Interstitial Pressure of Subcutaneous Nodules in Melanoma and Lymphoma Patients: Changes during Treatment1

Brendan D. Curti, John E. Janik, John W. Smith, John Edward Janik

Research output: Contribution to journalArticle

134 Citations (Scopus)

Abstract

Interstitial pressure (IP) is a physiological variable that may have its greatest influence on the transport of high-molecular-weight therapeutic agents. IP in tumor nodules was measured in patients with metastatic melanoma or non-Hodgkin's lymphoma to determine the influence of this physiological variable on treatment outcome. The wick-in-needle technique was used to measure IP at time points before and after treatment with a variety of immunotherapy and chemotherapy regimens. Selected patients had IP measurements during chemotherapy or immunotherapy infusions. Ultrasound or computed tomography was used to evaluate the size of the studied lesions and their relationship to normal structures. The mean baseline IP in melanoma nodules (n = 22) and lymphoma nodules (n = 7) was 29.8 and 4.7 mm Hg, respectively (P = 0.013 for the difference between tumor types). In a subset of melanoma nodules for which IP had been measured before and after treatment, the IP increased significantly over time for nonresponding melanoma lesions from a baseline of 24.4 to 53.9 mm Hg after treatment (P = 0.005) and decreased in melanoma lesions that responded to treatment where the mean baseline and post-treatment IPs were 12.2 and 0 mm Hg, respectively (P = 0.001 for the difference in IP profiles between responding and nonresponding lesions). Six of seven lymphoma nodules responded completely to chemotherapy or radiation. The single nodule that did not respond had a baseline IP of 1 mm Hg that increased to 30 mm Hg after treatment Tumor IP differs significantly between melanoma and non-Hodgkin's lymphoma. The changes in IP over time differ significantly between responding and nonresponding melanoma lesions. IP that increases during treatment appears to be associated with tumor progression in these tumor types.

Original languageEnglish (US)
Pages (from-to)2204-2207
Number of pages4
JournalCancer Research
Volume53
Issue number10
StatePublished - Jan 1 1993

Fingerprint

Melanoma
Lymphoma
Pressure
Therapeutics
Neoplasms
Drug Therapy
Non-Hodgkin's Lymphoma
Immunotherapy
Needles
Molecular Weight
Tomography
Radiation

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Curti, B. D., Janik, J. E., Smith, J. W., & Janik, J. E. (1993). Interstitial Pressure of Subcutaneous Nodules in Melanoma and Lymphoma Patients: Changes during Treatment1. Cancer Research, 53(10), 2204-2207.

Interstitial Pressure of Subcutaneous Nodules in Melanoma and Lymphoma Patients : Changes during Treatment1. / Curti, Brendan D.; Janik, John E.; Smith, John W.; Janik, John Edward.

In: Cancer Research, Vol. 53, No. 10, 01.01.1993, p. 2204-2207.

Research output: Contribution to journalArticle

Curti, BD, Janik, JE, Smith, JW & Janik, JE 1993, 'Interstitial Pressure of Subcutaneous Nodules in Melanoma and Lymphoma Patients: Changes during Treatment1', Cancer Research, vol. 53, no. 10, pp. 2204-2207.
Curti, Brendan D. ; Janik, John E. ; Smith, John W. ; Janik, John Edward. / Interstitial Pressure of Subcutaneous Nodules in Melanoma and Lymphoma Patients : Changes during Treatment1. In: Cancer Research. 1993 ; Vol. 53, No. 10. pp. 2204-2207.
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