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Lifitegrast is a novel small molecule integrin antagonist that blocks the binding of intercellular adhesion molecule 1 (ICAM-1) to lymphocyte function-associated antigen 1 (LFA-1). Lifitegrast ophthalmic solution 5% (Xiidra™) was recently approved in the USA for the treatment of dry eye disease. The efficacy of lifitegrast ophthalmic solution 5% was compared with vehicle in a 12-week phase 2 study and three 12-week phase 3 studies (OPUS-1, OPUS-2 and OPUS-3) in patients with dry eye disease. Taken as a whole, results of these trials support the treatment effect of lifitegrast ophthalmic solution 5% in improving a symptom of dry eye disease (i.e. the change from baseline to day 84 in the eye dryness visual analogue scale score) and a sign of dry eye disease (i.e. the change from baseline to day 84 in the inferior corneal fluorescein staining score). Lifitegrast ophthalmic solution 5% was generally well tolerated. In conclusion, lifitegrast ophthalmic solution 5% provides a new option for the treatment of dry eye disease.

Various methods can correct presbyopia, but all require devices or surgeries. Recently, supplements or warming devices to relieve presbyopic symptoms have been developed, but no eye drops have been developed. We screened certain compounds possibly related to lens degeneration and identified pirenoxine, which has been used for cataracts, as a possible new pharmacologic treatment for presbyopia. We first researched the anti-presbyopic activity of pirenoxine in rats. The lens elasticity significantly ( p  = 0.028) increased with exposure to tobacco smoke for 12 days, and pirenoxine eye drops significantly ( p  < 0.001) suppressed lens hardening, which causes presbyopia in humans. In a parallel randomized controlled clinical study of the subjects in their fifth decade of life, the objective accommodative amplitude (AA) decreased significantly ( p  < 0.01) by 0.16 diopter (D) in the control group, and there was no detectable change in the treatment group after a 6-month treatment period, suggesting that pirenoxine eye drops might prevent progression of presbyopia. Subjects in their sixth decade of life, in whom the AA was already nearly 0 D, did not show similar results. Pirenoxine eye drops might be a new and the first pharmacologic treatment for preventing progression of presbyopia.

Aim The purpose of this study was to conduct and interpret a pooled 12-month analysis of two prospective, multi-center, randomized, double-masked, controlled trials designed to assess the efficacy and safety of the travoprost intracameral implant (slow-eluting [SE] implant in development as a new therapeutic and fast-eluting [FE] implant included for masking purposes) in subjects with open-angle glaucoma (OAG) or ocular hypertension (OHT). Methods Subjects with OAG or OHT, on 0–3 intraocular pressure (IOP)-lowering medications, baseline unmedicated mean diurnal IOP of ≥ 21 mmHg, and IOP ≤ 36 mmHg at each baseline diurnal timepoint, received either a travoprost implant and twice-daily (BID) placebo eye drops or BID timolol 0.5% eye drops and a sham procedure. Subjects were followed through 12 months and assessed for IOP, reduction in topical IOP-lowering medications, and safety parameters including treatment-emergent adverse events (TEAEs). IOP at 8AM was prospectively collected at all study visits through 12 months and diurnal IOP, measured at 8AM, 10AM, and 4PM, was prospectively collected at baseline, day 10, week 6, and months 3 and 12. Results A total of 1150 subjects were randomized (385 FE implant, 380 SE implant, and 385 sham/timolol) across the two trials. Statistical non-inferiority to timolol and clinically relevant reductions in 8AM IOPs were demonstrated at month 12. In more detail, both implant groups demonstrated statistical non-inferiority to timolol and clinically relevant reductions from baseline in mean diurnal IOP at all visits over the 12-month evaluation period when diurnal IOP was collected. Additionally, both implant groups demonstrated robust treatment effect based on 8AM average IOP from day 10 through the specified visit which ranged from day 10 to month 12 from 6.9 to 8.5 mmHg in the FE implant group; 6.8 to 8.5 mmHg in the SE implant group; and 7.3 to 7.5 mmHg in the sham/timolol group. With regards to reduction in topical pharmacotherapy, at month 12, 77.6% of FE and 81.4% of SE implant eyes were completely free of all topical IOP-lowering medications and a significantly greater proportion of FE and SE implant eyes (89.9% and 93.0%) versus sham/timolol eyes (66.9%) were on the same or fewer topical IOP-lowering medications compared with pre-study ( p <  0.0001). Furthermore, of subjects on topical IOP medications at screening, a significantly greater proportion of FE implant (80.2%) and SE implant (85.1%) eyes versus sham/timolol (22.8%) eyes were on fewer topical IOP-lowering medications at month 12 compared with pre-study ( p <  0.0001). Lastly, of SE implant eyes on same or fewer topical IOP-lowering medications at month 12, the average through month 12 decreased by 0.9 medications, and of those SE implant eyes on fewer topical IOP-lowering medications compared with pre-study, the average through month 12 decreased by 1.4 medications. The most common TEAEs related to study treatment were hyperemia (conjunctival or ocular), iritis, and IOP increased. Conclusion The travoprost intracameral implant demonstrated robust IOP-lowering efficacy that was sustained and statistically non-inferior to timolol over the entire 12 months, resulting in a significant reduction in topical IOP-lowering medication use, with the majority of SE implant eyes remaining completely free of all topical IOP-lowering medications. In addition, the implant demonstrated a favorable safety and tolerability profile based on this pooled 12-month analysis of two pivotal trials. Trial Registration ClinicalTrials.gov identifiers NCT03519386 (registered May 09, 2018) and NCT03868124 (registered March 08, 2019).

