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A randomized controlled trial study on the effects of docosahexaenoic acid (DHA) on cognitive function and ferroptosis biomarkers in the elderly population

Research on the Mechanism of DHA Regulating Lipid Peroxidation to Inhibit Ferroptosis and Prevent Mild Cognitive Impairment

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600123171
Enrollment
Unknown
Registered
2026-04-22
Start date
2024-07-05
Completion date
Unknown
Last updated
2026-04-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Mild cognitive impairment

Interventions

DHA intervention group:DHA soft capsules 1g/day (1g/capsule, 1 capsule/day)
Placebo control group:1 DHA placebo capsule per day.

Sponsors

Tianjin Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. The participants themselves or confirmed by family members or doctors objectively believed that there was memory decline; 2. The course of memory decline lasted for at least three months; 3. The Mini-Mental State Examination (MMSE) score was >= 17 for the illiterate group, >= 20 for the primary school group, and >= 24 for the secondary school and above group; 4. According to the Activities of Daily Living Scale measurement, there was no or slight impairment in daily activities, and the ADL score was <= 18; 5. It did not meet the criteria for dementia, AD, mental illness, brain injury or any condition that may cause cognitive impairment and any active neuro-psychiatric disease. The diagnostic criteria for dementia were based on the DSM-IV standards of the American Psychiatric Association and the standards of the American Neurology, Language Disorders and Stroke - Geriatric Dementia and Related Diseases Society (NINCDS-ADRDA), combined with medical history and other data for dementia diagnosis. HIS was used to differentiate AD and vascular dementia. Suspected MCI and senile dementia patients were further diagnosed by neurologists.

Exclusion criteria

Exclusion criteria: 1. The neurological examination shows obvious signs of focal central nervous system disorders such as hemiplegia, hemiplegic sensory impairment, aphasia, etc. There is a history of cerebrovascular diseases (including hemorrhagic and ischemic types), as well as internal brain trauma or fractures. 2. Asthmatic bronchitis, severe hypertension, angina pectoris, and severe infections, etc. are among the internal medical conditions. 3. Psychiatric patients with obvious depression, anxiety, etc., and other histories of endocrine system diseases (such as hyperthyroidism, hypothyroidism, systemic lupus erythematosus, rheumatoid arthritis, etc.). 4. Newly discovered, advanced or terminal tumors. 5. Visual, auditory impairments or difficulties in language communication that significantly affect cognitive function tests. 6. History of alcohol dependence and other substance abuse disorders (such as antipsychotic drugs, benzodiazepines, etc.), or the use of drugs that affect cognitive function.

Design outcomes

Primary

MeasureTime frame
Full intelligence quotient;

Secondary

MeasureTime frame
Ferroptosis-Related Biomarkers;Serum Oxidative Stress Indicators;Basic Information of the Research Subjects;

Countries

China

Contacts

Public ContactFei Ma

Tianjin Medical University

mafei@tmu.edu.cn+86 138 2156 3872

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 1, 2026