by 2×ABVD improved 5-year progression-free survival (PFS), with similar 5-year overall survival. Recently, treatment strategies based on [18F]fluorodeoxyglucose positron emission tomography (PET) response were evaluated. In early-stage unfavorable HL, a majority of patients achieved a negative interim PET after 2×ABVD and an excellent outcome after 4×ABVD, whereas in those with a positive interim PET, 2×BEACOPPescalated improved 5-year PFS. Furthermore, a PET-guided RT approach was evaluated to decrease long-term toxicity. Although both the RAPID and H10 trials reported poorer disease control without RT, PET-guided omission of RT can constitute a valid therapeutic option in patients with an increased risk of RT-associated toxicity (eg, because of sex, age, or disease localization). Implementation of drugs such as the anti-CD30 antibody-drug conjugate brentuximab vedotin or the anti–programmed death 1 antibodies nivolumab or pembrolizumab might allow further reduction of overall mortality and improve quality of life in affected patients.

During the last decades, the prognosis of Hodgkin lymphoma (HL) has been improved significantly with the introduction of effective chemotherapy and the implementation of risk-adapted treatment approaches. Identification of reliable risk factors is crucial to guide treatment over the course of disease. Both clinical and biological factors have been implicated in the prognosis of HL and are often used in prognostic scores to discriminate risk groups. To prevent under- or overtreatment, patients are usually assigned to one of the three widely established risk groups for first-line treatment, based solely on clinical risk factors. To further individualize therapeutic approaches, functional imaging with positron emission tomography (PET) is becoming more widely implemented and precisely investigated within clinical trials. Biological prognostic factors have been widely evaluated but are still not a part of standard prognostication. This review will discuss the currently established factors and risk models at first diagnosis and in the setting of relapsed/refractory disease and also focus on biological factors and PET, summarizing current standards and future perspectives.

Doxorubicin, bleomycin, vinblastine sulfate, and dacarbazine (ABVD) is associated with severe toxicity in older patients, particularly from bleomycin-induced lung toxicity (BLT). Therefore, using bleomycin has been questioned in older Hodgkin lymphoma (HL) patients, especially in early-stage HL. We therefore analyzed feasibility, toxicity, and efficacy of ABVD or AVD in 287 older early-stage favorable HL patients. We included patients ≥60 years of age in the German Hodgkin Study Group HD10 and HD13 trials randomized to either 2 cycles of ABVD (2×ABVD; n = 137) or AVD (2×AVD; n = 82), each followed by involved-field radiotherapy (IF-RT), with patients randomized to 4×ABVD+IF-RT (n = 68). Patients’ median age was 65 years (range, 60-75) with comparable patient and disease characteristics. Grade III-IV adverse event rates were similar in patients receiving 2×AVD and 2×ABVD (40% and 39%, respectively), but considerably higher in patients receiving 4×ABVD (65%). Similarly, BLT was rare in patients receiving 2×ABVD/AVD, but occurred in 7/69 (10%) of patients randomized to 4×ABVD, with 3 lethal events. In conclusion, no effects of bleomycin on toxicity rates were detectable in older patients receiving 2 cycles of chemotherapy. However, we found a high risk of severe toxicity of bleomycin in older HL patients receiving more than 2 cycles of ABVD. These trials are registered at www.clinicaltrials.gov and www.isrctn.com as #NCT00265018 (HD10) and #ISRCTN63474366 (HD13).