Symptoms and signs of dry eye can significantly increase after cataract surgery. The present study seeks to investigate the effect of intensive lubrication using Systane HYDRATION multi-dose preservative free (MDPF) eye drops (Alcon Research, Ltd., Fort Worth, Texas, USA) on signs and symptoms of dry eye in the postoperative phase. Patients scheduled for cataract surgery were enrolled in this randomised, investigator-masked study and assigned to one of three groups. The risk of developing dry eye was stratified using the ocular surface frailty index (OSFI). The high risk - standard of care (HR-SOC) and treatment (HR-Treatment) group were the high-risk groups (OSFI 0.3 or greater), and the LR-SOC group was the low-risk group (OSFI less than 0.3). HR-SOC and LR-SOC group received the standard postoperative treatment. In the HR-Treatment group, Systane HYDRATION MDPF was added four times a day for three months after surgery. After the baseline examination prior to cataract surgery, three follow up visits were scheduled one week, one month and three months after surgery. OSDI scores, ocular surface staining, and fluorescein break-up time were assessed at each visit. Ninety-five patients were included and 83 entered statistical analyses. OSDI increased in all groups after cataract surgery, and it was lowest in the HR-Treatment group three months after the surgery. In addition, fluorescein break-up time tended to be longer and ocular surface staining less in the HR treatment group at three months. However, there was no statistically significant difference between the groups during the three-month visit. In this randomized, examiner-masked trial no statistically significant difference could be found between the groups, but Systane HYDRATION MDPF may have a positive effect after cataract surgery in high-risk groups for dry eye syndrome. ClinicalTrials.gov NCT06555224.

