흡입 스테로이드와 지속성 베타2 항진제의 병용요법으로 완전히 조절되지 않는 천식 환자에서 추가 montelukast의 효과

The Efficacy of Added Montelukast in Persistent Asthmatics Who Were Not Completely Controlled on Inhaled Corticosteroids and Inhaled Long-acting β2-agonists

  • 최정희 (한림대학교 의과대학 내과학교실) ;
  • 박해심 (아주대학교 의과대학 내과학교실) ;
  • 이관호 (영남대학교 의과대학 내과학교실) ;
  • 심재정 (고려대학교 의과대학 내과학교실) ;
  • 어수택 (순천향대학교 의과대학 내과학교실) ;
  • 이상표 (가천대학교 의과대학 내과학교실) ;
  • 이용철 (전북대학교 의과대학 내과학교실) ;
  • 최원일 (계명대학교 의과대학 내과학교실) ;
  • 이재호 (서울대학교 의과대학 내과학교실) ;
  • 김주인 (인제대학교 의과대학 내과학교실) ;
  • 이명구 (한림대학교 의과대학 내과학교실) ;
  • 정기석 (한림대학교 의과대학 내과학교실)
  • Choi, Jeong-Hee (Department of Internal Medicine, College of Medicine, Hallym University) ;
  • Park, Hae-Sim (Department of Internal Medicine, College of Medicine, Ajou University) ;
  • Lee, Kwan-Ho (Department of Internal Medicine, College of Medicine, Yeungnam University) ;
  • Shim, Jae-Jeong (Department of Internal Medicine, College of Medicine, Korea University) ;
  • Uh, Soo-Taek (Department of Internal Medicine, College of Medicine, Soonchunhyang University) ;
  • Lee, Sang-Pyo (Department of Internal Medicine, College of Medicine, Gachon University) ;
  • Lee, Yong-Chul (Department of Internal Medicine, College of Medicine, Chonbuk National University) ;
  • Choi, Won-Il (Department of Internal Medicine, College of Medicine, Keimyung University) ;
  • Lee, Jae-Ho (Department of Internal Medicine, College of Medicine, Seoul National University) ;
  • Kim, Joo-In (Department of Internal Medicine, College of Medicine, Inje University) ;
  • Lee, Myung-Goo (Department of Internal Medicine, College of Medicine, Hallym University) ;
  • Jung, Ki-Suck (Department of Internal Medicine, College of Medicine, Hallym University)
  • 투고 : 2007.08.31
  • 심사 : 2007.10.12
  • 발행 : 2007.10.30

초록

연구배경: 천식 치료의 근간을 이루고 있는 흡입용 스테로이드제에 대한 반응은 천식 환자마다 다양하다. 또한, 코르티코스테로이드가 천식의 기도염증에서 중요한 매개체인 류코트리엔을 효과적으로 억제하지 못하는 것으로 보고되었다. 이에 저자들은 흡입용 스테로이드와 지속성 베타2 항진제의 병용요법으로도 증상이 완전히 조절되지 않는 지속성 천식 환자에서 montelukast를 추가하였을 때의 유효성을 평가하고자 하였다. 방법: 4주간의 준비기간을 거쳐서 흡입용 스테로이드와 지속성 베타2 항진제의 병용요법으로도 증상이 완전히 조절되지 않는 지속성 천식 환자 198명을 선정하여 8주 동안 montelukast 10mg 정을 1일 1회 취침 전 복용토록 하였다. ACQ 증상 점수와 $FEV_1%$ 치를 montelukast 치료 전후로 각각 측정하였으며, 치료 후에 환자와 연구자 각각 천식과 비염에 대하여 '호전되었음, 변화없음, 악화되었음' 중의 하나로 평가하도록 하였다. 결과: 8주간 montelukast를 추가한 후 ACQ 증상 점수의 평균 변화량은 -4.8점[95% CI (-5.7,-3.9)]으로, 유의하게 천식 증상이 호전됨을 보였다 (p<0.001). $FEV_1%$치는 증가하는 경향을 보였으나 통계적으로 유의하지는 않았다(p>0.05). 방문 2시점에서 시행한 천식에 대한 환자와 연구자의 종합 평가에서 각각 약 60%의 환자와 연구자가 '개선되었음'으로 평가하였으며(${\kappa}=0.85$), 비염의 종합 평가에서 각각 55%의 환자와 51%의 연구자가 '개선되었음'으로 평가하였다(${\kappa}=0.93$). 결론: 흡입용 스테로이드 및 지속성 베타2 항진제의 병용제제로도 천식증상이 완전히 조절되지 않는 중등증 이상의 지속성 천식 환자에서 류코트리엔 조절제의 추가는 천식의 조절을 향상시킬 수 있다.

Backgrounds: Although glucocorticoids are one of the most potent anti-inflammatory agents, they have limited effect on cysteinyl leukotriene biosynthesis. In addition, the response to inhaled corticosteroids (ICS) and inhaled long-acting ${\beta}_2-agonists$ (LABA) combination therapy in moderate to severe persistent asthmatics varies. Additional therapy with leukotriene receptor antagonists (LTRA) in patients with moderate to severe asthma suboptimally controlled with ICS and LABA combination therapy would be complementary to asthma control. Methods: One hundred and ninety eight asthmatics entered a 2 month, open-label descriptive study. Patients suffering from persistent asthma and suboptimally controlled on a combination therapy of fluticasone/salmeterol or budesonide/formoterol were given montelukast 10 mg daily as an add-on therapy. The level of asthma control was assessed using the Asthma Control Questionnaire (ACQ) including $FEV_1%$ predicted at the baseline and after a 2-month treatment with montelukast. A global evaluation of the treatment was also made by the patients and physicians. Results: The mean ACQ score decreased significantly on montelukast ($11.5{\pm}5.4$ at baseline vs. $6.7{\pm}5.0$), with a significant improvement in all individual symptom scores (p<0.01). The $FEV_1%$ predicted values did not show any significant change. 59.9% of patients and 59.4% of physicians reported global improvement in their asthma (${\kappa}=0.85$). Conclusion: These results suggest that the addition of montelukast in patients with persistent asthma that is suboptimally contolled by combination therapy of ICS and LABA might confer complementary effects on asthma control.

키워드

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