NIH-funded research R01 grant

Investigating how the environment around tumors affects breast cancer after pregnancy

Official title: The Tumor Microenvironment and Lymphatic Remodeling in Postpartum Breast Cancer

Funded at Columbia University Health Sciences · NIH-10877903 · Data updated 2026-11-12

This study is looking at how pregnancy might change the way breast cancer behaves, especially for new moms, to find ways to lower the risk and improve treatment for those who develop postpartum breast cancer.

More Breast Cancer research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionColumbia University Health Sciences
NIH-funded
Lab location1 site (New York, United States)
Project startJuly 1, 2022
Project endDecember 31, 2027
Funding year2025
Award (this year)$447,191
NIH project number5R01CA267897-03
Project IDNIH-10877903 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are women who have recently given birth and are at risk for postpartum breast cancer.

Less likely to help

Patients who are not postpartum or those who have not been diagnosed with breast cancer may not benefit from this research.

What this research studies

This research focuses on understanding postpartum breast cancer (PPBC), which can be more aggressive and deadly compared to other types of breast cancer. The study examines how changes in the tumor microenvironment and lymphatic system during and after pregnancy may contribute to the increased risk of PPBC. By analyzing the immune cells and other factors in the tumor environment, the research aims to identify potential strategies to reduce the risk and improve outcomes for women diagnosed with PPBC. The findings could lead to better risk stratification and treatment options tailored for young women.

Why it matters

Potential benefit: If successful, this research could provide new insights and strategies to reduce the risk of aggressive breast cancer in postpartum women.

How similar studies have gone: While there is limited research specifically on postpartum breast cancer, studies on tumor microenvironments and immune responses have shown promise in other cancer types.

Where this research is happening

  • Columbia University Health Sciences
    New York, United States
    Active

Researchers

  • Principal investigator: Mcdonald, Jasmine Alise — Columbia University Health Sciences
  • Study coordinator: Mcdonald, Jasmine Alise

Related research

Other NIH-funded projects on the same topics.

  • Pregnancy, breastfeeding, and immune changes in postpartum breast cancer

    This research tests whether breast changes after pregnancy make postpartum breast cancer more aggressive and whether breastfeeding or common anti-inflammatory medicines might lower that risk for women who recently gave birth.

    NIH research Columbia University Health Sciences · New York, United States · NIH-11473210

  • Preventing breast cancer in the years after childbirth

    This project tries to prevent breast cancer that appears within five years after giving birth by studying whether common anti-inflammatory drugs like aspirin can lower that risk for women who recently had a baby or have benign breast disease.

    NIH research Mayo Clinic Jacksonville · Jacksonville, United States · NIH-11298953

  • How immune cells and lymphatic changes after childbirth affect postpartum breast cancer

    This project looks at how immune cells and lymphatic changes in the breast after childbirth may make postpartum breast cancers more likely to grow and spread, especially in women who did not breastfeed or stopped early.

    NIH research Columbia University Health Sciences · New York, United States · NIH-11248768

  • Preventing breast cancer related to childbirth

    This study is looking at how having a baby might raise the risk of breast cancer in women within five years after childbirth, and it’s exploring whether certain anti-inflammatory medications could help lower that risk by examining changes in breast tissue.

    NIH research Mayo Clinic Jacksonville · Jacksonville, United States · NIH-11042754

  • Investigating how the environment around tumors affects breast cancer after pregnancy

    This study is looking at how breast cancer that happens after having a baby might be different and more serious, and it aims to find ways to help young women who face this challenge by understanding what happens in the tumor environment during this time.

    NIH research Columbia University Health Sciences · New York, United States · NIH-10977424

  • Wearable tech to track blood loss during childbirth

    A wearable device monitors cardiovascular signals to detect postpartum hemorrhage early so clinicians can act quickly to protect mothers.

    NIH research Washington University · Saint Louis, United States · NIH-11627926

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.