Treatments for open-angle glaucoma aim to prevent vision loss through lowering of intraocular pressure, but to our knowledge no placebo-controlled trials have assessed visual function preservation, and the observation periods of previous (unmasked) trials have typically been at least 5 years. We assessed vision preservation in patients given latanoprost compared with those given placebo. In this randomised, triple-masked, placebo-controlled trial, we enrolled patients with newly diagnosed open-angle glaucoma at ten UK centres (tertiary referral centres, teaching hospitals, and district general hospitals). Eligible patients were randomly allocated (1:1) with a website-generated randomisation schedule, stratified by centre and with a permuted block design, to receive either latanoprost 0·005% (intervention group) or placebo (control group) eye drops. Drops were administered from identical bottles, once a day, to both eyes. The primary outcome was time to visual field deterioration within 24 months. Analyses were done in all individuals with follow-up data. The Data and Safety Monitoring Committee (DSMC) recommended stopping the trial on Jan 6, 2011 (last patient visit July, 2011), after an interim analysis, and suggested a change in primary outcome from the difference in proportions of patients with incident progression between groups to time to visual field deterioration within 24 months. This trial is registered, number ISRCTN96423140. We enrolled 516 individuals between Dec 1, 2006, and March 16, 2010. Baseline mean intraocular pressure was 19·6 mm Hg (SD 4·6) in 258 patients in the latanoprost group and 20·1 mm Hg (4·8) in 258 controls. At 24 months, mean reduction in intraocular pressure was 3·8 mm Hg (4·0) in 231 patients assessed in the latanoprost group and 0·9 mm Hg (3·8) in 230 patients assessed in the placebo group. Visual field preservation was significantly longer in the latanoprost group than in the placebo group: adjusted hazard ratio (HR) 0·44 (95% CI 0·28–0·69; p=0·0003). We noted 18 serious adverse events, none attributable to the study drug. This is the first randomised placebo-controlled trial to show preservation of the visual field with an intraocular-pressure-lowering drug in patients with open-angle glaucoma. The study design enabled significant differences in vision to be assessed in a relatively short observation period. Pfizer, UK National Institute for Health Research Biomedical Research Centre.

Background Preclinical trials have shown beneficial effects of nerve growth factor (NGF) administration on visual function in animal models of retinitis pigmentosa (RP). The aim of this pilot study was to explore the potential efficacy of short term NGF eye drops treatment in patients affected by RP. Methods The trial consisted in 10 days daily administration of murine NGF as eye-drops for a total dose of 1 mg NGF/pt. Eight RP patients at an advanced stage of the disease were included in the trial. To monitor safety and potential adverse effects subjects underwent standard clinical measures and were requested to report any general or topic alterations following NGF assumption. Retinal function was assessed at baseline and after treatment by best-corrected visual acuity measurement (BCVA), macular focal electroretinogram (fERG) recording and Goldmann visual field testing. Results A transient tolerable local corneal irritation was the only adverse effect reported. fERG and BCVA remained within the limits determined by test–retest analysis of a large cohort of RP patients. Three patients reported a subjective feeling of improved visual performance. This was associated to a temporary enlargement of the visual field in all three patients and to improved fERG in two of the three. Conclusions Short-term administration of NGF eye-drops caused neither significant adverse effects nor visual function losses in the tested RP patients. A minority of patients experienced an improvement of visual performance as shown by Goldmann visual field and fERG. This study supports the safety and possible efficacy of NGF eye-drops administration in RP patients. Trial registration: EudraCT n. 2008-004561-26

Background and Objectives Nerve growth factor (NGF) is a neurotrophin with therapeutic possibilities that extend from the nervous system to the eye. We tested the safety, maximal tolerated dose, pharmacokinetics, and antigenicity of a novel human recombinant NGF (rhNGF) eye-drop formulation in a phase I study. Methods This prospective, randomized, double-masked, vehicle-controlled trial, sponsored by Dompé SpA (registered as NCT01744704 at ClinicalTrials.gov), enrolled 74 healthy volunteers (24 females, 50 males, age 40.2 ± 11.8 years). Subjects were randomized in three cohorts to receive (1) a single eye-drop containing 0.0175, 0.175, or 0.7 μg rhNGF; (2) a single ascending dose of rhNGF eye drops three times a day for 1 day (total daily dose 2.1, 6.3, or 18.9 μg), or vehicle; or (3) a multiple ascending dose of rhNGF eye drops three times a day for 5 days (total dose 10.5, 31.5, or 94.5 μg), or vehicle. Outcome measures included blood chemistry, urinalyses, vital signs, electrocardiograms (ECGs), serum NGF antibodies, ocular and systemic adverse events (AEs), visual acuity, tear function, intraocular pressure, fundus oculi, and ocular symptoms. Results Administration of rhNGF eye drops did not result in a significant increase of circulating NGF levels and no antidrug antibodies were detected in serum. No serious AEs were recorded, and a few mild, transient ocular AEs related to rhNGF administration were reported only at the highest concentration. Conclusions rhNGF eye drops were well tolerated, with no detectable clinical evidence of systemic AEs. These results pave the way for the development of clinical trials on rhNGF in ophthalmology.

