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Smoking cessation counseling successful when paired with lung cancer screening

February 14, 2017

WASHINGTON -- In the first successful randomized trial of its kind, researchers have provided preliminary evidence that telephone-based smoking cessation counseling given to smokers shortly after undergoing lung cancer screening can be effective at helping people stop smoking.

"We found that at this teachable moment -- a time when smokers are thinking about their health and may be ready to make a change -- offering help makes a difference, and may help save lives," says the study's lead researcher, Kathryn L. Taylor, PhD, a behavioral scientist and a professor of oncology at Georgetown Lombardi Comprehensive Cancer Center.

The study, led by researchers at Georgetown Lombardi, was conducted with 92 participants at three centers -- MedStar Georgetown University Hospital in Washington, DC, Hackensack University Medical Center in New Jersey, and Lahey Hospital and Medical Center in Massachusetts.

"Millions of current smokers are now eligible for lung cancer screening, so this setting represents an important opportunity to exert a large public health impact on cessation among smokers who are at very high risk for multiple tobacco-related disorders," she says. "This is a great way to engage smokers who have not sought out cessation help."

These study findings were so promising that investigators have been funded through NIH to conduct a much larger study of telephone-based cessation counseling. It will enroll 1,300 patients at five medical centers nationwide.

Lung cancer screening recommendations issued in 2013 by the U.S. Preventive Services Task Force suggest that adults aged 55-80 who have smoked long enough to have accumulated a minimum of 30 pack-years (i.e., one pack per day for 30 years, or two packs per day for 15 years, etc.) should have an annual low-dose CT lung cancer screening test. The idea is to intervene early enough that disease spotted on the screening can be effectively treated. In the U.S., lung cancer is the leading cancer killer in both men and women -- almost 160,000 Americans were expected to die from lung cancer in 2016, according to the American Lung Association.

Taylor points out that the NIH has said that effective smoking cessation programs should be a part of screening programs, and has funded several groups of researchers to develop effective strategies.

In this preliminary study, 92 people about to undergo lung cancer screening agreed to receive either telephone counseling or standard of care (a list of free and low-cost cessation resources). Once participants received their screening results, they were randomized to one of the two groups, each with 46 participants. Each group had an equal number of participants with abnormal screening findings, indicating possible precancerous lesions or chronic obstructive pulmonary disease (COPD). Each group also contained an equal number of participants with minor abnormalities on their screen, as well as those with normal results. None of the participants were diagnosed with lung cancer.

Participants in the telephone-counseling group were given their first session after finding out their screening results. Over the next three months, six 10-15 minute sessions were conducted. At the end of the study, a nicotine saliva test was given to participants who said they had quit in order to confirm their abstinence.

Researchers found that eight (17 percent) people in the telephone counseling group had verifiably quit, compared to two (4 percent) in the other group.

"If this preliminary study is replicated, telephone counseling has the potential to improve cessation in a setting that reaches a large number of hard-to-reach, long-term smokers who are at very high risk for multiple tobacco-related diseases," Taylor says.

Charlotte Hagerman, who along with Taylor, offered the telephone counseling to participants, describes the counseling as "a motivational intervention. Everyone acknowledged that smoking is very harmful to their health, but some people thought it was too late to change their fate. Counseling helped them understand that it is not too late."

Population-based studies have shown that older smokers who quit can have an increased life expectancy, Taylor says.

Hagerman says there were also a number of participants who "were ready to quit, and were very excited to receive the help we were offering. I found this very gratifying, and felt that what we were doing was important and mattered to people," says Hagerman, who was trained as a tobacco treatment specialist for the study.

"More than 50 percent of participants said in their first interview that they were not ready to quit, yet some of these people did quit. This finding indicates that it is important to offer the cessation intervention to everyone who undergoes lung cancer screening, and not only those who are already considering quitting. This is exactly what we hope for - to be able to reach the people who are not already planning to quit on their own," says Taylor.
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In addition to Taylor and Hagerman, co-authors from Georgetown University Medical Center include George Luta, PhD; Paula G. Bellini, MA; and Cassandra Stanton, PhD. David B. Abrams, PhD, and Ray Niaura, PhD, are Georgetown faculty and also affiliated with the Schroeder Institute for Tobacco Research and Policy Studies. Jenna A. Kramer, NP and Eric D. Anderson, MD are from MedStar Georgetown University Hospital in Washington, DC; Shawn Regis, PhD, Andrea McKee, MD, and Brady McKee, MD, are from Lahey Hospital and Medical Center, Burlington, MA; and Harry Harper, MD and Michael Ramsaier, BS are from Hackensack University Medical Center, Hackensack, NJ.

The authors report having no personal financial interests related to the study.

The study was supported by the Prevent Cancer Foundation and Georgetown Lombardi's NCI Cancer Center Support Grant P30 CA051008.

About Georgetown Lombardi Comprehensive Cancer Center

Georgetown Lombardi Comprehensive Cancer Center is designated by the National Cancer Institute as a comprehensive cancer center -- the only cancer center of its kind in the Washington, DC area. A part of Georgetown University Medical Center and MedStar Georgetown University Hospital, Georgetown Lombardi seeks to improve the diagnosis, treatment, and prevention of cancer through innovative basic and clinical research, patient care, community education and outreach, and the training of cancer specialists of the future. Connect with Georgetown Lombardi on Facebook (Facebook.com/GeorgetownLombardi) and Twitter (@LombardiCancer).

About Georgetown University Medical Center

Georgetown University Medical Center (GUMC) is an internationally recognized academic medical center with a three-part mission of research, teaching and patient care (through MedStar Health). GUMC's mission is carried out with a strong emphasis on public service and a dedication to the Catholic, Jesuit principle of cura personalis -- or "care of the whole person." The Medical Center includes the School of Medicine and the School of Nursing & Health Studies, both nationally ranked; Georgetown Lombardi Comprehensive Cancer Center, designated as a comprehensive cancer center by the National Cancer Institute; and the Biomedical Graduate Research Organization, which accounts for the majority of externally funded research at GUMC including a Clinical and Translational Science Award from the National Institutes of Health. Connect with GUMC on Facebook (Facebook.com/GUMCUpdate), Twitter (@gumedcenter) and Instagram (@gumedcenter).

Georgetown University Medical Center

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