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Elevated cyclin D1 expression is predictive for a benefit from TPF induction chemotherapy in oral squamous cell carcinoma patients with advanced nodal disease.

ABSTRACT: Induction chemotherapy is likely to be effective for biologically distinct subgroups of patients with cancer with biomarker detection. To investigate the prognostic and predictive values of cyclin D1 expression in patients with oral squamous cell carcinoma (OSCC) who were treated in a prospective, randomized, phase III trial evaluating standard treatment with surgery and postoperative radiotherapy preceded or not by induction docetaxel, cisplatin, and 5-fluorouracil (TPF), immunohistochemical staining for cyclin D1 was conducted in pretreatment biopsy specimens of 232 out of 256 clinical stage III/IVA OSCC patients randomized to the clinical trial. Cyclin D1 index was estimated as the proportion of tumor cells with cyclin D1 nuclear staining. A low cyclin D1 expression predicted significantly better overall survival (OS; P = 0.001), disease-free survival (P = 0.005), locoregional recurrence-free survival (P = 0.003), and distant metastasis-free survival (DMFS; P = 0.002) compared with high cyclin D1 expression. Cyclin D1 expression levels were not predictive of benefit from induction TPF in the population overall. However, patients with nodal stage cN2 whose tumors had high cyclin D1 expression treated with TPF had significantly greater OS (P = 0.025) and DMFS (P = 0.025) when compared with high cyclin D1 cN2 patients treated with surgery upfront. Patients with low cyclin D1 level or patients with cN0 or cN1 disease did not benefit from induction chemotherapy. This study indicates that cN2 OSCC patients with high cyclin D1 expression can benefit from the addition of TPF induction chemotherapy to standard treatment. Cyclin D1 expression could be used as a biomarker in further validation studies to select cN2 patients that could benefit from induction therapy.

SUBMITTER: Zhong LP

PROVIDER: S-EPMC5247265 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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Elevated cyclin D1 expression is predictive for a benefit from TPF induction chemotherapy in oral squamous cell carcinoma patients with advanced nodal disease.

Zhong Lai-Ping LP Zhu Dong-Wang DW William William N WN Liu Ying Y Ma Jie J Yang Cheng-Zhe CZ Yang Xiao X Wang Li-Zhen LZ Li Jiang J Myers Jeffrey N JN Lee J Jack JJ Zhang Chen-Ping CP Zhang Zhi-Yuan ZY

Molecular cancer therapeutics 20130320 6

Induction chemotherapy is likely to be effective for biologically distinct subgroups of patients with cancer with biomarker detection. To investigate the prognostic and predictive values of cyclin D1 expression in patients with oral squamous cell carcinoma (OSCC) who were treated in a prospective, randomized, phase III trial evaluating standard treatment with surgery and postoperative radiotherapy preceded or not by induction docetaxel, cisplatin, and 5-fluorouracil (TPF), immunohistochemical st ...[more]

PMID: 23515614

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Project description:BackgroundThe rate of toxic deaths related to induction chemotherapy in the treatment of locally advanced head and neck cancers is unacceptable and calls into question this therapeutic strategy, which is however highly effective in terms of rate and speed of response. The purpose of the study was to investigate predictive factors of toxicity of induction chemotherapy with docetaxel, cisplatin, and 5-fluorouracil (TPF) in locally advanced head and neck cancers (LAHNC).MethodsBetween June 2009 and December 2017, 113 patients treated consecutively with TPF were included retrospectively. Patients were receiving induction chemotherapy for either an inoperable cancer or laryngeal preservation. For inoperable cancer, induction chemotherapy was proposed to patients presenting either a large tumor with strong symptoms (dyspnea, dysphagia, pain) or a tumor with rapid progression. Risk factors were chosen among the initial patient and tumour characteristics and chemotherapy modalities.ResultsEighty-nine patients (79%) were male; the median age was 58 years [32-71]. Sixty-nine (61%) patients were treated for inoperable cancer and 44 (39%) for laryngeal preservation. 45% had stage IVa cancer, 28% stage III and 25% stage IVb. Sixty percent of patients had a partial response after TPF, 22% had a complete response, 12% were stable, 5% were progressing, and 1% had a discordant response. Thirty-four patients (30%) received enteral feeding during induction chemotherapy with TPF. The possibility of oral feeding without a tube was predictive of a better response (p = 0.003). Seven (6%) patients died during TPF. There was an increased risk of death with preexisting liver dysfunction (liver dysmorphia on imaging or decrease prothrombin rate) (p = 0.032). There was an increased risk of grade ≥ 3 infection if an enteral feeding occurred during the period of induction chemotherapy (p = 0.03).ConclusionsTPF induction chemotherapy had an 82% objective response rate with 6% toxic deaths. Nutritional status and the presence of hepatic dysfunction are significant risk factors to be taken into account in therapeutic decisions.

Project description:Induction chemotherapy has been previously demonstrated to downgrade locally advanced or aggressive cancers and increase the likelihood of primary lesion eradication. Based on our previous phase 3 trial on TPF (docetaxel, cisplatin and fluorouracil) induction chemotherapy in patients with oral squamous cell carcinoma (OSCC), in which short-term prognostic and predictive values of cyclin D1 expression were reported, the present study aimed to determine the long-term predictive value of cyclin D1 expression in the same patients with OSCC who were eligible to receive TPF induction chemotherapy. In addition, the present study investigated the potential association between cyclin D1 expression and chemosensitivity to TPF agents during OSCC cell intervention, and the underlying apoptotic mechanism of action. In total, 232 patients with locally advanced OSCC from our previous trial with a median follow-up of 5 years were included for survival analysis using the Kaplan-Meier method and the log-rank test in the present study, where cyclin D1 expression in their tissues was detected by immunohistochemistry. Cyclin D1 knockdown, cytotoxicity assays assessing the efficacy of the TPF chemotherapeutic agents and measurements of caspase-3 and PARP activity in HB96, CAL27 and HN30 cell lines were performed. Patients with OSCC in the low cyclin D1 expression group exhibited significantly superior long-term clinical outcomes compared with those in patients in the high cyclin D1 expression group [overall survival (OS), P=0.001; disease-free survival, P=0.003; local recurrence-free survival, P=0.004; distant metastasis-free survival (DMFS), P=0.001]. Furthermore, patients with stage clinical nodal stage 2 (cN2) OSCC in the high cyclin D1 expression group benefitted from TPF induction chemotherapy (OS, P=0.024; DMFS, P=0.024), whilst patients with cN2 OSCC in the low cyclin D1 expression group did not benefit from this chemotherapy. Overexpression of cyclin D1 expression was found to enhance chemosensitivity to TPF chemotherapeutic agents in OSCC by mediating caspase-3-dependent apoptosis. Based on these findings, TPF induction chemotherapy can benefit patients with cN2 OSCC and high cyclin D1 expression in terms of long-term survival from compared with standard treatment. In addition, OSCC cell lines overexpressing cyclin D1 are more sensitive to TPF chemotherapeutic agents in a caspase-3-dependent manner (clinical trial. no. NCT01542931; February 2012).

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Elevated cyclin D1 expression is predictive for a benefit from TPF induction chemotherapy in oral squamous cell carcinoma patients with advanced nodal disease.

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Elevated cyclin D1 expression is predictive for a benefit from TPF induction chemotherapy in oral squamous cell carcinoma patients with advanced nodal disease.

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