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Randomized Phase II Study of PET Response-Adapted Combined Modality Therapy for Esophageal Cancer: Mature Results of the CALGB 80803 (Alliance) Trial.

Publication ,  Journal Article
Goodman, KA; Ou, F-S; Hall, NC; Bekaii-Saab, T; Fruth, B; Twohy, E; Meyers, MO; Boffa, DJ; Mitchell, K; Frankel, WL; Niedzwiecki, D; Noonan, A ...
Published in: J Clin Oncol
September 1, 2021

PURPOSE: To evaluate the use of early assessment of chemotherapy responsiveness by positron emission tomography (PET) imaging to tailor therapy in patients with esophageal and esophagogastric junction adenocarcinoma. METHODS: After baseline PET, patients were randomly assigned to an induction chemotherapy regimen: modified oxaliplatin, leucovorin, and fluorouracil (FOLFOX) or carboplatin-paclitaxel (CP). Repeat PET was performed after induction; change in maximum standardized uptake value (SUV) from baseline was assessed. PET nonresponders (< 35% decrease in SUV) crossed over to the alternative chemotherapy during chemoradiation (50.4 Gy/28 fractions). PET responders (≥ 35% decrease in SUV) continued on the same chemotherapy during chemoradiation. Patients underwent surgery at 6 weeks postchemoradiation. Primary end point was pathologic complete response (pCR) rate in nonresponders after switching chemotherapy. RESULTS: Two hundred forty-one eligible patients received Protocol treatment, of whom 225 had an evaluable repeat PET. The pCR rates for PET nonresponders after induction FOLFOX who crossed over to CP (n = 39) or after induction CP who changed to FOLFOX (n = 50) was 18.0% (95% CI, 7.5 to 33.5) and 20% (95% CI, 10 to 33.7), respectively. The pCR rate in responders who received induction FOLFOX was 40.3% (95% CI, 28.9 to 52.5) and 14.1% (95% CI, 6.6 to 25.0) in responders to CP. With a median follow-up of 5.2 years, median overall survival was 48.8 months (95% CI, 33.2 months to not estimable) for PET responders and 27.4 months (95% CI, 19.4 months to not estimable) for nonresponders. For induction FOLFOX patients who were PET responders, median survival was not reached. CONCLUSION: Early response assessment using PET imaging as a biomarker to individualize therapy for patients with esophageal and esophagogastric junction adenocarcinoma was effective, improving pCR rates in PET nonresponders. PET responders to induction FOLFOX who continued on FOLFOX during chemoradiation achieved a promising 5-year overall survival of 53%.

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Published In

J Clin Oncol

DOI

EISSN

1527-7755

Publication Date

September 1, 2021

Volume

39

Issue

25

Start / End Page

2803 / 2815

Location

United States

Related Subject Headings

  • Young Adult
  • Survival Rate
  • Radiopharmaceuticals
  • Prognosis
  • Positron-Emission Tomography
  • Oxaliplatin
  • Oncology & Carcinogenesis
  • Middle Aged
  • Male
  • Leucovorin
 

Citation

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Goodman, K. A., Ou, F.-S., Hall, N. C., Bekaii-Saab, T., Fruth, B., Twohy, E., … Ilson, D. H. (2021). Randomized Phase II Study of PET Response-Adapted Combined Modality Therapy for Esophageal Cancer: Mature Results of the CALGB 80803 (Alliance) Trial. J Clin Oncol, 39(25), 2803–2815. https://doi.org/10.1200/JCO.20.03611
Goodman, Karyn A., Fang-Shu Ou, Nathan C. Hall, Tanios Bekaii-Saab, Briant Fruth, Erin Twohy, Michael O. Meyers, et al. “Randomized Phase II Study of PET Response-Adapted Combined Modality Therapy for Esophageal Cancer: Mature Results of the CALGB 80803 (Alliance) Trial.J Clin Oncol 39, no. 25 (September 1, 2021): 2803–15. https://doi.org/10.1200/JCO.20.03611.
Goodman KA, Ou F-S, Hall NC, Bekaii-Saab T, Fruth B, Twohy E, et al. Randomized Phase II Study of PET Response-Adapted Combined Modality Therapy for Esophageal Cancer: Mature Results of the CALGB 80803 (Alliance) Trial. J Clin Oncol. 2021 Sep 1;39(25):2803–15.
Goodman, Karyn A., et al. “Randomized Phase II Study of PET Response-Adapted Combined Modality Therapy for Esophageal Cancer: Mature Results of the CALGB 80803 (Alliance) Trial.J Clin Oncol, vol. 39, no. 25, Sept. 2021, pp. 2803–15. Pubmed, doi:10.1200/JCO.20.03611.
Goodman KA, Ou F-S, Hall NC, Bekaii-Saab T, Fruth B, Twohy E, Meyers MO, Boffa DJ, Mitchell K, Frankel WL, Niedzwiecki D, Noonan A, Janjigian YY, Thurmes PJ, Venook AP, Meyerhardt JA, O’Reilly EM, Ilson DH. Randomized Phase II Study of PET Response-Adapted Combined Modality Therapy for Esophageal Cancer: Mature Results of the CALGB 80803 (Alliance) Trial. J Clin Oncol. 2021 Sep 1;39(25):2803–2815.

Published In

J Clin Oncol

DOI

EISSN

1527-7755

Publication Date

September 1, 2021

Volume

39

Issue

25

Start / End Page

2803 / 2815

Location

United States

Related Subject Headings

  • Young Adult
  • Survival Rate
  • Radiopharmaceuticals
  • Prognosis
  • Positron-Emission Tomography
  • Oxaliplatin
  • Oncology & Carcinogenesis
  • Middle Aged
  • Male
  • Leucovorin