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NCT07849907Recruiting

The Parasite and Infestation Study

Vanderbilt University Medical Center

Start Date

12/31/2024

Completion Date

12/1/2030

Summary

Many people have evidence of bugs, parasites, and infestation, but are told by others that they cannot find a cause. This distressing and frustrating experience can last for years, as the person seeks answers. The current study aims to understand the experience of these individuals. In a 1-2 hour session over Zoom, the investigators will ask participants questions about their experience, have them complete self-report questionnaires, and ask them to complete a few games on the computer. The investigators' goal is to help characterize and understand individuals with this experience to aid in better treatment and inform recommendations for providers.

Detailed Description

The current study aims to characterize the experiences of people who have evidence of bugs, parasites, and/or infestation but are told by physicians or other professionals (e.g. vets, pest control) that there is nothing wrong. The investigators seek to understand the emotional and cognitive aspects of this experience, through semi-structured interviews, self-report questionnaires, and cognitive tasks. The study will take a few hours and is conducted remotely, allowing for participation regardless of the participant's physical location. There is practically no aggregate information on this experience, with most current information relying on case reports and medical record review. The investigators hope to provide greater insights into this experience to guide support for individuals going through this difficult process.

Eligibility Criteria

Age Range: 18 years to 70 years

Inclusion Criteria: * Men and women aged 18-70 years old * At least 50% certain that they have an active infection/infestation/parasite, despite being told by doctor that they do not * Ability to read and speak English * Access to a computer or phone for virtual visit * No self-reported history of schizophrenia-spectrum disorder Exclusion Criteria: * Active substance use disorder (excluding nicotine and caffeine) * History of severe head trauma * Current use of antipsychotics * Serious medical or neurological illness known to interfere with cognitive functioning * Diagnosis of a learning disability or cognitive disorder

Interventions

OTHER

No intervention - observational study

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Conditions

Parasite and Infestation Physician-Patient Diagnostic Incongruency

Locations

Vanderbilt University Medical Center

Nashville, Tennessee 37212

United States