Effects of Sea Buckthorn Oil on Dry Eye
Anahtar kelimeler
Öz
Açıklama
The objective is to study whether regular consumption of sea buckthorn berry oil can relieve the symptoms of dry eye syndrome. The study design is a parallel randomized double-blind placebo controlled trial. The participants daily consume sea buckthorn or placebo oil for 3 months. The dry eye symptoms will be monitored during the study using a validated questionnaire. In addition clinical dry eye tests are made by an ophthalmologist three time during the study. Samples will be taken for tear film lipid and cytokine analyses. Blood samples for the analyses of inflammatory markers are also obtained. The cytokine and other inflammation marker analyses are optional. The symptoms will be monitored and clinical tests made also 4 weeks after the participants have stopped consuming the study oils.
Tarih
Son Doğrulandı: | 02/28/2017 |
İlk Gönderilen: | 08/20/2008 |
Tahmini Kayıt Gönderildi: | 08/20/2008 |
İlk Gönderilen: | 08/21/2008 |
Son Güncelleme Gönderildi: | 03/18/2018 |
Son Güncelleme Gönderildi: | 03/19/2018 |
Fiili Çalışma Başlangıç Tarihi: | 08/31/2008 |
Tahmini Birincil Tamamlanma Tarihi: | 02/28/2009 |
Tahmini Çalışma Tamamlanma Tarihi: | 02/28/2009 |
Durum veya hastalık
Müdahale / tedavi
Dietary Supplement: SB
Dietary Supplement: PL
Evre
Kol Grupları
Kol | Müdahale / tedavi |
---|---|
Experimental: SB Sea buckthorn oil group | Dietary Supplement: SB Dosage 2 g/d, frequency twice/d, duration 3 months |
Placebo Comparator: PL Placebo group | Dietary Supplement: PL Placebo comparison, dosage 2 g/d, frequency twice/d, duration 3 months |
Uygunluk kriterleri
Çalışmaya Uygun Yaşlar | 20 Years İçin 20 Years |
Çalışmaya Uygun Cinsiyetler | All |
Sağlıklı Gönüllüleri Kabul Ediyor | Evet |
Kriterler | Inclusion Criteria: - Dry eye symptoms Exclusion Criteria: - Severe illness - Anticholinergic drugs - Smoking |
Sonuç
Birincil Sonuç Ölçütleri
1. Symptom severity: symptom questionnaires and clinical dry eye tests [3 months intervention + 1 month after the intervention]
İkincil Sonuç Ölçütleri
1. Tear film lipid profile, tear cytokines, inflammation mediators in blood [3 months intervention + 1 month after the intervention]