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Multi-agent chemotherapy and RT for decades have remained mainstay of HL therapy and provided cure to the majority of patients. Nearly 80 years after the first reports of curative treatment with radiotherapy (RT) and cytostatic agents, the therapeutic landscape of classical Hodgkin lymphoma (HL) has evolved dramatically. [Extracted from the article]

Hodgkin lymphoma (HL) has become a highly curable malignancy even in advanced stages when treated adequately. However, relapsed or refractory disease and treatment-related toxicity constitute a significant clinical challenge. Innovative approaches are thus needed to improve treatment of these mainly young patients. In HL lesions, very few malignant Hodgkin and Reed-Sternberg (HRS) cells are embedded in an immunosuppressive microenvironment of reactive cells. Novel approaches such as bispecific antibodies, antibody-drug conjugates, immune-checkpoint inhibitors or adoptive cellular therapies are currently being investigated with promising results in relapsed or refractory patients. Encouraging response rates and a favorable toxicity profile have recently been reported in early phase clinical trials with antibodies blocking the programed-death receptor 1 (PD1). This review will summarize the current clinical knowledge on mechanism, safety and efficacy of the different agents and discuss potential future strategies, which are partly already investigated within clinical trials. [ABSTRACT FROM AUTHOR]

The article offers information on the effectiveness of lenalidomide in treating patients with refractory or multiple relapsed Hodgkin lymphoma (HL). It reports that lenalidomide is a derivative of thalidomide and is categorized in the class of immunodulatory drugs. It discusses the clinical trial conducted on patients with refractory or multiple relapsed Hodgkin lymphoma. It concludes that lenalidomide is easily tolerated within patients and high toxicity is also not observed.

Purpose: Response-adapted treatment using early interim functional imaging with PET after two cycles of chemotherapy (PET-2) for advanced-stage Hodgkin's lymphoma (AS-HL) is the standard of care in several countries. However, the distribution of residual metabolic disease in PET-2 and the prognostic relevance of multiple involved regions have not been reported to date. Methods: We retrospectively analyzed data from all PET-2-positive patients included in HD18. Residual tissue was visually compared with reference regions according to the Deauville score (DS). PET-2 positivity was defined as residual tissue with uptake above the liver (DS4). PFS was defined as the time from staging until progression, relapse, or death from any cause, or to the day when information was last received on the patient's disease status and analyzed using Kaplan-Meier and Cox regressions. Comparisons were made between patients with 1–2 and >2 positive regions in PET-2 as well as patients without PET-2-positive regions randomized into comparator arms of HD18. Results: Between 2008 and 2014, 1964 patients with newly diagnosed AS-HL were recruited in HD18 and randomized following their PET-2 scan. Of these, 480 patients had a positive PET-2 and were eligible for this analysis. Upper and lower mediastinum in almost half of all patients: 230 (47.9%) and 195 (40.6%), respectively. 372 (77.5%) of patients have 1–2 positive regions in PET-2. 5y-PFS for patients with 1–2 regions was 91.7% (CI95: 88.7–94.6) vs. 81.8% (CI95: 74.2–90.1) for those with >2 regions with a corresponding hazard ratio (HR) of 2.2 (CI95: 1.2–4.0). Compared with patients without PET-2-positive disease receiving 6–8 cycles of chemotherapy, patients with 1–2 had a higher risk for a PFS event (HR 1.35; CI95 0.81–2.28), but it was not statistically significant (p=0.25). Patients with >2 PET-2-positive lesions had a significantly higher risk (HR 2.95; CI95: 1.62–5.37; p<0.001). Conclusion: PET-2-positive residuals of AS-HL are mostly located in the mediastinum, and a majority of patients have few affected regions. The risk of progression was twofold higher in patients with more than two positive regions in PET-2. [ABSTRACT FROM AUTHOR]

