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I am Intramural Blog

LabTV: Curious About Fatigue Related to Cancer Therapy

By IRP Staff Blogger

Monday, September 28, 2015

Reblogged from the NIH Director's Blog. Originally posted by Dr. Francis Collins, NIH Director, on September 10, 2015.

As this LabTV profile of an outstanding nurse-scientist shows, there are many different paths to a career in biomedical research. Leorey Saligan grew up in the Philippines, where the challenges and rewards of caring for sick family members inspired him to become a nurse. His first job was at a nursing home in Midland, TX, and the next at a nearby hospital. Later, Saligan moved to Norfolk, VA, where as a nurse practitioner he began caring for people with sarcoidosis, an inflammatory disease that affects several organ systems.

Saligan went on to pursue a Ph.D. in nursing at Virginia’s Hampton University, writing his dissertation on the chronic vision problems associated with sarcoidosis. To gather more data on such problems, he joined NIH’s National Institute of Nursing Research in Bethesda, MD, and, with the help of colleagues, carried out a clinical study. To Saligan’s surprise, the data showed that fatigue, rather than poor vision, was the top concern of people with sarcoidosis. That discovery sparked his research interest in fatigue—an interest now focused on the intense, often debilitating fatigue that many people with cancer experience both during and after treatment, particularly radiation therapy.

Like people with sarcoidosis, people undergoing cancer treatment report that fatigue is the symptom that most negatively affects their quality of life. Many find the fatigue so distressing that their treatment regimens have to be reduced or even halted—actions that may have a negative effect on the cancer-killing power of such treatments. And, for some folks, the fatigue can be long lasting, persisting for months or even years after cancer therapy ends.

By analyzing blood and tissue samples donated by volunteers who are undergoing or who have undergone cancer treatments, Saligan and colleagues from NIH’s Clinical Center and National Cancer Institute have uncovered several promising leads in their effort to gain a better understanding of the molecular mechanisms of treatment-related fatigue. He is also working with behavioral researchers to explore the relationship of fatigue with pain, depression, anxiety, sleep disturbances, and other symptoms. Ultimately, this NIH tenure-track investigator (who also happens to be an officer in the U.S. Public Health Service) wants to see this scientific knowledge translated into effective ways of treating or preventing the fatigue that is a most unfortunate side effect of potentially life-saving cancer therapies.

Links:

LabTV

Leorey N. Saligan (National Institute of Nursing Research/NIH)

Investigating Molecular-Genetic Correlates of Fatigue Experienced by Cancer Patients Receiving Treatment (ClinicalTrials.gov/NIH)

Effect of Ketamine on Fatigue Following Cancer Therapy (ClinicalTrials.gov/NIH)

Science Careers (National Institute of General Medical Sciences/NIH)

Careers Blog (Office of Intramural Training/NIH)

Scientific Careers at NIH


Category: Making a Difference
Tags: cancer, fatigue, chemotherapy, LabTV

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This page was last updated on Monday, January 24, 2022

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