NCT00643539

Brief Summary

The primary objective was to compare the bacteriological efficacy at Day 10 of azithromycin pediatric suspension (20 mg/kg/day once daily for 3 consecutive days) versus amoxicillin pediatric suspension (50 mg/kg/day in 2 doses for 6 consecutive days) in children aged 3-15 years with Group A streptococcal acute pharyngitis/tonsillitis. Secondary objectives were assessments of bacteriological efficacy at Day 30 and clinical efficacy at Day 10 and Day 30.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
360

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Dec 2002

Shorter than P25 for phase_4

Geographic Reach
1 country

45 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 1, 2002

Completed
7 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2003

Completed
4.7 years until next milestone

First Submitted

Initial submission to the registry

March 19, 2008

Completed
7 days until next milestone

First Posted

Study publicly available on registry

March 26, 2008

Completed
Last Updated

March 26, 2008

Status Verified

March 1, 2008

First QC Date

March 19, 2008

Last Update Submit

March 19, 2008

Conditions

Outcome Measures

Primary Outcomes (1)

  • Bacteriologic success (Eradication: elimination of the original GABS; or Colonization: elimination of the original GABS but isolation of another stain of GABS) or failure (Persistence: presence of original GABS on repeated culture samples) rate

    Day 10

Secondary Outcomes (5)

  • Bacteriological success or failure rate

    Day 30

  • Clinical success (resolution of signs and symptoms, or sufficient improvement; no additional antibacterial therapy indicated) or failure (insufficient improvement or worsening of signs and symptoms; additional antibacterial therapy indicated) rate

    Day 10

  • Clinical success or failure rate

    Day 30

  • Serious and non-serious adverse events (AEs) rates

    continuous

  • Rate of poststreptococcal complications and new disease occurrence since Day 10

    Day 30

Study Arms (2)

1

EXPERIMENTAL
Drug: Clamoxyl

2

EXPERIMENTAL
Drug: Zithromax

Interventions

azithromycin (Zithromax) pediatric suspension formulation (200 mg/5 ml) administered as an oral suspension at a dose of 20 mg/kg once a day (maximal dose 500 mg/day) for 3 consecutive days

2

Amoxicillin (Clamoxyl) pediatric formulation (500 mg/5 ml) administered as an oral suspension at a dose of 25 mg/kg twice daily (maximal dose 2 g/day) for 6 consecutive days

1

Eligibility Criteria

Age3 Years - 15 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may not qualify if:

  • Patients with pseudomembranous, vesicular, ulcerous or ulceronecrotic pharyngitis were excluded.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (45)

Pfizer Investigational Site

Ancenis, 44150, France

Location

Pfizer Investigational Site

Asnières-sur-Seine, 92600, France

Location

Pfizer Investigational Site

Auch, 32000, France

Location

Pfizer Investigational Site

Boulogne, 92100, France

Location

Pfizer Investigational Site

Brest, 29200, France

Location

Pfizer Investigational Site

Brivé, 19100, France

Location

Pfizer Investigational Site

Cannes LA BOCA, 06150, France

Location

Pfizer Investigational Site

Chambéry, 73000, France

Location

Pfizer Investigational Site

Champigny-sur-Marne, 94500, France

Location

Pfizer Investigational Site

Châlons-en-Champagne, 51000, France

Location

Pfizer Investigational Site

Combs-la-Ville, 77380, France

Location

Pfizer Investigational Site

Dijon, 21000, France

Location

Pfizer Investigational Site

Draguignan, 33170, France

Location

Pfizer Investigational Site

Draguignan, 83300, France

Location

Pfizer Investigational Site

Essey-lès-Nancy, 54270, France

Location

Pfizer Investigational Site

Lagny, 77400, France

Location

Pfizer Investigational Site

Les Sables-d'Olonne, 85100, France

Location

Pfizer Investigational Site

Les Ulis, 91940, France

Location

Pfizer Investigational Site

Levallois-Perret, 92300, France

Location

Pfizer Investigational Site

Marseille, 13006, France

Location

Pfizer Investigational Site

Marseille, 13013, France

Location

Pfizer Investigational Site

Marseille, 13014, France

Location

Pfizer Investigational Site

Massy, 91300, France

Location

Pfizer Investigational Site

Meudon-la-Forêt, 92360, France

Location

Pfizer Investigational Site

Meysieu, 69330, France

Location

Pfizer Investigational Site

Millery, 69390, France

Location

Pfizer Investigational Site

Nogent-sur-Marne, 94130, France

Location

Pfizer Investigational Site

Paris, 75004, France

Location

Pfizer Investigational Site

Paris, 75005, France

Location

Pfizer Investigational Site

Paris, 75015, France

Location

Pfizer Investigational Site

Paris, 75019, France

Location

Pfizer Investigational Site

Paris, 75020, France

Location

Pfizer Investigational Site

Saint-Marcel, 71380, France

Location

Pfizer Investigational Site

Saint-Quentin, 02100, France

Location

Pfizer Investigational Site

Salon-de-Provence, 13300, France

Location

Pfizer Investigational Site

Sartrouville, 78500, France

Location

Pfizer Investigational Site

Sélestat, 67600, France

Location

Pfizer Investigational Site

Strasbourg, 67100, France

Location

Pfizer Investigational Site

Thionville, 57100, France

Location

Pfizer Investigational Site

Tours, 37000, France

Location

Pfizer Investigational Site

Tresses, 33370, France

Location

Pfizer Investigational Site

Vandœuvre-lès-Nancy, 54500, France

Location

Pfizer Investigational Site

Varois-et-Chaignot, 21490, France

Location

Pfizer Investigational Site

Vence, 06140, France

Location

Pfizer Investigational Site

Versailles, 78000, France

Location

Related Links

MeSH Terms

Conditions

Tonsillitis

Interventions

AzithromycinAmoxicillin

Condition Hierarchy (Ancestors)

PharyngitisRespiratory Tract InfectionsInfectionsPharyngeal DiseasesStomatognathic DiseasesRespiratory Tract DiseasesOtorhinolaryngologic Diseases

Intervention Hierarchy (Ancestors)

ErythromycinMacrolidesPolyketidesLactonesOrganic ChemicalsAmpicillinPenicillin GPenicillinsbeta-LactamsLactamsAmidesSulfur CompoundsHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

March 19, 2008

First Posted

March 26, 2008

Study Start

December 1, 2002

Study Completion

July 1, 2003

Last Updated

March 26, 2008

Record last verified: 2008-03

Locations