Doxorubicin, bleomycin, vinblastine sulfate, and dacarbazine (ABVD) is associated with severe toxicity in older patients, particularly from bleomycin-induced lung toxicity (BLT). Therefore, using bleomycin has been questioned in older Hodgkin lymphoma (HL) patients, especially in early-stage HL. We therefore analyzed feasibility, toxicity, and efficacy of ABVD or AVD in 287 older early-stage favorable HL patients. We included patients ≥60 years of age in the German Hodgkin Study Group HD10 and HD13 trials randomized to either 2 cycles of ABVD (2×ABVD; n = 137) or AVD (2×AVD; n = 82), each followed by involved-field radiotherapy (IF-RT), with patients randomized to 4×ABVD+IF-RT (n = 68). Patients' median age was 65 years (range, 60-75) with comparable patient and disease characteristics. Grade III-IV adverse event rates were similar in patients receiving 2×AVD and 2×ABVD (40% and 39%, respectively), but considerably higher in patients receiving 4×ABVD (65%). Similarly, BLT was rare in patients receiving 2×ABVD/AVD, but occurred in 7/69 (10%) of patients randomized to 4×ABVD, with 3 lethal events. In conclusion, no effects of bleomycin on toxicity rates were detectable in older patients receiving 2 cycles of chemotherapy. However, we found a high risk of severe toxicity of bleomycin in older HL patients receiving more than 2 cycles of ABVD. These trials are registered at www.clinicaltrials.govand www.isrctn.comas #NCT00265018 (HD10) and #ISRCTN63474366 (HD13).

Bröckelmann: Bristol Myers Squibb: Honoraria, Research Funding; Takeda: Consultancy, Honoraria, Research Funding; MSD Sharp & Dohme: Research Funding. Keller:Bristol Myers Squibb: Honoraria, Other: Travel support, Speakers Bureau. Meissner:Celgene: Other: Travel support; Bristol Myers Squibb: Other: Travel support; Takeda: Other: Travel support; Merck Sharp & Dohme: Other: Travel support; Hexal: Other: Travel support. Trautmann:Bristol Myers Squibb: Honoraria. Kerkhoff:BMS: Honoraria. Hüttmann:Celgene: Honoraria, Other: TRAVEL, ACCOMMODATIONS, EXPENSES (paid by any for-profit health care company); Lead Discovery Center GmbH: Consultancy; Seattle Genetics: Research Funding; Gilead: Honoraria; University Hospital Essen, University of Duisburg-Essen, Essen, Germany: Current Employment; Roche: Other: Travel expenses; Takeda: Honoraria, Membership on an entity's Board of Directors or advisory committees, Other: TRAVEL, ACCOMMODATIONS, EXPENSES (paid by any for-profit health care company). Zimmermann:Takeda: Consultancy, Honoraria, Other: Travel Expenses; Bristol-Myers Squibb: Other: Travel Expenses; MSD: Other: Travel Expenses; Novartis: Other: Travel Expenses. Fuchs:Bristol Myers Squibb: Honoraria, Research Funding; Affimed: Honoraria; Takeda: Honoraria; Amgen: Honoraria; Celgene: Honoraria. von Tresckow:Takeda: Honoraria, Other: Travel support, Research Funding; Novartis: Other: Travel support, Research Funding; Takeda: Honoraria, Other: Travel support, Research Funding; MSD Sharp & Dohme: Honoraria, Research Funding; Roche: Honoraria; Kite/Gilead: Honoraria; Pfizer: Honoraria; Amgen: Honoraria. Borchmann:Takeda: Research Funding; Bristol Myers Squibb: Research Funding. Engert:Bristol Myers Squibb: Honoraria, Research Funding; Affimed Therapeutics: Research Funding; Takeda: Honoraria, Research Funding; MSD Sharp & Dohme: Honoraria; AstraZeneca: Honoraria; Sandoz: Honoraria.Nivolumab 240mg Q2W alone or in combination with AVD for 1st-line treatment of classical Hodgkin lymphoma.

Background: Immune-checkpoint inhibition with antibodies targeting programmed death protein 1 (PD1) was well tolerable and highly effective in pivotal phase II and III trials in relapsed or refractory (r/r) classical Hodgkin lymphoma (cHL). We aimed to evaluate emerging therapeutic sequences and the safety and efficacy of anti-PD1 antibodies in the rapidly changing routine care of r/r cHL.

