Effect of peptide preparation epithalamin on circadian rhythm of epiphyseal melatonin-producing function in elderly people.
Level 2 - randomized trial
Individual randomized trial evaluating epithalamin in elderly subjects.
PubMed 15452611 · doi:10.1023/b:bebm.0000035139.31138.bf
What was done
Plasma melatonin circadian rhythms were measured in healthy elderly participants before and after a course of treatment with Epithalamin, a peptide preparation derived from the pineal gland.
What was found
The abstract reports no numerical values, sample sizes, or p-values. The authors report that Epithalamin modulated melatonin production: during the dark period, plasma melatonin concentrations increased in participants with initially lowered pineal activity, while concentrations tended to decrease in participants with normal baseline pineal function.
Why it matters
This study suggests that pineal peptide extracts may exert a normalizing or bi-directional regulatory effect on age-related melatonin rhythm alterations.
Limits
The abstract provides no sample size, control group specifics, dosage, treatment duration, or quantitative data with statistical significance. The inability to assess baseline comparability, effect magnitude, or blinding severely limits independent evaluation.
Cited by
- supports Epithalamin administration upregulates melatonin synthesis enzymes and restores melatonin production in aged monkeys and humans.