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Correspondence |

Why SMART About Second-Line Treatment When First-Line Treatment Is Being Ignored? FREE TO VIEW

Graeme P. Currie, MBChB, DCH, MD
Author and Funding Information

Affiliations: Aberdeen Royal Infirmary, Aberdeen, Scotland, UK,  National Jewish Research and Medical Center, Denver, CO,  GlaxoSmithKline, Research Triangle Park, NC

Correspondence to: Graeme P. Currie, MBChB, DCH, MD, Aberdeen Royal Infirmary, Chest Clinic, Foresterhill, Aberdeen AB25 2ZN, UK; e-mail: graeme.currie@nhs.net



Chest. 2006;130(3):929. doi:10.1378/chest.130.3.929
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To the Editor:

In a recent issue of CHEST (January 2006),1 the Salmeterol Multicenter Asthma Research Trial (or SMART) demonstrated that the regular use of a twice-daily regimen of salmeterol in asthmatic patients was associated with an unnerving increase in respiratory-related and asthma-related deaths, combined asthma-related deaths, or life-threatening experiences. However, surely one of the other most concerning observations was the fact that at study entry only 47% individuals in both the active treatment and placebo groups were receiving regular therapy with inhaled corticosteroids. Thus, > 26,000 subjects with asthma of approximately 16 years duration with a mean peak expiratory flow of 84% predicted were randomized to receive either a placebo inhaler or a long-acting β2-agonist over a 28-week period without therapy with inhaled corticosteroids.

Since guidelines23 advocate the early use of inhaled corticosteroids in the treatment of asthma, it is therefore incredulous to consider that the investigators felt it reasonable to enroll a majority of individuals who were being inappropriately managed in the community. Perhaps rigorous advertising campaigns are required to emphasize that therapy with inhaled corticosteroids is a long-established, effective, safe, and inexpensive treatment for the management of asthma. And perhaps clinicians and the pharmaceutical industry require reminding too.

Dr. Currie has received funding from GlaxoSmithKline for attending postgraduate educational meetings and honoraria for giving talks.

Dr. Nelson is a consultant, speaker, and recipient of research grants from GlaxoSmithKline, and was also a member of the Morbidity and Mortality Review Committee. Dr. Dorinsky is an employee of GlaxoSmithKline.

Nelson, HS, Weiss, ST, Bleecker, ER, et al (2006) The Salmeterol Multicenter Asthma Research Trial: a comparison of usual pharmacotherapy for asthma or usual pharmacotherapy plus salmeterol.Chest129,15-26. [CrossRef] [PubMed]
 
National Institutes of Health... GINA workshop report: global strategy for asthma management and prevention, updated 2004; scientific information and recommendations for asthma programs. 2005; National Institutes of Health. Bethesda, MD: NIH Publication No. 02–3659.
 
British Thoracic Society,. Scottish Intercollegiate Guidelines Network. British guideline on the management of asthma.Thorax2003;58(suppl),i1-i94
 
To the Editor:

We thank Dr. Currie for his comments regarding the Salmeterol Multicenter Asthma Research Trial (SMART). It is important to note that SMART was conducted in the United States and was designed in collaboration with the US Food and Drug Administration to be a real-world, observational study evaluating the addition of salmeterol or placebo to usual pharmacotherapy for asthma.

The protocol required a physician diagnosis of asthma and current use of a prescription asthma medication. In addition, investigators were provided with current prescribing information for salmeterol and were asked to use their clinical judgment in determining which patients were appropriate for study inclusion. Therefore, patients could have been receiving inhaled corticosteroid (ICS) therapy to which either salmeterol or placebo would have been added. In addition, SMART was initiated in 1996, which was prior to the 1997 revision of the National Institutes of Health asthma guidelines.1Furthermore, the reported use of ICSs at baseline in SMART (47%) was much higher than the average ICS use (10 to 20%) as reported by a large national survey in 1998.2

In summary, although SMART was not designed to specifically evaluate the addition of salmeterol or placebo to current ICS therapy, we agree with Dr. Currie’s overall conclusions and current guideline recommendations that the most effective therapy for persistent asthma is ICSs; with the addition of a long-acting β2-agonist, as necessary, for treatment in patients with moderate and severe persistent asthma.3

References
National Asthma Education and Prevention Program... Expert panel report 2: guidelines for the diagnosis and management of asthma. July 1997; National Heart, Lung, and Blood Institute, National Institutes of Health. Bethesda, MD:.
 
Asthma in America. A landmark survey. Available at: http://www.asthmainamerica.com. Accessed March 10, 2006.
 
National Asthma Education and Prevention Program... Executive summary of the NAEPP expert panel report: guidelines for the diagnosis and management of asthma; update on selected topics 2002. June 2002; National Heart, Lung, and Blood Institute, National Institutes of Health. Bethesda, MD: NIH Publication No. 02–5075.
 

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References

Nelson, HS, Weiss, ST, Bleecker, ER, et al (2006) The Salmeterol Multicenter Asthma Research Trial: a comparison of usual pharmacotherapy for asthma or usual pharmacotherapy plus salmeterol.Chest129,15-26. [CrossRef] [PubMed]
 
National Institutes of Health... GINA workshop report: global strategy for asthma management and prevention, updated 2004; scientific information and recommendations for asthma programs. 2005; National Institutes of Health. Bethesda, MD: NIH Publication No. 02–3659.
 
British Thoracic Society,. Scottish Intercollegiate Guidelines Network. British guideline on the management of asthma.Thorax2003;58(suppl),i1-i94
 
National Asthma Education and Prevention Program... Expert panel report 2: guidelines for the diagnosis and management of asthma. July 1997; National Heart, Lung, and Blood Institute, National Institutes of Health. Bethesda, MD:.
 
Asthma in America. A landmark survey. Available at: http://www.asthmainamerica.com. Accessed March 10, 2006.
 
National Asthma Education and Prevention Program... Executive summary of the NAEPP expert panel report: guidelines for the diagnosis and management of asthma; update on selected topics 2002. June 2002; National Heart, Lung, and Blood Institute, National Institutes of Health. Bethesda, MD: NIH Publication No. 02–5075.
 
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