- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01746225
Schedules of Nab-Paclitaxel in Metastatic Breast Cancer (SNAP)
A Randomized Phase II Study Evaluating Different Schedules of Nab-Paclitaxel in Metastatic Breast Cancer (SNAP Trial)
Longer first line chemotherapy duration has recently been associated with a modest, but significant improvement in overall survival and a clinically meaningful and statistically significant improvement in progression-free survival, in metastatic breast cancer patients. Prolonging chemotherapy until disease progression, however, must be weighed against the detrimental effects of continuous chemotherapy delivery. The SNAP trial seeks to improve the tolerability of prolonged chemotherapy administration strategy by studying alternative treatment schedules, while preserving and possibly improving treatment efficacy in this disease setting.
The availability of a new nanoparticle albumin-bound taxane, nab-Paclitaxel (Abraxane®), represents an opportunity to test this hypothesis. Nab-Paclitaxel has been developed in an attempt to reduce the toxicity associated with standard taxane administration (caused by the use of chemical solvents) while increasing antitumor efficacy.
The SNAP randomized phase II trial evaluates three schedules of nab-Paclitaxel as prolonged chemotherapy administration strategy. Each of three arms will be compared to a historical reference of seven-month median progression-free survival (PFS) based on the most recent trial with docetaxel as control arm to determine whether any of the three arms are worthy of further investigation.
Study Overview
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Liège, Belgium, 4000
- CHR de la Citadelle, Oncology-Haematology Unit
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Liège, Belgium, 4000
- CHU Sart Tilman, Medical Oncology
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Verviers, Belgium, 4800
- Centre Hospitalier Peltzer-La Tourelle, Department of Clinical Cancerology
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Cork, Ireland
- Cork University Hospital
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Cork, Ireland
- Bon Secours
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Dublin, Ireland
- Beaumont Hospital
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Dublin, Ireland
- Mater Misericordiae University Hospital
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Dublin, Ireland
- St James's Hospital
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Dublin, Ireland
- St Vincent's University Hospital
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Dublin, Ireland
- Mater Private Hospital
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Galway, Ireland
- University Hospital Galway
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Limerick, Ireland
- Mid-Western Regional Hospital
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Waterford, Ireland
- Waterford Regional Hospital
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Alessandria, Italy, 15121
- Azienda Ospedaliera SS Antonio e Biagio
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Biella, Italy, 13900
- Ospedale degli Infermi
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Castellanza, Italy, 21053
- IRCCS Multimedica
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Genova, Italy, 16128
- E.O. Ospedali Galliera
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Milano, Italy
- Istituto Europeo di Oncologia (IEO)
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Modena, Italy, 41012
- Uo Medicina Ocologica Ospedale Di Carpri e Mirandola, Azienda USL di Modena
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Pavia, Italy, 27100
- Fondazione Salvatore Maugeri
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Rimini, Italy, 47923
- U.O. Oncologia, AUSL Rimini
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Roma, Italy, 00161
- Università degli Studi di Roma La Sapienza
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Udine, Italy, 33100
- Azienda Osp. Universitaria di Udine
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Varese, Italy, 21100
- Ospedale di Circolo e Fondatione Macchi
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Ljubljana, Slovenia, 1000
- Institute of Oncology
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Barcelona, Spain
- Hospital Universitari Vall d'Hebron
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Castelló, Spain, 12002
- Consorcop Hospitalario Provincial De Castellon
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Lleida, Spain, 25198
- Hospital Universitari Arnau de Vilanova de Lleida
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Tarragona, Spain, 43204
- Hospital Universitari Sant Joan de Reus
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Zaragoza, Spain, 50009
- Hospital Universitario Lozano Blesa De Zaragoza
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Aarau, Switzerland, 5001
- Kantonsspital Aarau
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Basel, Switzerland, 4031
- Universitätsspital Basel
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Bellinzona, Switzerland, 6500
- Instituto Oncologico Della Svizzera Italiana
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Bern, Switzerland, 3011
- Universitätsspital/ Inselspital Bern
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Biel, Switzerland, 2501
- Spitalzentrum Biel
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Chur, Switzerland, 7000
- Kantonsspital Graubünden
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Liestal, Switzerland, 4410
- Kantonsspital Baselland
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Luzern, Switzerland, 6000
- Luzerner Kantonsspital
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St. Gallen, Switzerland, 9007
- Kantonsspital St. Gallen
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Thun, Switzerland, 3600
- Onkologiezentrum Thun-Berner Oberland
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Winterthur, Switzerland, 8401
- Kantonsspital Winterthur
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Histologically or cytologically confirmed HER2-negative metastatic (stage IV) breast cancer.
- Measurable or non-measurable, but radiologically evaluable, disease according to RECIST 1.1 criteria.
