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- Alping, P., et al.
(författare)
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Effectiveness of initial MS treatments in the COMBAT-MS trial : injectables, dimethyl fumarate, natalizumab and rituximab
- 2021
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Ingår i: Multiple Sclerosis Journal. - : Sage Publications. - 1352-4585 .- 1477-0970. ; 27:Suppl. 2, s. 21-22
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Introduction: Direct comparisons across multiple disease-modifying therapies (DMTs) for relapsing-remitting multiple sclerosis (RRMS) are valuable in clinical decision making. COMBAT-MS (NCT03193866) is an observational drug trial capturing data on clinical relapses, lesions on magnetic resonance imaging (MRI), Expanded Disability Status Scale (EDSS), and drug survival, at all Swedish university clinics.Objective: Compare the effectiveness of the most common initial MS therapies in Sweden.Methods: All first-ever MS treatments with injectables (INJ, interferon-β/glatiramer acetate), dimethyl fumarate (DMF), natalizumab (NTZ), and rituximab (RTX), started 2011-01-01 to 2020-12-14, were identified with prospectively recorded outcome data in the Swedish MS Register. Follow-up continued even if the therapy ended. Missing data were imputed using multiple imputation and potential confounding was adjusted for using stabilized inverse probability of treatment weighting with baseline variables: age, sex, MS duration, geographical region, EDSS, and relapses. All comparisons are made against RTX.Results: We included 1936 first-ever therapy episodes: 856 INJ, 341 DMF, 270 NTZ, and 469 RTX. Baseline characteristics differed by DMT, with natalizumab having the youngest patients, shortest MS duration, and the most previous relapses.After adjustment, the hazard ratio (HR) for first relapse vs RTX was for INJ 5.9 (95% confidence interval 3.7; 9.5), DMF 2.8 (1.7; 4.8), and NTZ 1.8 (1.0; 3.3). Similarly, the relative three-year lesion rate was for INJ 6.06 (3.75; 9.80), DMF 3.52 (2.01; 6.17), and NTZ 2.03 (1.14; 3.64). EDSS differences at three years were only marginally different: INJ 0.25 (0.06; 0.44), DMF 0.05 (-0.16; 0.26), and NTZ 0.00 (-0.23; 0.24). In contrast, HR for treatment discontinuation was marked: INJ 32.5 (19.0; 55.7), DMF 20.2 (11.5; 35.4), and NTZ 16.2 (8.9; 29.5).Conclusions: In treatment-naïve patients, RTX was associated with the lowest risk of relapses and MRI lesions, and by far the lowest probability of switching to a second therapy. In contrast, EDSS at 3 years was similar for RTX, DMF, and NTZ, and only slightly higher for INJ. The apparent difference in effectiveness between NTZ and RTX could possibly be explained by the vulnerable period after switching from NTZ, mainly due to JC virus positivity. These findings underscore the importance of tracking long-term outcomes from first DMT start, while considering subsequent therapy switches.
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- Persson, K. A., et al.
(författare)
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WCDMA radio-over-fibre transmission experiment using singlemode VCSEL and multimode fibre
- 2006
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Ingår i: Electronics Letters. - : Institution of Engineering and Technology (IET). - 1350-911X .- 0013-5194. ; 42:6, s. 372-374
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Tidskriftsartikel (refereegranskat)abstract
- A high-performance singlemode VCSEL developed for analogue applications has been evaluated for use in a radio-over-fibre link for WCDMA in-building distributed antenna systems. The experiment showed penalty-free transmission over a wide range of input RF powers. The ACLR limited the downlink input RF power to less than -13dBm.
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- Salzer, J., et al.
(författare)
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Rituximab in multiple sclerosis
- 2016
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Ingår i: Neurology. - 0028-3878. ; 87:20, s. 2074-2081
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To investigate the safety and efficacy of rituximab in multiple sclerosis (MS). Methods: In this retrospective uncontrolled observational multicenter study, off-label rituximab-treated patients with MS were identified through the Swedish MS register. Outcome data were collected from the MS register and medical charts. Adverse events (AEs) grades 2-5 according to the Common Terminology Criteria for Adverse Events were recorded. Results: A total of 822 rituximab-treated patients with MS were identified: 557 relapsing-remitting MS (RRMS), 198 secondary progressive MS (SPMS), and 67 primary progressive MS (PPMS). At baseline, 26.2% had contrast-enhancing lesions (CELs). Patients were treated with 500 or 1,000 mg rituximab IV every 6-12 months, during a mean 21.8 (SD 14.3) months. During treatment, the annualized relapse rates were 0.044 (RRMS), 0.038 (SPMS), and 0.015 (PPMS), and 4.6% of patients displayed CELs. Median Expanded Disability Status Scale remained unchanged in RRMS (p 0.42) and increased by 0.5 and 1.0 in SPMS and PPMS, respectively (p 0.10 and 0.25). Infusion-related AEs occurred during 7.8% of infusions and most were mild. A total of 89 AEs grades ≥2 (of which 76 infections) were recorded in 72 patients. No case of progressive multifocal leukoencephalopathy was detected. Conclusions: This is the largest cohort of patients with MS treated with rituximab reported so far. The safety, clinical, and MRI findings in this heterogeneous real-world cohort treated with different doses of rituximab were similar to those reported in previous randomized controlled trials on B-cell depletion therapy in MS. Classification of evidence: This study provides Class IV evidence that for patients with MS, rituximab is safe and effective. © 2016 American Academy of Neurology.
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| 10. |
- Alping, P, et al.
(författare)
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Reply
- 2016
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Ingår i: Annals of neurology. - : Wiley. - 1531-8249 .- 0364-5134. ; 80:5, s. 791-792
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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