Published in 2017

Protocol for the development of a core domain set for hidradenitis suppurativa trial outcomes

Thorlacius, L., Ingram, J. R., Garg, A., Villumsen, B., Esmann, S., Kirby, J. S., Gottlieb, A. B., Merola, J. F., Dellavalle, R., Christensen, R. & Jemec, G. B. E., 20 feb. 2017, I: B M J Open. 7, 2, s. e014733

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

INTRODUCTION: Randomised controlled trials (RCTs) should have well-defined primary and secondary outcomes to answer questions generated by the main hypotheses. However, for the chronic, inflammatory skin disease hidradenitis suppurativa (HS), the reported outcome measures are numerous and diverse. A recent systematic review found a total of 30 outcome measure instruments in 12 RCTs. This use of a broad range of outcome measures can increase difficulties in interpretation and comparison of results and may potentially obstruct appropriate evidence synthesis by causing reporting bias. One strategy for dealing with these problems is to develop a core outcome set (COS). A COS is a list of outcomes that are meant as mandatory and should be measured and reported in all clinical trials. The aim of this study is to develop a COS for the management of HS.

METHOD AND ANALYSIS: An international steering group of researchers, clinicians and a patient research partner will guide the COS development. 6 stakeholder groups are involved: patients, dermatologists, surgeons, nurses, industry representatives and drug regulatory authorities. A 1:1 ratio of patients:healthcare professionals is aimed for. The initial list of candidate items will be obtained by combining three data sets: (1) a systematic review of the literature, (2) US and Danish qualitative interview studies involving patients with HS and (3) an online healthcare professional (HCP) item generation survey. To reach consensus on the COS, 4 anonymous online Delphi rounds are then planned together with 2 face-to-face consensus meetings (1 in Europe and 1 in the USA) to ensure global representation.

ETHICS AND DISSEMINATION: The study will be performed according to the Helsinki declaration. All results from the study, including inconclusive or negative results, will be published in peer-reviewed indexed journals. The study will involve different stakeholder groups to ensure that the developed COS will be suitable and well accepted.

Originalsprog Engelsk
Tidsskrift B M J Open
Vol/bind 7
Udgave nummer 2
Sider (fra-til) e014733
ISSN 2044-6055
DOI
Status Udgivet - 20 feb. 2017

BACKGROUND: Pain is inherent in rheumatoid arthritis (RA), psoriatic arthritis (PsA) and spondyloarthritis (SpA) and traditionally considered to be of nociceptive origin. Emerging data suggest a potential role of augmented central pain mechanisms in subsets of patients, thus, valid instruments that can identify underlying pain mechanisms are needed. The painDETECT questionnaire (PDQ) was originally designed to differentiate between pain phenotypes. The objectives were to evaluate the psychometric properties of the PDQ in patients with inflammatory arthritis by applying Rasch analysis and to explore the reliability of pain classification by test-retest.

METHODS: For the Rasch analysis 900 questionnaires from patients with RA, PsA and SpA (300 per diagnosis) were extracted from 'the DANBIO painDETECT study'. The analysis was directed at the seven items assessing somatosensory symptoms and included: 1) the performance of the six-category Likert scale; 2) whether a unidimensional construct was defined; 3) the reliability and precision of estimates. Another group of 30 patients diagnosed with RA, PsA or SpA participated in a test-retest study. Intraclass Correlation Coefficients (ICC) and classification consistency were calculated.

RESULTS: The Rasch analysis revealed: (1) Acceptable psychometric rating scale properties; the frequency distribution peaked in category 0 except for item 5, threshold calibration >10 observations per category, no disorder in the category measures for all items, scale category outfit Mnsq <2.0, small distances (<1.4 logits) between thresholds for category 1, 2 and 3 for all items. (2) The principal component analysis supported unidimensionality; the standardized residuals showed that 53.7% of total variance was explained by the measure and the magnitude of first contrast had an eigenvalue of 1.5, no misfitting items, clinical insignificant different item hierarchies across diagnoses (DIF < 0.5 logits). (3) A targeted item-person map, person and item separation indices of 1.88(reliability = 0.78), and 13.04 (reliability = 0.99). The test-retest revealed: ICC: RA 0.86(0.56-0.96), PsA 0.96(0.74-0.99), SpA 0.93(0.76-98), overall 0.94(0.84-0.98). Classification consistency was: RA 70%, PsA 80%, SpA 90%, overall 80%.

