Clostridium InfectionsNCT00446355
Clinical Outcomes of Patients With Clostridium Difficile Associated Disease Attributable to Diverse tcdC Genotypes
An observational study of Clostridium Infections, run by University of Pittsburgh at 1 site in United States.
Trial summary
The purpose of the study is to establish the clinical disease outcomes and features of CDAD associated with variant tcdC genotypes. Two hypotheses are to be tested in this study: 1. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Clostridium Infections
- How many people
- 1,000 participants
- Where
- 1 siteUnited States
- Study dates
- Feb 2007to Apr 2009
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: CDAD confirmed
Who may be able to join
- All patients who have confirmed CDAD, confirmed by testing at UPMC's clinical microbiology lab in March 1, 2001- December 31, 2005 for C. difficile by stool toxin test with subsequent positive culture for the organism from inpatients/outpatients at UPMC Presbyterian-Montefiore, from WPIC inpatient units, from ER visits at the Presbyterian University Hospital emergency department, and from clinics closely affiliated with UPMC Presbyterian (medical and surgical clinics in Falk Clinic, the 9 South Montefiore internal medicine clinic, the geriatrics clinic in Montefiore, and the digestive disorders center (GI clinic on 3rd floor of PUH).
Who cannot join
None listed.
Trial locations and contacts
1 site in 1 country.
United States1 site
University of Pittsburgh Medical Center
Pittsburgh, Pennsylvania, 15213
About this study
The purpose of the study is to establish the clinical disease outcomes and features of CDAD associated with variant tcdC genotypes. Two hypotheses are to be tested in this study:
- Severe CDAD and tcdC truncation: Severe CDAD (defined by death and/or colectomy or secondary endpoints) is associated with severe truncations (> 6 amino acid residues) in TcdC, a negative regulator of toxin A/B production.
- Disease in low risk populations (patients never exposed to health care facilities and/or patients who never received antibiotics) of any severity is attributable to strains of C. difficile with severe tcdC truncation.
Read the detailed description
The following information will be collected: age, sex, occupation, hospital location at the time of positive culture (ER, medical ward, ICU etc), prior hospitalization, receipt of outpatient dialysis, home care or other regular medical care (eg, outpatient chemotherapy), date of specimen collection, presence of invasive devices, receipt of antibiotics, including their type and whether they were adequate for the resistance profile of the organism, prior positive microbiologic cultures, time and location of positive cultures, underlying diseases and severity of illness, presence of urinary or intravascular devices, recent immunomodulative therapies or radiation therapy, physical exam findings, laboratory and radiographical data, antimicrobial usage within 6 months of onset of the infection, microbiological data and resistance patterns, choice of antibiotics once organism identified, bacteriological outcomes, laboratory results, demographic information, medications, clinical outcome,gender, height, weight, ethnicity, past medical history and outcomes. We will collect information retrospectively.
- Conditions
- Clostridium Infections
- Keywords
- C diff, antibiotics
- Medical subject headings
- Clostridium Infections
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted12 Mar 2007 (estimated)
- Study startFeb 2007
- Primary completionApr 2009
- Study completionApr 2009
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Clostridium InfectionsStudies of the same condition, open and under way.
- More trials run by University of PittsburghThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Case-control
- Time perspective
- Retrospective
- Enrolment
- 1,000 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University of Pittsburgh
- Sponsor type
- University, hospital or other
- Investigators
- Scott Curry, MD, Principal investigator, University of PittsburghLee Harrison, MD, Study director, University of Pittsburgh
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00446355
- Sponsor's protocol ID
- PRO07010069
- Status last verified
- Apr 2009
- First submitted
- 8 Mar 2007
- Last updated
- 14 Apr 2009
- Results posted
- No
- Data monitoring committee
- Yes
Study at a glance
From the registry record, last updated by the sponsor on 14 Apr 2009. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Clinical Outcomes of Patients With Clostridium Difficile Associated Disease Attributable to Diverse tcdC Genotypes
- ClinicalTrials.gov ID
- NCT00446355
- Acronym / sponsor ID
- PRO07010069
- Conditions
- Clostridium Infections
- Keywords
- C diff, antibiotics
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 1,000 participants (estimated)
- Lead sponsor
- University of PittsburghUniversity, hospital or other
- Study start
- Feb 2007
- Primary completion
- Apr 2009 (actual)
- Study completion
- Apr 2009 (actual)
- First posted
- 12 Mar 2007 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of the study is to establish the clinical disease outcomes and features of CDAD associated with variant tcdC genotypes. Two hypotheses are to be tested in this study:
- Severe CDAD and tcdC truncation: Severe CDAD (defined by death and/or colectomy or secondary endpoints) is associated with severe truncations (> 6 amino acid residues) in TcdC, a negative regulator of toxin A/B production.
- Disease in low risk populations (patients never exposed to health care facilities and/or patients who never received antibiotics) of any severity is attributable to strains of C. difficile with severe tcdC truncation.
Detailed description
The following information will be collected: age, sex, occupation, hospital location at the time of positive culture (ER, medical ward, ICU etc), prior hospitalization, receipt of outpatient dialysis, home care or other regular medical care (eg, outpatient chemotherapy), date of specimen collection, presence of invasive devices, receipt of antibiotics, including their type and whether they were adequate for the resistance profile of the organism, prior positive microbiologic cultures, time and location of positive cultures, underlying diseases and severity of illness, presence of urinary or intravascular devices, recent immunomodulative therapies or radiation therapy, physical exam findings, laboratory and radiographical data, antimicrobial usage within 6 months of onset of the infection, microbiological data and resistance patterns, choice of antibiotics once organism identified, bacteriological outcomes, laboratory results, demographic information, medications, clinical outcome,gender, height, weight, ethnicity, past medical history and outcomes. We will collect information retrospectively.
Study design
- Observational model
- Case-control
- Time perspective
- Retrospective
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- CDAD confirmed
Key inclusion criteria (1 listed)
- All patients who have confirmed CDAD, confirmed by testing at UPMC's clinical microbiology lab in March 1, 2001- December 31, 2005 for C. difficile by stool toxin test with subsequent positive culture for the organism from inpatients/outpatients at UPMC Presbyterian-Montefiore, from WPIC inpatient units, from ER visits at the Presbyterian University Hospital emergency department, and from clinics closely affiliated with UPMC Presbyterian (medical and surgical clinics in Falk Clinic, the 9 South Montefiore internal medicine clinic, the geriatrics clinic in Montefiore, and the digestive disorders center (GI clinic on 3rd floor of PUH).
Key exclusion criteria (0 listed)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 14 Apr 2009.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Scott Curry, MD principal investigator
University of Pittsburgh
Lee Harrison, MD study director
University of Pittsburgh
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Clostridium Infections, run by University of Pittsburgh at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 0 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 14 Apr 2009. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Apr 2009; AzTrials last refreshed its copy on 7 Nov 2026.