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| 2. |
- Gregersen, Henrik, et al.
(författare)
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Carfilzomib and dexamethasone maintenance following salvage ASCT in multiple myeloma : A randomised phase 2 trial by the Nordic Myeloma Study Group
- 2022
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Ingår i: European Journal of Haematology. - : John Wiley & Sons. - 0902-4441 .- 1600-0609. ; 108:1, s. 34-44
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Tidskriftsartikel (refereegranskat)abstract
- Objective We investigated the efficacy and safety of carfilzomib-containing induction before salvage high-dose melphalan with autologous stem-cell transplantation (salvage ASCT) and maintenance with carfilzomib and dexamethasone after salvage ASCT in multiple myeloma. Methods This randomised, open-label, phase 2 trial included patients with first relapse of multiple myeloma after upfront ASCT who were re-induced with four cycles of carfilzomib, cyclophosphamide and dexamethasone. Two months after salvage, ASCT patients were randomised to either observation or maintenance therapy with iv carfilzomib 27 -> 56 mg/sqm and p.o. dexamethasone 20 mg every second week. The study enrolled 200 patients of which 168 were randomised to either maintenance with carfilzomib and dexamethasone (n = 82) or observation (n = 86). Results Median time to progression (TTP) after randomisation was 25.1 months (22.5-NR) in the carfilzomib-dexamethasone maintenance group and 16.7 months (14.4-21.8) in the control group (HR 0.46, 95% CI 0.30-0.71; P = .0004). The most common adverse events during maintenance were thrombocytopenia, anaemia, hypertension, dyspnoea and bacterial infections. Conclusion In summary, maintenance therapy with carfilzomib and dexamethasone after salvage ASCT prolonged TTP with 8 months. The maintenance treatment was in general well-tolerated with manageable toxicity.
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| 3. |
- Hegvik, Tor-Arne, et al.
(författare)
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Labor epidural analgesia and subsequent risk of offspring autism spectrum disorder and attention-deficit/hyperactivity disorder : A cross-national cohort study of 4.5 million individuals and their siblings
- 2023
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Ingår i: American Journal of Obstetrics and Gynecology. - : Elsevier. - 0002-9378 .- 1097-6868. ; 228:2, s. 233.e1-233.e12
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: A recent study has suggested that labor epidural analgesia may be associated with increased rates of offspring autism spectrum disorder (ASD). Subsequent replication attempts have lacked sufficient power to confidently exclude the possibility of a small effect and the causal nature of this association remains unknown.OBJECTIVE: To investigate the extent to which exposure to labor epidural analgesia is associated with offspring ASD and attention-deficit/hyperactivity disorder (ADHD) following adjustments for unmeasured familial confounding.STUDY DESIGN: We identified 4,498,462 singletons and their parents using the Medical Birth Registers in Finland (cohorts born 1987-2005), Norway (1999-2015), and Sweden (1987-2011), linked with population and patient registries. These cohorts were followed from birth until they either had the outcomes of interest, emigrated, died, or reached the end of the follow-up (at mean ages 13.6-16.8 years), whichever occurred first. Cox regression models were used to estimate country-specific associations between labor epidural analgesia recorded at birth and outcomes (e.g., at least one secondary care diagnosis of ASD and ADHD or at least one dispensed prescription of medication used for the treatment of ADHD). The models were adjusted for sex, birth year, birth order, and unmeasured familial confounders via sibling-comparisons. Pooled estimates across all three countries were estimated using inverse variance weighted fixed-effects meta-analysis models.RESULTS: A total of 4,498,462 individuals (48.7% female) were included, 1,091,846 (24.3%) of which were exposed to labor epidural analgesia. Of these, 1.2% were diagnosed with ASD and 4.0% with ADHD. On the population level, pooled estimates showed that labor epidural analgesia was associated with increased risk of offspring ASD (adjusted hazard ratio, aHR=1.12; 95% CI: 1.10-1.14, absolute risks: 1.20% vs. 1.07%) and ADHD (aHR=1.20; 1.19-1.21; 3.95% vs. 3.32%). However, when comparing full-siblings who were differentially exposed to labor epidural analgesia, the associations were fully attenuated for both conditions, with narrow confidence intervals (aHRASD=0.98; 0.93-1.03; aHRADHD=0.99; 0.96-1.02).CONCLUSION: In this large cross-national study, we found no support for the hypothesis that exposure to labor epidural analgesia causes either offspring autism spectrum disorder or attention-deficit/hyperactivity disorder.