CONCLUSION: The results support that the PDQ can be used as a classification instrument and assist identification of underlying pain-mechanisms in patients suffering from inflammatory arthritis.

Originalsprog Engelsk
Tidsskrift Health and Quality of Life Outcomes
Vol/bind 15
Udgave nummer 1
Sider (fra-til) 110
ISSN 1477-7525
DOI
Status Udgivet - 22 maj 2017

Relapse and Mortality Risk of Stage I Testicular Cancer

Florvall, C., Frederiksen, P., Lauritsen, J., Bandak, M., Kier, M. G. G., Mortensen, M. S., Kreiberg, M. & Daugaard, G., 2017, I: The Insurance Record. 47, 2, s. 114-124 11 s.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

OBJECTIVES: - To assess the medical insurance risk for patients with stage I testicular cancer (TC), by calculating the overall mortality risk with and without relapse, and compare it to men from the Danish population.

BACKGROUND: - Testicular cancer is the most common malignancy in young males. Outcomes of a Danish cohort of 3366 patients with stage I TC (1366 non-seminomas (NSTC) and 2000 Seminomas (STC)), were analyzed.

METHOD: - The data were analyzed by the "illness-death" model. For the analysis of the transitions between diagnosis, relapse and death we adopted a parametric approach, where the relationship between the intensities and the effect of covariates were specified by Poisson regression models for NSTC and STC individually.

RESULTS: - In the NSTC group, 422 patients relapsed. Six relapses (1.4%) occurred after 5 years of follow-up. In the STC group, 389 relapsed. The relapse rate after 5 years was 4.1%. The overall mortality analyses showed that the standardized mortality ratio (SMR) for men with NSTC without relapse, was slightly lower than in the matched general population of Danish men (SMR = 0.9). In STC patients without relapse, SMR was 0.80. Relapse raised the overall mortality by a factor 2.0 for NSTC and 1.5 for STC.

CONCLUSIONS: - The fact that few relapses occur 5 years after diagnosis is an important finding for risk assessment in life insurance. It makes it possible to insure men diagnosed with stage I TC, who have not experienced relapse 5 years after diagnosis, on normal terms.

Originalsprog Engelsk
Tidsskrift The Insurance Record
Vol/bind 47
Udgave nummer 2
Sider (fra-til) 114-124
Antal sider 11
ISSN 0743-6661
DOI
Status Udgivet - 2017

Relationship between pickiness and subsequent development in body mass index and diet intake in obesity prone normal weight preschool children

Rohde, J. F., Händel, M. N., Stougaard, M., Olsen, N. J., Trærup, M., Mortensen, E. L. & Heitmann, B. L., 2017, I: P L o S One. 12, 3, s. e0172772

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

BACKGROUND: Most children have periods in their life where they reject familiar as well as non-familiar food items and this is often referred to as pickiness. The consequences of pickiness may be malnutrition and, if prolonged, potentially lower body weight. However, studies investigating the consequence of pickiness on subsequent changes in diet intake and weight are limited.

OBJECTIVES: To examine whether pickiness influences body mass index as well as diet intake over subsequent 15 months among obesity prone normal weight children aged 2-6 years.

METHODS: Data was obtained from the "Healthy Start" intervention study which included 271 children aged 2-6 years susceptible to overweight later in life. Information on pickiness was obtained from a parental questionnaire. Dietary habits were collected by 4-day dietary records filled in by the parents and height and weight were measured by trained health professionals and both measured twice over a 15 month period. Linear regression models were performed to assess the influence of pickiness on body mass index and diet with adjustments for possible confounders.

