Adjuvant approaches to enhance cryosurgery

Raghav Goel, Kyle Anderson, Joel Slaton, Franz Schmidlin, Gregory M Vercellotti, John D Belcher, John C Bischof

Research output: Contribution to journalReview article

40 Citations (Scopus)

Abstract

Molecular adjuvants can be used to enhance the natural destructive mechanisms of freezing within tissue. This review discusses their use in the growing field of combinatorial or adjuvant enhanced cryosurgery for a variety of disease conditions. Two important motivations for adjuvant use are: (1) increased control of the local disease in the area of freezing (i.e., reduced local recurrence of disease) and (2) reduced complications due to over-freezing into adjacent tissues (i.e., reduced normal functional tissue destruction near the treatment site). This review starts with a brief overview of cryosurgical technology including probes and cryogens and major mechanisms of cellular, vascular injury and possible immunological effects due to freeze-thaw treatment in vivo. The review then focuses on adjuvants to each of these mechanisms that make the tissue more sensitive to freeze-thaw injury. Four broad classes of adjuvants are discussed including: thermophysical agents (eutectic forming salts and amino acids), chemotherapuetics, vascular agents and immunomodulators. The key issues of selection, timing, dose and delivery of these adjuvants are then elaborated. Finally, work with a particularly promising vascular adjuvant, TNF-alpha, that shows the ability to destroy all cancer within a cryosurgical iceball is highlighted.

Original languageEnglish (US)
Article number740031
JournalJournal of Biomechanical Engineering
Volume131
Issue number7
DOIs
StatePublished - Jul 1 2009

Fingerprint

Cryosurgery
Freezing
Tissue
Blood Vessels
Vascular System Injuries
Immunologic Factors
Eutectics
Amino acids
Tumor Necrosis Factor-alpha
Salts
Technology
Amino Acids
Recurrence
Wounds and Injuries
Neoplasms

Keywords

  • Adjuvants
  • Apoptosis
  • Cryoablation
  • Cryoadjuvants
  • Cryobiology
  • Cryodestruction
  • Cryoinjury
  • Cryosurgery
  • Freezing
  • Necrosis

Cite this

Adjuvant approaches to enhance cryosurgery. / Goel, Raghav; Anderson, Kyle; Slaton, Joel; Schmidlin, Franz; Vercellotti, Gregory M; Belcher, John D; Bischof, John C.

In: Journal of Biomechanical Engineering, Vol. 131, No. 7, 740031, 01.07.2009.

Research output: Contribution to journalReview article

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