Skip to main content

Research Repository

Advanced Search

All Outputs (26)

Dextromethorphan versus Dextrorphan: A Quantitative Comparison of Antitussive Potency following Separate Administration of Metabolite (2025)
Journal Article
Rezaee, S., Wright, C. E., Morice, A. H., & Rostami-Hodjegan, A. (2025). Dextromethorphan versus Dextrorphan: A Quantitative Comparison of Antitussive Potency following Separate Administration of Metabolite. The Journal of Clinical Pharmacology, https://doi.org/10.1002/jcph.70049

To assess the antitussive effects of dextrorphan (DOR) relative to its parent compound, dextromethorphan (DEX) a double-blind, randomized, placebo-controlled crossover study was conducted in 23 healthy volunteers using citric acid cough challenge tes... Read More about Dextromethorphan versus Dextrorphan: A Quantitative Comparison of Antitussive Potency following Separate Administration of Metabolite.

Complex breathlessness intervention in idiopathic pulmonary fibrosis (BREEZE-IPF): a feasibility, wait-list design randomised controlled trial (2025)
Journal Article
Crooks, M. G., Wright, C., Hart, S., Allgar, V., English, A., Swan, F., Dyson, J., Richardson, G., Twiddy, M., Cohen, J., Simpson, A., Huang, C., Sykes, D. L., & Johnson, M. (2025). Complex breathlessness intervention in idiopathic pulmonary fibrosis (BREEZE-IPF): a feasibility, wait-list design randomised controlled trial. BMJ Open Respiratory Research, 12(1), Article e002327. https://doi.org/10.1136/bmjresp-2024-002327

Introduction Breathlessness is common and impairs the quality of life of people with idiopathic pulmonary fibrosis (IPF) and non-IPF fibrotic interstitial lung diseases (ILD). We report the findings of a multicentre, fast-track (wait-list), mixed-met... Read More about Complex breathlessness intervention in idiopathic pulmonary fibrosis (BREEZE-IPF): a feasibility, wait-list design randomised controlled trial.

Effects of Azithromycin on Blood Inflammatory Gene Expression and Cytokine Production in Sarcoidosis (2024)
Journal Article
Fraser, S. D., Thackray-Nocera, S., Wright, C., Flockton, R., James, S. R., Crooks, M. G., Kaye, P. M., & Hart, S. P. (2024). Effects of Azithromycin on Blood Inflammatory Gene Expression and Cytokine Production in Sarcoidosis. Lung, https://doi.org/10.1007/s00408-024-00743-w

Introduction: In sarcoidosis granulomas, monocyte-derived macrophages are activated by pro-inflammatory cytokines including TNF and IL-6. Current drug treatment for sarcoidosis aims to suppress inflammation but disabling side effects can ensue. The m... Read More about Effects of Azithromycin on Blood Inflammatory Gene Expression and Cytokine Production in Sarcoidosis.

Domiciliary Cough Monitoring for the Prediction of COPD Exacerbations (2021)
Journal Article
Crooks, M. G., den Brinker, A. C., Thackray-Nocera, S., van Dinther, R., Wright, C. E., & Morice, A. H. (2021). Domiciliary Cough Monitoring for the Prediction of COPD Exacerbations. Lung, 199(2), 131-137. https://doi.org/10.1007/s00408-021-00435-9

Introduction: Acute exacerbations of COPD (AE-COPD) are a leading cause of health service utilisation and are associated with morbidity and mortality. Identifying the prodrome of AE-COPD by monitoring symptoms and physiological parameters (telemonito... Read More about Domiciliary Cough Monitoring for the Prediction of COPD Exacerbations.

Azithromycin for sarcoidosis cough: an open label exploratory clinical trial (2020)
Journal Article
Fraser, S. D., Thackray-Nocera, S., Shepherd, M., Flockton, R., Wright, C., Sheedy, W., Brindle, K., Morice, A. H., Kaye, P. M., Crooks, M. G., & Hart, S. P. (2020). Azithromycin for sarcoidosis cough: an open label exploratory clinical trial. ERJ Open Research, 6(4), Article 00534. https://doi.org/10.1183/23120541.00534-2020

Background: Chronic cough is a distressing symptom for many people with pulmonary sarcoidosis. Continuous treatment with a macrolide antibiotic may improve cough. We aimed to assess the potential efficacy of azithromycin in patients with sarcoidosis... Read More about Azithromycin for sarcoidosis cough: an open label exploratory clinical trial.

