Publications by authors named "Kjellbjoern Jakobsen"

Purpose: This nationwide Danish cohort study compared overall survival (OS) between non-Western immigrant patients and Danish-born patients with lymphoma in Denmark. Furthermore, differences in clinical and socioeconomic variables were compared, and mediators of OS differences were explored to explain possible outcome differences.

Patients And Methods: The study included a total of 540 non-Western patients and 16,294 Danish-born patients diagnosed with lymphoma in the period 2000-2020.

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Aims: (1) To codesign a health literacy intervention within a specialist healthcare setting to help the parents of children with epilepsy access, comprehend, use and communicate information and (2) to assess the intervention's feasibility by exploring stakeholders' perspectives on its usefulness, ease of use of trial methods and contextual factors impacting its execution.

Design: A codesign participatory approach followed by a feasibility approach inspired by the OPtimising HEalth LIteracy and Access to Health Services (Ophelia) process for health literacy intervention development.

Methods: (1) The codesign approach included workshops with (a) multidisciplinary personnel (n = 9) and (b) parents (n = 12), along with (c) an interview with one regional epilepsy specialist nurse (n = 1).

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Rationale: The biodegradable polymer BioMatrix Alpha™ stent contains biolimus A9 drug which is sirolimus derivative increase in lipophicity. The biodegradable polymer sirolimus eluting Combo™ stent is a dual-therapy sirolimus-eluting and CD34+ antobody coated stent capturing endothelial progenitor cells (EPCs).

Hypothesis: The main hypothesis of the SORT OUT XI trial was that the biodegradable polymer biolimus A9 BioMatrix Alpha ™ stent is noninferior to the biodegradable polymer sirolimus eluting Combo™ stent in an all-comers population with coronary artery disease undergoing percutaneous coronary intervention (PCI).

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Background: There is limited knowledge of the long-term effects on the immune system after treatment for diffuse large B-cell lymphoma (DLBCL).

Methods: This study included DLBCL patients from the Danish Lymphoma Registry who obtained complete remission (CR) after (R)-CHOP (cyclophosphamide, doxorubicin, vincristine, prednisolone)-like immunochemotherapy. Each R CHOP-like treated patient was matched to five comparators from the Danish background population and furthermore compared to R CHOP-like treated patients.

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: The proton-coupled amino acid transporter (PAT1) is an intestinal absorptive solute carrier responsible for the oral bioavailability of some GABA-mimetic drug substances such as vigabatrin and gaboxadol. In the present work, we investigate if non-steroidal anti-inflammatory drug substances (NSAIDs) interact with substrate transport via human (h)PAT1. : The transport of substrates via hPAT1 was investigated in Caco-2 cells using radiolabeled substrate uptake and in oocytes injected with , measuring induced currents using the two-electrode voltage clamp technique.

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Objective: To investigate motor axonal excitability in multifocal motor neuropathy (MMN) associated with involuntary muscle activity.

Methods: Two MMN patients with continuous involuntary finger movements (MMNifm) were compared to 11 patients without movements (MMNnfm). Clinical examination, EMG of the abductor pollicis brevis muscle, nerve conduction studies, motor unit number estimation, excitability studies, and mathematical modeling were conducted in the patients with MMN and compared to controls.

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Objectives: More knowledge about health related quality of life (HRQoL) among mothers with inflammatory joint disease (IJD) is needed to understand the complex challenges for this group of patients. The overall aim of this study was to investigate changes in HRQoL among mothers with IJD from year 2000 to year 2020.

Methods: This study had a comparative cross-sectional design with two study groups 20 years apart, year 2000 ( = 77) and year 2020 ( = 197).

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Background: Despite promising preclinical studies, the application of DNA methyltransferase inhibitors in treating patients with solid cancers has thus far produced only modest outcomes. The presence of intratumoral heterogeneity in response to DNA methyltransferase inhibitors could significantly influence clinical efficacy, yet our understanding of the single-cell response to these drugs in solid tumors remains very limited.

Methods: In this study, we used cancer/testis antigen genes as a model for methylation-dependent gene expression to examine the activity of DNA methyltransferase inhibitors and their potential synergistic effect with histone deacetylase inhibitors at the single-cancer cell level.

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Background: Mirtazapine is used to treat depression worldwide, and the effects of mirtazapine on depression rating scales are well-known. Our primary objective was to assess the risks of adverse events with mirtazapine for major depressive disorder.

Methods: We searched relevant sources from inception to 7 March 2024 for randomised clinical trials comparing mirtazapine versus placebo in adults with major depressive disorder.

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Objectives: Clozapine is continuously underused. The existing systematic reviews addressing barriers to clozapine prescribing primarily focus on clinical staff's attitudes and perceived barriers to prescribing. However, a preliminary literature search revealed additional literature on the subject not previously included in systematic reviews, including literature on patient perspectives.

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Unlabelled: Out-of-hospital cardiac arrest (OHCA) remains a critical health concern, where prompt access to automated external defibrillators (AEDs) significantly improves survival. This scoping review broadly investigates the feasibility and impact of dronedelivered AEDs for OHCA response.

Methods: PubMed, Cochrane, and Web of Science were searched from inception to August 6, 2024, with eligibility broadly including empirical data.

