A registered study indexed because it matched monitored longevity research terms. Registry status: Unknown. Registration does not establish safety or effectiveness.
What the source actually supports
- Evidence stage
- Phase not reported
- Study design
- RANDOMIZED · PARALLEL · PREVENTION · DOUBLE
- Evidence population
- Human clinical study registration
- Participants
- 34
- Population
- ALL · 60 Years to 85 Years
- Duration
- 2022-01-28 to 2024-10-01
- Intervention
- Freeze-dried table grape powder; Placebo of the table grape powder
- Comparator
- Placebo grape powder
- Outcomes measured
- Change in macular pigment optical density — Every four weeks (week 0, week 4, week 8, week 12, week 16); Change in skin carotenoid status — Every four weeks (week 0, week 4, week 8, week 12, week 16); Change in blood carotenoid concentration — Every eight weeks (week 0, week 8, week 16); Change in flow mediate dilation — week 0 and week 16; Change in endothelial function — week 0 and week 16; Change in the concentration if Endothelin-1 in plasma — week 0 and week 16; Change in the concentration if Nitric Oxide in plasma — week 0 and week 16; Change in body weight — Every four weeks (week 0, week 4, week 8, week 12, week 16); Change in BMI — Every four weeks (week 0, week 4, week 8, week 12, week 16); Change in blood pressure — Every four weeks (week 0, week 4, week 8, week 12, week 16); change in waist circumference — Every four weeks (week 0, week 4, week 8, week 12, week 16); Change in the concentration of malondialdehyde in plasma — Every eight weeks (week 0, week 8, week 16); Change in the concentration of 8-iso-prostaglandin F2α in plasma — Every eight weeks (week 0, week 8, week 16); Change in blood glucose concentration — Every eight weeks (week 0, week 8, week 16); Change in total cholesterol — Every eight weeks (week 0, week 8, week 16); Change in high-density lipoprotein cholesterol — Every eight weeks (week 0, week 8, week 16); Change in low-density lipoprotein cholesterol — Every eight weeks (week 0, week 8, week 16); Change in total triglyceride — Every eight weeks (week 0, week 8, week 16)
- Reported result
- No reusable finding-level result is available in this record.
Main limitationThis is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.
Safety and approvalEligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians. Trial registration is not regulatory approval and does not establish that an intervention is available.
Source supportStructured registry protocol metadata; no finding-level conclusion is generated.
Registration and recruitment status do not establish safety, efficacy, or regulatory approval.
Why this record appears here · 100% topic match
The title, summary, or source keywords matched one or more topics followed by immortal.life. A higher percentage means a stronger topic match; it does not rate safety, effectiveness, or study quality.
- Vision ageing · 100%Abstract contains controlled term: age-related macular degeneration. Source terminology contains: age-related macular degeneration. Title supplies longevity context: older adult. Study type is explicitly identified as INTERVENTIONAL.
Automated source check 100% · update recency 65%. These figures help sort records; they are not medical ratings.