About Clinical Research
Study #0003
This clinical research study will be evaluating an investigational drug in people who have a history of kidney stones.
Are You a Good Fit?
Men & Women
Between 18 and 75 years of age
Body mass index (BMI) must be 18.5 to 38 kg/m2 with a minimum weight 105.7 lbs
A history of calcium oxalate kidney stones
- Receive up to $5,600 for your participation in this study

What are the Time Requirements?
This study will consist of four separate overnight stays and seven outpatient return visits. Study dates are as follows:
Group 1
Visit DatesFollow-up Phone Call
Friday, April 11, 2025
Monday, April 14, 2025
Stay
Monday, April 21, 2025 - Tuesday, April 22, 2025
Follow-up Phone Call
Monday, April 28, 2025
Tuesday, April 29, 2025
Stay
Tuesday, May 6, 2025 - Wednesday, May 7, 2025
Outpatient Visit
Wednesday, May 14, 2025
Wednesday, May 21, 2025
Wednesday, May 28, 2025
Stay
Tuesday, June 3, 2025 - Wednesday, June 4, 2025
Outpatient Visit
Wednesday, June 11, 2025
Wednesday, June 18, 2025
Wednesday, June 25, 2025
Stay
Tuesday, July 1, 2025 - Wednesday, July 2, 2025
Outpatient Visit
Wednesday, July 9, 2025
How Much: $5,600
BMI Calculator
Referral Program
Do not forget our REFERRAL PROGRAM. Earn at least $400 for every new participant you refer who completes a study.*
*No referral bonuses are paid out for outpatient vaccine studies.
All study dates are tentative and subject to change.
We will update the clinical research studies list weekly. Be sure to check with us either by calling or going online. Call (417) 831-2048 or visit 417studies.com for more information. You can also visit the Screening and Recruitment Center located at 2025 W. Sunshine Street, L-109. Office hours are Monday through Friday from 8 a.m. to 5 p.m.
Your physical screening will take place at the QPS Missouri Screening and Recruitment Center, located at 2025 West Sunshine Street, Suite L-109 in Springfield, Missouri.
Make sure to show up at your appointment time! If you are late, your appointment may have to be rescheduled depending on volume and availability.
Please remember, your screening appointment may to take up to 3-4 hours.
Requirements are as follows:
- Avoid donation of blood or plasma.
- Fast 8 hours prior to arrival (drink plenty of water during this time).
- You must provide your photo ID (You will not be able to screen without this!)
- Drink plenty of water the day before your Screening
- Alcohol should be avoided for 48 hours prior to Screening to avoid exclusion for a positive alcohol test.
Possible Procedures for screening (other than paperwork):
- DRUG SCREEN. IF YOU HAVE ANY REASON TO NOT PASS DUE TO ILLEGAL USE OF ANY DRUGS, PLEASE LET US KNOW!
- Vital Signs
- Height, weight and BMI
- Routine physical exam
- Lab work
- ECG
- Serum Pregnancy (for females)
- Spirometry (Smoking Studies)
Acceptable Forms of Birth Control:
- Hormonal contraceptives in conjunction with male condoms
- Intrauterine devices/systems
- Sexual abstinence
- Vasectomized partner
If you have previously submitted an application, call 417-831-2048 to enroll. Or click on the button below to submit your application now.