Pathological Complete Response to Neoadjuvant Chemoimmunotherapy for Early Triple-Negative Breast Cancer: An Updated Meta-Analysis. 2022

Alessandro Rizzo, and Antonio Cusmai, and Raffaella Massafra, and Samantha Bove, and Maria Colomba Comes, and Annarita Fanizzi, and Lucia Rinaldi, and Silvana Acquafredda, and Gennaro Gadaleta-Caldarola, and Donato Oreste, and Alfredo Zito, and Francesco Giotta, and Vito Lorusso, and Gennaro Palmiotti
Struttura Semplice Dipartimentale di Oncologia Medica per la Presa in Carico Globale del Paziente Oncologico "Don Tonino Bello", IRCCS, Istituto Tumori "Giovanni Paolo II", Viale Orazio Flacco 65, 70124 Bari, Italy.

Immune checkpoint inhibitors (ICIs) have made a breakthrough in the systemic treatment for metastatic triple-negative breast cancer (TNBC) patients. However, results of phase II and III clinical trials assessing ICIs plus chemotherapy as neoadjuvant treatment were controversial and conflicting. We performed a meta-analysis aimed at assessing the Odds Ratio (OR) of the pathological complete response (pCR) rate in trials assessing neoadjuvant chemoimmunotherapy in TNBC. According to our results, the use of neoadjuvant chemoimmunotherapy was associated with higher pCR (OR 1.95; 95% Confidence Intervals, 1.27-2.99). In addition, we highlighted that this benefit was observed regardless of PD-L1 status since the analysis reported a statistically significant and clinically meaningful benefit in both PD-L1 positive and PD-L1 negative patients. These findings further support the exploration of the role of ICIs plus chemotherapy in early-stage TNBC, given the potentially meaningful clinical impact of these agents. Further studies aimed at more deeply investigating this emerging topic in breast cancer immunotherapy are warranted.

UI MeSH Term Description Entries
D007167 Immunotherapy Manipulation of the host's immune system in treatment of disease. It includes both active and passive immunization as well as immunosuppressive therapy to prevent graft rejection. Immunotherapies
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000971 Antineoplastic Combined Chemotherapy Protocols The use of two or more chemicals simultaneously or sequentially in the drug therapy of neoplasms. The drugs need not be in the same dosage form. Anticancer Drug Combinations,Antineoplastic Agents, Combined,Antineoplastic Chemotherapy Protocols,Antineoplastic Drug Combinations,Cancer Chemotherapy Protocols,Chemotherapy Protocols, Antineoplastic,Drug Combinations, Antineoplastic,Antineoplastic Combined Chemotherapy Regimens,Combined Antineoplastic Agents,Agent, Combined Antineoplastic,Agents, Combined Antineoplastic,Anticancer Drug Combination,Antineoplastic Agent, Combined,Antineoplastic Chemotherapy Protocol,Antineoplastic Drug Combination,Cancer Chemotherapy Protocol,Chemotherapy Protocol, Antineoplastic,Chemotherapy Protocol, Cancer,Chemotherapy Protocols, Cancer,Combinations, Antineoplastic Drug,Combined Antineoplastic Agent,Drug Combination, Anticancer,Drug Combination, Antineoplastic,Drug Combinations, Anticancer,Protocol, Antineoplastic Chemotherapy,Protocol, Cancer Chemotherapy,Protocols, Antineoplastic Chemotherapy,Protocols, Cancer Chemotherapy
D060890 B7-H1 Antigen An inhibitory B7 antigen that contains V-type and C2 type immunoglobulin domains. It has specificity for the T-CELL receptor PROGRAMMED CELL DEATH 1 PROTEIN and provides negative signals that control and inhibit T-cell responses. It is found at higher than normal levels on tumor cells, suggesting its potential role in TUMOR IMMUNE EVASION. Antigens, CD274,PD-L1 Protein,Programmed Cell Death 1 Ligand 1 Protein,Programmed Death Ligand 1,B7-H1 Immune Costimulatory Protein,B7H1 Immune Costimulatory Protein,CD274 Antigen,PD-L1 Costimulatory Protein,Programmed Cell Death 1 Ligand 1,Antigen, B7-H1,Antigen, CD274,B7 H1 Antigen,B7 H1 Immune Costimulatory Protein,CD274 Antigens,Costimulatory Protein, PD-L1,PD L1 Costimulatory Protein,PD L1 Protein
D020360 Neoadjuvant Therapy Preliminary cancer therapy (chemotherapy, radiation therapy, hormone/endocrine therapy, IMMUNOTHERAPY, HYPERTHERMIA, INDUCED etc.) that is given before the main therapy. Neoadjuvant Chemoradiation,Neoadjuvant Chemoradiation Therapy,Neoadjuvant Chemoradiation Treatment,Neoadjuvant Chemoradiotherapy,Neoadjuvant Chemotherapy,Neoadjuvant Chemotherapy Treatment,Neoadjuvant Radiation,Neoadjuvant Radiation Therapy,Neoadjuvant Radiation Treatment,Neoadjuvant Radiotherapy,Neoadjuvant Systemic Therapy,Neoadjuvant Systemic Treatment,Neoadjuvant Treatment,Chemoradiation Therapy, Neoadjuvant,Chemoradiation Treatment, Neoadjuvant,Chemoradiation, Neoadjuvant,Chemoradiotherapy, Neoadjuvant,Chemotherapy Treatment, Neoadjuvant,Chemotherapy, Neoadjuvant,Neoadjuvant Chemoradiation Therapies,Neoadjuvant Chemoradiation Treatments,Neoadjuvant Chemoradiations,Neoadjuvant Chemoradiotherapies,Neoadjuvant Chemotherapies,Neoadjuvant Chemotherapy Treatments,Neoadjuvant Radiation Therapies,Neoadjuvant Radiation Treatments,Neoadjuvant Radiations,Neoadjuvant Radiotherapies,Neoadjuvant Systemic Therapies,Neoadjuvant Systemic Treatments,Neoadjuvant Therapies,Neoadjuvant Treatments,Radiation Therapy, Neoadjuvant,Radiation Treatment, Neoadjuvant,Radiation, Neoadjuvant,Radiotherapy, Neoadjuvant,Systemic Therapy, Neoadjuvant,Systemic Treatment, Neoadjuvant,Therapy, Neoadjuvant,Therapy, Neoadjuvant Chemoradiation,Therapy, Neoadjuvant Radiation,Therapy, Neoadjuvant Systemic,Treatment, Neoadjuvant,Treatment, Neoadjuvant Chemoradiation,Treatment, Neoadjuvant Chemotherapy,Treatment, Neoadjuvant Radiation,Treatment, Neoadjuvant Systemic
D064726 Triple Negative Breast Neoplasms Breast neoplasms that do not express ESTROGEN RECEPTORS; PROGESTERONE RECEPTORS; and do not overexpress the NEU RECEPTOR/HER-2 PROTO-ONCOGENE PROTEIN. ER-Negative PR-Negative HER2-Negative Breast Cancer,ER-Negative PR-Negative HER2-Negative Breast Neoplasms,Triple Negative Breast Cancer,Triple-Negative Breast Cancer,Triple-Negative Breast Neoplasm,Breast Cancer, Triple-Negative,Breast Cancers, Triple-Negative,Breast Neoplasm, Triple-Negative,Breast Neoplasms, Triple-Negative,ER Negative PR Negative HER2 Negative Breast Cancer,ER Negative PR Negative HER2 Negative Breast Neoplasms,Triple Negative Breast Neoplasm,Triple-Negative Breast Cancers,Triple-Negative Breast Neoplasms

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