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Tests krill oil supplements in people with dry age-related macular degeneration

Tests krill oil capsules against a placebo in adults with dry macular degeneration.

Plain-language title generated from the registry record
Registry title: Effect of Omega-3 Fatty Acid Supplementation on Dry-AMD Progression

Key facts

Where
Shanghai, ChinaSee the site

Could this be for you?

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 50 and 85 years old?

Source: NCT05465252, who can take part

Where in China

  • Shanghai General Hospital, Shanghai Jiao Tong UniversityShanghai, ChinaTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
Trial code
NCT05465252
Record updated
2 January 2026
Original description
This randomized, double-blind, placebo-controlled study aims to evaluate the effect of krill oil supplementation in patients with dry age-related macular degeneration (AMD). Participants will receive 4 capsules of krill oil or placebo daily for a period of 3 months. Outcomes will be evaluated after 3-month treatment to assess differences between the two study groups.Read full original descriptionShow less

Effect of Krill Oil Supplementation on Dry Age-Related Macular Degeneration: A Randomized Controlled Trial

This randomized, double-blind, placebo-controlled study aims to evaluate the effect of krill oil supplementation in patients with dry age-related macular degeneration (AMD). Participants will receive 4 capsules of krill oil or placebo daily for a period of 3 months. Outcomes will be evaluated after 3-month treatment to assess differences between the two study groups.

Inclusion: Adults diagnosed with dry AMD at an early or intermediate stage, classified according to the Beckman Classification and confirmed by fundus photography: (1) Early AMD: medium drusen (>63 μm and ≤125 μm) without AMD-related pigmentary abnormalities; (2) Intermediate AMD: large drusen (>125 μm), with or without AMD-related pigmentary abnormalities; Willing to stop supplementation of omega-3 fatty acids, choline, or astaxanthin; Willing to sign the informed consent, and willing to attend follow-up visits for at least 3 months.

Exclusion: Long-term use of any medications that are associated with retinal or neural toxicities; History of supplementation with lutein, zeaxanthin, DHA, or EPA, unless a wash-out period of at least 8 weeks is completed prior to enrollment; Received cataract surgery in 3 months; Any eye with disease that would interfere with the fundus examinations; Other conditions: subjects with severe systemic diseases; any condition that causes high risk of drop-out, or low compliance, for instance cognition disorder; have been involved in other trial that interfere with the current visit plan; taking other angiogenesis Inhibitors drugs for treating cancer; Other conditions not suitable for the current study; Eye with choroidal neovascularization (CNV), geographic atrophy (GA), or high myopia; Surgeries that may interfere with AMD evaluation; Intraocular pressure more than 26 mmHg.

ClinicalTrials.gov NCT05465252