Effect of Nutritional Supplement Alpha-ketoglutarate for Age-related Ocular Disease

Summary

The aims of the study are as follows: 1. Determine how the eye absorbs supplements taken orally. 2. Look for specific signs in the proteins and substances in the eyes of people with eye diseases who are also taking nutritional supplements.

Timeline

Start

2023-08-15

Primary completion

2025-06-10

Completion

2025-06-10

Publications

• Background Filip RS, Pierzynowski SG, Lindegard B, Wernerman J, Haratym-Maj A, Podgurniak M. Alpha-ketoglutarate decreases serum levels of C-terminal cross-linking telopeptide of type I collagen (CTX) in postmenopausal women with osteopenia: six-month study. Int J Vitam Nutr Res. 2007 Mar;77(2):89-97. doi: 10.1024/0300-9831.77.2.89.
• Background Riedel E, Nundel M, Hampl H. alpha-Ketoglutarate application in hemodialysis patients improves amino acid metabolism. Nephron. 1996;74(2):261-5. doi: 10.1159/000189319.
• Background Wert KJ, Velez G, Kanchustambham VL, Shankar V, Evans LP, Sengillo JD, Zare RN, Bassuk AG, Tsang SH, Mahajan VB. Metabolite therapy guided by liquid biopsy proteomics delays retinal neurodegeneration. EBioMedicine. 2020 Feb;52:102636. doi: 10.1016/j.ebiom.2020.102636. Epub 2020 Feb 3.
• Background Hou XW, Wang Y, Pan CW. Metabolomics in Age-Related Macular Degeneration: A Systematic Review. Invest Ophthalmol Vis Sci. 2020 Dec 1;61(14):13. doi: 10.1167/iovs.61.14.13.

Drugs

Indications