The association of histopathologic features after neoadjuvant chemo-immunotherapy with clinical outcome: Sub-analyses from the randomized double-blinded, placebo-controlled, Phase III IMagyn050/GOG3015/ENGOT-ov39 study
- Paulette Mhawech-Fauceglia 1, Denis McCarthy 2, Akiko Tonooka 3, Giovanni Scambia 4, Yolanda Garcia 5, Pavel Dundr 6, Anne M Mills 7, Kathleen Moore 8, Sakiko Sanada 9, Leslie Bradford 10, Giulia Carlo Stella 11, Michael Bookman 12, Sudarshan K Sharma 13, Frederic Selle 14, Luciana Molinero 15, Yvette He 16, Victor Khor 15, Charles Landen 7, Yvonne G Lin 15
- 1Sonic health care, Las Vegas, NV, United States.
- 2Pathology Consultants (PC), Springfield, OR, United States.
- 3Division of Pathology at the Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan.
- 4Fondazione Policlinico Universitario A. Gemelli IRCCS Università Cattolica del S. Cuore, Rome, Italy.
- 5Parc Tauli Hospital Universitari, Institut d'Investigació I Innovació Parc Taulí (I3PT), Universitat Autònoma de Barcelona, Sabadell, Spain.
- 6First Medical Faculty Charles University, General University Hospital in Prague, Prague, Czech Republic.
- 7University of Virginia, Charlottesville, VA, United States.
- 8Stephenson Cancer Center at the University of Oklahoma, Oklahoma City, OK, United States.
- 9Kurume University School of Medicine, Kurume, Japan.
- 10Maine Health, Scarborough, ME, United States.
- 11ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy.
- 12Kaiser Permanente, San Francisco, CA, United States.
- 13University of Chicago Medicine Advent Health, Hinsdale, IL, United States.
- 14Groupe Hospitalier Diaconesses Croix Saint-Simon, Paris, France.
- 15Genentech, Inc., South San Francisco, CA, United States.
- 16Parexel, Chengdu, China.
- 0Sonic health care, Las Vegas, NV, United States.
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View abstract on PubMed
Summary
This summary is machine-generated.Histopathologic features after neoadjuvant chemotherapy (NACT) and immunotherapy impact patient outcomes. Extensive inflammation predicts better survival, while residual tumor increases progression risk.
Area Of Science
- Oncology
- Pathology
- Immunotherapy
Background
- Histopathologic features post-neoadjuvant chemotherapy (NACT) can correlate with patient outcomes.
- Assessing these features after combined immunotherapy and NACT/bevacizumab is crucial for understanding treatment efficacy.
Purpose Of The Study
- To evaluate histopathologic characteristics following NACT/bevacizumab plus atezolizumab or placebo.
- To correlate these features with clinical outcomes, including progression-free survival (PFS) and overall survival (OS).
Main Methods
- Central histopathologic scoring of surgical specimens from the IMagyn050/GOG3015/ENGOT-ov39 trial.
- Analysis of tissue from interval cytoreductive surgery (ICS) after NACT/bevacizumab and immunotherapy.
- Correlation of histopathologic findings (residual tumor, necrosis, fibrosis, inflammation) with clinical outcomes.
Main Results
- No significant differences in PFS or OS were observed between the atezolizumab and placebo arms.
- Multivariate analyses indicated that residual tumor increased the risk of progression.
- Extensive inflammation was associated with a decreased risk of death and a greater likelihood of response to NACT/bevacizumab plus immunotherapy.
Conclusions
- Histopathologic assessment of ICS specimens can provide insights into clinical outcomes.
- Inflammation and residual tumor are key features that may predict treatment response and survival.
- Further research using advanced tools is warranted to deepen the understanding of these correlations.
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