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A study to assess the impact of Vitamin B12 status on nervous system.

Vitamain B12 status and its impact on peripheral neural and autonomic nervous activity and cognition in humans

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2009/091/000493
Enrollment
26
Registered
2009-07-27
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

None listed

Interventions

Intervention1: Vitamin B12: 100 microgram per day for 3 months Control Intervention1: Nil: Nil

Sponsors

Sucharita S
Lead Sponsor
Dr Mario Vaz Professor Department of Physiology St John&#039
Collaborator
s Medical College Bangalore-34
Collaborator

Eligibility

Inclusion criteria

Inclusion criteria: Elderly males and females greater than 60 years of age with subclinical Vitamin B12 deficiency ( < 148 pmol/L) on whom cognitive tests, heart rate varaibility and nerve conduction performed as part of an observational study.

Exclusion criteria

Exclusion criteria: Any history of coronary heart disease, stroke, bronchial asthma, tuberculosis, diabetes mellitus

Design outcomes

Primary

MeasureTime frame
Heart rate variability indices, Nerve conduction velocity, Cognitive functionTimepoint: At the end of 3 months of supplementation—

Secondary

MeasureTime frame
Vitamin B12 status, RBC folate, HomocysteineTimepoint: At the end of 3 months of supplementation—

Countries

India

Contacts

Public ContactSucharita S

Associate Professor

sucharita@sjri.res.in080 22065060

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026