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Protocol Details

Genetic Analysis of Familial Keloids

This study is currently recruiting participants.

Summary | Eligibility | Citations | Contacts

Summary

Number

01-DK-0062

Sponsoring Institute

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Recruitment Detail

Type: Participants currently recruited/enrolled
Gender: Male & Female
Min Age: N/A
Max Age: N/A

Referral Letter Required

No

Population Exclusion(s)

None

Special Instructions

Currently Not Provided

Keywords

Candidate Gene;
Genome Scan;
TGF-Beta;
CBP Gene

Recruitment Keyword(s)

Keloids;
Familial Disposition

Condition(s)

Keloid

Investigational Drug(s)

None

Investigational Device(s)

None

Intervention(s)

None

Supporting Site

National Institute of Diabetes and Digestive and Kidney Diseases

The purpose of this study is to identify the gene or genes responsible for keloid formation. Keloids are raised scars on the skin that form after a minor injury. A tendency to develop keloids often runs in families, suggesting a possible genetic basis.

People who have had a classic (butterfly-shaped or wound-overflowing) keloid for at least one year may be eligible for this study. In addition to these probands (original participants), family members over 12 years of age who have either classic or non-classic keloids and those 18 years of age or older without keloids may participate.

Probands and family members with keloids will have a medical history focusing on skin problems particularly keloids and a skin examination. In some cases, with the subject s permission, photos of the keloids will be taken. All participants will have 35 milliliters (about 2 tablespoons) of blood drawn for DNA (genetic) testing and for measurement of blood proteins, including cytokines, which can affect other tissues and cause scarring. Part of the blood sample will be used for additional genetic studies unrelated to keloids. The samples will be coded for confidentiality.

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Eligibility

INCLUSION CRITERIA:

Proband: must have a butterfly-shaped or wound-overflowing keloid, present for at least one year (this description represents classic keloid, and avoids hypertropic scar).

Affected family members: all family members of the proband who have either classic keloids, as described above, or non-classic keloids, such as ball shaped-keloids on the ear.

Unaffected family members: all family members who lack keloids.

EXCLUSION CRITERIA:

Patients who are unwilling or unable to give informed consent or assent.

Keloid patients who have less than 3 relatives with keloids.


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Citations:

Keloids

Genetic studies on keloid

Histologic basis of keloid and hypertrophic scar differentiation Clinicopathologic correlation

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Contacts:

Principal Investigator

Referral Contact

For more information:

Jeffrey B. Kopp, M.D.
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
BG 10 RM 3N116
10 CENTER DR
BETHESDA MD 20814
(301) 594-3403
jeffreyk@mail.nih.gov

Lilian V. Howard, C.R.N.P.
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
BG 10-CRC RM 3-1604
10 CENTER DR
BETHESDA MD 20814
(301) 594-0298
lh357n@nih.gov

Patient Recruitment and Public Liaison Office
Building 61
10 Cloister Court
Bethesda, Maryland 20892-4754
Toll Free: 1-800-411-1222
TTY: 301-594-9774 (local),1-866-411-1010 (toll free)
Fax: 301-480-9793

prpl@mail.cc.nih.gov

Clinical Trials Number:

NCT00008502

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