A feasibility, randomised controlled trial of a complex breathlessness intervention in idiopathic pulmonary fibrosis (BREEZE-IPF): study protocol (2019)
Journal Article
Wright, C., Hart, S. P., Allgar, V., English, A., Swan, F., Dyson, J., Richardson, G., Twiddy, M., Cohen, J., Hussain, J., Johnson, M., Hargreaves, I., & Crooks, M. G. (2019). A feasibility, randomised controlled trial of a complex breathlessness intervention in idiopathic pulmonary fibrosis (BREEZE-IPF): study protocol. ERJ Open Research, 5(4), Article 0186. https://doi.org/10.1183/23120541.00186-2019

Introduction: Idiopathic pulmonary fibrosis (IPF) is a chronic and progressive lung disease that causes breathlessness and cough that worsen over time, limiting daily activities and negatively impacting quality of life. Although treatments are now av... Read More about A feasibility, randomised controlled trial of a complex breathlessness intervention in idiopathic pulmonary fibrosis (BREEZE-IPF): study protocol.

The effect of gefapixant, a P2X3 antagonist, on cough reflex sensitivity: A randomised placebo-controlled study (2019)
Journal Article
Morice, A. H., Kitt, M. M., Ford, A. P., Tershakovec, A. M., Wu, W. C., Brindle, K., Thompson, R., Thackray-Nocera, S., & Wright, C. (2019). The effect of gefapixant, a P2X3 antagonist, on cough reflex sensitivity: A randomised placebo-controlled study. European respiratory journal, 54(1), Article 1900439. https://doi.org/10.1183/13993003.00439-2019

We evaluated the effect of gefapixant on cough reflex sensitivity to evoked tussive challenge.

In this phase 2, double-blind, two-period study, patients with chronic cough (CC) and healthy volunteers (HV) were randomised to single-dose gefapixant... Read More about The effect of gefapixant, a P2X3 antagonist, on cough reflex sensitivity: A randomised placebo-controlled study.

The effect of pH on citric acid cough challenge: A randomised control trial in chronic cough and healthy volunteers (2018)
Journal Article
Rai, Z. L., Fowles, H. E., Wright, C., Howard, J., & Morice, A. H. (2018). The effect of pH on citric acid cough challenge: A randomised control trial in chronic cough and healthy volunteers. Respiratory Physiology and Neurobiology, 257, 51-54. https://doi.org/10.1016/j.resp.2018.02.013

© 2018 Elsevier B.V. Introduction: Citric acid has been used for over six decades to induce cough; however the mechanism of its pro-tussive effect is still not fully understood. We assessed the response to inhalation of citric acid at varying levels... Read More about The effect of pH on citric acid cough challenge: A randomised control trial in chronic cough and healthy volunteers.

Phenotyping patients with chronic cough: Evaluating the ability to predict the response to anti-inflammatory therapy (2018)
Journal Article
Sadeghi, M. H., Wright, C. E., Hart, S., Crooks, M., & Morice, A. (2018). Phenotyping patients with chronic cough: Evaluating the ability to predict the response to anti-inflammatory therapy. Annals of Allergy, Asthma and Immunology, 120(3), 285-291. https://doi.org/10.1016/j.anai.2017.12.004

© 2017 Background: Whether the fraction of exhaled nitric oxide (FeNO) measurement can predict the response to anti-inflammatory treatment in chronic cough is unknown. Objective: To explore whether the effectiveness of treatment with 10 mg of montelu... Read More about Phenotyping patients with chronic cough: Evaluating the ability to predict the response to anti-inflammatory therapy.