Background:

Heger: Novartis: Research Funding; Gilead: Other: Travel funding. Gödel: Gilead: Other: Personal fees / travel support; Novartis: Other: Travel support. Balke-Want: Novartis: Research Funding. Simon: Gilead: Other: Travel support. Bröckelmann: BMS: Honoraria, Research Funding; Takeda: Honoraria, Research Funding; MSD: Research Funding; BeiGene: Research Funding. Von Tresckow: Amgen: Consultancy, Honoraria; AstraZeneca: Honoraria, Other: Congress and travel support; AbbVie: Other: Congress and travel support; BMS-Celgene: Consultancy, Honoraria, Other: Congress and travel support; Kite-Gilead: Consultancy, Honoraria; MSD: Consultancy, Honoraria, Other: Congress and travel support, Research Funding; Novartis: Consultancy, Honoraria, Other: Congress and travel support, Research Funding; Pentixafarm: Consultancy, Honoraria; Pfizer: Consultancy, Honoraria; Roche: Consultancy, Honoraria; Takeda: Consultancy, Honoraria, Other, Research Funding.

Trautmann-Grill: GSK: Consultancy, Honoraria; Takeda: Consultancy, Honoraria; Sanofi: Consultancy, Honoraria; Janssen: Consultancy, Honoraria. Kobbe: Celgene: Research Funding. Heinrich: Roche: Consultancy, Research Funding; Novartis: Consultancy, Research Funding; Eisai: Consultancy; Lilly: Consultancy, Research Funding; Sanofi: Consultancy; Astra: Consultancy, Research Funding; Abbvie: Research Funding. Schmidt: Incyte: Honoraria; Biotest: Honoraria; Alexion: Honoraria; AbbVie: Honoraria; Sanofi-Aventis: Honoraria; Novartis: Honoraria; Takeda: Honoraria; Janssen: Honoraria. Hüttmann: Celgene: Honoraria; Gilead: Honoraria; Lead Discovery Center GmbH: Consultancy; Takeda: Honoraria, Membership on an entity's Board of Directors or advisory committees. Fuchs: Lukon: Honoraria; Celgene: Honoraria; MSD: Honoraria; BMS: Honoraria; Takeda: Consultancy, Honoraria. von Tresckow: Novartis: Consultancy, Honoraria, Other: congress and travel support, Research Funding; Kite-Gilead: Consultancy, Honoraria; MSD: Consultancy, Honoraria, Other: congress and travel support, Research Funding; Takeda: Consultancy, Honoraria, Other, Research Funding; Roche: Consultancy, Honoraria; Pfizer: Consultancy, Honoraria; Pentixafarm: Consultancy, Honoraria; BMS-Celgene: Consultancy, Honoraria, Other: congress and travel support; AstraZeneca: Honoraria, Other: congress and travel support; Amgen: Consultancy, Honoraria; AbbVie: Other: congress and travel support. Borchmann: Gilead Sciences: Honoraria; BMS/Celgene: Honoraria; Janssen: Honoraria; Miltenyi Biotech: Honoraria; Novartis: Honoraria. Engert: MSD: Honoraria; Hexal: Honoraria; BMS: Honoraria, Research Funding; Astra Zeneca: Consultancy, Honoraria; Takeda: Consultancy, Honoraria, Research Funding; Tessa Therapeutics: Consultancy; Amgen: Honoraria; ADC Therapeutics: Consultancy. Bröckelmann: BMS: Honoraria, Research Funding; Takeda: Honoraria, Research Funding; MSD: Research Funding; BeiGene: Research Funding.

Individualization of treatment in Hodgkin’s lymphoma is necessary to improve cure rates and reduce treatment side effects. Currently, it is hindered by a lack of genomic characterization and sensitive molecular response assessment. Sequencing of cell-free DNA is a powerful strategy to understand the cancer genome and can be used for extremely sensitive disease monitoring. In Hodgkin’s lymphoma, a high proportion of cell-free DNA is tumor-derived, whereas traditional tumor biopsies only contain a little tumor-derived DNA.

