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Plastic & Reconstructive Surgery:
doi: 10.1097/PRS.0b013e31819a34db
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Treatment of a Postburn Keloid Scar with Topical Captopril: Report of the First Case

Ardekani, Gholamreza Safaee M.D.; Aghaie, Shahin M.D.; Nemati, Mohammad Hassan M.D.; Handjani, Farhad M.D.; Kasraee, Behrooz M.D.

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Department of Dermatology; Jahrom University of Medical Sciences; Jahrom, and; Endocrinology and Metabolism Research Center; Shiraz University of Medical Sciences; Shiraz, Iran (Ardekani)

Department of Dermatology; Jahrom University of Medical Sciences; Jahrom, Iran (Aghaie)

Department of Cardiac Surgery (Nemati)

Department of Dermatology; Shiraz University of Medical Sciences; Shiraz, Iran (Handjani)

Department of Dermatology; Jahrom University of Medical Sciences; Jahrom, Iran, and; Department of Dermatology; Geneva University Hospital; Geneva, Switzerland (Kasraee)

Correspondence to Dr. Ardekani; Student Research Center; Jahrom University of Medical Sciences; Jahrom, Iran; safaee.gr@gmail.com

CORRECTION: Treatment of a Postburn Keloid Scar with Topical Captopril: Report of the First Case

The last name of the second author was misspelled when this article was published in the March 2009 issue of Plastic and Reconstructive Surgery. The author's name should have appeared as Shahin Aghaei, M.D. This erratum is published in the June 2009 issue.

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Sir:

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Hypertrophic scar and keloid are the two main disfiguring complications of wound healing. Distinct pathogenesis is poorly understood and few effective therapeutic options are currently available.1

It is currently known that the local renin-angiotensin system in the skin plays a role in the control of collagen biosynthesis and wound healing.2 We have previously shown that captopril effectively prevents hypertrophic scar formation in New Zealand White rabbits.3

This article represents the first human case successfully treated with topical captopril as a new antikeloid agent. An 18-year-old female patient with a history of a burning accident caused by boiling water approximately 5 months before her first visit to our clinic presented with a keloid lesion on the dorsal side of the left hand between her first and second fingers and the dorsum of the second finger (Fig. 1, above).

Fig. 1
Fig. 1
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Written informed consent was obtained and then the patient was provided with 5% captopril (Sigma Chemicals, Buchs, Switzerland) solution in cold cream. After 6 weeks of twice-daily application of the cream, a marked improvement of the keloid lesion was achieved as the height of the lesion decreased from 9 to 11 mm to 2 to 4 mm, the redness and scaling were noticeably eliminated, and she has not complained of itchiness (Fig. 1, below).

The patient's blood pressure was measured by using a sphygmomanometer (ALPK2, Japan) at the time of the first application; at 5, 15, 30, and 60 minutes after application; and at 2, 4, 12, and 24 hours after application. The patient was warned about all predictable side effects. The topical application of captopril was not associated with any cutaneous or systemic side effects and the product was well tolerated by the patient.

The distinct pathogenesis of keloid and hypertrophic scar formation is poorly understood; however, it is characterized histologically by increased fibroblast proliferation and collagen fiber deposition4 in diverse forms of normal tissue. As a result, suppression of overwhelming and uncontrolled fibroblast activity and degradation of already produced collagen fibers may be the crucial step in the method of keloid and hypertrophic scar treatment.

The inhibition of angiotensin-converting enzyme by captopril in the skin could theoretically result in the blockage of angiotensin II formation which, in turn, suppresses the expression of transforming growth factor-β15 and the release of interleukin-6. Eventually, these processes block fibroblast proliferation and collagen production and precipitate matrix metalloproteinase activity.

As our previous study has shown, topical application of 5% captopril could effectively reduce the height of scar formation and increase the organization of deposited collagen at the site of wounding in the ears of New Zealand White rabbits.3

In this study, as the first phase of a clinical trial, we have shown the efficacy of topical 5% captopril in a human patient. Consequently, a vehicle-controlled double-blind clinical trial is warranted to evaluate the clinical efficacy and presumed side effects of topical captopril as a novel, effective, safe, and easy-to-use treatment against hypertrophic scar and keloid formation.

Gholamreza Safaee Ardekani, M.D.

Department of Dermatology

Jahrom University of Medical Sciences

Jahrom, and

Endocrinology and Metabolism Research Center

Shiraz University of Medical Sciences

Shiraz, Iran

Shahin Aghaie, M.D.

Department of Dermatology

Jahrom University of Medical Sciences

Jahrom, Iran

Mohammad Hassan Nemati, M.D.

Department of Cardiac Surgery

Farhad Handjani, M.D.

Department of Dermatology

Shiraz University of Medical Sciences

Shiraz, Iran

Behrooz Kasraee, M.D.

Department of Dermatology

Jahrom University of Medical Sciences

Jahrom, Iran, and

Department of Dermatology

Geneva University Hospital

Geneva, Switzerland

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REFERENCES

1. Urioste SS, Arndt KA, Dover JS. Keloids and hypertrophic scars: Review and treatment strategies. Semin Cutan Med Surg. 1999;18:159–171.

2. Steckelings UM, Wollschlager T, Peters J, Henz BM, Hermes B, Artuc M. Human skin: Source of and target organ for angiotensin II. Exp Dermatol. 2004;13:148–154.

3. Ardakani GS, Ebrahimi S, Amini M, et al. Topical captopril as a novel agent against hypertrophic scar formation in New Zealand white rabbit skin. Presented at the 16th Annual Meeting of the European Tissue Repair Society, Pisa, Italy, September 13–16, 2006.

4. Tredget EE, Nedelec B, Scott PG, Ghahary A. Hypertrophic scars, keloids, and contractures: The cellular and molecular basis for therapy. Surg Clin North Am. 1997;77:701–730.

5. Phillips MI, Kimura B, Gyurko R. Angiotensin receptor stimulation of transforming growth factor-a in rat skin and wound healing. In: Saavedra JM, Timmermans PBMWM, eds. Angiotensin Receptors. New York: Plenum Press; 1994:377–396.

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This article has been cited 3 time(s).

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Wounds-A Compendium of Clinical Research and Practice
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Plastic and Reconstructive Surgery
Correction: Treatment of a Postburn Keloid Scar with Topical Captopril: Report of the First Case

Plastic and Reconstructive Surgery, 123(6): 1898.
10.1097/PRS.0b013e3181abc4b4
PDF (4227) | CrossRef
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