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Trial of Excision Versus Photodynamic Therapy in the Treatment of Bowen's Disease

This study has been terminated.
(Study stopped because of disappointing inclusion rates)
Erasmus Medical Center
Information provided by:
Catharina Ziekenhuis Eindhoven Identifier:
First received: May 10, 2007
Last updated: May 12, 2010
Last verified: May 2010
The purpose of this study is to identify the most optimal therapy for Bowen's disease: excision versus Photodynamic therapy.

Condition Intervention Phase
Bowen's Disease Procedure: excision Procedure: Photodynamic therapy Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Randomized Clinical Trial of Excision Versus Photodynamic Therapy in Bowen's Disease

Resource links provided by NLM:

Further study details as provided by Catharina Ziekenhuis Eindhoven:

Primary Outcome Measures:
  • recurrence rate [ Time Frame: two years ]

Secondary Outcome Measures:
  • cosmetic outcome [ Time Frame: one year ]

Enrollment: 65
Study Start Date: May 2007
Study Completion Date: February 2010
Estimated Primary Completion Date: February 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: 1
Procedure: excision
excision 3 mm margin
Active Comparator: 2
Photodynamic therapy
Procedure: Photodynamic therapy
Photodynamic therapy

Detailed Description:
The study is a randomized clinical trial in which two treatment options for Bowen's disease, excision and photodynamic therapy, are compared on recurrence rate, cosmesis en expenses.

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Age > 18 years
  • Histological proven Bowen's disease on scalp, face, trunk, arms and legs
  • Informed Consent

Exclusion Criteria:

  • Recurrent Bowen's disease
  • Anogenital or subungual Bowe's disease
  • Other skin malignancy in the same area
  • Porphyria
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00472706

Sponsors and Collaborators
Catharina Ziekenhuis Eindhoven
Erasmus Medical Center
Principal Investigator: Annette Verzijl, MD Catharina hospital/Erasmus MC
  More Information

Responsible Party: Drs. A. Verzijl, Catharina hospital/Erasmus MC Identifier: NCT00472706     History of Changes
Other Study ID Numbers: M06-16107
Study First Received: May 10, 2007
Last Updated: May 12, 2010

Keywords provided by Catharina Ziekenhuis Eindhoven:
Photodynamic therapy
Recurrence rate
Cosmetic outcome

Additional relevant MeSH terms:
Bowen's Disease
Carcinoma, Squamous Cell
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Neoplasms, Squamous Cell processed this record on September 19, 2017