Objectives: The prognostic relevance of metabolic tumor volume (MTV) having recently been demonstrated in patients with early‐stage favorable and advanced‐stage Hodgkin lymphoma. The current study aimed to assess the potential prognostic value of 18F‐fluorodeoxyglucose (FDG) positron emission tomography (PET) in early‐stage unfavorable Hodgkin lymphoma patients treated within the German Hodgkin Study Group HD17 trial. Methods: 18F‐FDG PET/CT images were available for MTV analysis in 154 cases. We used three different threshold methods (SUV2.5, SUV4.0, and SUV41%) to calculate MTV. Receiver‐operating‐characteristic analysis was performed to describe the value of these parameters in predicting an adequate therapy response. Therapy response was evaluated as PET negativity after 2 cycles of eBEACOPP followed by 2 cycles of ABVD. Results: All three threshold methods analyzed for MTV showed a positive correlation with the PET response after chemotherapy. Areas under the curve (AUC) were 0.70 (95% CI 0.53–0.87) and 0.65 (0.50–0.80) using the fixed thresholds of SUV4.0 and SUV2.5, respectively, for MTV‐ calculation. The calculation of MTV using a relative threshold of SUV41% showed an AUC of 0.63 (0.47–0.79). Conclusions: MTV does have predictive value after chemotherapy in early‐stage unfavorable Hodgkin lymphoma, particularly when the fixed threshold of SUV4.0 is used for MTV calculation. Trial registration: ClinicalTrials.gov NCT01356680. [ABSTRACT FROM AUTHOR]

Objectives: Patients with classical Hodgkin lymphoma (cHL) relapsing after second‐line therapy have a dismal prognosis and novel approaches are required for this patient group. Based on promising (pre‐)clinical data and the favourable toxicity profile, we performed a phase II clinical trial with the JAK inhibitor ruxolitinib in patients with relapsed or refractory cHL (r/r cHL). Methods: Patients ≥18 years with histologically confirmed r/r cHL who failed second‐line treatment were included. Ruxolitinib was given orally at a dose of 25 mg twice daily in continuous 28‐day cycles until progression or unacceptable toxicity. Primary endpoint was the PET/CT‐based overall response rate (ORR; complete response (CR) or partial response (PR)) after 2 cycles; secondary endpoints included progression‐free (PFS) and overall survival (OS) as well as feasibility. The Jericho Trial adopted a 2‐stage phase 2 design (Simon 1989). Results: Among the 12 included patients in stage 1, 2 had a PR, 3 had a stable disease (SD) and 6 had progressive disease (PD) after two treatment cycles (ORR: 2/12 evaluable patients, 16.7%). Median PFS was 3.6 months, the 1‐year OS estimate was 50.6% (median not reached). The toxicity profile was favourable with only one grade IV adverse event (7.1%) reported. Conclusion: Ruxolitinib exhibited a favourable side effect profile but modest activity in r/r cHL. Although the formal stopping criterion after stage 1 was not met, the trial did not continue to stage 2 due to the low response and PFS rates observed in stage 1. [ABSTRACT FROM AUTHOR]

Value of bone marrow biopsy in Hodgkin lymphoma patients staged by FDG PET: results from the German Hodgkin Study Group trials HD16, HD17, and HD18. Keywords: bone marrow involvement; Hodgkin lymphoma; intensive chemotherapy; positron emission tomography; prognosis EN bone marrow involvement Hodgkin lymphoma intensive chemotherapy positron emission tomography prognosis e5 e8 4 03/30/22 20220401 NES 220401 Newly diagnosed advanced-stage Hodgkin lymphoma (HL) has become a curable malignancy in the vast majority of patients.1,2 With response-adapted treatment comprising four or six cycles of bleomycin, etoposide, doxorubicin, cyclophosphamide, vincristine, procarbazine, and prednisone (BEACOPP) in escalated dose (eBEACOPP), outstanding cure rates are achieved through a comparatively short and safe treatment approach.3,4 Around 5 to 15% of HL patients present with bone marrow (BM) involvement, as assessed by conventional biopsy.5-7 According to the Ann Arbor classification, BM involvement reflects a high tumour burden and therefore defines stage IV disease.8 Positron emission tomography (PET) using SP 18 sp F-fluoro-2-deoxy-d-glucose (FDG) has demonstrated superior sensitivity compared to BM biopsy.9-11 In paediatric advanced HL, only individuals showing three or more BM lesions were assumed to be at higher risk for progression or relapse.12 Yet, there are insufficient data available to establish whether this also holds true for adult patients receiving intensive first-line treatment. PET imaging was shown to identify BM lesions at a higher sensitivity than biopsy of the iliac bone and has become part of diagnostic work-up in most countries.15 Current study protocols no longer recommend BM biopsy in PET-negative individuals. [Extracted from the article]

