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The Pathways Study: a prospective study of breast cancer survivorship within Kaiser Permanente Northern California

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Abstract

Objective

With 2.3 million breast cancer survivors in the US today, identification of modifiable factors associated with breast cancer recurrence and survival is increasingly important. Only recently new studies have been designed to examine the impact of lifestyle factors on prognosis, including Pathways, a prospective study of women with breast cancer in Kaiser Permanente Northern California (KPNC).

Methods

Pathways aims to examine the effect on recurrence and survival of (1) lifestyle factors such as diet, physical activity, quality of life, and use of alternative therapies and (2) molecular factors such as genetic polymorphisms involved in metabolism of chemotherapeutic agents. Eligibility includes any woman diagnosed with invasive breast cancer within KPNC, no previous diagnosis of other invasive cancer, age 21 years or older, and ability to speak English, Spanish, Cantonese, or Mandarin. Newly diagnosed patients are identified daily from electronic pathology records and are enrolled within two months of diagnosis. An extensive baseline interview is conducted, blood and saliva samples are collected, and body measurements are taken. Women are followed for lifestyle updates, treatment, and outcomes by self-report and query of KPNC databases.

Results

Recruitment began in 9 January, 2006, and as of 16 January, 2008, 1,539 women have been enrolled along with collection of 1,323 blood samples (86%) and 1,398 saliva samples (91%).

Conclusions

The Pathways Study will become a rich resource to examine behavioral and molecular factors and breast cancer prognosis.

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Acknowledgements

We thank all Pathways Study office and field staff, and most importantly, the participants. The Pathways Study is supported by the National Cancer Institute (R01 CA105274). The ancillary studies are supported by the U.S. Department of Defense (BC043120), American Cancer Society (RSG-06-209-01-LR), and National Cancer Institute (R01 CA124924). The contents are solely the responsibility of the authors and do not necessarily represent the official views of the funding agencies.

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Authors and Affiliations

  1. Division of Research, Kaiser Permanente, 2000 Broadway, Oakland, CA, 94612, USA

    Marilyn L. Kwan, Sarah E. Krathwohl, Isaac Joshua Ergas, Christine H. Ashley, Julie R. Bittner, Jeanne Darbinian, Keren Stronach, Bette J. Caan, Charles P. Quesenberry, Carol P. Somkin, Barbara Sternfeld & Lawrence H. Kushi

  2. Department of Cancer Prevention and Control, Roswell Park Cancer Institute, Buffalo, NY, 14263, USA

    Christine B. Ambrosone & Warren Davis

  3. Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, 94143, USA

    Marion M. Lee

  4. Zero Breast Cancer, San Rafael, CA, 94903, USA

    Janice Barlow

  5. Department of Surgery, Kaiser Permanente Santa Teresa, San Jose, CA, 95119, USA

    Susan E. Kutner

  6. Department of Neurological Surgery, University of California, San Francisco, CA, 94143, USA

    John K. Wiencke & Shichun Zheng

Authors
  1. Marilyn L. Kwan
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  2. Christine B. Ambrosone
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  19. Lawrence H. Kushi
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Corresponding author

Correspondence to Marilyn L. Kwan.

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Kwan, M.L., Ambrosone, C.B., Lee, M.M. et al. The Pathways Study: a prospective study of breast cancer survivorship within Kaiser Permanente Northern California. Cancer Causes Control 19, 1065–1076 (2008). https://doi.org/10.1007/s10552-008-9170-5

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  • DOI: https://doi.org/10.1007/s10552-008-9170-5

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