RESULTS: No differences in mean BMI Z-score were seen between picky/non-picky (P = 0.68) and little picky/non-picky (P = 0.68) children at 15 month follow-up. Picky children had a lower intake of protein (P = 0.01) than non-picky children despite no differences in total energy intake (P = 0.74), or in the other macronutrients, or the intake of fruit and vegetables, though children being a little picky had a lower intake of starch compared to non-picky children (P = 0.05). Results were essentially similar before and after adjustment for key covariates.

CONCLUSION: Our study showed that BMI Z-score after 15 months follow-up was similar for picky and non-picky children. Picky children seemed to develop a lower protein intake despite similar total energy intake and diet composition.

Originalsprog Engelsk
Tidsskrift P L o S One
Vol/bind 12
Udgave nummer 3
Sider (fra-til) e0172772
ISSN 1932-6203
DOI
Status Udgivet - 2017

OBJECTIVE: To explore effects of weight loss and maintenance on serum cartilage biomarkers denaturation neoepitope for Collagen2 (Coll2-1) and Fibulin3 fragment (Fib3-2), as well as correlations between Coll2-1 and Fib3-2 and symptomatic improvement, in a knee osteoarthritis (KOA) population.

DESIGN: 192 obese KOA patients followed a 16 week weight loss intervention and 52 weeks weight maintenance (ClinicalTrials.gov identifier: NCT00655941). Assessments were at 0, 8, 16 and 68 weeks. Serum Coll2-1 and Fib3-2 were determined with ELISA, and symptoms by the Knee Osteoarthritis Outcome Score (KOOS) questionnaire. Changes from week 0 and association between changes from baseline in body weight and Coll2-1, Fib3-2, and the 5 KOOS domains were assessed at all time points.

RESULTS: Coll2-1 changes from baseline showed a decrease at week 8 (P = 0.0002), no change at week 16 (P = 0.49), and an increase at week 68 (P = 0.036). Fib3-2 showed an increase from baseline at week 8 (P = 0.0015) and 16 (P < 0.0001), but none at week 68 (P = 0.23). No statistically significant correlations were found between changes in body weight and Coll2-1 and Fib3-2 at any time point (r < 0.05; P > 0.49). At all time-points there were significant positive correlations between changes from baseline in Coll2-1 and in KOOSSports/Recreation (week 8, 16, 68: r = 0.17; P = 0.03; r = 0.16; P = 0.04; and r = 0.17; P = 0.04, respectively).

CONCLUSION: The clinical improvement after a substantial weight loss and weight maintenance in KOA patients was not associated with decrease in markers of cartilage breakdown Coll2-1 or Fib3-2, even with indications of a slightly negative effect.

Originalsprog Engelsk
Tidsskrift Osteoarthritis and Cartilage
ISSN 1063-4584
DOI
Status Udgivet - 6 jul. 2017

Reliability of an Omeract Semiquantitative Scoring System and Imaging Atlas for the Assessment of Cartilage in Hand Osteoarthritis

Mathiessen, A., Hammer, H. B., Terslev, L., Bruyn, G. A. W., D'Agostino, M. A., Filippucci, E., Haugen, I. K., Kortekaas, M., Mandl, P., Moller, I., Naredo, E., Wittoek, R., Iagnocco, A. & Ellegaard, K., 2017, I: Arthritis & Rheumatology. 69, S10, 265.

Publikation: Bidrag til tidsskriftKonferenceabstrakt i tidsskriftForskningpeer review

Originalsprog Engelsk
Artikelnummer 265
Tidsskrift Arthritis & Rheumatology
Vol/bind 69
Udgave nummer S10
ISSN 1537-2960
Status Udgivet - 2017

INTRODUCTION: Computerized pneumatic cuff pressure algometry (CPA) using the DoloCuff is a new method for pain assessment. Intra- and inter-rater reliabilities have not yet been established. Our aim was to examine the inter- and intrarater reliabilities of DoloCuff measures in healthy subjects.

