Elsevier

The Journal of Hand Surgery

Volume 27, Issue 5, September 2002, Pages 788-798
The Journal of Hand Surgery

Original Communications
Collagen as a clinical target: Nonoperative treatment of Dupuytren's disease*,**,*,**,*

https://doi.org/10.1053/jhsu.2002.35299Get rights and content

Abstract

The cellular events leading to abnormal synthesis of collagen are important to our understanding of pathologic processes leading to impaired joint function. The contracture of Dupuytren's disease is a notable example. In a series of controlled phase-2 clinical trials, excessive collagen deposition in Dupuytren's disease has been targeted by a unique nonoperative method using enzyme (Clostridial collagenase) injection therapy to lyse and rupture finger cords causing metacarpophalangeal and/or proximal interphalangeal joint contractures. Forty-nine patients were treated in a random, placebo-controlled trial of one dose of collagenase versus placebo at one center. Subsequently 80 patients were treated in a random, placebo-controlled, dose-response study of collagenase at 2 test centers. The results of these studies indicate that nonoperative collagenase injection therapy for Dupuytren's disease is both a safe and effective method of treating this disorder in the majority of patients as an alternative to surgical fasciectomy. Phase-3 efficacy trials are now being planned to further develop and test this method under Food and Drug Administration regulatory guidelines. The findings of our study may lead to simpler and less invasive nonoperative treatments of joint limitation in which collagen plays a major pathologic role. (J Hand Surg 2002;27A:788–798. Copyright © 2002 by the American Society for Surgery of the Hand.)

Section snippets

Materials and methods

Two clinical trials were conducted under a Food and Drug Administration (FDA) investigational new drug number and institutional review board approvals. The first trial (clinical trial IIA) was a randomized, double-blind, placebo-controlled study of Clostridial collagenase injection (Advance Biofactures Corp, Lynbrook, NY) at a single dose of 10,000 U versus placebo at a single center (State University of New York [SUNY], Stony Brook, NY). Patients with either MP joint contractures or those with

Clinical trial IIB: Dose-response study

Because the results of clinical trial IIA clearly indicated that 10,000-U collagenase injection had substantial merit in restoring patients to normal hand function, discussions were held with the FDA Center for Biologics Evaluation and Research to determine the design of subsequent clinical testing. It was decided that a random, placebo-controlled, double-blind dose study of collagenase injection for Dupuytren's disease should be performed to test whether 10,000 U of collagenase was indeed the

Clinical trial IIB: Collagenase pharmacokinetics

To determine the acute phase pharmacokinetics of collagenase, 4 male Dupuytren's (MP) patients (mean age 63 y) were enrolled in an open-label substudy to investigate absorption of collagenase into serum and excretion in urine. A 10,000-U dose was delivered to the target finger cord and blood samples were obtained before injection and 1, 10, 30, 60, and 180 minutes after injection. An additional blood sample was obtained at day 1 after injection (19.5 h). Urine samples were obtained before

Clinical trial IIB: Lidocaine local anesthesia

An open-label substudy in 5 male Dupuytren's (MP) patients (mean age 58 y) was conducted by using 5 mL of 1% injectable lidocaine as local hand anesthesia on day 1 after injection before cord manipulation/rupture. This substudy was performed to test the lidocaine anesthesia as an option to offer patients who were unwilling or unable to tolerate the momentary pain of cord rupture. A 10,000-U collagenase dose was injected into the target finger cord. On day 1 after injection, 5 mL of 1% lidocaine

Clinical trial IIA: MP joints

The mean initial contracture in patients with MP joint disease was 44° ± 17.4°, range 20° to 90°. In the 10,000-U collagenase treatment group (n = 18), 9 of the 18 patients showed a reduction in contracture to within 0° to 5° within 7 days after injection, compared with only 2 of the 18 patients in the placebo treatment group. At 1 month after injection, 14 of the 18 patients in the collagenase treatment group showed correction of contracture to within 0° to 5°, compared with 2 of 18 patients

Discussion

These studies have shown that collagenase injection into the cord causing MP and/or PIP joint contractures in Dupuytren's disease is a safe and effective method in the majority of patients in restoring normal finger extension and thus improving range of finger motion. Flexion and grip strength were not adversely affected by collagenase injection.

A random, placebo-controlled, dose-response study in clinical trial IIB showed that 10,000 U of collagenase is the minimum safe and effective dose for

Acknowledgements

The authors thank Gail Trocchio, Yvonne Leippert, RN, Maria Valentino, RN, Karen DeChello, OTR, Carolyn Gordon, OTR-CHT, Frank Albergo, RPh, and Marty Hamilton, RPh, for their assistance.

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    *

    Supported by grants from the U.S. Food and Drug Administration (FD-R-001437), the National Institutes of Health (General Clinical Research Center Grant [M01RR1071002]), and the Advance Biofactures Corporation, Lynbrook, NY.

    **

    The author or one or more of the authors have received or will receive benefits for personal or professional use from a commercial party related directly or indirectly to the subject of this article.

    *

    The investigators have received research support and do not hold stock or stock options nor have a royalty interest in the technology described.

    **

    The FDA has not yet cleared the items for the uses described.

    *

    Reprint requests: Marie A. Badalamente, PhD, Department of Orthopedics, State University of New York at Stony Brook, Health Science Center T18, Stony Brook, NY 11794.

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