Sociedad Americana de Hirudoterapia

Peyronie's Disease (Stable Phase)

Investigational use for stable-phase Peyronie's disease; case-report-level evidence only. Standard treatments (verapamil, collagenase, surgery) remain first-line.

Tier C — InvestigationalInvestigacionalLast updated: 2026-05-26 · Reviewed by ASH Editorial Board

Resumen para el Paciente

¿Está esto autorizado por FDA para este uso?
Not FDA-cleared for Peyronie's disease. FDA cleared medicinal leeches only for venous congestion in microsurgical reconstruction (K040187, 2004). Use for Peyronie's is investigational.
¿Qué evidencia existe?
Tier C (investigational). Only case-report-level evidence exists; there are no randomized controlled trials. Evidence-based options for stable-phase Peyronie's (plaque present at least 12 months without progression) include intralesional verapamil, intralesional collagenase clostridium histolyticum (FDA-approved as Xiaflex), mechanical traction devices, and surgical correction (plication or grafting with or without prosthesis placement) for refractory or severe deformity. Active-phase disease requires symptom-targeted therapy, not direct plaque intervention.
Riesgos principales
  • Bleeding from bite sites for 6 to 24 hours after detachment in a highly vascular area
  • Bruising and tenderness of penile or pubic skin for 5 to 10 days
  • Local skin infection, hematoma, or Aeromonas infection
  • Allergic reaction to leech saliva (uncommon)
  • Worsening of plaque pain or new pain on erection
  • Cosmetic scarring at bite sites
  • Delay or replacement of effective therapies (intralesional collagenase, traction, surgery)
Quién no debería considerar esto
  • Patients in the acute / active phase (less than 12 months from onset, ongoing plaque progression, painful erections)
  • Patients with active genital infection, STI, or balanitis
  • Patients requiring penile prosthesis for erectile dysfunction
  • Patients on anticoagulants, with hemophilia, or with severe anemia
  • Patients with an indwelling urethral catheter
  • Patients who have not been evaluated by a urologist
Qué preguntar a su clínico
  • Has my plaque been stable for at least 12 months without progression (true stable phase)?
  • Have I been offered intralesional collagenase (Xiaflex), intralesional verapamil, or mechanical traction?
  • Am I a candidate for surgical correction (plication, grafting, or penile prosthesis)?
  • What is the realistic effect size with leech therapy versus proven interventions?
  • Where will leeches be placed, and how will my urethra and glans be protected?
  • What is the practitioner's experience and Aeromonas-prevention plan?
  • What is the cost?
Cuándo buscar atención urgente
  • Sustained painful erection lasting more than 4 hours (priapism — urology emergency)
  • Sudden new severe penile pain, hematoma, or hard mass
  • Inability to urinate or new blood in urine
  • Spreading redness, pus, or warmth on the penis or pubic area
  • Bleeding from a bite site lasting more than 24 to 48 hours
  • Fever above 38.0 C / 100.4 F or chills
  • Hives, throat tightness, or breathing difficulty

Qué NO significa esto

  • This is not FDA-cleared for Peyronie's disease.
  • Case reports do NOT establish efficacy versus intralesional collagenase, verapamil, traction, or surgical correction.
  • Mechanism rationale (antifibrotic salivary peptides) does NOT establish clinical efficacy.
  • Leech therapy is not a substitute for urologic evaluation and proven Peyronie's therapies.
  • Active-phase Peyronie's should NOT be treated with leech therapy — symptom-directed care is appropriate first.

Clinical Profile

Category
urogenital
ICD-10
N48.6
Safety tier
high

Evidence Summary

No controlled clinical trial of leech therapy for Peyronie's disease has been published; any use is investigational and mechanistic only, theorizing an antifibrotic action of leech salivary peptides on tunica albuginea fibrosis. Evidence is too preliminary for any quantitative effect-size estimate. Standard management (intralesional verapamil, intralesional collagenase clostridium histolyticum, mechanical traction, surgical plication or grafting) remains the mainstay. ASH position: only as exploratory adjunct under urology supervision in stable-phase disease (>12 months from onset, no recent plaque progression). Acute-phase Peyronie's (active inflammation, pain on erection) is a contraindication.

Treatment specifics

How many leeches, where they are placed, how long a session lasts, and whether to repeat are clinical decisions made by a qualified provider under institutional protocol — not something to self-administer. Discuss the specifics with a clinician experienced in medicinal leech therapy. (Clinicians: switch the audience selector in the top bar to “Clinician” to view protocol detail.)

Key Trials

  1. Bahmani M et al. (2014)0

Contraindications

  • Active anticoagulant therapy (warfarin INR >2.0, DOACs, heparin)
  • Hemophilia or other bleeding disorder
  • Severe anemia (Hb <10 g/dL)
  • Active bacteremia or sepsis
  • Known hypersensitivity to leech salivary proteins
  • Pregnancy (relative — first/third trimester)
  • Immunocompromised state with severe neutropenia
  • Acute-phase Peyronie's with active inflammation
  • Erectile dysfunction requiring penile prosthesis
  • Active genital infection or STI

Related Conditions

Este sitio web proporciona información educativa y no constituye consejo médico, diagnóstico ni recomendaciones de tratamiento. La terapia con sanguijuelas medicinales conlleva riesgos clínicamente significativos y debe ser realizada únicamente por profesionales calificados bajo protocolos aprobados institucionalmente. La autorización 510(k) de la FDA para sanguijuelas medicinales se limita a indicaciones específicas; las discusiones sobre uso investigativo y fuera de indicación se señalan correspondientemente. Para orientación médica específica, consulte a un profesional de salud calificado.

Peyronie's Disease (Stable Phase) — Hirudotherapy Evidence | ASH