- Female aged 18 years or older.
- Life expectancy > 3 months.
- Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1.
- Either ER-positive or ER-negative disease. Patients with ER-positive disease must be endocrine resistant, defined as having failed at least one prior endocrine therapy for breast cancer, or must be candidates for first-line chemotherapy.
- If previously treated with a taxane or anthracycline in the neoadjuvant or adjuvant setting, the period from end of treatment to disease recurrence must have been > 12 months (> 365 days).
- Radiation therapy, if given and regardless of site, must be completed at least 2 weeks prior to randomization.
- Normal hematologic status.
- Normal renal function.
- Normal liver function.
- Normal cardiac function.
- Women of childbearing potential: documented negative pregnancy test within 2 weeks prior to randomization, and acceptable birth control during the duration of the trial therapy and for a period of 6 months following the last administration of study drug.
- Written Informed Consent (IC) must be signed and dated by the patient and the Investigator prior to randomization.
- Completed baseline Quality of Life Form.
- The patient has been informed of and agrees to data transfer and handling, in accordance with national data protection guidelines.
- Availability of an formalin fixed paraffin embedded (FFPE) block from the primary tumor (breast lesion) for submission to central pathology review and for translational research.
- Written consent to pathology material submission, signed and dated by the patient and the Investigator prior to randomization.
Exclusion Criteria:
- Any prior chemotherapy for metastatic breast cancer.
- Presence of central nervous system (CNS) metastasis.
- Peripheral neuropathy grade 2 or higher (CTCAE version 4).
- Significant uncontrolled cardiac disease (i.e. unstable angina, recent myocardial infarction within prior 6 months), patients classified as having a New York Heart Association (NYHA) class III or IV congestive heart failure.
- Pregnant or lactating.
- Prior history of non-breast malignancy (except for adequately controlled basal cell carcinoma of the skin, carcinoma in situ of the cervix, in situ carcinoma of the bladder).
- Any concurrent condition which in the Investigator's opinion makes it inappropriate for the patient to participate in the trial or which would jeopardize compliance with the protocol.
- Contraindications or known hypersensitivity to the study medication or excipients.
- The use of any anti-cancer investigational agents within 30 days prior to expected start of trial treatment.
- Inability or unwillingness to abide by the study protocol or cooperate fully with the Investigator.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: A: nab-Paclitaxel 150 mg/m2 days 1,15
Arm A: Induction* nab-Paclitaxel 125 mg/m2 on days 1,8,15 every 28 days for 3 cycles followed by maintenance nab-Paclitaxel 150 mg/m2 administered on days 1, 15 of each 28-day cycle (total 300mg/m2 per cycle) until progression or unacceptable toxicity. *Following Amendment 1, the dose in the induction phase dose in all three arms was reduced to 125 mg/m² from 150 mg/m². |
Induction phase: 3 cycles of nab-Paclitaxel days 1, 8, 15.
Maintenance phase with three maintenance schedules of nab-Paclitaxel (same total dose per cycle, different number of administrations)
Other Names:
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Experimental: B: nab-Paclitaxel 100 mg/m2 days 1,8,15
Arm B: Induction* nab-Paclitaxel 125 mg/m2 on days 1,8,15 every 28 days for 3 cycles followed by maintenance nab-Paclitaxel 100 mg/m2 administered on days 1, 8, 15 of each 28-day cycle (total 300mg/m2 per cycle) until progression or unacceptable toxicity. *Following Amendment 1, the dose in the induction phase dose in all three arms was reduced to 125 mg/m² from 150 mg/m². |
Induction phase: 3 cycles of nab-Paclitaxel days 1, 8, 15.
Maintenance phase with three maintenance schedules of nab-Paclitaxel (same total dose per cycle, different number of administrations)
Other Names:
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Experimental: C: nab-Paclitaxel 75 mg/m2 days 1,8,15,22
Arm C: Induction* nab-Paclitaxel 125 mg/m2 on days 1,8,15 every 28 days for 3 cycles followed by maintenance nab-Paclitaxel 75 mg/m2 administered on days 1, 8, 15, 22 of each 28-day cycle (total 300mg/m2 per cycle) until progression or unacceptable toxicity. *Following Amendment 1, the dose in the induction phase dose in all three arms was reduced to 125 mg/m² from 150 mg/m². |
Induction phase: 3 cycles of nab-Paclitaxel days 1, 8, 15.
Maintenance phase with three maintenance schedules of nab-Paclitaxel (same total dose per cycle, different number of administrations)
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Progression-free Survival
Time Frame: Reported after 18.2 months median follow-up since randomization
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Time from randomization until objective disease progression [progression is defined using Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0), as a 20% increase in the sum of the longest diameter of target lesions, or a measurable increase in a non-target lesion, or the appearance of new lesions] or death, whichever occurs first.
