Clinical trial • Phase IV • Respiratory

AZITHROMYCIN DIHYDRATE for Chronic obstructive pulmonary disease

Phase IV trial of AZITHROMYCIN DIHYDRATE for Chronic obstructive pulmonary disease.

Overview

Trial Therapeutic Area
Respiratory
Trial Disease
Chronic obstructive pulmonary disease
Trial Stage
Phase IV
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
17-07-2024
First CTIS Authorization Date
13-08-2024

Trial design

Randomised, two randomized arms comparing prescription strategies: comparator arm — azithromycin prescribed or not based on casa-q sputum symptoms score (<70 triggers a prescription for 3 months, renewable every 3 months up to 12 months); experimental arm — azithromycin prescribed or not based on sputum rheology (critical constraint tau-c > 39 triggers a prescription for 3 months, renewable every 3 months up to 12 months). dose regimen (mg/day) is not specified in the arm descriptions.-controlled Phase IV trial across 3 sites in France.

Randomised
Yes
Comparator
Two randomized arms comparing prescription strategies: Comparator arm — azithromycin prescribed or not based on CASA-Q sputum symptoms score (<70 triggers a prescription for 3 months, renewable every 3 months up to 12 months); Experimental arm — azithromycin prescribed or not based on sputum rheology (critical constraint tau-C > 39 triggers a prescription for 3 months, renewable every 3 months up to 12 months). Dose regimen (mg/day) is not specified in the arm descriptions.
Target Sample Size
72
Trial Duration For Participant
365

Eligibility

Recruits 72 Vulnerable population not selected. Exclusions explicitly include: "Patients who are prisoners or other forms of judicial protection" and "Patients under any form of tutorship / curatorship". Written and signed informed consent is required from participants (subject information sheet and informed consent form are provided). No procedures for assent or enrolment of minors are described..

Pregnancy Exclusion
Pregnancy or breastfeeding
Vulnerable Population
Vulnerable population not selected. Exclusions explicitly include: "Patients who are prisoners or other forms of judicial protection" and "Patients under any form of tutorship / curatorship". Written and signed informed consent is required from participants (subject information sheet and informed consent form are provided). No procedures for assent or enrolment of minors are described.

Inclusion criteria

  • {"criterion_text":"-Subjets between 40 - 85 years (included)\n-Written and signed informed consent form\n-Subjects must be able to attend all planned visits and comply with all test procedures\n-Beneficiary of or affiliated with the French social security system\n-Man or woman with chronic obstructive pulmonary disease for at least 1 year defined according to Global Initiative for Chronic Obstructive Lung Disease (GOLD) criteria and validated by the clinical investigator: Optimal treatment according to GOLD class severity C or D recommendations; >=3 exacerbation (regardless of severity: mild-moderate-severe) or ≥ 1 severe exacerbations (requiring hospitalization) in the past 12 months\n-Spontaneous or induced sputum production\n-Electrocardiogram: corrected distance between Q and T waves (QTC) <450 ms in men, QTC <470 ms in women\n-Normal audiogram for age or absence of contraindication to azithromycin for long course according to Oto-Rhino-Laryngological specialist opinion"}

Exclusion criteria

  • {"criterion_text":"-Pregnancy or breastfeeding\n-Severe hepatic insufficiency and severe cholestasis (a liver biological test will be carried out if clinical suspicion)\n-Renal impairment with creatinine clearance < 40 mL/min\n-Patients with hematological malignancies who have undergone allogeneic hematopoietic stem cell transplantation\n-Patients with conditions contraindicating the use of an azithromycinbased product due to its composition in excipient with a notable effect. For example, in the presence of lactose, patients with galactose intolerance, Lapp lactase deficiency or glucose or galactose malabsorption syndrome (rare hereditary disease) . See the information available on the Public Drug Database, accessible on the Internet at the following address: http://base-donnees-publique.medicaments.gouv.fr\n-Patients who are prisoners or other forms of judicial protection\n-Patients under any form of tutorship / curatorship\n-The patient participates in another interventional protocol, or did so in the month prior to inclusion\n-Received azithromycin in the previous 3 months\n-Patient whose primary diagnosis is bronchial dilation based on CT scan documentation\n-Known hypersensitivity to azithromycin, erythromycin, any other macrolide, ketolide or any of the excipients of the azithromycin-based specialty used\n-Concomitant use of medication contraindicated with azithromycin (dihydroergotamine, ergotamine, cisapride, colchicine)\n-Other respiratory diseases or associated lung infections"}

