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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06229288
Other study ID # RC20_0015
Secondary ID
Status Not yet recruiting
Phase Phase 3
First received
Last updated
Start date March 15, 2024
Est. completion date April 15, 2027

Study information

Verified date January 2024
Source Nantes University Hospital
Contact Emmanuel MONTASSIER, Professor
Phone 02 53 48 20 38
Email emmanuel.montassier@chu-nantes.fr
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Reduce inappropriate antibiotic use is a priority of public health agencies. Community-acquired pneumonia (CAP) is one of the most important indications for antibiotic prescriptions. In the majority of the studies of CAP, there is a large proportion of cases with no pathogen identified. Thus, the choice of the empirical antibiotic depends on the most likely pathogen, individual risk factors, comorbidities, and allergies. Patients aged 65 years or older are often treated with amoxicillin/clavulanate or with another broad-spectrum antibiotic (third-generation cephalosporins, antipneumococcal fluoroquinolone). However, broad-spectrum antibiotic prescription in CAP is debated and concerns exist about side-effects and selective pressure for resistance. Due to lack of head-to-head antibiotic comparisons, a recent Cochrane review concluded that current evidence from Randomized Clinical Trials (RCTs) is insufficient to make evidence-based recommendations for the choice for antibiotic to be used, highlighting an important evidence gap.


Description:

Thus, the goal of the proposed trial is to compare clinical efficacy and safety of two CAP antimicrobial treatments, amoxicillin and amoxicillin/clavulanate, in patients aged 65 years or older and hospitalized in a non-intensive care unit (ICU) ward. The CAPTAIN study will be a multi-center, randomized, open, non-inferiority trial comparing clinical efficacy at Day 30 among patients ≥65 years of age, and hospitalized in a non-ICU ward, treated with narrow-spectrum (amoxicillin) versus broad-spectrum (amoxicillin/clavulanate) antimicrobial therapy for CAP. This will be a pivotal clinical trial that will provide evidence to inform CAP treatment guidelines.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 326
Est. completion date April 15, 2027
Est. primary completion date April 15, 2027
Accepts healthy volunteers No
Gender All
Age group 65 Years and older
Eligibility Inclusion Criteria: 1. Patient aged 65 years or older with or without comorbidities defined by chronic diseases in immunocompetent patients, 2. Patient admitted to the hospital for a CAP defined by at least two clinical signs of pneumonia (cough, sputum production, dyspnea, tachypnea, or pleuritic pain, abnormal lung auscultatory sounds, fever (temperature > 38°C) or hypothermia (<36°C)), and had radiological evidence of a new infiltrate confirming pneumonia 3. Patient understanding oral and written French 4. Written informed consent obtained from patient prior to participation in the study (if the patient is unable to express in writing: consent by a trusted person). 5. Patients should be able to call and to answer to a phone call or to be with a relative who can help him to call or to answer questions notably raised by a medical staff belonging to the investigational site Exclusion Criteria: 1. Signs of severe CAP (abscess, massive pleural effusion, serious chronic respiratory insufficiency, ICU admission) 2. Patient requiring ICU admission, 3. Estimated Glomerular Filtration Rate < 30 ml/min, 4. Known immunosuppression (asplenia, neutropenia, agammaglobulinemia, transplant, myeloma, lymphoma, known HIV and CD4<200/mm3), 5. Exacerbation of chronic obstructive pulmonary disease, 6. Life-threatening state expected to lead to possible imminent death, 7. Suspected atypical bacteria requiring combined antibiotics therapy, 8. Legionella suspected, 9. Subjects with clinical or epidemiological environment leading to suspect a healthcare associated pneumonia with antibiotic resistant pathogen (including long-term care facility) 10. Patient known to be colonized with Pseudomonas aeruginosa or Enterobacteriaceae in the respiratory tract, 11. Suspicion of aspiration pneumonia, 12. Intercurrent infection requiring antibiotic treatment, 13. Administration of beta-lactam therapy for more than 24 hours before inclusion, 14. History of jaundice/hepatic impairment associated with amoxicillin/clavulanate acid, 15. History of bacterial pneumonia less than 1 month prior to study inclusion 16. History of hypersensitivity or allergy to beta-lactam or to any excipients included in study antibiotics, 17. Subject without health insurance, 18. Subject without home address or difficulty in terms of follow-up (vacation, job transfer, geographical distance, lack of motivation), 19. Patient under judicial protection, 20. Diagnosis confirmed of SAR-Cov2 infection (PCR Test, covid antigen rapid test, chest computed tomography (CT) scan), 21. Participation to another interventional study and having an exclusion period that is still in force during the screening phase or expected participation to another interventional study during participation to the CAPTAIN study

