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What is the best sample in detecting chronic lead poisoning: blood, hair or nail?

What is the best sample in detecting chronic lead poisoning: blood, hair or nail?

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20180625003
Enrollment
360
Registered
2018-06-25
Start date
2018-06-29
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

chronic lead poisoning patient serum lead level above 40 mcg/dL chronic lead toxicity hair nail blood lead level lead

Interventions

lead poisoning patients with serum lead level above 40 mcg/dL,normal healthy controls with serum lead level below 40 mcg/dL
Health Services Research,Health Services Research
lead poisoning patients,normal healthy controls

Sponsors

Dermatology division, Department of internal medicine, King Chulalongkorn Memorial Hospital
Lead Sponsor
Dermatology division&#44
Collaborator
Department of internal medicine&#44
Collaborator
King Chulalongkorn Memorial Hospital
Collaborator

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: -lead poisoning patients with serum lead level above 40 mcg/dL -must be at least 18 years old -willing to participate in this survey

Exclusion criteria

Exclusion criteria: unwilling patients

Design outcomes

Primary

MeasureTime frame
lead level in hair in patients comparing to normal healthy controls once Inductively coupled plasma atomic emission spectroscopy—

Secondary

MeasureTime frame
lead level in nail in patients comparing to normal healthy controls once Inductively coupled plasma atomic emission spectroscopy—

Countries

Thailand

Contacts

Public ContactRatchathorn Panchaprateep

Faculty of Medicine, Chulalongkorn University

rpanchaprateep@gmail.com0898923819

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026