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Collagenase Clostridium histolyticum in the treatment of Peyronie's disease: patient selection and perspectives.

ABSTRACT: The safety and efficacy of the use of collagenase Clostridium histolyticum (CCH) for the treatment of Peyronie's disease has been confirmed over the past several years. However, identification of the ideal patient population for use of this treatment is not well established. Multiple studies have attempted to delineate various patient-specific factors that may predict response to treatment with CCH, with the intent of enhancing patient selection. To date, these include baseline curvature severity, duration of disease, disease phase at presentation, plaque calcification, baseline erectile function, plaque size, age, comorbid diabetes, previous penile trauma, responsiveness to first treatment cycle, baseline penile shortening or pain, prior treatment with intralesional injection, compliance with plaque modeling, and atypical curvature. In addition, other studies have sought to explore various aspects of treatment with CCH that may affect patient perspective of treatment. They have focused on patient-reported outcomes, female partner considerations, cost of treatment, and potential confounders of patient satisfaction. This review provides a summary and analysis of currently available literature on topics of patient selection and perspectives in regard to treatment of Peyronie's disease with CCH.

SUBMITTER: Kuhlmann PK

PROVIDER: S-EPMC5338950 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:IntroductionCollagenase Clostridium histolyticum (CCH) intralesional injection was efficacious for the management of Peyronie's disease (PD) in the double-blinded, randomized, placebo-controlled Investigation for Maximal Peyronie's Reduction Efficacy and Safety Studies I and II (IMPRESS I and II). Little is known about the consequences of PD or treatment on the sexual partners of affected men.AimTo assess the safety and efficacy of CCH treatment in men who received placebo in the IMPRESS I or II study and to evaluate the men's PD symptoms and partner bother as reported by female sexual partners.MethodsIn this phase 3, open-label study (NCT01685437), men (n = 189) received up to eight injections of CCH (0.58 mg/injection). Female sexual partners who provided informed consent at screening (n = 30) participated in the study.Main outcome measuresCo-primary end points were change or percentage of change in penile curvature deformity and change in PD symptom bother domain score of the Peyronie's Disease Questionnaire (PDQ) from baseline to week 36. Participating women completed the PDQ for female sexual partners (PDQ-FSP) and the Female Sexual Function Index (FSFI).ResultsStatistically significant mean improvements were observed in penile curvature deformity (36.3% decrease; 95% CI = -41.6 to -30.9) and PDQ symptom bother score (2.4-point decrease; 95% CI = -3.0 to -1.8) from baseline to week 36. Most treatment-emergent adverse events were mild or moderate. After CCH treatment of their male partners, female sexual partners reported improvement (using the PDQ-FSP) in their male partner's PD symptoms and female bother regarding their partner's PD. The percentage of female sexual partners with sexual dysfunction (FSFI total score ? 26.55) also decreased after male partner treatment, from 75.0% at baseline to 33.3%.ConclusionsThese results support the safety and efficacy of CCH in the management of appropriate patients with PD and the potential benefits for patients' partners. Goldstein I, Knoll LD, Lipshultz LI, et al. Changes in the Effects of Peyronie's Disease After Treatment With Collagenase Clostridium histolyticum: Male Partners and Their Female Partners. Sex Med 2017;5:e124-e130.

Project description:IntroductionTreatments for Peyronie's disease (PD) include surgical management and collagenase clostridium histolyticum (CCH).AimsTo evaluate PD treatment trends after CCH approval and compare clinical outcomes in CCH- and surgery-treated cohorts.MethodsPatients newly diagnosed with PD between January 2011 and December 2017 were identified in a U.S. claims database. Cohorts initiating treatment with CCH or surgery between January 2014 and June 2017 were included. Patients were continuously enrolled ≥6 months before and ≥12 months after index date. Post-treatment penile complications and analgesic use were compared 1 year after procedure in propensity score-matched cohorts.Main outcome measuresThe main outcome measures of this study were treatment patterns, penile complications, and analgesic use.ResultsIn the newly diagnosed PD cohort, 1,609 patients received CCH and 1,555 patients had surgery. Overall CCH or surgery treatment rate/year increased from 9.8% in 2014 to 15.5% in 2017, with <1% receiving verapamil or interferon. Initial treatment ratios of CCH to surgery increased from approximately 1:1 (2014) to 2:1 (2017). In the unmatched CCH (n = 1,227) and surgery (n = 620) cohorts, more (P < .05) surgery-treated patients received analgesics (particularly opioids), oral PD therapies, vacuum erection devices, and phosphodiesterase-5 inhibitors before the index date. After propensity score matching (n = 620/cohort), newly occurring postprocedural complications during the follow-up period were higher in the surgery cohort (25.3% vs 18.4%, P = .003). The surgery cohort had significantly (P < .05) higher rates of erectile dysfunction (65.0% vs 44.8%), penile pain (17.9% vs 8.9%), and penile swelling (8.1% vs 5.2%) and was more likely to be prescribed opioids (93.3% vs 38.9%; P < .0001) or non-steroidal anti-inflammatory drugs (27.0% vs 20.3%; P = .006).ConclusionCCH demonstrated fewer complications and less analgesic use than surgery and was used as the initial therapy for PD twice as often as surgery. L Trost, H Huang, X Han, et al. Treatment Patterns and Healthcare Outcomes with Collagenase Clostridium Histolyticum vs Surgery in Peyronie's Disease: A Retrospective Claims Database Analysis. Sex Med 2021;9:100321.

Project description:To determine the safety and efficacy of collagenase clostridium histolyticum (CCH) injection for the treatment of palmar Dupuytren disease nodules.In this 8-week, double-blind trial, palpable palmar nodules on one hand of adults with Dupuytren disease were selected for treatment. Patients were randomly assigned using an interactive web response system to receive a dose of 0.25 mg, 0.40 mg, or 0.60 mg (1:1:1 ratio) and then allocated to active treatment (CCH) or placebo (4:1 ratio). All patients and investigators were blinded to treatment. One injection was made in the selected nodule on Day 1. Caliper measurements of nodule length and width were performed at screening and at Weeks 4 and 8. Investigator-reported nodular consistency and hardness were evaluated at baseline and Weeks 1, 4, and 8. Investigator-rated patient improvement (1 [very much improved] to 7 [very much worse]) and patient satisfaction were assessed at study end.In the efficacy population (n = 74), percentage changes in area were significantly greater with CCH 0.40 mg (-80.1%, P = 0.0002) and CCH 0.60 mg (-78.2%, P = 0.0003), but not CCH 0.25 mg (-58.3%, P = 0.079), versus placebo (-42.2%) at post-treatment Week 8. Mean change in nodular consistency and hardness were significantly improved with CCH versus placebo at Weeks 4 and 8 (P ? 0.0139 for all). At Week 8, investigator global assessment of improvement was significantly greater with CCH 0.40 mg and 0.60 mg (P ? 0.0014) but not statistically significant with CCH 0.25 mg versus placebo (P = 0.13). Most patients were "very satisfied" or "quite satisfied" with CCH 0.40 mg and 0.60 mg. Contusion/bruising (50.0% to 59.1%) was the most common adverse event with CCH treatment.In patients with Dupuytren disease, a single CCH injection significantly improved palmar nodule size and hardness. The safety of CCH was similar to that observed previously in patients with Dupuytren contracture.ClinicalTrials.gov identifier: NCT02193828 . Date of trial registration: July 2, 2014 to December 5, 2014.

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Collagenase Clostridium histolyticum in the treatment of Peyronie's disease: patient selection and perspectives.

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