METHODS: Twenty healthy subjects (ages 20 to 29 years) were assessed three times at 24-hour intervals by two trained raters. Inter-rater reliability was established based on the first and second assessments, whereas intrarater reliability was based on the second and third assessments. Subjects were randomized 1:1 to first assessment at either rater 1 or rater 2. The variables of interest were pressure pain threshold (PT), pressure pain tolerance (PTol), and temporal summation index (TSI). Reliability was estimated by a two-way mixed intraclass correlation coefficient (ICC) absolute agreement analysis. Reliability was considered excellent if ICC > 0.75, fair to good if 0.4 < ICC < 0.75, and poor if ICC < 0.4. Bias and random errors between raters and assessments were evaluated using 95% confidence interval (CI) and Bland-Altman plots.

RESULTS: Inter-rater reliability for PT, PTol, and TSI was 0.88 (95% CI: 0.69 to 0.95), 0.86 (95% CI: 0.65 to 0.95), and 0.81 (95% CI: 0.42 to 0.94), respectively. The intrarater reliability for PT, PTol, and TSI was 0.81 (95% CI: 0.53 to 0.92), 0.89 (95% CI: 0.74 to 0.96), and 0.75 (95% CI: 0.28 to 0.91), respectively.

CONCLUSION: Inter-rater reliability was excellent for PT, PTol, and TSI. Similarly, the intrarater reliability for PT and PTol was excellent, while borderline excellent/good for TSI. Therefore, the DoloCuff can be used to obtain reliable measures of pressure pain parameters in healthy subjects.

Originalsprog Engelsk
Tidsskrift Pain practice : the official journal of World Institute of Pain
Vol/bind 17
Udgave nummer 6
Sider (fra-til) 708-717
Antal sider 10
ISSN 1530-7085
DOI
Status Udgivet - jul. 2017

Risk of invasive melanoma in patients with rheumatoid arthritis treated with biologics: results from a collaborative project of 11 European biologic registers

Mercer, L. K., Askling, J., Raaschou, P., Dixon, W. G., Dreyer, L., Hetland, M. L., Strangfeld, A., Zink, A., Mariette, X., Finckh, A., Canhao, H., Iannone, F., Zavada, J., Morel, J., Gottenberg, J-E., Hyrich, K. L. & Listing, J., feb. 2017, I: Annals of the Rheumatic Diseases. 76, 2, s. 386-391 6 s.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

OBJECTIVES: Some studies have reported a possible association between exposure to tumour necrosis factor (TNF) inhibitors and an increased risk of melanoma. The aim of this study was to investigate the incidence of invasive cutaneous melanomas in patients with rheumatoid arthritis (RA) treated with TNF inhibitors (TNFi), other biologic disease modifying drugs and non-biologic therapy.

METHODS: Eleven biologic registers from nine European countries participated in this collaborative project. According to predefined exposure definitions, cohorts of patients with RA were selected. Using the country-specific general population of each register as reference, age, sex and calendar year standardised incidence ratios (SIRs) of invasive histology-confirmed cutaneous melanoma were calculated within each register. Pooled SIR and incidence rate ratios (IRRs) comparing biologic cohorts to biologic-naïve were calculated across countries by taking the size of the register into account.

RESULTS: Overall 130 315 RA patients with a mean age of 58 years contributing 579 983 person-years were available for the analysis and 287 developed a first melanoma. Pooled SIRs for biologic-naïve, TNFi and rituximab-exposed patients were 1.1 (95% CI 0.9 to 1.4), 1.2 (0.99 to 1.6) and 1.3 (0.6 to 2.6), respectively. Incidence rates in tocilizumab and abatacept-exposed patients were also not significantly increased. IRR versus biologic-naïve patients were: TNFi 1.1 (95% CI 0.8 to 1.6); rituximab 1.2 (0.5 to 2.9).

CONCLUSIONS: This large European collaborative project did not confirm an overall increased risk of melanoma following exposure to TNFi.