Background: Patients with Hodgkin's lymphoma might have persistent fatigue even years after treatment. However, knowledge of the development of fatigue persisting long after completion of treatment is limited. Therefore, we did a detailed analysis of fatigue in our first-line clinical trials for early-stage favourable (HD13 trial), early-stage unfavourable (HD14 trial), and advanced-stage (HD15 trial) Hodgkin's lymphoma. Beyond the description of fatigue from diagnosis up to 5 years after treatment, we aimed to assess any effect of patient characteristics, disease characteristics, or treatment characteristics on persistent fatigue.Methods: In this longitudinal study, we included patients with early-stage favourable, early-stage unfavourable, and advanced-stage Hodgkin's lymphoma from the HD13, HD14, and HD15 trials, respectively, aged between 18 and 60 years. Eligible patients for these trials had newly diagnosed, histologically proven Hodgkin's lymphoma, an Eastern Cooperative Oncology Group performance status of 2 or lower, HIV negativity, and absence of comorbidity disallowing protocol treatment. We used the fatigue scale of the European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30 questionnaire to assess fatigue from diagnosis up to 5 years after the end of treatment. The primary outcomes of interest in this study were fatigue scores in the second and fifth year after end of treatment. We estimated the effect of different disease, patient, and treatment characteristics on fatigue with multiple regression analyses and identified fatigue trajectories with growth mixture models. The regression analyses and growth mixture models used robust and full information maximum likelihood estimates to account for missing data. The HD13, HD14, and HD15 trials are registered as international standard randomised controlled trials, ISRCTN63474366, ISRCTN04761296, and ISRCTN32443041, respectively.Findings: The HD13 trial enrolled patients with early-stage favourable disease from Jan 28, 2003, to Sept 30, 2009; the HD14 trial enrolled patients with early-stage unfavourable disease from Jan 28, 2003, to Dec 23, 2009; and the HD15 trial enrolled patients with advanced-stage disease from Jan 28, 2003, to April 18, 2008. 5306 patients were enrolled in these trials. We analysed 4215 patients with any valid fatigue assessment up to 5 years after the end of treatment. Patients with higher tumour burden at diagnosis had more fatigue at baseline (mean fatigue score in HD13: 30·8 [SD 28·0]; in HD14: 39·8 [29·4], and in HD15: 49·0 [30·2]). Fatigue scores (FA) in the second year after the end of treatment were 28·5 (24·7) in HD13, 28·8 (24·4) in HD14, and 30·7 (24·4) in HD15; in the fifth year after the end of treatment FA was 30·8 (26·0) in HD13, 27·1 (24·8) in HD14, and 28·2 (24·9) in HD15. Predictors of fatigue in the second and fifth year after end of treatment were baseline fatigue (p<0·0001) and age as a continuous variable (p<0·0001). In addition to preceding fatigue and age, patient sex and Hodgkin's lymphoma specific risk factors at baseline did not consistently and significantly improve the prognosis of fatigue in the first, second, and fifth year after end of treatment. There was no significant effect of treatment on fatigue scores in the second and fifth year after treatment.Interpretation: Our findings show a high incidence of severe acute and persistent fatigue in Hodgkin's lymphoma survivors, which is largely independent of tumour stage and treatment. Our results contribute to a better understanding of fatigue in patients with Hodgkin's lymphoma and Hodgkin's lymphoma survivors and could inform development of urgently needed intervention strategies.Funding: Deutsche Krebshilfe. [ABSTRACT FROM AUTHOR]

This sixteenth biannual report of the Cochrane Haematological Malignancies Group highlights recently published randomized controlled trials (RCTs) in the field of hemato-oncology, with special focus on non-Hodgkin’s lymphoma. The report covers the publication period June 2012 to July 2013. Trials are selected regarding their methodology and implication for clinical practice. Studies were identified by electronic search of MEDLINE using a broad search filter that covers all topics in hemato-oncology combined with a highly sensitive search filter for randomized trials (Cochrane Handbook for Systematic Reviews of Interventions). Four RCTs are presented in detail, followed by two further RCTs of high importance in a short version. The report is finalized with an overview of new and updated Cochrane Reviews. [ABSTRACT FROM PUBLISHER]

