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Trial registered on ANZCTR
Registration number
ACTRN12606000191594
Ethics application status
Approved
Date submitted
11/04/2006
Date registered
24/05/2006
Date last updated
17/09/2023
Date data sharing statement initially provided
20/02/2023
Date results provided
20/02/2023
Type of registration
Prospectively registered
Titles & IDs
Public title
ANZ 0502 Neoadjuvant Gemcitabine
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Scientific title
A phase II trial evaluating the efficacy and safety of epirubicin and cyclophosphamide (EC) followed by docetaxel and gemcitabine (DG) (+ trastuzumab if HER2 positive) as neoadjuvant chemotherapy for women with large operable or locally advanced breast carcinoma
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Secondary ID [1]
285152
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ANZ 0502
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Universal Trial Number (UTN)
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Trial acronym
ANZ 0502 NeoGem
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Large operable, or locally advanced breast carcinoma.
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Condition category
Condition code
Cancer
1251
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Breast
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
All patients will receive 4 cycles of epirubicin (90mg/m2, IV, Day 1) and cyclophosphamide (600mg/m2 IV, Day 1) followed by 4 cycles of Taxotereâ„¢ (docetaxel, 75mg/m2, IV, Day 1) and Gemzar® (gemcitabine, 1000mg/m2 IV, Days 1 & 8), with the addition of Herceptin® (trastuzumab) if the tumour is HER2 positive (trastuzumab: Cycle 1: 4mg/kg IV day 1, 2mg/kg IV day 8 & 15; Cycles 2-4, 2mg/kg IV day 1, 8 & 15; 6mg/kg IV day 22 of Cycle 4). Trastuzumab will be given for a total duration of one year (13 x 3 weekly cycles).
Larger operable and locally advanced tumours are associated with a poorer prognosis and a high risk of micrometastatic disease and require aggressive multimodality therapy. Anthracycline-based chemotherapy remains the core of most pre or postoperative chemotherapy regimens for early or locally advanced breast cancer unless contraindicated. Given promising data, including the established benefit of docetaxel in the adjuvant setting and the use of gemcitabine in metastatic breast cancer, suggesting non-cross resistance and synergy with the taxanes, a phase II study consisting of 4 cycles of epirubicin and cyclophosphamide followed by 4 cycles of docetaxel (day 1) and gemcitabine (day 1 & 8) each cycle delivered every three weeks is proposed. For patients with HER2 overexpressing breast cancer, the addition of trastuzumab to the docetaxel and gemcitabine treatment cycles aims to maximize synergy seen between all three agents and minimize cardiac toxicity. These regimens aim to maximize the pathologic complete response rate (pCR) rate which may translate into a survival benefit in the long term. Breast cancer tissue will also be obtained to correlate clinical and pathologic response with changes in molecular parameters.
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Intervention code [1]
934
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Treatment: Drugs
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Comparator / control treatment
No comparator.
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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To determine the pathologic complete response rate of the primary tumour in the breast (pCR) after epirubicin and cyclophosphamide (EC) followed by docetaxel and gemcitabine (DG) neoadjuvant chemotherapy in non-HER2 overexpressing breast cancer. Pathologic complete response is defined as no evidence of invasive tumour remaining in the breast at surgery following completion of chemotherapy.
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Assessment method [1]
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Timepoint [1]
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Pathologic complete response will be measured after patients complete EC x 4 cycles, followed by DG/DGH x 4 cycles and at the completion of chemotherapy, following surgical resection.
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Primary outcome [2]
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To determine the pathologic complete response rate of the primary tumour in the breast (pCR) after epirubicin and cyclophosphamide (EC) followed by docetaxel, gemcitabine and trastuzumab (DGH) neoadjuvant chemotherapy in HER2 overexpressing breast cancer (immunohistochemical staining 3+ or fluorescent in situ hybridization positive). Pathologic complete response is defined as no evidence of invasive tumour remaining in the breast at surgery following completion of chemotherapy.
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Assessment method [2]
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Timepoint [2]
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Pathologic complete response will be measured after patients complete EC x 4 cycles, followed by DG/DGH x 4 cycles and at the completion of chemotherapy, following surgical resection.
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Secondary outcome [1]
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To determine the clinical (assessed by palpation) and radiological (assessed by ultrasound) response rate, defined as disappearance of disease in the breast and axillary lymph nodes following 4 cycles of EC and 4 cycles of DG/DGH. To determine the safety profile of neoadjuvant EC followed by DG/DGH. To determine disease free and overall survival of patients during 24 months participation in the study. To document the sentinel node biopsy outcomes at the time of definitive surgery.
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Assessment method [1]
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Timepoint [1]
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Clinical tumour assessments will be performed during each cycle of chemotherapy (three weekly). Radiological tumour assesments will be conducted before treatment, after participants have completed four cycles of chemotherapy (Epirubicin and Cyclophosphamide), and after completion of all chemothrapy treatment, prior to surgery. Sentinel node biopsy assessment will be conducted at the time of surgery, participants undergoing sentinel node biopsy will have an axillary disection as the same time to validate the sentinel node biopys outcomes. Disease free and overall survial assessments will be undertaken three monthly for a total of 18 months, following the completion of chemotherapy and surgery
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Secondary outcome [2]
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All patients will be evaluable for toxicity from the time of their first treatment with chemotherapy. Expected toxicities and efficacy will be reviewed by the ANZ BCTG Independent Data Monitoring Committee (IDMC).