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Amoxicillin
Participants will be randomized to IV/oral amoxicillin or IV/oral amoxicillin/clavulanate for 5 days. Both agents are approved for treatment of respiratory infections. Amoxicillin PO: The dose is two capsule of 500 mg every 8 hours (that is 3 times daily). Amoxicillin IV: The dose is 1 g every 8 hours (that is 3 times daily)
Amoxicillin/clavulanate
Participants will be randomized to IV/oral amoxicillin or IV/oral amoxicillin/clavulanate for 5 days. Both agents are approved for treatment of respiratory infections. Amoxicillin/clavulanate PO: The dose is two tablets of 500 mg/62.5 mg every 8 hours (that is 3 times daily, approved standard dose) Amoxicillin/clavulanate IV: The dose is 1 g/200 mg every 8 hours (that is 3 times daily, approved standard dose)

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Nantes University Hospital

Outcome

Type Measure Description Time frame Safety issue
Primary Non-inferiority To investigate non-inferiority in terms of clinical efficacy among patients aged 65 years or older, hospitalized in a non-ICU ward for a CAP, and treated with narrow-spectrum (amoxicillin) versus broad-spectrum (amoxicillin/clavulanate) antimicrobial therapy, at Day 30 since hospital admission. To answer this question, clinical success rate at Day 30 since admission, defined as survival after completion of antibiotic treatment course, resolution of signs and symptoms of the infection (cough, purulent sputum production, dyspnea, or pleuritic chest pain) present at baseline with no new symptoms or complications attributable to CAP and no need for further antibacterial therapy will be determined Day 30 after inclusion (=Day 1)
Secondary Rates of early clinical response Early clinical response will be defined as survival with improvement of one or more levels relative to baseline in two or more symptoms of CAP and no worsening of one or more levels in other symptoms of community-acquired bacterial pneumonia, without receipt of rescue antibacterial therapy Day 3 after inclusion (=Day 1)
Secondary Clinical cure after the end of treatment The proposed endpoint of clinical cure after the end of treatment is defined as resolution in relevant signs and symptoms reported at baseline, no worsening of symptoms, and no change in antimicrobial regimen Within 30 days after inclusion (=Day 1) compared to baseline
Secondary To investigate total duration of antibiotic treatment, i.e., the total number of days with antibiotics during the Day 30 follow-up after hospital admission Days taking antibiotics from the first dose until the interruption of any antibiotic treatment during hospitalization and at late follow-up at Day 30 after hospital admission (to identify the use of any other antibiotic after hospital discharge defined as no IV, regain of autonomy identical to baseline, good clinical response and favorable evolution following initiation of antibiotics, other criteria left at the discretion of the investigators according to centers' practices) Day 30 after inclusion (=Day 1)
Secondary To investigate all-cause mortality at Day 30 after hospital admission All-cause mortality at Day 30 after hospital admission Day 30 after inclusion (=Day 1)
Secondary To investigate the rate of polymerase chain reaction (PCR)-positive Clostridium difficile among patients with diarrhea Number of positive polymerase chain reaction (PCR)-positive Clostridium difficile among patients with diarrhea Within 30 days after inclusion (=Day 1)
Secondary To investigate in-hospital mortality Number of deaths during hospitalization Within 30 days after inclusion (=Day 1)
Secondary To investigate ICU transfer during the Day 30 follow-up Number of patients transferred to the ICU during the Day 30 follow-up Day 30 after inclusion (=Day 1)
Secondary To investigate CAP recurrence and hospital readmissions up to day 30 from hospital admission Number of hospital readmissions and CAP recurrence up to day 30 from hospital admission Day 30 after inclusion (=Day 1)
Secondary To investigate adverse events attributable to antibiotics up to day 30 from hospital admission Number of adverse events attributable to antibiotics and number of days with adverse events up to day 30 from hospital admission Day 30 after inclusion (=Day 1)
Secondary To investigate compliance with the antibiotic treatment Number of days of antibiotic treatment taken Within 7 days after inclusion (=Day 1)
Secondary To investigate length of hospital stay Within 30 days after inclusion (=Day 1)
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