Dry eye disease (DED) is a common ocular surface disorder. Esculin and digitalis possess anti-inflammatory and anti-oxidant properties, which may benefit patients with DED. This study aimed to assess the therapeutic efficacy of esculin and digitalis glycosides (EAD) eye drops, either alone or in combination with 0.3% sodium hyaluronate (SH) eye drops, in treating DED. In this randomized controlled trial, 78 participants with DED (78 eyes) were included and divided into three groups: Group A received 0.3% SH, Group B received EAD, and Group C received 0.3% SH combined with EAD eye drops for 4 weeks. The efficacy of the treatments was assessed at 2 and 4 weeks using the Ocular Surface Disease Index (OSDI), tear break-up time (TBUT), Schirmer I test (SIt), and corneal fluorescein staining (CFS) as primary evaluation metrics. After 4 weeks of treatment, Group A showed a decrease in OSDI and an increase in SIT ( p  < 0.05). Group B showed a decrease in OSDI score ( P  < 0.05) and a significant improvement in SIt ( P  < 0.01). Group C demonstrated a significant increase in both TBUT and SIt values at the 2-week mark. Improvements were noted across all parameters, including OSDI score, TBUT, SIt, and CFS score after 4 weeks of treatment ( P  < 0.05). The total effective rate for participants in Group C was 88.46%, significantly higher than Group A’s rate of 65.38% ( P  < 0.05). In conclusion, the combination of EAD eye drops with 0.3% SH eye drops proved more effective than either treatment alone.

Aims To compare the efficacy and safety of 3% diquafosol ophthalmic solution with those of 0.1% sodium hyaluronate ophthalmic solution in dry eye patients, using mean changes in fluorescein and rose bengal staining scores as endpoints. Trial design and methods In this multicenter, randomised, double-masked, parallel study of 286 dry eye patients with fluorescein and rose bengal staining scores of ≥3 were randomised to the treatment groups in a 1 : 1 ratio. Efficacy and safety were evaluated after drop-wise instillation of the study drug, six times daily for 4 weeks. Results After 4 weeks, the intergroup difference in the mean change from baseline in fluorescein staining score was −0.03; this verified the non-inferiority of diquafosol. The mean change from baseline in rose bengal staining score was significantly lower in the diquafosol group (p=0.010), thus verifying its superiority. The incidence of adverse events was 26.4% and 18.9% in the diquafosol and sodium hyaluronate groups, respectively, with no significant difference. Conclusions Diquafosol (3%) and sodium hyaluronate (0.1%) exhibit similar efficacy in improving fluorescein staining scores of dry eye patients, whereas, diquafosol exhibits superior efficacy in improving rose bengal staining scores. Diquafosol has high clinical efficacy and is well tolerated with a good safety profile.

Given that nonadherence is related to subject characteristics and drug tolerance and preserved eye drops tend to be more intolerable than preservative-free ones, we conducted a phase 4, parallel-grouped, investigator-blind, active-control, randomized, multicenter study. A total of 51 patients with intraocular pressure (IOP) ≥ 15 mmHg diagnosed with open-angle glaucoma or ocular hypertension were randomly assigned to the preserved latanoprost group (n = 26) and the preservative-free latanoprost group (n = 25). The efficacy variables were corneal/conjunctival staining grade, Ocular Surface Disease Index (OSDI), adherence at 12 weeks after the first administration; corneal/conjunctival staining grade at 4 weeks; and IOP, tear break-up time (TBUT), and hyperemia score at 4 and 12 weeks. The safety variables included visual acuity and drug tolerance questionnaire results. There was no statistically significant difference in corneal/conjunctival staining grade, OSDI, or TBUT between the groups at 4 and 12 weeks. However, the adherence rate was higher and the hyperemia score was lower in the preservative-free group than in the preserved group. The severity and duration of stinging/burning sensation were lower in the preservative-free group than in the preserved group. Overall, preservative-free latanoprost showed better ocular tolerance assessed by hyperemia scores and stinging/burning symptoms following higher adherence than preserved latanoprost.