Endpoints

Primary endpoints

  • {"endpoint_text":"-The number of exacerbations over the 12 months of follow-up","definition_or_measurement_approach":"-Count of exacerbations observed during the 12 months of follow-up"}

Secondary endpoints

  • {"endpoint_text":"-The number of mild exacerbations throughout follow-up. A mild exacerbation does not require new additional medicine\n-The number of moderate exacerbations throughout follow-up. Moderate exacerbations require antibiotics or oral corticosteroids (but not hospitalization)\n-The number of severe exacerbations throughout follow-up. Severe exacerbations require hospitalization\n-Comparison on the evolution of symptoms assessed by the COPD Assessment Test (CAT) questionnaire score at 3 months, 6 months, 9 months and 12 months\n-Comparison on the evolution of symptoms assessed by the score of the Cough and sputum assessment questionnaire (CASA-Q) questionnaire score at 3 months, 6 months, 9 months and 12 months\n-Comparison on the evolution of symptoms assessed by the score of the Visual analogue scale (VAS) score for dyspnea, coughing and sputum production at 3 months, 6 months, 9 months and 12 months\n-Comparison on sputum rheology (modulus of elasticity of mucus, parameter G' ) measured using the Rheomuco device at 3 months, 6 months, 9 months and 12 months\n-Comparison on sputum rheology (viscous module, parameter G'') measured using the Rheomuco device at 3 months, 6 months, 9 months and 12 months\n-Comparison on sputum rheology (ratio G ''/G ') measured using the Rheomuco device at 3 months, 6 months, 9 months and 12 months\n-Comparison on sputum rheology (critical constraint, parameter tau-C) measured using the Rheomuco device at 3 months, 6 months, 9 months and 12 months\n-Comparison on pulmonary function (forced expiratory volume in 1 s, FEV1) measured by Spirometry at 3 months, 6 months, 9 months and 12 months\n-Comparison on pulmonary function (forced vital capacity, FVC) measured by Spirometry at 3 months, 6 months, 9 months and 12 months\n-Comparison on pulmonary function (FEV1/FVC ratio) measured by Spirometry at 3 months, 6 months, 9 months and 12 months\n-Comparison on pulmonary function (residual volume, RV) measured by Plethysmography at baseline and 12 months\n-Comparison on pulmonary function (functional residual capacity, FRC) measured by Plethysmography at baseline and 12 months\n-Comparison on pulmonary function (total lung capacity, TLC) measured by Plethysmography at baseline and 12 months\n-Comparison on pulmonary function (ratio RV/TLC) measured by Plethysmography at baseline and 12 months\n-Comparison on drug consumption throughout follow-up\n-Number of adverse events throughout follow-up\n-Comparison on number of days with exacerbations and associated symptoms / treatments throughout follow-up\n-Comparison on number of days of hospitalizations and associated symptoms / treatments throughout follow-up\n-Clinical improvement comparison scored via a point system from 0 to 3 at the end of the study (1 point: no more than one exacerbation without hospitalization during the 52 weeks of follow-up; 1 point: gain > 100mL in pre-bronchodilator FEV1 at the 52nd week compared to the baseline state; 1 point: variation of the CAT score during the 52 weeks of observation > 2)\n-Comparison on the evolution of quality of life by the score of the EQ-5D-5L questionnaire score at 3 months, 6 months, 9 months and 12 months\n-Comparison on the evolution of quality of life by the score of the St-George’s Respiratory questionnaire score at 3 months, 6 months, 9 months and 12 months\n-Change in complete blood counts, including neutrophils, eosinophils between baseline and the end of the study\n-Change in level of Serum Club cell secretory protein between baseline and the end of the study\n-Comparison on number of exacerbations between the experimental and comparator arms without prescription of azithromycin\n-Comparison on number of exacerbations between the experimental and comparator arms with prescription of azithromycin\n-Assessment of Azithromycin prescription according to CASA-Q in the experimental arm","definition_or_measurement_approach":"-Mild exacerbation: does not require new additional medicine\n-Moderate exacerbation: requires antibiotics or oral corticosteroids (but not hospitalization)\n-Severe exacerbation: requires hospitalization\n-Symptom evolution measured by CAT questionnaire at 3, 6, 9 and 12 months\n-Symptom evolution measured by CASA-Q at 3, 6, 9 and 12 months\n-Symptom evolution measured by VAS for dyspnea, coughing and sputum production at 3, 6, 9 and 12 months\n-Sputum rheology parameter G' measured using the Rheomuco device at 3, 6, 9 and 12 months\n-Sputum rheology parameter G'' measured using the Rheomuco device at 3, 6, 9 and 12 months\n-Sputum rheology ratio G''/G' measured using the Rheomuco device at 3, 6, 9 and 12 months\n-Sputum rheology critical constraint (tau-C) measured using the Rheomuco device at 3, 6, 9 and 12 months\n-Pulmonary function (FEV1) measured by spirometry at 3, 6, 9 and 12 months\n-Pulmonary function (FVC) measured by spirometry at 3, 6, 9 and 12 months\n-Pulmonary function (FEV1/FVC ratio) measured by spirometry at 3, 6, 9 and 12 months\n-Pulmonary function (RV) measured by plethysmography at baseline and 12 months\n-Pulmonary function (FRC) measured by plethysmography at baseline and 12 months\n-Pulmonary function (TLC) measured by plethysmography at baseline and 12 months\n-Pulmonary function (RV/TLC ratio) measured by plethysmography at baseline and 12 months\n-Drug consumption tracked throughout follow-up\n-Number of adverse events recorded throughout follow-up\n-Number of days with exacerbations and associated symptoms/treatments tracked throughout follow-up\n-Number of days of hospitalizations and associated symptoms/treatments tracked throughout follow-up\n-Clinical improvement scored 0-3 composite at end of study using specified point criteria at 52 weeks\n-Quality of life measured by EQ-5D-5L at 3, 6, 9 and 12 months\n-Quality of life measured by St George’s Respiratory Questionnaire at 3, 6, 9 and 12 months\n-Complete blood count changes between baseline and end of study\n-Serum Club cell secretory protein level change between baseline and end of study\n-Comparison of exacerbations between arms without azithromycin prescription\n-Comparison of exacerbations between arms with azithromycin prescription\n-Evaluation of azithromycin prescription according to CASA-Q in experimental arm"}