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| 4. |
- Hjorth-Hansen, Henrik, et al.
(författare)
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Dasatinib induces fast and deep responses in newly diagnosed chronic myeloid leukaemia patients in chronic phase: clinical results from a randomised phase-2 study (NordCML006)
- 2015
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Ingår i: European Journal of Haematology. - : Wiley. - 1600-0609 .- 0902-4441. ; 94:3, s. 243-250
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Tidskriftsartikel (refereegranskat)abstract
- We randomised 46 newly diagnosed patients with chronic myeloid leukaemia (median age 56) to receive dasatinib 100mg QD or imatinib 400mg QD and report outcome as an intention-to-treat analysis with 36months follow-up. Early cytogenetic and molecular responses were superior in the dasatinib group, with a tendency that imatinib patients caught up with time. For instance, MR3.0 was reached at 3months in 36% vs. 8% (P=0.02), at 12months in 81% vs. 46% (P=0.02) and at 18months in 73% vs. 65% (n.s.) of the patients in the two groups. In contrast, MR4.5 was consistently superior in the dasatinib group at all time points from 6months onwards, reaching 61% vs. 21% (P<0.05) at 36months. Sixty-four vs. 71% of the patients in the dasatinib and imatinib arms, respectively, remained on assigned drug. Dasatinib dose was frequently reduced, but with maintained excellent effect. One imatinib patient progressed to blastic phase, but no CML-related deaths occurred. In conclusion, our data compare favourably with those of the dasatinib registration study, DASISION. The fast and deep molecular responses induced by dasatinib compared with imatinib may be exploited to increase the proportion of patients who can achieve a treatment-free remission after treatment discontinuation.
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| 5. |
- Johnsen, Hans E., et al.
(författare)
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Multiparametric Flow Cytometry Profiling of Neoplastic Plasma Cells in Multiple Myeloma
- 2010
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Ingår i: Cytometry Part B - Clinical Cytometry. - : Wiley. - 1552-4949. ; 78B:5, s. 338-347
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Tidskriftsartikel (refereegranskat)abstract
- Background and aim: The clinical impact of multiparametric flow cytometry (MFC) in multiple myeloma (MM) is still unclear and under evaluation. Further progress relies on multiparametric profiling of the neoplastic plasma cell (PC) compartment to provide an accurate image of the stage of differentiation. The primary aim of this study was to perform global analysis of CD expression on the PC compartment and subsequently to evaluate the prognostic impact. Secondary aims were to study the diagnostic and predictive impact. Design and methods: The design included a retrospective analysis of MFC data generated from diagnostic bone marrow (BM) samples of 109 Nordic patients included in clinical trials within NMSG. Whole marrow were analyzed by MFC for identification of end-stage CD45(-)/CD38(++) neoplastic PC and registered the relative numbers of events and mean fluorescence intensity (MFI) staining for CD19, CD20, CD27, CD28, CD38, CD44, CD45, CD56, and isotypes for cluster analysis. Results: The median MFC-PC number was 15%, and the median light microscopy (LM)-PC number was 35%. However, the numbers were significant correlated and the prognostic value with an increased relative risk (95% Cl) of 3.1 (1.7-5.5) and 2.9 (1.4-6.2), P < 0.0003 and P < 0.004 of MFC-PC and LM-PC counts, respectively. Unsupervised clustering based on global MFI assessment on PC revealed two clusters based on CD expression profiling. Cluster I with high intensity for CD56, CD38, CD45, right-angle light-scatter signal (SSC), forward-angle light-scatter signal (FSC), and low for CD28, CD19, and a Cluster II, with low intensity of CD56, CD38, CD45, SSC, FSC, and high for CD28, CD19 with a median survival of 39 months and 19 months, respectively (P = 0.02). Conclusions: The MFC analysis of MM BM samples produces diagnostic, prognostic, and predictive information useful in clinical practice, which will be prospectively validated within the European Myeloma Network (EMN). (C) 2010 International Clinical Cytometry Society
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| 6. |
- Koskenvesa, Perttu, et al.