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Assessment method [2]
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Timepoint [2]
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Treatment toxicity outcomes will be assessed during each chemotherapy cycle (three weekly).
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Secondary outcome [3]
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Expected toxicities to be considered by the IDMC will be grade III/IV non haematological toxicity excluding alopecia, infection, nausea and vomiting, any grade. Grade II pneumonitis and grade III/IV cardiac events (congestive cardiac failure, cardiac death). The expected rates are 20% grade III/IV non haematological toxicities, 5% grade II pneumonitis and 4% grade III/IV cardiac events. If, after 20 patients have completed 8 cycles of treatment, one grade III cardiac event, two grade II incidences of pneumonitis and five grade III incidences of non-haematological toxicity occur this would trigger a review of the study by the IDMC.
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Assessment method [3]
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Timepoint [3]
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Toxicity rates will be monitored after 20, 30 and 40 patients have completed at least 8 cycles of chemotherapy. The specific timing of these IDSMC reviews will be dependent on the time taken to recruit 20, 30 and 40 participants to the trial.
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Eligibility
Key inclusion criteria
Female patients with a confirmed new diagnosis of unilateral, operable primary breast cancer, (clinically and/or on ultrasound), T2 (=3cm only), T3-4, N0-1, M0, diagnosed by core biopsy. The disease must be considered operable at first presentation. HER2 expression must be determined using either immunohistochemistry or FISH.• Patients with HER2 negative breast cancer must have a measured left ventricular ejection fraction of = 50% with MUGA or echocardiogram. Patients with HER2 positive breast cancer must have a measured left ventricular ejection fraction of = 55% with MUGA or echocardiogram.• No prior chemotherapy or hormonal therapy for breast cancer or other invasive cancer.• Adequate bone marrow, hepatic and renal function• ECOG performance status of 0, 1 or 2.• Women of child-bearing potential must have a negative pregnancy test and agree to use an accepted and effective method of non-hormonal contraception (barrier method of birth control; abstinence).• An ability to understand and the willingness to sign a written informed consent document.• Patients must be accessible for follow-up.• Patients must be informed of and agree to data and tissue material transfer and handling, in accordance with national data protection guidelines.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Prior chemotherapy or hormonal therapy for breast cancer or other invasive cancer.• Patients with inoperable, or inflammatory or metastatic breast cancer.• History of an active malignancy other than in situ carcinoma of the cervix, or non-melanomatous skin cancers in the last five years prior to registration to the study.• Patients may not be receiving any other investigational agents.• Congestive heart failure (New York Heart Association (NYHA) Class III-IV) or history of congestive failure, unstable angina pectoris, myocardial infarction in the last 6 months, poorly controlled hypertension (systolic >180 mmHg or diastolic > 100 mmHg), clinically significant valvular disease, or high risk uncontrolled arrhythmias. • History of significant neurologic or psychiatric disorders including psychotic disorders, dementia or seizures that would prohibit the understanding and giving of informed consent.• Patients with dyspnoea at rest due to malignant or other disease or who require supportive oxygen therapy. • Patients who are pregnant or lactating at the time of registration to the trial. • Any active uncontrolled infection.• Any other medical condition which the investigator’s opinion makes the subject unsuitable for study participation.• Patients with a history of hypersensitivity reaction to products containing Polysorbate 80 (Tween).
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Patient eligibility will be determined by the investigator before registration to the study. The investigator or an authorized member of the trial team at the participating institution will contact the ANZBCTG Statistical Centre to register the patient and obtain the patient registration number. Patient registration numbers will be allocated sequentially as subjects enter the trial. Patients will be allocated to one of two treatment arms passed on HER2 status.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 2
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Type of endpoint/s
Safety/efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Stopped early
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Data analysis
Data analysis is complete
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Reason for early stopping/withdrawal
Participant recruitment difficulties
Safety concerns
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Date of first participant enrolment
Anticipated
1/06/2006
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Actual
30/08/2006
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Date of last participant enrolment
Anticipated
1/06/2008
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Actual
16/04/2009
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Date of last data collection
Anticipated
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Actual
15/02/2011
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Sample size
Target
147
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Accrual to date
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Final
81
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Recruitment in Australia
Recruitment state(s)
NSW,VIC,QLD
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Recruitment outside Australia
Country [1]
291
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New Zealand
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State/province [1]
291
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Christchurch
Wellington
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Funding & Sponsors
Funding source category [1]
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Self funded/Unfunded
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Name [1]
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Australia and New Zealand Breast Cancer Trials Group
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Address [1]
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PO Box 155
HRMC NSW 2310
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Country [1]
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Australia
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Primary sponsor type
Other Collaborative groups
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Name
ANZ Breast Cancer Trials Group Ltd.
