Patient-Centered Hearing Aid Trial

08/07/2025

We are excited to share that the P-CHAT study has been successfully completed! Thank you to all of the participants, audiologists, researchers, and support staff for making this project possible.

The full results are published in the Journal of Speech Language Hearing Research:

Trial Design: This is a randomized multisite noninferiority comparative-effectiveness clinical trial with three parallel branches comparing a bes...

04/01/2024

It’s bittersweet that we have officially finished seeing participants for our project. Thank you to all who made this possible! We’re excited to work on publishing the results. Check out our website for updates and additional studies that the Northwestern University Audio Research Laboratory is working on:

Mary is an audiologist with clinical and research experience. Her interests include improving access to hearing healthcare.

10/13/2023

We successfully finished enrolling new participants in the P-CHAT Study at the end of September! We’re so grateful for all who contributed along the way.

We look forward to sharing results with you soon! In the meantime, feel free to check out the Auditory Research Lab’s website for other studies:

Participate General Interest We have several research ongoing research projects at any time. Please review the list below and let us know if you are interested in any of the ongoing studies. Our projects typically require you to fill out questionnaires about your hearing or general health. They may....

06/23/2023

Dr. Mary Meskan again represented P-CHAT out in the community at the Riverside Township Community Health & Wellness Fair. We are only planning to accept new participants through September 2023, so visit https://p-chat.soc.northwestern.edu soon to find out if you or someone you know might be eligible to join!

06/23/2023

A bit of a throwback today, but we loved meeting community members at the College of DuPage Senior Expo in April, where Dr. Sumitrajit Dhar was invited to present on hearing loss and hearing aids.

05/13/2023

We had a great time providing resources and hearing screenings at the Quinn Center of St. Eulalia 2023 Health Fair this past weekend! If you missed us and want to learn more, please visit https://p-chat.soc.northwestern.edu to read about our ongoing multi-site hearing aid research study.

05/03/2023

Postdoctoral Research Fellow, Mary Meskan, recently represented P-CHAT at the 2023 Orland Park Sportsplex Family Health Fair. If you have not been able to have your hearing screened in person at one of these events you can still take an online screening to find out if you may be eligible to participate in our study. Visit https://p-chat.soc.northwestern.edu for more information.

04/18/2023

Exciting announcement!
We are expecting to completely fill our spots for new study participants by the end of September 2023. If you or a loved one are experiencing hearing loss and want to learn more about our project, visit https://p-chat.soc.northwestern.edu/.

03/15/2023

Come find the P-CHAT table and get a free hearing screening!

Start your day off right at the Family Health Fair and learn how to live a healthier lifestyle!
https://bit.ly/2023FamilyHealthFair

02/09/2023

Is it the right time for hearing aids? Clinical audiologist, Alexandra Brockner, lists things to consider:
https://youtu.be/_CM6-VmiH-4?t=569

01/19/2023

I’m interested in participating! What next?
https://youtu.be/_CM6-VmiH-4?t=851

Research assistant, Gabriel Lima, explains.