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Blastocystis subtypes in symptomatic and asymptomatic family members and pets and response to therapy.

Not Applicable
Completed
Conditions
Irritable bowel like gastrointestinal symptoms in patients positive for Blastocystis carriage in their stool.
Response of symptomatic patients positive for Blastocystis to 14 days of therapy with metronidazole 400 mg three times daily or sulfamethoxazole/trimethoprim 160mg/800mg twice daily.
Specific subtypes of Blastocystis found in symptomatic patients compared to asymptomatic human and animal household members.
Oral and Gastrointestinal - Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
Registration Number
ACTRN12610001066077
Lead Sponsor
Dr Rebecca Traub
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
All
Target Recruitment
10
Inclusion Criteria

Chronic gastrointestinal symptoms

Exclusion Criteria

Other documented cause of gastrointestinal symptoms other than Blastocystis carriage

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Presence or absence of Blastocystis in stool samples before and after antibiotic therapy as assessed by fresh faecal smears, faecal culture and PCR analysis of both faecal specimens and faecal cultures.[Sample time points were baseline (0-2 weeks before therapy), Day 15, 28 and 56.]
Secondary Outcome Measures
NameTimeMethod
To assess how many asymptomatic human and animal household contacts of symptomatic patients were also positive for Blastocystis in their stool and to assess if there was any difference in Blastocystis subtypes between symptomatic and asymptomatic carriers.[Faecal samples were assessed at Day 15 in these groups with fresh faecal smears, faecal cultures and PCR analysis of both faeces and faecal cultures.]
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