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Study protocol: Evaluation of efficacy and safety of Lascufloxacin in switch therapy for community-acquired pneumonia: a single arm, open-label clinical trial

Study protocol: Evaluation of efficacy and safety of Lascufloxacin in switch therapy for community-acquired pneumonia: a single arm, open-label clinical trial

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs071230001
Enrollment
120
Registered
2023-04-03
Start date
2023-05-22
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Community-acquired pneumonia

Interventions

Lascufloxacin intravenous infusion is administered at a dose of 300 mg for the first infusion and 150 mg for the second and subsequent infusions once a day. The duration of the infusion is 60 minutes

Sponsors

Mukae Hiroshi
Lead Sponsor
KYORIN Pharmaceutical Co.,Ltd.
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Patients who are 18 years and older at the time of informed consent. (2) Patients who present acute manifestation of infiltrates in chest X-ray or high-resolution computed tomography image obtained within 48 hours from the initiation start of the study drug. (3) Patients who meet both 1) and 2), 1)Patients who have at least one of the following symptoms, a. Cough b. Purulent sputum or sputum with increased purulence c. Abnormal findings in auscultation or percussion (moist rales, dullness to percussion, decreased breath sounds, etc.) d. Worsening of either or both dyspnea and tachypnea e. Fever: >=37 Celsius degrees (axillary temperature) 2)Patients who have at least one of the following, a. Increased CRP level b. Increased white blood cell count (>10,000 per cubic millimeter), or stab cells >15% c. Hypoxemia (PaO2<=60 Torr or SpO2<=90%) (4) Patients who are classified mild or moderate severity by the A-DROP scoring system (5) Patients who have written consent from the patient or his / her representative to participate in the study

Exclusion criteria

Exclusion criteria: (1) Patients with a previous history of hypersensitivity or serious adverse reaction to quinolones (2) Patients with QT prolongation (QTc>=500ms) (3) Patients with hypokalemia (K8.0% regardless of treatment, patients with advanced cancer whose prognosis cannot be expected during the observation period, patients with advanced cancer requiring surgery, etc.) (12) White blood cell count <2,000 per cubic millimeter at the medical facility (13) Active tuberculosis (including suspected cases), the following diseases for which pneumonia evaluation is not possible: primary lung cancer, malignancy with lung metastases, eosinophilic pneumonia, interstitial pneumonia, cystic fibrosis (14) Respiratory infection patients caused by pathogens (acid-fast bacteria, fungi, viruses, etc.) that are unlikely to respond to study drugs (15) Patients with bronchial obstruction or a history of obstructive pneumonia (patients with COPD are not excluded) (16) Patients receiving systemic administration of other antimicrobial agents within 7 days prior to study drug administration (small-dose long-term macrolide and trimethoprim-sulfamethoxazole combination prophylaxis are not excluded) (17) Patients with active hepatitis B or C virus infection, or HIV infection (18) Patients with recurrent aspiration pneumonia (19) Patients with performance status 3 or 4 (20) Patients who are participating in other interventional studies (21) Patients who are judged unsuitable for participation of this trial by the principal or sub-investigator

Design outcomes

Primary

MeasureTime frame
Cure rate at the time of test of cure (TOC) among switch therapy practitioners

Secondary

MeasureTime frame
1.Percentage of patients treated with switch therapy 2.Results at early clinical evaluation, end of treatment (EOT), and TOC 3.Length of hospital stay 4.Factors for non-switch therapy

Contacts

Public ContactNaoki Hosogaya

Nagasaki University Hospital

nhosogaya@nagasaki-u.ac.jp+81-95-819-7726

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026