Originalsprog Engelsk
Tidsskrift Annals of the Rheumatic Diseases
Vol/bind 76
Udgave nummer 2
Sider (fra-til) 386-391
Antal sider 6
ISSN 0003-4967
DOI
Status Udgivet - feb. 2017

Risk of revision, prosthetic joint infection and death following total hip or knee arthroplasty in patients with rheumatoid arthritis – a nationwide cohort study from denmark

Cordtz, R. L., Kristensen, L. E., Overgaard, S., Odgaard, A., Lindegaard, H. & Dreyer, L., 2017, I: Annals of the Rheumatic Diseases. 76, Suppl 2, s. 226 1 s., THU0072.

Publikation: Bidrag til tidsskriftKonferenceabstrakt i tidsskriftForskningpeer review

Originalsprog Engelsk
Artikelnummer THU0072
Tidsskrift Annals of the Rheumatic Diseases
Vol/bind 76
Udgave nummer Suppl 2
Sider (fra-til) 226
Antal sider 1
ISSN 0003-4967
Status Udgivet - 2017

Bibliografisk note

COPECARE

Risk of Second Malignant Neoplasm and Mortality in Rheumatoid Arthritis Patients Treated with Biological Dmards: A Danish Population-Based Cohort Study

Dreyer, L., Cordtz, R. L., Hansen, I. M. J., Kristensen, L. E., Hetland, M. L. & Mellemkjær, L., 2017, I: Arthritis & Rheumatology. 69, S10, 11L.

Publikation: Bidrag til tidsskriftKonferenceabstrakt i tidsskriftForskningpeer review

Originalsprog Engelsk
Artikelnummer 11L
Tidsskrift Arthritis & Rheumatology
Vol/bind 69
Udgave nummer S10
ISSN 1537-2960
Status Udgivet - 2017

Risk of serious adverse effects of biological and targeted drugs in patients with rheumatoid arthritis: a systematic review meta-analysis

Tarp, S., Eric Furst, D., Boers, M., Luta, G., Bliddal, H., Tarp, U., Heller Asmussen, K., Brock, B., Dossing, A., Schjødt Jørgensen, T., Thirstrup, S. & Christensen, R., 1 mar. 2017, I: Rheumatology (Oxford, England). 56, 3, s. 417-425 9 s.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Objectives.: To determine possible differences in serious adverse effects among the 10 currently approved biological and targeted synthetic DMARDs (b/ts-DMARDs) for RA.

Methods.: Systematic review in bibliographic databases, trial registries and websites of regulatory agencies identified randomized trials of approved b/ts-DMARDs for RA. Network meta-analyses using mixed-effects Poisson regression models were conducted to calculate rate ratios for serious adverse events (SAEs) and deaths between each of the 10 drugs and control (i.e. no b/ts-DMARD treatment), based on subjects experiencing an event in relation to person-years. Confidence in the estimates was assessed by applying the Grading of Recommendations Assessment, Development and Evaluation approach (GRADE).

Results.: A total of 117 trials (47 615 patients) were included. SAEs were more common with certolizumab compared with abatacept (rate ratio = 1.58, 95% CI: 1.18, 2.14), adalimumab (1.36, 95% CI: 1.02, 1.81), etanercept (1.60, 95% CI: 1.18, 2.17), golimumab (1.45, 95% CI: 1.00, 2.08), rituximab (1.63, 95% CI: 1.16, 2.30), tofacitinib (1.44, 95% CI: 1.03, 2.02) and control (1.45, 95% CI: 1.13, 1.87); and tocilizumab compared with abatacept (1.30, 95% CI: 1.03, 1.65), etanercept (1.31, 95% CI: 1.04, 1.67) and rituximab (1.34, 95% CI: 1.01, 1.78). No other comparisons were statistically significant. Accounting for study duration confirmed our findings for up to 6 months' treatment but not for longer-term treatment (6-24 months). No differences in mortality between b/ts-DMARDs and control were found. Based on the GRADE approach, confidence in the estimates was low due to lack of head-to-head comparison trials and imprecision in indirect estimates.