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Symmetry breaking spin state transitions in two of three isostructural salts of Mn spin crossover cations, [Mn(3-OMe-5-NO-sal323)], with heavy anions are reported. The ReO (1) salt undergoes two-step spin crossover which is coupled with a re-entrant symmetry breaking structural phase transition between a high temperature phase (S=2, C2/c), an intermediate ordered phase (S=1/S=2, P2/c), and a low temperature phase (S=1, C2/c). The AsF (2) complex undergoes an abrupt transition between a high temperature phase (S=2, C2/c) and a low temperature ordered phase (S=1/S=2, P ).

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We developed viral sensor and restriction factor-cytometry by time of flight (VISOR-CyTOF), which profiles 19 viral sensors and restriction factors (VISORs) simultaneously in single cells, and applied it to 41 postmortem tissues from people with HIV. Mucosal myeloid cells are well equipped with SAMHD1 and sensors of viral capsid and DNA while CD4 T cells are not. In lymph node CD4 Tfh, VISOR expression patterns reflect those favoring integration but blocking HIV gene expression, thus favoring viral latency.

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Background: Esophageal atresia is one of the most common life-threatening congenital malformations and is defined as an interruption in the continuity of the esophagus with or without fistula to the trachea or bronchi. Definitive treatment is surgical ligation of the fistula if present and esophageal end-to-end anastomosis of the two pouches, thereby reconstructing the continuity of the esophagus. During this procedure, the surgeon may choose to either ligate or preserve the azygos vein, a major draining vein for the esophagus and surrounding structures, but no definitive consensus on the matter exists.

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The development of new first-line treatments for patients with follicular lymphoma (FL) is becoming increasingly challenging due to already excellent survival outcomes. The present study investigated the outcomes of patients with FL who underwent contemporary first-line therapies but would not have been eligible for inclusion in recent trials and explored how commonly used in/exclusion criteria impacted their survival outcomes. This study included adult patients diagnosed with FL in the period 2000-2018 registered in the Danish Lymphoma Registry.

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Mental health is vital to human well-being, and prevention strategies to address mental illness have a significant impact on the burden of disease and quality of life. With the recent developments in body-worn sensors, it is now possible to continuously collect data that can be used to gain insights into mental health states. This has the potential to optimize psychiatric assessment, thereby improving patient experiences and quality of life.

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Background: Type 1 diabetes is a serious, chronic disorder with an increasing incidence among children and adolescents. Glycemic control in individuals with type 1 diabetes is better managed through a basal-bolus regimen with either regular human or rapid-acting insulin analogues administered as a bolus at mealtimes. Rapid-acting insulin analogues have been hypothesized to cause optimal glycemic control and less risk of hypoglycemic episodes compared to regular human insulins.

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Article Synopsis
  • The study investigates CP symmetry violation in the decay of D^{+} particles into K^{-}K^{+}π^{+} using data from proton-proton collisions at a high energy of 13 TeV.
  • A unique model-independent method was employed to analyze the phase-space distributions of D^{+} and D^{-} particles, correcting for any instrumental biases using D_{s}^{+} decays.
  • The findings indicate no significant evidence of CP violation, with a p value of 8.1%, and measure specific CP asymmetry observables, marking this study as the most sensitive search of its kind in multibody decays.
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Background: The long-term effect of adipose-derived mesenchymal stromal cells (ASCs) to restore radiation-induced salivary gland hypofunction in previous head and neck cancer patients have not been validated in larger settings.

Methods: The study was the 12-months follow-up of a randomised trial, including patients with hyposalivation. Patients were randomised to receive allogeneic ASCs or placebo in the submandibular glands.

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Background And Purpose: The similarities in biology, treatment regimens and outcome between the different human papillomavirus (HPV) associated squamous cell carcinomas (SCCs) allow for extrapolation of results generated from one SC tumor type to another. In HPV associated cancers, HPV is integrated into the tumor genome and can consequently be detected in the circulating fragments of the tumor DNA. Thus, measurement of HPV in the plasma is a surrogate for circulating tumor DNA (ctDNA) and holds promise as a clinically relevant biomarker in HPV associated cancers.

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Short tandem repeats (STRs) have emerged as important and hypermutable sites where genetic variation correlates with gene expression in plant and animal systems. Recently, it has been shown that a broad range of transcription factors (TFs) are affected by STRs near or in the DNA target binding site. Despite this, the distribution of STR motif repetitiveness in eukaryote genomes is still largely unknown.

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Mucosal secretory IgA (SIgA) produced by subepithelial plasma cells in the lamina propria is the major antigen-specific defense mechanism against mucosal infections. We investigated if a retinoic acid (RA)-containing adjuvant in parenteral immunization, can induce vaccine-specific SIgA in the jejunal lumen in a dose-dependent manner in neonatal pigs immunized with a Chlamydia hybrid antigen. To accurately quantify SIgA responses in mucosal secretions, an antigen-specific ELISA method with secondary detection of porcine secretory component rather than IgA was developed.

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Purpose: This review explores the role of pigment epithelium-derived factor (PEDF) in retinal degenerative and vascular disorders and assesses its potential both as an adjunct to established vascular endothelial growth factor inhibiting treatments for retinal vascular diseases and as a neuroprotective therapeutic agent.

Methods: A comprehensive literature review was conducted, focusing on the neuroprotective and anti-angiogenic properties of PEDF. The review evaluated its effects on retinal health, its dysregulation in ocular disorders, and its therapeutic application in preclinical models.

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Background: Surgical resection is the preferred treatment for localised non-small cell lung cancer (NSCLC). Rehabilitation is central in the management of the associated impaired quality of life, high symptom burden, deconditioning, and social-existential vulnerability. Yet, optimal content and delivery of rehabilitation are not yet defined.

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