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Preliminary clinical data on a new photodynamic therapy photosensitizer, 2-[1-hexyloxyethyl]-2-devinylpyropheophorbide-a (HPPH) for treatment of obstructive esophageal cancer

  • Thomas J. Dougherty
  • , Ravindra K. Pandey
  • , Hector R. Nava
  • , Judy A. Smith
  • , Harold O. Douglass
  • , Stephen B. Edge
  • , David A. Bellnier
  • , Linda O'Malley
  • , Michele Cooper
  • Roswell Park Cancer Institute

Research output: Contribution to journalConference articlepeer-review

32 Scopus citations

Abstract

The hexyl ether derivative of pyropheophorbide-a, 2-[1-hexyloxyethyl]-2-devinylpyropheophorbide-a (HPPH), has been identified as an optimally active in vivo photosensitizer in pre-clinical studies and has been evaluated clinically in obstructive esophageal cancer in five patients to date. The photosensitizer appears to have no systemic toxicity and be effective at low drug and light doses. Further, cutaneous photosensitivity appears to persist only 5-7 days.

Original languageEnglish
Pages (from-to)25-27
Number of pages3
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3909
StatePublished - 2000
EventOptical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy IX - San Jose, CA, USA
Duration: Jan 22 2000Jan 23 2000

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