Does FeNO Predict Clinical Characteristics in Chronic Cough? (2017)
Journal Article
Sadeghi, M. H., Wright, C. E., Hart, S., Crooks, M., & Morice, A. H. (2018). Does FeNO Predict Clinical Characteristics in Chronic Cough?. Lung, 196(1), 59-64. https://doi.org/10.1007/s00408-017-0074-6

© 2017, The Author(s). Purpose: To evaluate whether exhaled nitric oxide measurement can facilitate in the assessment of chronic cough patients based on their airway inflammatory phenotype. Methods: We have studied consecutive patients attending a sp... Read More about Does FeNO Predict Clinical Characteristics in Chronic Cough?.

Continuous cough monitoring using ambient sound recording during convalescence from a COPD exacerbation (2017)
Journal Article
Crooks, M. G., den Brinker, A., Hayman, Y., Williamson, J. D., Innes, A., Wright, C. E., Hill, P., & Morice, A. H. (2017). Continuous cough monitoring using ambient sound recording during convalescence from a COPD exacerbation. Lung, 195(3), 289-294. https://doi.org/10.1007/s00408-017-9996-2

Purpose Cough is common in chronic obstructive pulmonary disease (COPD) and is associated with frequent exacerbations and increased mortality. Cough increases during acute exacerbations (AE-COPD), representing a possible metric of clinical deteriorat... Read More about Continuous cough monitoring using ambient sound recording during convalescence from a COPD exacerbation.

TRPV1 polymorphisms influence capsaicin cough sensitivity in men (2017)
Journal Article
Sadofsky, L. R., Cantero-Recasens, G., Wright, C., Valverde, M. A., & Morice, A. H. (2017). TRPV1 polymorphisms influence capsaicin cough sensitivity in men. Journal of thoracic disease, 9(3), 839-840. https://doi.org/10.21037/jtd.2017.03.50

Capsaicin, the hot component of chilli peppers, is a well-known tussive agent, which is regularly used as a tool to study cough and antitussives (1). Capsaicin is known to activate the transient receptor potential vanilloid 1 (TRPV1) cation channel w... Read More about TRPV1 polymorphisms influence capsaicin cough sensitivity in men.

Tussive challenge with ATP and AMP: does it reveal cough hypersensitivity? (2017)
Journal Article
Fowles, H. E., Rowland, T., Wright, C., & Morice, A. (2017). Tussive challenge with ATP and AMP: does it reveal cough hypersensitivity?. European respiratory journal, 49(2), Article ARTN 1601452. https://doi.org/10.1183/13993003.01452-2016

Recent studies have demonstrated that blockade of P2X3 adenosine triphosphate (ATP) receptors may profoundly inhibit chronic cough. We have considered whether inhaled ATP produces a tussive response and whether chronic cough patients are hypersensiti... Read More about Tussive challenge with ATP and AMP: does it reveal cough hypersensitivity?.

Is opiate action in cough due to sedation? (2014)
Journal Article
Dickinson, R. S., Morjaria, J. B., Wright, C. E., & Morice, A. H. (2014). Is opiate action in cough due to sedation?. Therapeutic Advances in Chronic Disease, 5(5), 200-205. https://doi.org/10.1177/2040622314543220

Opiates have been used for cough suppression for centuries. It is unclear whether this antitussive action is due to their known sedative effects. We aimed to assess correlation between cough suppression and opiate usage. Methods: We performed a post... Read More about Is opiate action in cough due to sedation?.

A randomized placebo controlled trial to evaluate the effects of butamirate and dextromethorphan on capsaicin induced cough in healthy volunteers (2014)
Journal Article
Faruqi, S., Wright, C., Thompson, R., & Morice, A. H. (2014). A randomized placebo controlled trial to evaluate the effects of butamirate and dextromethorphan on capsaicin induced cough in healthy volunteers. British Journal of Clinical Pharmacology, 78(6), 1272-1280. https://doi.org/10.1111/bcp.12458

AIMS The examination of cough reflex sensitivity through inhalational challenge can be utilized to demonstrate pharmacological end points. Here we compare the effect of butamirate, dextromethorphan and placebo on capsaicin-induced cough in healthy vo... Read More about A randomized placebo controlled trial to evaluate the effects of butamirate and dextromethorphan on capsaicin induced cough in healthy volunteers.