Approximately 20% of all Hodgkin lymphoma (HL) patients are older than 60 years and have a poor prognosis, mainly because of increased treatmentrelated toxicity resulting in reduced overall dose intensity and more treatmentrelated mortality. To possibly improve the treatment of elderly HL patients, the German Hodgkin Study Group developed a new regimen, PVAG (prednisone, vinblastine, doxorubicin, and gemcitabine). In this multicenter phase 2 study, elderly HL patients in early unfavorable and advanced stages received 6 to 8 cycles of PVAG and additional radiotherapy if they were not in complete remission (CR) after chemotherapy. Endpoints included feasibility, acute toxicity, and response rate. Fifty-nine patients 60 to 75 years of age (median, 68 years) were eligible for analysis; 93% had advanced stage disease. WHO grade 3/4 toxicities were documented in 43 patients; 46 patients responded with CR/CR uncertain (78%). Within 37 months median observation time, 15 progressions or relapses and 17 deaths were observed, of which 8 were related to HL and 1 was the result of treatment-related toxicity. The 3-year estimates for overall survival and progression-free survival were 66% (95% CI, 50%78%) and 58% (95% CI, 43%-71 %), respectively. We conclude that PVAG is safe and feasible in elderly HL patients. This trial was registered at www.clinlcaltrials.gov as #NCT00147875. [ABSTRACT FROM AUTHOR]

Background Tisagenlecleucel, a chimeric antigen receptor T-cell therapy, has demonstrated efficacy and manageable safety in adult patients (pts) with relapsed/refractory diffuse large B-cell lymphoma (r/r DLBCL) in the global, multicenter, pivotal, phase 2, JULIET trial (NCT02445248). The primary endpoint, overall response rate (ORR), was met at the interim analysis (ORR: 59% [CR, 43%; PR, 16%]). Here, we report an updated analysis with a median 19 mo follow-up. Methods Adult pts ≥18 y with r/r DLBCL that had progressed after ≥2 lines of therapy including rituximab and an anthracycline and who were ineligible for or failed autologous stem cell transplant (ASCT) were enrolled. Tisagenlecleucel was manufactured from autologous T cells at 2 facilities (Morris Plains, NJ, USA [main cohort]. and Leipzig, Germany [cohort A]) and provided to pts at 27 treatment centers in 10 countries across the globe. Efficacy analyses include all pts with ≥3 mo of follow-up or earlier discontinuation. Safety analyses include all infused pts. Results In the JULIET study, 115 pts (99 in main cohort; 16 in cohort A) received a single dose of tisagenlecleucel infusion as of 21 May 2018. Prior to infusion, 90% of infused pts received bridging chemotherapy and 93% received lymphodepletion chemotherapy. Pts were a median 56 y (range, 22-76 y); 77% of pts had stage III/IV and 17% had double/triple-hit disease at the time of entry. Approximately half (51%) of pts had received ≥3 prior lines of chemotherapy (range, 1-6); 49% received prior ASCT. ORR was 54% (40% CR, 13% PR; 95% CI, 43%-64%) with a median follow-up of 19.3 mo post-infusion. Median duration of response (DOR) was not reached. The relapse-free probability was 66% (95% CI, 51%-78%) at 6 mo and 64% (95% CI, 48%-76%) at 12 or 18 mo. Consistent ORR was reported across prognostic subgroups (eg, prior ASCT; double/triple-hit lymphoma) and DOR was similar among age groups and disease status (Figure). Median OS was not reached for pts in CR and was 11.1 mo (95% CI, 6.6 mo-NE) for all infused pts. The probability of OS was 48% (95% CI, 38%-57%) at 12 mo and 43% (95% CI, 33%-53%) at 18 mo (max follow-up, 29 mo). No pts proceeded to allogeneic SCT or ASCT while in remission. During the first 8 wks post-infusion, grade 3/4 adverse events of special interest were cytopenias lasting >28 days (34%), cytokine release syndrome (CRS; 23%, by the Penn scale), infections (19%), febrile neutropenia (15%), neurologic events (11%; 1 case of grade 2 cerebral edema), and tumor lysis syndrome (2%). Tocilizumab was administered to 16% of pts with CRS, and no treatment-related death was reported. Conclusions This updated analysis with longer follow-up confirms earlier findings. Tisagenlecleucel produced a durable high ORR, consistent efficacy across all predefined subgroups, and had a manageable safety profile in pts with r/r DLBCL. [ABSTRACT FROM AUTHOR]