Recruitment

Planned Sample Size
72
Recruitment Window Months
60
Consent Approach
Written and signed informed consent is required from each participant. Subject information sheet and informed consent form documents are included in the trial documentation. No procedures for assent or enrolment of minors are described. Consent materials/translations include French-language translations.

Geography

Total Number Of Sites
3
Total Number Of Participants
72

France

Earliest CTIS Part Ii Submission Date
25-07-2024
Latest Decision Or Authorization Date
04-04-2025
Processing Time Days
253
Number Of Sites
3
Number Of Participants
72

Sites

Site Name
Centre Hospitalier Universitaire De Toulouse
Department Name
Pneumologie
Principal Investigator Name
Laurent GUILLEMINAULT
Principal Investigator Email
guilleminault.l@chu-toulouse.fr
Contact Person Name
Laurent GUILLEMINAULT
Site Name
Centre Hospitalier Universitaire De Bordeaux
Department Name
Explorations fonctionnelles respiratoires
Principal Investigator Name
Maéva ZYSMAN
Principal Investigator Email
maeva.zysman@chu-bordeaux.fr
Contact Person Name
Maéva ZYSMAN
Contact Person Email
maeva.zysman@chu-bordeaux.fr
Site Name
Centre Hospitalier Universitaire De Montpellier
Department Name
Maladies respiratoires, Pneumologie
Principal Investigator Name
Jérémy CHARRIOT
Principal Investigator Email
j-charriot@chu-montpellier.fr
Contact Person Name
Jérémy CHARRIOT
Contact Person Email
j-charriot@chu-montpellier.fr

Sponsor

Primary sponsor

Full Name
Centre Hospitalier Universitaire De Montpellier
Organisation Type
Hospital/Clinic/Other health care facility
Country Of Registered Address
France

Investigational products

Investigational Product Name
AZITHROMYCIN DIHYDRATE
Active Substance
AZITHROMYCIN DIHYDRATE
Modality
Small molecule
Routes Of Administration
ORAL USE
Route
ORAL USE
Maximum Dose
500 mg (max daily dose amount reported in product data)

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