John Stamos - Public Service Announcement

Rational Therapeutics
750 East 29th St.
Long Beach, CA 90806
Phone: (562) 989-6455
Fax: (562) 989-8160
E-mail: Client.Services 800-542-HELP (4357)

Predictive Accuracy of Cell Death Assays

IN GYN TUMOR TYPES

The following data compilation of 345 patients from 11 peer reviewed published articles in ovarian tumors establish the positive predictive accuracy of cell death assays at 77.0% and negative predictive accuracies of 87.9%. This breakdown reveals compelling evidence that assay directed therapies could improve response rates, time to progression and survival.

Author N TP TN FP FN Ref # Positive Predictive
Accuracy
Negative Predictive Accuracy False Positive % False Negative %
Blackman 72 31 27 13 1 1 70.5% 96.4% 18.1% 1.4%
Carstensen 22 6 12 4 0 2 60.0% 100.0% 18.2%

0.0%

Ng 20 3 14 3 0 3 50.0% 100.0% 15.0% 0.0%
Konecny 38 19 8 10 1 4 65.5% 88.9% 26.3% 2.6%
Ohie 15 7 6 1 1 5 87.5% 85.7% 6.7% 6.7%
Sargent 25 9 9 6 1 6 60.0% 90.0% 24.0% 4.0%
Sevin 31 23 6 0 2 7 100.0% 75.0% 0.0% 6.5%
Sevin 65 45 12 3 5 8 93.8% 70.6% 4.6% 7.7%
Taylor 37 11 17 6 3 9 64.7% 85.0% 16.2% 8.1%
Weisenthal 3 1 2 0 0 10 100.0% 100.0% 0.0% 0.0%
Nagourney 17 9 3 3 2 11 75.0% 60.0% 17.6% 11.8%
                     
TOTAL 345 164 116 49 16   77.0% 87.9% 14.2% 4.6%


  • 1. Blackman KE, Fignert HJ, Fuller AF, Meitner PA. The Fluorescent Cytoprint Assay in gynecologic malignancies and breast cancer: methodology and results. In: Koechli OR, Sevin B-U, Haller U, eds. Chemosensitivity testing in gynecologic malignancies and breast cancer. Basel: Karger, 1994: 53-64.
  • 2. Carstensen H, Tholander B. Chemosensitivity of ovarian carcinoma: In vitro/in vivo correlations using the dye exclusion assay of Weisenthal (meeting abstract). Proceedings: 3rd European Conference on Clinical Oncology 1985; Stockholm: p. 206.
  • 3. Ng TY, Ngan HYS, Cheng DKL, Wong LC. Clinical applicability of the ATP cell viability assay as a predictor of chemoresponse in platinum-resistant epithelial ovarian cancer using nonsurgical tumor cell samples. Gynec Oncol 2000; 76: 405-408.
  • 4. Konecny G, Crohns C, Pegram M, et al. Correlation of drug response with the ATP tumor chemosensitivity assay in primary FIGO stage III ovarian cancer. Gynec Oncol 2000; 77: 258-263.
  • 5. Ohie S. Udagawa Y, Kozu A, et al. Cisplatin sensitivity of ovarian cancer in the histoculture drug response assay correlates to clinical response to combination chemotherapy with Cisplatin, Doxorubicin and Cyclophosphamide. Anticancer Res 2000; 20: 2049-2054.
  • 6. Sargent J, Elgie A, Taylor CG, Wilson J, Alton P, Hill JG. The identification of drug resistance in ovarian cancer and breast cancer; application of the MTT assay. In: Koechli OR, Sevin B-U, Haller U, eds. Chemosensitivity testing in gynecologic malignancies and breast cancer. Basel: Karger, 1994: 64-75.
  • 7. Sevin B-U, Perras JP, Averette HE, Donato DM, Penalver M. Chemosensitivity testing in ovarian cancer. Cancer 1993; 71(Suppl): 1613-1620.
  • 8. Sevin B-U, Perras JP, Koechli OR. Current status and future directions of chemosensitivity testing. In: Koechli OR, Sevin B-U, Haller U, eds. Chemosensitivity testing in gynecologic malignancies and breast cancer. Basel: Karger, 1994: 179-194.
  • 9. Taylor CG, Sargent JM, Elgie AW, et al. The clinical relevance of chemosensitivity testing in ovarian cancer. Cancer Detect Prev 1998; 22: 305-312.
  • 10. Weisenthal LM, Marsden JA, Dill PL. Macaluso CK. A novel dye exclusion method for testing in vitro chemosensitivity of human tumors. Cancer Res 1983; 43: 749-757.
  • 11. Nagourney RA, Brewer CA, Radecki S, et al. A Phase II Trial of Gemcitanbine Plus Cisplatin Repeating Doublet Therapy in Previously Treated, Relapsed Ovarian Cancer patients. Submitted Gyn Onc May 2002.