Conclusion.: Despite low confidence in the estimates, our analysis found potential differences in rates of SAEs. Our data suggest caution should be taken when deciding among available drugs.

Systematic review registration number.: PROSPERO CRD42014014842.

Originalsprog Engelsk
Tidsskrift Rheumatology (Oxford, England)
Vol/bind 56
Udgave nummer 3
Sider (fra-til) 417-425
Antal sider 9
ISSN 1462-0324
DOI
Status Udgivet - 1 mar. 2017

Rygestopbasens årsrapport 2017

Grønbæk, A. S., Rasmussen, M. & Tønnesen, H., 2017

Publikation: Bog/antologi/afhandling/rapportRapportForskning

Originalsprog Dansk
Status Udgivet - 2017

Sådan håndterer du bivirkninger ved din medicin

Hansen, D., sep. 2017, I: Nyrenyt. 2017, 3, s. 26-27

Publikation: Bidrag til tidsskriftTidsskriftartikelFormidling

Self-reported needs for improving the supervision competence of PhD supervisors from the medical sciences in Denmark

Raffing, R., Jensen, T. B. & Tønnesen, H., 2017, I: BMC Medical Education. 17, 188

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Originalsprog Engelsk
Tidsskrift BMC Medical Education
Vol/bind 17
Udgave nummer 188
ISSN 1472-6920
DOI
Status Udgivet - 2017

Slow down to strengthen sport and exercise medicine research

Bandholm, T., Henriksen, M. & Thorborg, K., okt. 2017, I: British Journal of Sports Medicine. 51, 20, s. 1453

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Originalsprog Engelsk
Tidsskrift British Journal of Sports Medicine
Vol/bind 51
Udgave nummer 20
Sider (fra-til) 1453
ISSN 0306-3674
DOI
Status Udgivet - okt. 2017

BACKGROUND: Despite smoking and risky alcohol drinking being modifiable risk factors for cancer as well as postoperative complications, perioperative cessation counselling is often ignored. Little is known about how cancer patients experience smoking and alcohol interventions in relation to surgery. Therefore the aim of this study was to explore how bladder cancer patients experience a perioperative smoking and alcohol cessation intervention in relation to radical cystectomy.

METHODS: A qualitative study was conducted in two urology out-patient clinics. We conducted semi-structured in-depth interviews with 11 purposively sampled persons who had received the smoking and alcohol cessation intervention. The analysis followed the steps contained in the thematic network analysis.

RESULTS: Two global themes emerged: "smoking and alcohol cessation was experienced as an integral part of bladder cancer surgery" and "returning to everyday life was a barrier for continued smoking cessation/alcohol reduction". Participants described that during hospitalization their focus shifted to the operation and they did not experience craving to smoke or drink alcohol. Concurrent with improved well-being or experiencing stressful situations, the risk of relapse increased when returning to everyday life.

CONCLUSIONS: The smoking and alcohol cessation intervention was well received by the participants. Cancer surgery served as a kind of refuge and was a useful cue for motivating patients to quit smoking and to reconsider the consequences of risky drinking. These results adds to the sparse evidence of what supports smoking and alcohol cessation in relation to bladder cancer patients undergoing major surgery and point to the need to educate healthcare professionals in offering smoking and alcohol cessation interventions in hospitals. The study also provides knowledge about the intervention in the STOP-OP study and will help guide the design of future smoking and alcohol cessation studies aimed at cancer patients undergoing surgery.

Originalsprog Engelsk
Tidsskrift B M C Cancer
Vol/bind 17
Udgave nummer 1
Sider (fra-til) e793
ISSN 1471-2407
DOI
Status Udgivet - 2017

Societal costs and patients' experience of health inequities before and after diagnosis of psoriatic arthritis: a Danish cohort study

Kristensen, L. E., Jørgensen, T. S., Christensen, R., Gudbergsen, H., Dreyer, L., Ballegaard, C., Jacobsson, L. T. H., Strand, V., Mease, P. J. & Kjellberg, J., 30 jan. 2017, I: Annals of the Rheumatic Diseases. 76, 9, s. 1495-1501

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

OBJECTIVES: To comprehensively study the comorbidities, healthcare and public transfer (allowance) costs in patients with psoriatic arthritis (PsA) before and after diagnosis.

