Paid Research Studies in Nashville, Tennessee

Acne (Facial) Study

Clinical Research Associates is enrolling a new facial acne research study. We are looking for people who have moderate to severe facial acne. Participants will be given either an investigational topical gel or placebo (inactive ingredient) gel to use on their faces. To participate, you must:

  • be at least age 12.
  • have at least 20 different inflammatory lesions (pimples) on your face.

The study lasts up to 17 weeks and requires 7 office visits. Compensation is available. Click here for more information on the facial acne study.


Alzheimer's Study

If you or someone you love has been diagnosed with Alzheimer’s, consider participating in this new research study. We are enrolling people ages 55-85 who have been diagnosed with Alzheimer’s. We are looking for individuals who in the mild to moderate stages of the disease.

To qualify to participate, you must:

  • Be between the ages of 55 and 85
  • Have been diagnosed with Alzheimer’s.
  • Have mild to moderate Alzheimer’s.
  • Have no history of stroke.

The study lasts a total of 78 weeks. Twelve visits to our offices are required.  You will be evaluating either an investigational medication for Alzheimer’s or a placebo (inactive ingredient).

Compensation for your time and travel are available. Click here for more information on the Alzheimer's study.


Low Testosterone Study (for men)

Clinical Research Associates in Nashville is enrolling a Low Testosterone study for men. To participate, you must be between ages 18 and 60. Entire study lasts approximately 5 months. You will be required to complete:

  • 10 office visits
  • 1 overnight stay
  • 4 semen collections
  • 1 eye visit.

Men who have had a vasectomy are not eligible for this study. Participants will receive either the study medication or placebo. Participants receive study-related medication at no charge plus up to $2,500 compensation for their time and travel. Click here for more information on this Low T study.


Low Testosterone Study (for men)

Clinical Research Associates in Nashville is enrolling a Low Testosterone study for men. To participate, you must be between ages 18 and 80. Qualified participants will receive study-related:

  • Exams
  • Lab tests
  • Study medications

All of these are at no charge. Compensation is available. Click here for more information on the new Low T study.


Memory Loss Study

If you’ve noticed more forgetfulness and a decreased ability to function over the last year, you may be in the beginning stages of Alzheimer’s. If you have not been diagnosed and are between ages 50 and 85, call Clinical Research Associates in Nashville, TN. We are enrolling a new research study to evaluate an investigational medication for Alzheimer’s. It is designed for people who have not yet been diagnosed with the disease.

To qualify to participate, you must:

  • Be between the ages of 50 and 85
  • Have noticed a cognitive decline over the last year.
  • Have no history of stroke.

The study lasts a total of 2 years. Twelve office visits to our offices are required.  You will be evaluating either an investigational medication for Alzheimer’s or a placebo (inactive ingredient). Compensation for your time and travel are available. Click here for more information on the memory loss study.


Pain Medication Induced Constipation

Often the use of pain medication can cause constipation. We are enrolling patients in a research study to evaluate a medication for treatment of opioid-induced constipation.

You may be eligible to participate if you suffer from constipation and:

  • Are between ages 18 and 80
  • Have chronic pain that’s not related to a malignancy.
  • Take opioids for pain.

Participants will receive either the study medication or a placebo (inactive drug). The entire study lasts approximately 58 weeks. There are 11 office visits and 3 phone calls required. Participants receive study-related medication at no charge. Compensation is also available. Click here for more information on the opioid-induced constipation study.


Smoking Cessation Study

We are looking for people for a research study to stop smoking. To be eligible to participate, you must be:

  • Male or female
  • Age 18-75
  • Smoking at least 10 cigarettes a day
  • Truly motivated to quit.

The study lasts 24 weeks, with a total of at least 15 office visits and 11 phone contacts. Click here for more information on the smoking cessation research study.