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Effect of Myocilin Genetic Variants on Intraocular Pressure and Pressure Variation in Sitting and Supine Positions
Bu çalışma, Miyosilin (Myocilin, MYOC) genindeki varyantların (genetik farklılıkların) açık açılı glokom hastalarında göz içi basıncı ve pozisyonla değişimi üzerindeki etkisini araştırıyor; Cosopt göz damlası kullanılmıştır. Erken açık açılı glokom tanılı 18 yaş üstü hastalar dahil edilmiştir. Faz 4 aşamasında yürütülmüş ve tamamlanmıştır.
Yukarıdaki özet, resmî kaydın sade dile aktarılmış halidir. Orijinal İngilizce başlık referans için gösterilir.
Kriterler ClinicalTrials.gov kaydından orijinal İngilizce haliyle alınmıştır. Uygunluk kararını yalnızca deneyi yürüten ekip verebilir.
Inclusion Criteria: * Early OAG, as determined by a comprehensive ophthalmic examination * Greater than or equal to 18 years of age * Either gender * Any race * Both eyes meet eligibility criteria * Cup to disc ratio less than 0.8 determined by fundoscopy and confirmed by disc photos * Visual field parameters in the study eye: Pattern Standard Deviation (PSD) greater than 1.0 dB but less than 6.0 dB * Ability to cooperate for an outpatient study involving at least five visits over a four month study period * Ability to comply with Cosopt treatment regimen Exclusion Criteria: * Less than or equal to 18 years old * Refusal to be genotyped or sign Informed Consent for Protocol 1991-144 * Pregnant or lactating women * Medical conditions of severe pulmonary compromise with asthma or emphysema or cardiac contraindications to beta-blockers * Ocular disease of chronic angle-closure glaucoma, iridocorneal endothelial disease, posterior polymorphous corneal dystrophy, epithelial downgrowth, uveitic glaucoma, or neovascular glaucoma * Ocular surgery for glaucoma, including trabeculectomy, other glaucoma filtration surgery, glaucoma drainage implant, or laser cyclophotocoagulation * Current use of systemic steroids or chemotherapeutic agents that non-selectively inhibit dividing cells * Proliferative diabetic retinopathy, history of panretinal photocoagulation treatment, diabetic macular edema, or history of macular grid laser treatment * History of changing treatment involving the use oral beta-blockers, angiotensin converting enzyme inhibitors, calcium channel blockers, or oral alpha 2-agonists in the prior two months or in the next month (i.e., must be on stable treatment with any of these drugs for at least two months) * Patients taking erectile dysfunction drugs (i.e., Viagra, Cialis, Levitra) * Contradictions: * bronchial asthma or a history of bronchial asthma * severe chronic obstructive pulmonary disease * sinus bradycardia * second or third degree atrioventricular block * overt cardiac failure * cardiogenic shock * hypersensitivity to any component of Cosopt