METHODS: Nationwide cohort study, using data from Danish registries from January 1998 through December 2014. A total of 10 525 patients with PsA and 20 777 matched general population comparator (GPC) subjects were included. Societal costs, employment status and occurrence of comorbidities in patients with PsA both before and after diagnosis were compared with GPC subjects.

RESULTS: At baseline, patients with PsA had significantly more comorbidities, including cardiovascular disease (OR 1(.)70 95% CI 1(.)55 to 1(.)86), respiratory diseases (OR 1(.)73 95% CI 1(.)54 to 1(.)96) and infectious diseases (OR 2(.)03 95% CI 1(.)69 to 2(.)42) compared with GPC subjects. At all time points, patients with PsA had higher total healthcare and public transfer costs; they also had lower income (p<0.001) and incurred a net average increased societal cost of €10 641 per patient-year compared with GPC subjects following diagnosis. The relative risk (RR) for being on disability pension 5 years prior to PsA diagnosis was 1(.)36 (95% CI 1(.)24 to 1(.)49) compared with GPC subjects. The RR increased to 1(.)60 (95% CI 1(.)49 to 1(.)72) at the time of diagnosis and was 2(.)69 (95% CI 2(.)40 to 3(.)02) 10 years after diagnosis, where 21(.)8% of the patients with PsA received disability pension.

CONCLUSIONS: Our findings are suggestive of health inequity for patients with PsA and call for individual preventive measures and societal action.

Originalsprog Engelsk
Tidsskrift Annals of the Rheumatic Diseases
Vol/bind 76
Udgave nummer 9
Sider (fra-til) 1495-1501
ISSN 0003-4967
DOI
Status Udgivet - 30 jan. 2017

Some Cochrane risk of bias items are not important in osteoarthritis trials: A meta-epidemiological study based on Cochrane reviews

Bolvig, J., Juhl, C. B., Boutron, I., Tugwell, P., Ghogomu, E. A. T., Pardo, J. P., Rader, T., Wells, G. A., Mayhew, A., Maxwell, L., Lund, H., Bliddal, H., Christensen, R. & Editorial Board of the Cochrane Musculoskeletal Group, 5 dec. 2017, I: Journal of Clinical Epidemiology.

Publikation: Bidrag til tidsskriftReviewpeer review

OBJECTIVE: To evaluate the impact of bias-related study characteristics on treatment effects in osteoarthritis (OA) trials.

STUDY DESIGN: Based on OA trials included in Cochrane reviews the impact of study characteristics on treatment effect estimates were evaluated. Characteristics included items of the risk of bias tool (RoB), trial size, single vs multi-site, and source of funding. Effect sizes were calculated as standardized mean differences (SMDs). Meta-regression was performed to identify "relevant study-level covariates" that decreases the between-study variance (τˆ2).

RESULTS: Twenty reviews including 126 OA trials with a high degree of heterogeneity was included (τˆ2=0.1247). Among RoB domains only patient blinding had an impact on the results (reducing heterogeneity according to τˆ2 <7%). Inadequate blinding of patients yielded larger effects (SMDDifference = 0.15; 95% CI: 0.11 to 0.29, P=0.035). The most important study characteristic was trial size (heterogeneity reduced by 25%), with small trials reporting larger effects (SMDDifference = 0.29; 95% CI: 0.16 to 0.42, P<0.001).

CONCLUSION: In musculoskeletal reviews addressing pain, all the items included in the Cochrane risk of bias tool might not be equally important. OA trial results may be affected by bias constructs that are not yet fully elucidated.

