NCT01368341

Brief Summary

Tick borne diseases are increasing in Norway. Lyme borreliosis is the most common infection. Erythema migrans is mainly diagnosed and treated in general practice. There is disagreement about what antibiotic treatment that should be given. An RCT with the three most common antibiotics used, will support data for revision of national guidelines.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
225

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Jun 2011

Longer than P75 for phase_4

Geographic Reach
1 country

1 active site

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

June 1, 2011

Completed
5 days until next milestone

First Submitted

Initial submission to the registry

June 6, 2011

Completed
1 day until next milestone

First Posted

Study publicly available on registry

June 7, 2011

Completed
2.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2013

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2014

Completed
Last Updated

December 12, 2014

Status Verified

December 1, 2014

Enrollment Period

2.5 years

First QC Date

June 6, 2011

Last Update Submit

December 11, 2014

Conditions

Keywords

AntibioticsGeneral PracticeErythema migransBorreliaTicks

Outcome Measures

Primary Outcomes (1)

  • Duration of Erythema migrans (EM)

    On day 1 duration until first the consulation is registered. Day 1-14 the EM is registered in a patient diary. On day 14 the doctor is asked whether the EM has disseapeared. If not the patient is followed by phone from the researchers. On day 90 they are additionally asked for how long it lasted.

    1-90 days

Secondary Outcomes (5)

  • Subjective Health Complaints (SHC)

    1 year

  • Borrelia antibodies

    1-90 days

  • Side symptoms

    1-14 days

  • Side effects

    1-14 days

  • Subgrouping and TBE

    1-14 days

Study Arms (3)

Doxycycline

ACTIVE COMPARATOR

Doxycycline, 100 mg, tablets, b.i.d., 14 days

Drug: Doxycycline

Penicillin

ACTIVE COMPARATOR

Phenoxymethylpenicillin tablets 650 mg. 2 tablets t.i.d. 14 days

Drug: Phenoxymethylpenicillin

Amoxicillin

ACTIVE COMPARATOR

Amoxicillin 500 mg capsula, t.i.d., 14 days

Drug: Amoxicillin

Interventions

1 tablet, 100 mg, b.i.d. 14 days

Also known as: Doksycycline 100 mg HEXAL, no. 30
Doxycycline

Tablet 650 mg, 2 tablets, t.i.d., 14 days

Also known as: Weifapenin 650 mg, WEIFA, no. 100
Penicillin

Capsula, 500 mg, t.i.d., 14 days

Also known as: Amoxicillin 500 mg MYLAN, no. 30 + 20.
Amoxicillin

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Clinical diagnosis of Erythema migrans
  • Over the age of 18
  • Signing an concent form after information in writing

You may not qualify if:

  • Allergic to any of the three drugs in the study
  • Under the age of 18
  • Pregnancy
  • Dementia or known drug abuse
  • Antibiotic treatment last 14 days
  • Concommitant Chemotherapy or immunomodulating therapy
  • Concommitant use of medicine with potential interaction (defined in protocol)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Antibiotic Centre for Primary Care, University of Oslo

Oslo, 0318, Norway

Location

Related Publications (1)

  • Eliassen KE, Reiso H, Berild D, Lindbaek M. Comparison of phenoxymethylpenicillin, amoxicillin, and doxycycline for erythema migrans in general practice. A randomized controlled trial with a 1-year follow-up. Clin Microbiol Infect. 2018 Dec;24(12):1290-1296. doi: 10.1016/j.cmi.2018.02.028. Epub 2018 Mar 2.

Related Links

MeSH Terms

Conditions

Glossitis, Benign MigratoryErythema Chronicum MigransBorrelia InfectionsLyme Disease

Interventions

DoxycyclinePenicillin VAmoxicillin

Condition Hierarchy (Ancestors)

GlossitisTongue DiseasesMouth DiseasesStomatognathic DiseasesGram-Negative Bacterial InfectionsBacterial InfectionsBacterial Infections and MycosesInfectionsSpirochaetales InfectionsSkin Diseases, BacterialSkin Diseases, InfectiousTick-Borne DiseasesVector Borne DiseasesErythemaSkin DiseasesSkin and Connective Tissue Diseases

Intervention Hierarchy (Ancestors)

TetracyclinesNaphthacenesPolycyclic Aromatic HydrocarbonsHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsPolycyclic CompoundsPenicillinsbeta-LactamsLactamsAmidesSulfur CompoundsHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsAmpicillinPenicillin G

Study Officials

  • Morten Lindbak, Professor

    University of Oslo

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

June 6, 2011

First Posted

June 7, 2011

Study Start

June 1, 2011

Primary Completion

December 1, 2013

Study Completion

December 1, 2014

Last Updated

December 12, 2014

Record last verified: 2014-12

Locations