(författare)
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Imatinib and pegylated IFN-alpha 2b discontinuation in first-line chronic myeloid leukemia patients following a major molecular response
- 2014
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Ingår i: European Journal of Haematology. - : Wiley. - 0902-4441 .- 1600-0609. ; 92:5, s. 413-420
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Tidskriftsartikel (refereegranskat)abstract
- Objectives Previous studies indicate that 40-50% of patients with chronic myeloid leukemia in prolonged complete molecular remission may discontinue imatinib therapy without imminent relapse. The combination of pegylated interferon-alpha (Peg-IFN-alpha 2b) and imatinib may increase the rate of successful discontinuation. Methods In this pilot study, we prospectively stopped imatinib from patients (n=12) who had achieved major molecular response (MMR) after >= 12months of treatment with either imatinib or imatinib+Peg-IFN-alpha 2b. Molecular monitoring was carried out monthly for BCR-ABL1. In addition, analyses of lymphocyte immunophenotype, function, and plasma cytokines were performed. Results In the monotherapy group, 5/6 patients lost MMR within 4months. One patient remains to date in MR4.0 61months after discontinuation. In the combination therapy group, 2/6 patients relapsed within 4months while still receiving Peg-IFN-alpha 2b. Four of six patients were able to discontinue both treatments, but three of these patients relapsed after 3months. One patient is still in sustained MR4.0 at 58months off all treatment. All relapsed patients re-responded to imatinib. The two successfully discontinued patients had either an increased number of NK-cells or functionally active T-cells. Conclusions A higher frequency of relapsed patients in our study in comparison with other studies may be due to the shorter duration of imatinib treatment prior to discontinuation. However, in selected patients with an active immune system, even a short duration of TKI therapy (<2yr) may allow for therapy discontinuation but this needs to be confirmed in larger prospective studies.
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| 7. |
- Mellqvist, Ulf-Henrik, et al.
(författare)
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Bortezomib consolidation after autologous stem cell transplantation in multiple myeloma: a Nordic Myeloma Study Group randomized phase 3 trial
- 2013
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Ingår i: Blood. - : American Society of Hematology. - 0006-4971 .- 1528-0020. ; 121:23, s. 4647-4654
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Tidskriftsartikel (refereegranskat)abstract
- The Nordic Myeloma Study Group conducted an open randomized trial to compare bortezomib as consolidation therapy given after high-dose therapy and autologous stem cell transplantation (ASCT) with no consolidation in bortezomib-naive patients with newly diagnosed multiple myeloma. Overall, 370 patients were centrally randomly assigned 3 months after ASCT to receive 20 doses of bortezomib given during 21 weeks or no consolidation. The hypothesis was that consolidation therapy would prolong progression-free survival (PFS). The PFS after randomization was 27 months for the bortezomib group compared with 20 months for the control group (P = .05). Fifty-one of 90 patients in the treatment group compared with 32 of 90 controls improved their response after randomization (P = .007). No difference in overall survival was seen. Fatigue was reported more commonly by the bortezomib-treated patients in self-reported quality-of-life (QOL) questionnaires, whereas no other major differences in QOL were recorded between the groups. Consolidation therapy seemed to be beneficial for patients not achieving at least a very good partial response (VGPR) but not for patients in the andgt;= VGPR category at randomization. Consolidation with bortezomib after ASCT in bortezomib-naive patients improves PFS without interfering with QOL. This trial was registered at www.clinicaltrials.gov as #NCT00417911.
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