Diagnostic Odyssey Survey 2



Status:Recruiting
Conditions:Gastrointestinal
Therapuetic Areas:Gastroenterology
Healthy:No
Age Range:Any - 99
Updated:4/6/2019
Start Date:September 27, 2018
End Date:June 2019
Contact:Amy Holbert, MA
Email:Amy.Holbert@epi.usf.edu
Phone:813-396-9567

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A previous NAMDC survey study (NAMDC 7414 - Diagnostic Odyssey Survey, referred to hereafter
as Odyssey1), provided a benchmark account of the substantial challenges faced by patients in
achieving a diagnosis of mitochondrial disease, and of the impact such a diagnosis has on
them (Grier et al. 2018).1 This study was conducted from October 2015 through January 2016.
We propose a new survey study (Odyssey2) which will provide an update, additional data
collection (duration of the diagnostic odyssey), and allow assessment of next-generation DNA
sequencing techniques since Odyssey1 concluded.

Odyssey2 will retain the strengths (simplicity, brevity, confidentiality, and data quality
assurance measures) which made Odyssey1 successful. While Odyssey2 adds some refinements
based on experience learned from Odyssey1, the basic questions are changed as little as
possible to maximize comparability, and the additions are limited. Odyssey1 consisted of
between 16 and 23 questions, depending on skip patterns, and took an estimated 15 minutes to
complete. Odyssey2 consists of between 23 and 33 questions, depending on skip patterns and we
estimate that it will take approximately 20 minutes to complete. As in Odyssey1, only
patients who report, directly or through a guardian, that they have been informed by a doctor
that they have a confirmed mitochondrial disorder will be eligible for Odyssey2.

To gain an understanding of the "Diagnostic Odyssey" patients with mitochondrial disease
undergo the Odyssey2 survey will address the following 7 questions. The first 6 are the same
as in Odyssey1.

1. How much time typically elapses between when patients initially notice symptoms of a
mitochondrial disorder and when they receive the diagnosis of mitochondrial disease?

2. How many physicians do patients typically see before they receive the diagnosis of
mitochondrial disease?

3. What testing do patients typically undergo?

4. What other diagnoses, if any, do patients typically receive?

5. How did receiving a mitochondrial disease diagnosis impact the patient's life?

6. If the patient were to learn that their mitochondrial disease diagnosis was incorrect,
what impact would that have?

7. Have any of the above changed since Odyssey1 in the RDCRN results?

Upon collection, the survey data will be stored by the Rare Diseases Clinical Research
Network (RDCRN) Data Management and Coordinating Center (DMCC) at the University of South
Florida.

Upon conclusion of the study period, the data will be de-identified prior to being sent to
Dr. Seamus Thompson at the NAMDC Data Coordinating Center (DCC). The data will be analyzed by
a team which will include Drs. Thompson, Hirano, Karaa, and Yeske; and Ms. Shepard, the
project statistician. All data collected will be sent to a Federal data repository to be
stored indefinitely per the current RDCRN data sharing policy.

Inclusion Criteria:

-Individuals who report receiving a diagnosis of mitochondrial disease from a doctor, who
are enrolled in the Rare Diseases Clinical Research Network (RDCRN) NAMDC Contact Registry

OR

-Individuals who report receiving a diagnosis of mitochondrial disease from a doctor, who
are enrolled in the United Mitochondrial Disease Foundation (UMDF) Mitochondrial Disease
Community Registry (MDCR)

AND

-Individuals who are able to provide consent

AND

-Individuals who are able to complete the survey

Exclusion Criteria:

-Individuals who do not report receiving a diagnosis of mitochondrial disease from a
doctor, who are enrolled in the Rare Diseases Clinical Research Network (RDCRN) NAMDC
Contact Registry.

OR

-Individuals who do not report receiving a diagnosis of mitochondrial disease from a
doctor, who are enrolled in the United Mitochondrial Disease Foundation (UMDF)
Mitochondrial Disease Community Registry (MDCR).

OR

-Individuals who are unable to provide consent

OR

-Individuals who are unable to complete the survey
We found this trial at
1
site
4202 E Fowler Ave
Tampa, Florida 33620
(813) 974-2011
Phone: 813-396-9567
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