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Address
PO Box 155
HRMC NSW 2310
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
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Nil
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Address [1]
1205
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Country [1]
1205
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Royal Brisbane and Women's Hospital and Health Service District Office of the Human Research Ethics Committee
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Ethics committee address [1]
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Royal Brisbane and Women's Hospital, Herston Rd, Herston, QLD 4029
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Ethics committee country [1]
6081
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Australia
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Date submitted for ethics approval [1]
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10/04/2006
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Approval date [1]
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14/07/2006
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Ethics approval number [1]
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2006/065
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Summary
Brief summary
The ANZ 0502 (Neo Gem) clinical trial is conducted by the Australian New Zealand Breast Cancer Trials Group (ANZ BCTG) in a number of hospitals in Australia and New Zealand. The trial is for women with newly diagnosed large operable breast cancer or locally advanced breast cancer - which often involves the lymph nodes under the armpit (axillary nodes). Larger operable and locally advanced breast cancers are associated with a poorer prognosis and higher risk of micometastatic disease. Standard treatment for this type of breast cancer usually includes chemotherapy to try to reduce the size of the cancer, followed by surgery and radiation therapy to treat any remaining cancer in the breast. Whilst this treatment is successful in removing the cancer from the breast in the majority of patients, there is a significant risk of the cancer recurring. The treatment in this trial will involve a course of standard chemotherapy (epirubicin and cyclophosphamide) followed by a course of two newer chemotherapy drugs for breast cancer (docetaxel and gemcitabine), followed by surgery. The delivery of chemotherapy prior to surgery offers the potential to substantially reduce the size of primary breast tumours and allow for breast-conserving surgery or surgical resection of previously inoperable tumours. It is hoped to also reduce the risk of recurrence of the breast cancer. The trial includes provision for patients with breast cancer tumours which overexpress HER2, by adding trastuzumab (Herceptin) to the docetaxel and gemcitabine (DGH) treatment cycles in order to maximise the efficacy of all three agents.
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Trial website
http://wwww.anzbctg.org
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Trial related presentations / publications
McCarthy N, Boyle F, Zdenkowski N, Bull J, Leong E, Simpson A, Kannourakis G, Francis PA, Chirgwin J, Abdi E, Gebski V, Veillard AS, Zannino D, Wilcken N, Reaby L, Lindsay DF, Badger HD, Forbes JF, on behalf of the Australia and New Zealand Breast Cancer Trials Group. Neoadjuvant chemotherapy with sequential anthracycline-docetaxel with gemcitabine for large operable or locally advanced breast cancer: ANZ 0502 (NeoGem). The Breast 2014. 23:142-151
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Public notes
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Contacts
Principal investigator
Name
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A/Prof Nicole McCarthy
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Address
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Icon Cancer Care Wesley
Level 1, Wesley Medical Centre
40 Chasely Street
Auchenflower QLD 4066
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Country
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Australia
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Phone
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+61 (07) 3737 4636
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Fax
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Email
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[email protected]
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Contact person for public queries
Name
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John Forbes
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Address
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ANZBCTG
PO Box 283
The Junction NSW 2291
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Country
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Australia
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Phone
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+61 2 4925 3068
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Fax
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+61 2 49850141
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Email
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[email protected]
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Contact person for scientific queries
Name
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John Forbes
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Address
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ANZBCTG
PO Box 283
The Junction NSW 2291
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Country
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Australia
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Phone
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+61 2 4925 3068
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Fax
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+61 2 4985 0141
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Email
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
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What data in particular will be shared?
Anonymised Individual Patient Data (IPD) collected during the trial. The specific IPD to be shared (e.g. all data, published data, data of primary outcomes) will be as per the submitted research proposal and as assessed as appropriate by BCT.
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When will data be available (start and end dates)?
Data will be made available for request after publication of the main/final study results; no end date.
Note that there may be additional circumstances preventing BCT from sharing requested data as outlined in the BCT Data Sharing Guidelines.
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Available to whom?
Researchers who submit a research proposal and BCT Data Request Application, which is assessed by BCT to have appropriate scientific value. Refer to the BCT Data Sharing Guidelines
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Available for what types of analyses?
To achieve the aims in the approved proposal.
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How or where can data be obtained?
Subject to approval by Breast Cancer Trials
[email protected]
(refer to BCT Data Sharing Guidelines).
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What supporting documents are/will be available?
No Supporting Document Provided
Doc. No.
Type
Citation
Link
Email
Other Details
Attachment
18390
Other
https://researchdata.edu.au/a-phase-ii-0502-neogem/2538177
BCT Data Sharing Guidelines
1157-(Uploaded-18-08-2023-13-50-55)-Study-related document.pdf
20370
Study protocol
https://doi.org/10.58080/456k-n112
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Data dictionary
https://doi.org/10.58080/456k-n112
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
Source
Title
Year of Publication
DOI
Dimensions AI
Neoadjuvant chemotherapy with sequential anthracycline–docetaxel with gemcitabine for large operable or locally advanced breast cancer: ANZ 0502 (NeoGem)
2014
https://doi.org/10.1016/j.breast.2013.12.001
N.B. These documents automatically identified may not have been verified by the study sponsor.
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