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Safety and Efficacy of Solithromycin in Adolescents and Children With Community-Acquired Bacterial Pneumonia

Phase 2
Terminated
Conditions
Community-acquired Bacterial Pneumonia
Interventions
Drug: Standard of Care
Registration Number
NCT02605122
Lead Sponsor
Melinta Therapeutics, Inc.
Brief Summary

This is a phase 2/3, randomized, open-label, active control, multi-center study to assess the safety and efficacy of solithromycin in children and adolescents with community-acquired bacterial pneumonia (CABP).

Detailed Description

Subjects who meet all inclusion/exclusion criteria and sign the informed consent/assent were enrolled. Subjects were randomized to receive solithromycin or a comparator antibiotic, administered IV and/or by mouth (PO) based on weight and age. Subjects were treated daily for 5 to 7 days with oral solithromycin and 5 to 7 days with IV or IV-to-oral solithromycin. Subjects were treated for 5 to 10 days with comparator antibiotics. Subjects received safety and efficacy assessments during and after treatment.

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
97
Inclusion Criteria
  • History of and/or documented fever (rectal, ear, or oral temperature ≥38°C or axillary temperature ≥37.5°C) or hypothermia (rectal, ear, or oral temperature <35°C or axillary temperature <34.5°C)

  • Chest radiograph infiltrates consistent with bacterial pneumonia (or pneumonia caused by atypical bacterial agents); if a subject is outpatient and starting on oral therapy, a radiograph is not required.

  • Presence of at least 2 of the following signs or symptoms:

  • Cough

  • Difficulty breathing

  • Production of purulent sputum

  • Chest pain

  • Grunting

  • Hypotension

  • Tachycardia, defined as follows:

    2 months to <24 months: ≥160 beats/min 24 months to <10 years: ≥140 beats/min

    • 10 years: ≥100 beats/min
  • Tachypnea, defined as follows:

    2 months to <12 months: ≥50 breaths/min 12 months to <5 years: ≥40 breaths/min

    • 5 years: ≥20 breaths/min
  • Physical exam consistent with pulmonary consolidation

  • Presence of at least 1 of the following:

  • Leukocytosis (≥12,000 white blood cells [WBC]/mm3)

  • Leukopenia (<5000 WBC/mm3)

  • ≥10% immature neutrophils (bands) regardless of total peripheral WBC

  • Elevated inflammatory markers (C-reactive protein or procalcitonin)

  • Oxygen saturation <97% on room air

  • Organism consistent with a typical respiratory pathogen identified

Exclusion Criteria
  • Ventilator-associated or hospital-acquired pneumonia
  • >48 hours of systemic antibacterial therapy
  • confirmed or suspected bacterial meningitis
  • breast-feeding females
  • positive pregnancy test

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
SolithromycinSolithromycinSolithromycin will be administered orally, as capsules or as a suspension, or intravenously. Patients may receive intravenous therapy initially and switch to an oral formulation. Dosage is weight based and age based.
Standard of CareStandard of CareComparators will be selected according to subject age and are consistent with current recommendations for treatment of CABP in children. These include intravenous ceftriaxone, ampicillin, and amoxicillin and oral amoxicillin and amoxicillin-clavulanic acid. Azithromycin or erythromycin may be added as well.
Primary Outcome Measures
NameTimeMethod
Overview of Adverse Events By Treatment ArmUp to 28 days post-treatment

Summary of subjects experiencing Treatment Emergent Adverse Events (TEAE) through Day 16 visit and Treatment Emergent Serious Adverse Events (TESAE) through Day 28 visit (28 days +/- 4 days after randomization)

Secondary Outcome Measures
NameTimeMethod
Summary of Clinical CureShort-term follow-up at 16 days (+/- 4 days)

Clinical cure was assessed using the latest efficacy evaluation conducted on Day 16 (+/- 4 days) post-randomization, and was defined as resolution of all presenting signs/symptoms of CABP (excluding cough), no development of new signs/symptoms of CABP, and no requirement for an additional antibiotic.

Summary of Early Clinical ResponseDuring Treatment Days 3 to 4

Early clinical response (ECR) was defined using the latest efficacy evaluation from Day 2 (if subject discharged prior to Day 2), Day3, or Day 4, and was defined as improvement in at least 1 presenting sign/symptom of CABP with no deterioration in any signs/symptoms of CABP and no requirement for an additional antibiotic.

Summary of Clinical ImprovementLast day of Treatment (+48 hours)

Clinical improvement was assessed using the latest efficacy evaluation conducted on last day of treatment (+48 hours), and was defined identically to the early clinical response.

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