SEARCH

SEARCH BY CITATION

REFERENCES

  • 1
    Grattan TJ, Marshall AE, Higgins KS, Morice AH. The effect of inhaled and oral dextromethorphan on citric acid induced cough in man. Br J Clin Pharmacol 1995; 39: 2613.
  • 2
    Manap RA, Wright CE, Gregory A, Rostami-Hodjegan A, Meller ST, Kelm GR, Lennard MS, Tucker GT, Morice AH. The antitussive effect of dextromethorphan in relation to CYP2D6 activity. Br J Clin Pharmacol 1999; 48: 3827.
  • 3
    Matthys H, Bleicher B, Bleicher U. Dextromethorphan and codeine: objective assessment of antitussive activity in patients with chronic cough. J Int Med Res 1983; 11: 92100.
  • 4
    Eccles R. The powerful placebo in cough studies? Pulm Pharmacol Ther 2002; 15: 3038.
  • 5
    Ruhle KH, Criscuolo D, Dieterich HA, Kohler D, Riedel G. Objective evaluation of dextromethorphan and glaucine as antitussive agents. Br J Clin Pharmacol 1984; 17: 5214.
  • 6
    Taylor JA, Novack AH, Almquist JR, Rogers JE. Efficacy of cough suppressants in children. J Pediatr 1993; 122 (5 Pt 1): 799802.
  • 7
    Parvez L, Vaidya M, Sakhardande A, Subburaj S, Rajagopalan TG. Evaluation of antitussive agents in man. Pulm Pharmacol 1996; 9: 299308.
  • 8
    Smith J, Owen E, Earis J, Woodcock A. Effect of codeine on objective measurement of cough in chronic obstructive pulmonary disease. J Allergy Clin Immunol 2006; 117: 8315.
  • 9
    Mulrennan S, Wright C, Thompson R, Goustas P, Morice A. Effect of salbutamol on smoking related cough. Pulm Pharmacol Ther 2004; 17: 12731.
  • 10
    Birring SS, Prudon B, Carr AJ, Singh SJ, Morgan MDL, Pavord ID. Development of a symptom specific health status measure for patients with chronic cough: Leicester Cough Questionnaire (LCQ). Thorax 2003; 58: 33943.
  • 11
    Morice AH, Kastelik JA, Thompson R. Cough challenge in the assessment of cough reflex. Br J Clin Pharmacol 2001; 52: 36575.
  • 12
    Brown BW Jr. The crossover experiment for clinical trials. Biometrics 1980; 36: 6979.
  • 13
    Armitage P, Hills M. The two-period crossover trial. Statistician 1982; 31: 11931.
  • 14
    Liu G, Liang KY. Sample size calculations for studies with correlated observations. Biometrics 1997; 53: 93747.
  • 15
    Senn SJ. Cross-Over Trials in Clinical Research, 2nd edn. Chichester: Wiley, 2002.
  • 16
    Karttunen P, Tukiainen H, Silvasti M, Kolonen S. Antitussive effect of dextromethorphan and dextromethorphan-salbutamol combination in healthy volunteers with artificially induced cough. Respiration 1987; 52: 4953.
  • 17
    Rostami-Hodjegan A, Abdul-Manap R, Wright CE, Tucker GT, Morice AH. The placebo response to citric acid-induced cough: pharmacodynamics and gender differences. Pulm Pharmacol Ther 2001; 14: 3159.
  • 18
    Freestone C, Eccles R. Assessment of the antitussive efficacy of codeine in cough associated with common cold. J Pharmacy Pharmacol 1997; 49: 10459.
  • 19
    Schmidt D, Jorres RA, Magnussen H. Citric acid-induced cough thresholds in normal subjects, patients with bronchial asthma, and smokers. Eur J Med Res 1997; 2: 3848.
  • 20
    O'Connell F, Thomas VE, Studham JM, Pride NB, Fuller RW. Capsaicin cough sensitivity increases during upper respiratory infection. Respir Med 1996; 90: 27986.
  • 21
    Morice AH, Lowry R, Brown MJ, Higenbottam T. Angiotensin converting enzyme and the cough reflex. Lancet 1987; 2: 11168.