Observational study on the prevalence of thiamine deficiency in hospitalized patients with delirium

Observational study on the prevalence of thiamine deficiency in hospitalized patients with delirium - Thiamine & delirium

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON57564

Enrollment

100

Registered

2024-12-20

Start date

2026-01-31

Completion date

Unknown

Last updated

2026-03-16

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

Conditions

thiamine deficiency low vitamin B1 level

Interventions

Er wordt geen interventie of onderzoeksproduct getest. D.m.v. een bloedafname wordt het gehalte aan vitamine B1 in het bloed bepaald.

Eligibility

Age

65 Years to 99 Years

Inclusion criteria

Inclusion criteria: Age >=70 Diagnosed with delirium according to Diagnostic and Statistical Manual fifth edition (DSM-5-TR) criteria

Exclusion criteria

Exclusion criteria: Patients already receiving thiamine suppletion or parenteral nutrition or oral  nutritional supplements or tube feeding

Design outcomes

Primary

Measure	Time frame
Thiamine (vitamin B1) blood level, deficiency defined as thiamine blood concentration below 100 nmol/L	—

Secondary

Measure	Time frame
Severity of delirium assessed, by Delirium-O-Meter (DOM-score) Nutritional status, by Malnutrition Universal Screening Tool (MUST) other parameters: Sociodemographic measures: sex; age; marital state; lodging and care: living at home/elderly home/nursing home/other; Main diagnosis and comorbidity; Recent (< 2 weeks) or current alcohol/drugs use;	—

Countries

Netherlands

Contacts

Public ContactM. Theunissen

Maastricht Universitair Medisch Centrum +

maurice.theunissen@mumc.nl0683809742

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP) · Data processed: Mar 20, 2026