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Prospective clinical study on efficacy and safety of zoledronic acid in adjuvant therapy for malignant phyllodes tumors of the breast

Prospective clinical study on efficacy and safety of zoledronic acid in adjuvant therapy for malignant phyllodes tumors of the breast

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR1800017822
Enrollment
Unknown
Registered
2018-08-16
Start date
2018-10-08
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Malignant Phyllodes Tumor

Interventions

Experimental group:receive 4 mg Zoledronic acid intravenously once a month, for 2 years

Sponsors

Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
12 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Signed the informed consent; 2. Patients with histological diagnosed operable breast malignant phyllodes tumors without distant metastasis; 3. Has not received bisphosphonate treatment before; 4. The patient was diagnosed with breast malignant phyllodes tumors and received extensive resection or mastectomy: (extensive resection requires a surgical margin greater than or equal to 1cm, and the narrowing of the surgical margin increases the risk of local recurrence. However, if lumpectomy does not achieve a margin width greater than or equal to 1cm, it is not an absolute contraindication to mastectomy.); 5. Cardiac ultrasound indicated that the cardiac ejection fraction was in the normal range; 6. Eastern Cooperative Oncology Group (ECOG) performance status of 0-2; 7. Female aged between 12 and 70 years; 8. Women with negative pregnancy test and women of reproductive age accept contraception in the test; 9. Patients with good organ function and are not contraindicated with azolidronic acid and meet the following indicators: Hb >= 90 g/L; WBC >= 4.0 x 10^9/L; Platelet >= 100 x 10^9/L; Neutrophilic granulocytes >= 1.5×10^9/L; AST and ALT no more than 3 times the normal upper limit; Bilirubin no more than 1.5 times the normal upper limit; Serum creatinine than 30ml/min.

Exclusion criteria

Exclusion criteria: 1. Patients suffering from oral diseases (periodontal disease, exostosis, oral trauma, etc.); 2. Diabetes, or patients who need to use angiogenesis inhibitors and hormone therapy; 3. Complicated with other malignant tumors or have had other malignant tumors in the past 5 years, except for skin basal cell carcinoma or flat cell carcinoma that has been fully treated and controlled, and carcinoma in situ of the cervix; 4. Serious diseases combined with non-malignant tumors will affect the patient's compliance or put the patient in a dangerous state; 5. Accompanied by other anti-tumor therapies or participating in other clinical trials; 6. Patients diagnosed with metastatic breast phyllodes tumor; 7. Pregnant or breastfeeding women and women of reproductive age refuse to accept contraception; 8. Dementia, intellectual abnormality or any mental illness that interferes with the understanding of informed consent; 9. Severe liver dysfunction, child-pugh grade C, and or severe cardiac insufficiency, cardiac function grade III and above; 10. Patients with arrhythmia or taking anti-arrhythmia drugs; 11. Patients allergic to zoledronic acid and other bisphosphonates.

Design outcomes

Primary

MeasureTime frame
3-year disease-free survival;

Secondary

MeasureTime frame
5-year disease-free survival;3-year overall survival;5-year overall survival;incidence of adverse events of zoledronic acid;

Countries

China

Contacts

Public ContactYan Nie

SunYat-Sen Memorial Hospital, SunYat-Sen University

nieyan7@mail.sysu.edu.cn+86 158 7653 5276

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 9, 2026