A Study of the Effectiveness of the Electronic Nose with C. difficile Infected Stool


Sponsor Protocol Number: 14-001369

About this study

The purpose of this study is to see how effective a new technology called the electronic nose is in identifying specific infection (C. difficile) from stool samples, by analyzing the gasses the stool gives off.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria

  • All English-speaking subjects, including minorities
  • > 18 years of age
  • Able to verbally consent to this study and who return a completed HIPAA form
  • Have a stool specimen at Mayo Clinic’s Clinical Microbiology Laboratory negative for pathogens or positive for C. difficile and negative for other pathogens


Exclusion Criteria 

  • Stool samples that are C. difficile negative, however are positive for another enteric pathogen by PCR or by culture will be excluded from the control arm
  • Samples that are positive for C. difficile and other enteric pathogens will also be excluded in this study.

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