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Induction of Suction Blisters in Patients With Urticaria, Blistering Diseases, Inflammatory Dermatoses and Neoplastic Disorders, and in Normal Volunteers

Induction of Suction Blisters in Patients With Urticaria, Blistering Diseases, Inflammatory Dermatoses and Neoplastic Disorders, and in Normal Volunteers

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT00001150
Enrollment
2000
Registered
1999-11-04
Start date
1976-10-31
Completion date
2004-03-31
Last updated
2008-03-04

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

Conditions

Dermatitis, Healthy, Neoplasm, Urticaria, Vesiculobullous Skin Disease

Keywords

Blister Formation, Inflammatory Mediator Assay, Ultraviolet Radiation

Brief summary

The use of a suction blister apparatus has facilitated study of the immunologic capacity of human epidermal cells. We have been able to prepare purified populations of these cells after blister formation. Specifically, using the blister tops, we are able to enrich for epidermal Langerhans cells which are very potent stimulators in antigen presenting assays. Thus, this normal volunteer study provides an important source of fresh epidermal tissue from which we can study normal epidermal Langerhans cell function. In addition, we have recently used blister roofs in important experimental models of HIV-1 transmission. There is no other method available for assessing the biologic function of freshly isolated Langerhans cells without altering their milieu. It is a very safe and effective way to obtain human epidermal samples.

Detailed description

The use of a suction blister apparatus has facilitated study of the immunologic capacity of human epidermal cells. We have been able to prepare purified populations of these cells after blister formation. Specifically, using the blister tops, we are able to enrich for epidermal Langerhans cells which are very potent stimulators in antigen presenting assays. Thus, this normal volunteer study provides an important source of fresh epidermal tissue from which we can study normal epidermal Langerhans cell function. In addition, we have recently used blister roofs in important experimental models of HIV-1 transmission. There is no other method available for assessing the biologic function of freshly isolated Langerhans cells without altering their milieu. It is a very safe and effective way to obtain human epidermal samples.

Interventions

None listed

Sponsors

National Cancer Institute (NCI)
Lead SponsorNIH

Eligibility

Sex/Gender
ALL
Healthy volunteers
Yes

Inclusion criteria

Patients with urticaria of all types, blistering diseases, inflammatory dermatoses and neoplastic skin diseases. Patients 18 years of age or older. No pregnant women.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026