Does megestrol acetate down-regulate interleukin-6 in patients with cancer-associated anorexia and weight loss? A North Central Cancer Treatment Group investigation (original) (raw)

Abstract.

Megestrol acetate improves appetite and abrogates weight loss in some patients with advanced cancer. Moreover, preliminary studies suggest that progestational agents down-regulate interleukin-6 (IL-6), an inflammatory cytokine widely implicated in cancer-associated anorexia and weight loss. The present investigation examined the effects of megestrol acetate on IL-6 in an attempt to confirm these earlier, preliminary studies. The translational component of a large multi-institutional trial, this investigation examined 85 patients with advanced cancer and weight loss. Patients had been randomly assigned to receive megestrol acetate liquid suspension 800 mg/day + placebo tablets, or oral dronabinol tablets 2.5 mg b.i.d. + liquid placebo, or both agents. Other testing included serial physician-reported weight and patient-reported appetite and global quality of life. We found no significant differences in 1-month changes in serum IL-6 according to whether patients had been treated with megestrol acetate, dronabinol, or the combination: the mean differences ± standard deviation were –1.52±4.7 pg/ml, –0.62±3.5 pg/ml, and –0.2±3.1 pg/ml, respectively (_P_=0.40, by one-way ANOVA). Among the patients who noted alterations in their appetite over 1 month, we observed no significant changes in IL-6. Finally, changes in serum IL-6 were not associated with shifts in weight or global quality of life. Our investigation provides no evidence that megestrol acetate down-regulates IL-6 in patients with cancer-associated anorexia and weight loss.

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Authors and Affiliations

  1. Mayo Clinic and Mayo Foundation, 200 First Street SW, Rochester, MN 55905, USA, USA
    Aminah Jatoi, Jeff A. Sloan, Paul J. Novotny & Charles L. Loprinzi
  2. Kumamoto University Medical School, Honjo, Kumamoto, Japan, Japan
    Jun-ichi Yamashita
  3. CentraCare Clinic, St. Cloud, MN 56301, USA, USA
    Harold E. Windschitl

Authors

  1. Aminah Jatoi
  2. Jun-ichi Yamashita
  3. Jeff A. Sloan
  4. Paul J. Novotny
  5. Harold E. Windschitl
  6. Charles L. Loprinzi

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Jatoi, A., Yamashita, Ji., Sloan, J.A. et al. Does megestrol acetate down-regulate interleukin-6 in patients with cancer-associated anorexia and weight loss? A North Central Cancer Treatment Group investigation.Support Care Cancer 10, 71–75 (2002). https://doi.org/10.1007/s00520-001-0310-7

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