Background:

Background

Bröckelmann: MSD Sharpe & Dohme: Research Funding; Takeda: Consultancy, Honoraria, Other: Travel Support, Research Funding; Bristol-Myers Squibb: Honoraria, Other: Travel Support, Research Funding. Greil:Amgen: Consultancy, Honoraria, Other: Travel/accomodation expenses, Research Funding; Celgene: Consultancy, Honoraria, Other: Travel/accomodation expenses, Research Funding; Eisai: Honoraria; Mundipharma: Honoraria, Research Funding; Merck: Consultancy, Honoraria, Research Funding; Ratiopharm: Research Funding; Gilead: Consultancy, Honoraria, Other: Travel/accomodation expenses, Research Funding; Takeda: Consultancy, Honoraria, Research Funding; Novartis: Consultancy, Honoraria, Other: Travel/accomodation expenses, Research Funding; Janssen-Cilag: Honoraria; Sanofi Aventis: Honoraria; MSD: Consultancy, Honoraria, Other: Travel/accomodation expenses, Research Funding; Sandoz: Honoraria; AbbVie: Consultancy, Honoraria, Research Funding; Pfizer: Honoraria, Research Funding; Roche: Consultancy, Honoraria, Other: Travel/accomodation expenses, Research Funding; Genentech: Honoraria, Research Funding; GSK: Research Funding; Daiichi Sankyo: Consultancy, Honoraria; AstraZeneca: Consultancy, Honoraria, Other: Travel/accomodation expenses, Research Funding; Boehringer Ingelheim: Honoraria. Zijlstra:Janssen: Honoraria; Takeda: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees; Gilead: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees; Roche: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees. Illidge:Div of Cancer Sciences, Faculty of Biology, Medicine and Health, Univ of Manchester, National Institutes of Health and Research Biomedical Research Center, Manchester Academic Health Sciences, Christie Hospital National Health Service Foundation Trust: Employment; Takeda: Consultancy, Membership on an entity's Board of Directors or advisory committees, Speakers Bureau; Seattle Genetics, Inc.: Research Funding. Zimmermann:Takeda: Honoraria, Other: Travel Expenses; Novartis: Other: Travel Expenses; MSD: Other: Travel Expenses; BMS: Other: Travel Expenses.

Bröckelmann: Bristol-Myers Squibb: Honoraria, Other: Travel Support, Research Funding; Takeda: Consultancy, Honoraria, Other: Travel Support, Research Funding; MSD Sharpe & Dohme: Research Funding. Kerkhoff:EUSA: Honoraria; Hexal: Honoraria; Celgene: Honoraria, Other: Travel Support; Roche: Honoraria; Novartis: Honoraria. Hüttmann:University Hospital Essen: Employment; Takeda: Honoraria; Gilead: Honoraria. Zimmermann:Takeda: Honoraria, Other: Travel Expenses; Novartis: Other: Travel Expenses; MSD: Other: Travel Expenses; BMS: Other: Travel Expenses. von Tresckow:MSD Sharpe & Dohme: Consultancy, Honoraria, Research Funding; Novartis: Consultancy, Honoraria, Research Funding; Takeda: Consultancy, Honoraria, Research Funding; Pfizer: Honoraria; Roche: Honoraria; Amgen: Honoraria. Klapper:Roche, Takeda, Amgen, Regeneron: Honoraria, Research Funding. Borchmann:Novartis: Honoraria, Research Funding.Nivolumab 240mg i.v. 2-weekly for 1st-line treatment of classical Hodgkin lymphoma.

Borchmann: Novartis: Honoraria, Research Funding. Bröckelmann:Bristol-Myers Squibb: Honoraria, Other: Travel Support, Research Funding; Takeda: Consultancy, Honoraria, Other: Travel Support, Research Funding; MSD Sharpe & Dohme: Research Funding.

Background

Bröckelmann: Takeda: Research Funding. Casasnovas:Roche: Consultancy, Research Funding; Takeda: Consultancy; Gilead: Consultancy. Hutchings:Takeda: Research Funding. von Tresckow:Novartis: Consultancy, Other: Travel and accomodation, Research Funding; Amgen: Other: honoraria for preparation of scientific educational events ; Celgene: Other: honoraria for preparation of scientific educational events; Takeda: Consultancy. Borchmann:Millennium: Research Funding. Moskowitz:Takeda: Research Funding. Engert:Takeda: Consultancy, Research Funding.

Background:Detailed knowledge on prognostic factors in patients with rrHL treated with ASCT is essential to determine which patients could benefit from innovative treatment approaches with novel drugs to either improve prognosis or decrease toxicity. In this study we therefore aimed at developing a comprehensive prognostic score for progression free survival (PFS) after ASCT in a large international cohort.