Clinical trials: Amplification
Chronic Pain
Central Nervous System Amplification in Lumbar Failed Back Surgery Syndrome
The purpose of this study is to learn whether or not certain risk factors and patient characteristics are linked with and possibly can predict the development of chronic pain after lumbar spine surgery.
- Trial name
- NCT03444168
- Where
- United States
- Volunteers
- 158 people, healthy volunteers welcome
- Sponsor
- University of Kansas Medical Center
Neisseria Gonorrhoeae Infection, Chlamydia Trachomatis Infection
Performance of Nucleic Acid Amplification Tests for the Detection of NG and CT
The purpose of this study was to use participant samples to simultaneously evaluate three nucleic acid amplification tests (NAATs) diagnostic platforms.
- Conditions
- Neisseria Gonorrhoeae Infection, Chlamydia Trachomatis Infection, Sexually Transmitted Infections
- Trial name
- pNAAT (NCT02870101)
- Testing
- Nucleic acid amplification test 1 for NG and CT, Nucleic acid amplification test 2 for NG and CT, Nucleic acid amplification test 3 for NG and CT
- Where
- 9 sites in United States
- Volunteers
- 2,767 people, healthy volunteers welcome
- Sponsor
- Duke University
Hearing Loss
Personal Sound Amplification Smartphone Application Feasibility
Find a personal sound amplification device that can help people hear better.
- Trial name
- PSAD (NCT03652909)
- Testing
- Ascending Hearing Technologies device
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Medical College of Wisconsin
Hearing Loss
Restoration of Spectral Resolution With Hearing-aid Amplification
The objective of this study protocol is to determine the efficacy of using aided measures of spectral resolution to set the dynamic range of hearing with hearing-aid amplification.
- Trial name
- NCT03850678
- Testing
- Hearing Aid
- Where
- United States
- Volunteers
- 209 people, healthy volunteers welcome
- Sponsor
- University of Nebraska Lincoln
Auditory Perception
Comparison of PSAPs in Different Maskers
This study will measure the performance of three personal amplification devices when used by middle-aged adults. Speech understanding will be assessed with two different types of background noises at three different input levels.
- Trial name
- NCT03704142
- Testing
- Sound World Solutions CS50+, Tweak Focus, IQ Earbuds
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Massachusetts, Amherst