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Spots Global Cancer Trial Database for Comparative Study of Neoadjuvant Chemotherapy With and Without Zometa for Management of Locally Advanced Breast Cancers

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Trial Identification

Brief Title: Comparative Study of Neoadjuvant Chemotherapy With and Without Zometa for Management of Locally Advanced Breast Cancers

Official Title: Comparative Study of Neoadjuvant Chemotherapy With and Without Zometa for Management of Locally Advanced Breast Cancers

Study ID: NCT01367288

Study Description

Brief Summary: Breast cancer is the leading female cancer by a very wide margin in France. Despite widespread breast cancer screening, many cases of breast cancer are discovered at a locally advanced stage. The tumoral consequences of a cancer size greater than 3 cm are: increased risk of metastasis and death and, most often, impossibility of performing breast-conserving surgery (a mastectomy is usually advisable in case of a first surgical procedure). It is increasingly recommended to treat locally advanced breast cancers with neoadjuvant chemotherapy. Very numerous studies have shown that by proceeding that way, the oncologic prognosis was not harmed and, on the contrary, it was possible to obtain sufficient tumor response to allow breast-conserving treatment in more than 60% of cases. The use of zoledronic acid (Zometa) has an established place in the management of malignancies with a predilection for skeletal involvement (in particular metastasis). Although the main target of biphosphonates is the osteoclast, there is also preclinical data indicating that biphosphonates can have effects on cells other than osteoclasts, including tumor cells. Anti-tumor activity including inhibition of tumor cell growth and induction of tumor cell apoptosis, inhibition of tumor cell adhesion and invasion, and anti-angiogenic effects have been demonstrated. In addition several in vitro studies have shown that Zometa causes synergistic induction of breast cancer cell apoptosis when combined with clinically relevant concentrations of chemotherapy drugs such as paclitaxel and doxorubicin. Therefore testing of combinations of biphosphonates with these agents in breast cancer is of significant interest. In the context of locally advanced breast cancers, the combination of a bisphosphonate with neoadjuvant chemotherapy appears to have an important potential: preventing possible bone metastases, but also possibly amplifying the efficacy of the chemotherapy's tumoricidal activity, both on the primary tumor and on potential metastatic localizations. So it appears that, the use of bisphosphonates in a neoadjuvant situation presents a potentially favorable benefit-risk ratio. That is why we are proposing to perform a prospective randomized multicenter comparative study to evaluate 2 systemic neoadjuvant treatments, one with Zometa and the other without Zometa, in patients with locally advanced breast cancer. Zometa will be administered according to the usual administration procedure: one infusion every 3 weeks. The therapeutic response will be evaluated by studying the different biological markers (circulating blood and bone marrow tumor cells, serum cell apoptosis and neoangiogenesis markers, bone resorption markers, etc.), but also by analyzing clinical, radiologic, and histologic response and by breast conservation rates. The impact of other factors that may affect therapeutic response will be taken into account: aggressivity of the tumor, presence or absence of tumor receptors, tumor stage, etc. The purpose of the study is to show a marked benefit of treatment with Zometa in managing locally advanced breast cancers with synergistic action of the neoadjuvant chemotherapy and improvement in the laboratory parameters of tumor aggressivity. These markers will be used as surrogate markers of long term outcome.

Detailed Description:

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: FEMALE

Healthy Volunteers: No

Locations

Hopital Femme Mère Enfant, Service de Gynécologie, BRON Cedex, , France

Contact Details

Name: Patrice Mathevet, Professor

Affiliation: Hospices Civils de Lyon

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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