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Intracellular adhesion molecule-1 (ICAM-1), a cellular adhesion molecule that mediates the interaction of activated endothelial cells with leukocytes, is involved in various inflammatory and cardiovascular disorders. The relation between these markers and genetic polymorphism, however, remains to be elucidated. The aim of this study is to estimate the effect of a single-base polymorphism at codon 241 in exon 4 of ICAM-1 gene on serum sICAM-1 concentration in a healthy population, taking into account other biological determinants of sICAM-1 level. Serum sICAM-1 levels and the G/R241 polymorphism of the ICAM-1 gene were measured in a large healthy population consisting of 413 children aged 6-21 years and 363 adults aged 38-55 years extracted from the Stanislas cohort. The R241 allele was significantly associated with lower sICAM-1 levels and explained 3.4 and 1.9% of the sICAM-1 variability in children and adults, respectively. A codominant pattern contributed better to the model after adjustment for covariates as the RR homozygote effect was higher than that of the GR heterozygote. Moreover, significant independent associations were found between sICAM-1 and smoking, insulin resistance index (HOMA IR), interleukin-6 level, and alkaline phosphatase and aspartate aminotransferase activities. In conclusion, this study revealed a significant association between the G/R241 ICAM-1 polymorphism and serum sICAM-1 levels, probably due to the impairment in binding of ICAM-1 to leukocyte integrin Mac-1 protein.

PurposeTo evaluate the long-term effectiveness and safety of ranibizumab 0.5 mg in patients with choroidal neovascularization (CNV) secondary to pseudoxanthoma elasticum (PXE) in a real-world setting.MethodsA descriptive, observational, multicenter study in a retrospective and prospective cohort was conducted in France that included patients who had received at least one injection of ranibizumab 0.5 mg during the period October 2011 to October 2014, for CNV secondary to PXE. Eligible patients were identified by review of medical records or during routine consultations. The main objectives were to describe patient characteristics, assess changes in best-corrected visual acuity [VA, Early Treatment Diabetic Retinopathy Study (ETDRS) letters] over time, the number and reasons for ranibizumab treatment and overall safety.ResultsOf the 72 enrolled patients (98 eyes) from 23 centers, 39 (54.2%) were male and mean [±standard deviation (SD)] age was 59.6 (±8.3) years. The mean VA was 64.6 letters at the first ranibizumab injection, which was maintained at the 1-year follow-up (64.7 letters). Thereafter, the mean VA was stable until the 4-year follow-up. At 4 years, the proportion of eyes with VA gain of ≥15 letters was 3/19 (15.8%) and stable VA (change between −15 and +15 letters) was 10/19 (52.6%). Mean (±SD) annual number of ranibizumab injections was 4.1 (±4.0), lower in the second versus first year. The most common reason for ranibizumab treatment was progression of neovascular activity (42.9%). No deaths or new safety findings were reported.ConclusionsIn patients with CNV secondary to PXE, ranibizumab 0.5 mg resulted in stable VA over 4 years with a limited number of injections. Safety findings were consistent with the established safety profile of ranibizumab.

<b><i>Purpose:</i></b> To report the real-world effectiveness and safety of ranibizumab 0.5 mg in patients with visual impairment due to diabetic macular edema (DME). <b><i>Methods:</i></b> This is a French, 36-month, multicenter, observational cohort study. Between December 2013 and April 2015, ophthalmologists enrolled diabetic patients aged ≥18 years with DME-related visual impairment and for whom ranibizumab 0.5 mg was initiated. Here, we present the 12-month results from this cohort. The primary endpoint was the mean change in best-corrected visual acuity (BCVA); sample size calculations were based on RESTORE trial data (BCVA mean change = 6.8 letters, precision = 0.7 letters). Secondary endpoints included the change in central subfield thickness (CSFT), number of visits, number of injections received, and frequency of ocular and nonocular adverse events and serious adverse events. <b><i>Results:</i></b> Between December 2013 and April 2015, a total of 290 patients with DME were enrolled by 84 ophthalmologists; 12-month data are available for 242 patients (due to low recruitment rates, precision was recalculated for 242 evaluable patients: the precision was then of 1.0 letters). Mean age (± standard deviation) was 66.1 ± 11.0 years and 56.6% were male. The mean baseline BCVA and CSFT were 59.2 letters (95% confidence interval [CI] 57.3, 61.0) and 457 μm (95% CI: 438, 476), respectively. At month 12, the mean gain in BCVA from baseline was 7.4 letters (95% CI: 5.4, 9.4), with 36.8% of patients with BCVA &#x3e;70 letters versus 13.2% at baseline. Mean change in CSFT was −125 μm (95% CI: −146, −103). The mean number of ranibizumab injections was 5.1 ± 2.3 over an average of 10.4 ± 3.0 visits. No new safety findings were identified. <b><i>Conclusions:</i></b> The BOREAL study confirms the effectiveness and safety of ranibizumab for the treatment of DME-related visual impairment in routine clinical practice with fewer injections than reported in clinical trials.

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