For patients without progression, follow-up was censored at the date of last disease assessment without progression, unless death occurred within a short period of time (12 weeks) following the date last known progression-free, in which case the death was counted as a PFS event.
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Reported after 18.2 months median follow-up since randomization
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Feasibility of Treatment: Number of Participants Completed Treatment According to the Protocol for at Least 24 Weeks
Time Frame: Baseline to 24 weeks follow-up
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Whether or not the patient completed treatment according to the protocol for at least 24 weeks.
Patients who progressed within 24 weeks were considered as not completing.
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Baseline to 24 weeks follow-up
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Disease Control: Overall Response of Stable Disease for a Duration of ≥24 Weeks
Time Frame: From date of randomization until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 18 months
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Overall response of stable disease (or non-CR/non-PD for patients with non-measurable disease) for a duration of ≥24 weeks, or better (i.e., partial or complete response) according to RECIST criteria [Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0) for target lesions and assessed by MRI: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), >=30% decrease in the sum of the longest diameter of target lesions; Overall Response (OR) = CR + PR.]
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From date of randomization until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 18 months
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Best Overall Response
Time Frame: From date of randomization until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 18 months
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Best response according to RECIST 1.1 criteria [assessed by MRI] recorded from the start of treatment across all time points until end of study treatment.
Confirmation of partial or complete response by an additional scan was not requested in this trial.
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From date of randomization until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 18 months
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Overall Survival
Time Frame: Reported after 18.2 months median follow-up since randomization
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Time from randomization until death from any cause, or censored at date last known alive
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Reported after 18.2 months median follow-up since randomization
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Changes in Physical Well-being (Change From Day 1 of Cycle 4 to Day 1 of Cycle 6)
Time Frame: Assessed from day 1 of cycle 4 through day 1 of cycle 12
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Primary quality of life=physical well being; endpoint based on the GLQ 8.
The indicator was in Linear Analogue Self-Assessment (LASA) format ranging 0-100 (0=as bad as it can be, 100=as good as it can be).
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Assessed from day 1 of cycle 4 through day 1 of cycle 12
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Study Chair: Alessandra Gennari, MD, Division of Medical Oncology, E.O. Galliera, Genoa, Italy
- Study Chair: Guy Jerusalem, MD, PhD, CHU Sart Tilman and University of Liège, Liège, Belgium
Publications and helpful links
General Publications
- Chia SK, Speers CH, D'yachkova Y, Kang A, Malfair-Taylor S, Barnett J, Coldman A, Gelmon KA, O'reilly SE, Olivotto IA. The impact of new chemotherapeutic and hormone agents on survival in a population-based cohort of women with metastatic breast cancer. Cancer. 2007 Sep 1;110(5):973-9. doi: 10.1002/cncr.22867.
- Gennari A, Conte P, Rosso R, Orlandini C, Bruzzi P. Survival of metastatic breast carcinoma patients over a 20-year period: a retrospective analysis based on individual patient data from six consecutive studies. Cancer. 2005 Oct 15;104(8):1742-50. doi: 10.1002/cncr.21359.
- Andre F, Slimane K, Bachelot T, Dunant A, Namer M, Barrelier A, Kabbaj O, Spano JP, Marsiglia H, Rouzier R, Delaloge S, Spielmann M. Breast cancer with synchronous metastases: trends in survival during a 14-year period. J Clin Oncol. 2004 Aug 15;22(16):3302-8. doi: 10.1200/JCO.2004.08.095.
- Dawood S, Broglio K, Gonzalez-Angulo AM, Buzdar AU, Hortobagyi GN, Giordano SH. Trends in survival over the past two decades among white and black patients with newly diagnosed stage IV breast cancer. J Clin Oncol. 2008 Oct 20;26(30):4891-8. doi: 10.1200/JCO.2007.14.1168. Epub 2008 Aug 25.
- Gennari A, Sun Z, Hasler-Strub U, Colleoni M, Kennedy MJ, Von Moos R, Cortes J, Vidal MJ, Hennessy B, Walshe J, Parraga KA, Ribi K, Bernhard J, Murillo SM, Pagani O, Barbeaux A, Borstnar S, Rabaglio-Poretti M, Maibach R, Regan MM, Jerusalem G; International Breast Cancer Study Group, Cancer Trials Ireland and SOLTI Group. A randomized phase II study evaluating different maintenance schedules of nab-paclitaxel in the first-line treatment of metastatic breast cancer: final results of the IBCSG 42-12/BIG 2-12 SNAP trial. Ann Oncol. 2018 Mar 1;29(3):661-668. doi: 10.1093/annonc/mdx772.
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- IBCSG 42-12 / BIG 2-12
- 2012-003058-10 (EudraCT Number)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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