Anti-wolbachia treatment of onchocerciasis in an area co-endemic for loiasis

ISRCTN ISRCTN48118452
DOI https://doi.org/10.1186/ISRCTN48118452
Secondary identifying numbers IC-A4-CT 2002-10051 WP2C
Submission date
12/01/2006
Registration date
24/01/2006
Last edited
21/04/2010
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Infections and Infestations
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Dr Mark Taylor
Scientific

Liverpool School of Tropical Medicine
Pembroke Place
Liverpool
L3 5QA
United Kingdom

Phone +44 (0)151 7053112
Email mark.taylor@liv.ac.uk

Study information

Study designRandomised double blind placebo controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Other
Study typeTreatment
Scientific title
Study acronymWOLBACHFIL
Study objectivesAnti-wolbachia (doxycycline) treatment or anti-wolbachia treatment combined with standard anti-filarial treatment (ivermectin) has superior efficacy compared with standard anti-filarial treatment of onchocerciasis.
Doxycycline is a suitable and efficacious treatment for onchocerciasis in patients co-infected with loiasis
Ethics approval(s)Ethics approval received from the local medical ethics committee
Health condition(s) or problem(s) studiedOnchocerciasis, loiasis
Intervention200 mg/day oral doxycycline or matching placebo for six weeks
150 mg/kg oral single dose ivermectin or matching placebo for four months post commencement of doxycycline treatment
Intervention typeDrug
Pharmaceutical study type(s)
PhaseNot Specified
Drug / device / biological / vaccine name(s)Doxycycline, Ivermectin
Primary outcome measureSustained amicrofilaridermia in doxycycline or doxycycline and ivermectin-treated patients compared with ivermectin treated-patients assessed by levels of microfilaridermia in skin biopsies at 4, 12 and 21 months
Secondary outcome measuresMacrofilaricidal (curative) effects of doxycycline treatment assessed by ultrasonography, histology and ribonucleic acid (RNA) levels of adult worms in onchocercomas at 21 months
Overall study start date01/07/2003
Completion date31/03/2005

Eligibility

Participant type(s)Patient
Age groupAdult
SexBoth
Target number of participants180
Key inclusion criteria1. Mean microfilaridermia >10 mf/mg
2. Informed consent
Key exclusion criteria1. Body weight <40 kg
2. Ages <15 or >50
3. Patients receiving medication for chronic illness
4. Anti-filarial treatment in the last year
5. Alcohol or drug abuse
6. Abnormal renal or hepatic blood chemistry
7. Pregnancy
8. Lactation
Date of first enrolment01/07/2003
Date of final enrolment31/03/2005

Locations

Countries of recruitment

  • Cameroon
  • England
  • United Kingdom

Study participating centre

Liverpool School of Tropical Medicine
Liverpool
L3 5QA
United Kingdom

Sponsor information

Liverpool School of Tropical Medicine (UK)
University/education

Pembroke Place
Liverpool
L3 5QA
England
United Kingdom

Phone +44 (0)151 7053281
Email hemingway@liv.ac.uk
Website http://www.liv.ac.uk/lstm
ROR logo "ROR" https://ror.org/03svjbs84

Funders

Funder type

Government

European Commission (EC) (Contract IC-A4-CT 2002-10051)
Government organisation / National government
Alternative name(s)
European Union, Comisión Europea, Europäische Kommission, EU-Kommissionen, Euroopa Komisjoni, Ευρωπαϊκής Επιτροπής, Европейската комисия, Evropské komise, Commission européenne, Choimisiúin Eorpaigh, Europskoj komisiji, Commissione europea, La Commissione europea, Eiropas Komisiju, Europos Komisijos, Európai Bizottságról, Europese Commissie, Komisja Europejska, Comissão Europeia, Comisia Europeană, Európskej komisii, Evropski komisiji, Euroopan komission, Europeiska kommissionen, EC, EU

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 13/04/2010 Yes No