Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.
COMPLETED
251 participants
OBSERVATIONAL
2021-10-05
2024-07-24
Brief Summary
Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.
Related Clinical Trials
Explore similar clinical trials based on study characteristics and research focus.
Evaluation of the Effects of Response Elaboration Training for Aphasia
NCT00125216
The Brain Processes Underlying Speech Motor Learning and Speech Production
NCT05918679
Neurobiology of Language Recovery in Aphasia: Natural History and Treatment-Induced Recovery
NCT01927302
Enhancing Language Function in Aphasia
NCT05443633
A Systematic Investigation of Phonetic Complexity Effects on Articulatory Motor Performance in Progressive Dysarthria
NCT03613038
Detailed Description
Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.
Conditions
See the medical conditions and disease areas that this research is targeting or investigating.
Study Design
Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.
CASE_CONTROL
PROSPECTIVE
Study Groups
Review each arm or cohort in the study, along with the interventions and objectives associated with them.
Patients with Cirrhosis
This group will be composed of 200 patients with cirrhosis. Patients will be enrolled regardless of compensated vs. decompensated status, prior history of HE, Model for End Stage Liver Disease (MELD), and cirrhosis etiology.
Home Recordings
If patients are willing to download the Winterlight application to their personal iOS devices this will be done at study visit 1. The application will send a notification to the patient once per month, requesting that they perform a paragraph reading task, a picture description task, and an animal naming task.
In-patient Recordings
If patients are admitted to UM hospital for suspected or confirmed OHE, with patient assent, physician study staff will assist the patient in recording a paragraph reading task, a picture description task, and an animal naming task.
Same-Day Study Visit - Regular Appointment
Staff will call patients in anticipation of in-person regular visits to set up a same-day study visit. Patients will record the three speech tasks at this time.
Same-Day Study Visit - Procedure
Staff will call patients in anticipation of in-person procedure visits to set up a same-day study visit, prior to procedure if sedation is planned. Patients will record the three speech tasks at this time.
Phone Call Follow-up Visits
Non-physician study staff will call the patients every 3 months and, using a phone script, will ask them survey questions about their hepatic health.
Patients without Cirrhosis
This group will be composed of 50 patients without cirrhosis to act as controls. They will have been found on Fibroscan to not have significant fibrosis.
Home Recordings
If patients are willing to download the Winterlight application to their personal iOS devices this will be done at study visit 1. The application will send a notification to the patient once per month, requesting that they perform a paragraph reading task, a picture description task, and an animal naming task.
Same-Day Study Visit - Regular Appointment
Staff will call patients in anticipation of in-person regular visits to set up a same-day study visit. Patients will record the three speech tasks at this time.
Interventions
Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.
Home Recordings
If patients are willing to download the Winterlight application to their personal iOS devices this will be done at study visit 1. The application will send a notification to the patient once per month, requesting that they perform a paragraph reading task, a picture description task, and an animal naming task.
In-patient Recordings
If patients are admitted to UM hospital for suspected or confirmed OHE, with patient assent, physician study staff will assist the patient in recording a paragraph reading task, a picture description task, and an animal naming task.
Same-Day Study Visit - Regular Appointment
Staff will call patients in anticipation of in-person regular visits to set up a same-day study visit. Patients will record the three speech tasks at this time.
Same-Day Study Visit - Procedure
Staff will call patients in anticipation of in-person procedure visits to set up a same-day study visit, prior to procedure if sedation is planned. Patients will record the three speech tasks at this time.
Phone Call Follow-up Visits
Non-physician study staff will call the patients every 3 months and, using a phone script, will ask them survey questions about their hepatic health.
Eligibility Criteria
Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.
Inclusion Criteria
* Able to provide informed consent in English
* Able to provide informed consent in English
* Fibroscan with stiffness \<7 kPa
Exclusion Criteria
* Prior stroke or Transischemic Attack (TIA)
* English not primary language for communication
* Alanine Aminotransferase (ALT) or Aspartate Aminotransferase (AST) \>5 times the upper limit of normal in the last year
* History of cirrhosis by imaging or histology or clinical decompensation
* Neurodegenerative disorder (other than hepatic encephalopathy) including Alzheimer's disease and dementia
* Prior stroke or TIA
18 Years
ALL
No
Sponsors
Meet the organizations funding or collaborating on the study and learn about their roles.
Winterlight Labs
INDUSTRY
University of Michigan
OTHER
Responsible Party
Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.
Patricia Bloom
Assistant Professor
Principal Investigators
Learn about the lead researchers overseeing the trial and their institutional affiliations.
Patricia Bloom, MD
Role: PRINCIPAL_INVESTIGATOR
University of Michigan
Locations
Explore where the study is taking place and check the recruitment status at each participating site.
University of Michigan Hepatology and Transplant Clinic
Ann Arbor, Michigan, United States
Countries
Review the countries where the study has at least one active or historical site.
Other Identifiers
Review additional registry numbers or institutional identifiers associated with this trial.
HUM00191626
Identifier Type: -
Identifier Source: org_study_id
More Related Trials
Additional clinical trials that may be relevant based on similarity analysis.