Originalsprog Engelsk
Tidsskrift Journal of Clinical Epidemiology
ISSN 0895-4356
DOI
Status Udgivet - 5 dec. 2017

Spectrum of lymphomas across different drug treatment groups in rheumatoid arthritis: a European registries collaborative project

Mercer, L. K., Regierer, A. C., Mariette, X., Dixon, W. G., Baecklund, E., Hellgren, K., Dreyer, L., Hetland, M. L., Cordtz, R., Hyrich, K., Strangfeld, A., Zink, A., Canhao, H., Hernandez, M. V., Tubach, F., Gottenberg, J-E., Morel, J., Zavada, J., Iannone, F., Askling, J., & 1 flereListing, J., dec. 2017, I: Annals of the Rheumatic Diseases. 76, 12, s. 2025-2030 6 s.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

BACKGROUND: Lymphomas comprise a heterogeneous group of malignant diseases with highly variable prognosis. Rheumatoid arthritis (RA) is associated with a twofold increased risk of both Hodgkin's lymphoma (HL) and non-Hodgkin's lymphoma (NHL). It is unknown whether treatment with biologic disease-modifying antirheumatic drugs (bDMARDs) affect the risk of specific lymphoma subtypes.

METHODS: Patients never exposed to (bionaïve) or ever treated with bDMARDs from 12 European biologic registers were followed prospectively for the occurrence of first ever histologically confirmed lymphoma. Patients were considered exposed to a bDMARD after having received the first dose. Lymphomas were attributed to the most recently received bDMARD.

RESULTS: Among 124 997 patients (mean age 59 years; 73.7% female), 533 lymphomas were reported. Of these, 9.5% were HL, 83.8% B-cell NHL and 6.8% T-cell NHL. No cases of hepatosplenic T-cell lymphoma were observed. Diffuse large B-cell lymphoma (DLBCL) was the most frequent B-cell NHL subtype (55.8% of all B-cell NHLs). The subtype distributions were similar between bionaïve patients and those treated with tumour necrosis factor inhibitors (TNFi). For other bDMARDs, the numbers of cases were too small to draw any conclusions. Patients with RA developed more DLBCLs and less chronic lymphocytic leukaemia compared with the general population.

CONCLUSION: This large collaborative analysis of European registries has successfully collated subtype information on 533 lymphomas. While the subtype distribution differs between RA and the general population, there was no evidence of any modification of the distribution of lymphoma subtypes in patients with RA treated with TNFi compared with bionaïve patients.

Originalsprog Engelsk
Tidsskrift Annals of the Rheumatic Diseases
Vol/bind 76
Udgave nummer 12
Sider (fra-til) 2025-2030
Antal sider 6
ISSN 0003-4967
DOI
Status Udgivet - dec. 2017

BACKGROUND: To evaluate the effect of a smoking-, alcohol- or combined-cessation intervention starting shortly before surgery and lasting 6 weeks on overall complications after radical cystectomy. Secondary objectives are to examine the effect on types and grades of complications, smoking cessation and alcohol cessation, length of hospital stay, health-related quality of life and return to work or habitual level of activity up to 12 months postoperatively.

METHODS/DESIGN: The study is a multi-institutional randomised clinical trial involving 110 patients with a risky alcohol intake and daily smoking who are scheduled for radical cystectomy. Patients will be randomised to the 6-week Gold Standard Programme (GSP) or treatment as usual (control). The GSP combines patient education and pharmacologic strategies. Smoking and alcohol intake is biochemically validated (blood, urine and breath tests) at the weekly meetings and at follow-up.

DISCUSSION: Herein, we report the design of the STOP-OP study, objectives and accrual up-date. This study will provide new knowledge about how to prevent smoking and alcohol-related postoperative complications at the time of bladder cancer surgery. Till now 77 patients have been enrolled. Patient accrual is expected to be finalised before the end of 2017 and data will be published in 2018.

TRIAL REGISTRATION: ClinicalTrials.gov, ID: NCT02188446 . Registered on 28 May 2014.

Originalsprog Engelsk
Tidsskrift Trials
Vol/bind 18
Udgave nummer 1
Sider (fra-til) e329
ISSN 1745-6215
DOI
Status Udgivet - 17 jul. 2017

Pages