Clinical Trial Recruitment (US)
Pharmaron offers expert clinical trial recruitment services in the US, supporting seamless participant enrollment to optimize clinical development and accelerate trial success.
Apply to Participate in a Current Clinical Trial Below
We have several open clinical trial studies that are recruiting volunteers. Hover over the images below for more details on each open study.
To gain more information about our clinical trials, or to register for a clinical trial, contact our recruitment department at 240.673.0900 or send an email to baltimore.recruiter@pharmaron-us.com.
Sign Up to Join Our Volunteer Database
If none of the studies below are a good fit, please contact our recruitment department at 240.673.0900 or send an email to baltimore.recruiter@pharmaron-us.com to be considered for upcoming studies when they become available. Qualified participants chosen for each study will be compensated for their time and effort.
Clinical Trial Studies

Seeking Healthy Males & Females
Healthy Male & Female Volunteers (ATHENA)
Pharmaron, located in downtown Baltimore, is currently seeking healthy male & female volunteers to participate in a clinical research study to evaluate GS-3242 that is being developed for the potential treatment of HIV-1.
To qualify you must be:
- Seeking Healthy Male or Female
- Ages: 18-45 at screening
- BMI: 19 – 30 at screening
- Non-smokers
- Must be available for an inpatient period of 29 days/28 nights with approximately 18 follow-up visits and 6 follow-up phone calls.
Qualified participants will be compensated up to $26,300 for their study-related time and travel.
To register for a clinical trial, contact our recruitment department at 240.673.0900 or send an email to baltimore.recruiter@pharmaron-us.com.

Seeking Healthy Males & Females
Seeking Healthy Male & Female Volunteers (Crypto)
Pharmaron, located in downtown Baltimore, is currently seeking healthy male and female volunteers to participate in a clinical research study to evaluate ED1048 that is being developed for the potential treatment of diarrhea caused by Cryptosporidium infection, also called Crypto.
To qualify, you must be:
- Healthy male or female, 18-50 years old
- Non-smoker
- One (1) inpatient period of 8-14 days, two (2) follow-up visits, and six (6) follow-up phone calls
Qualified participants will be compensated up to $9,750 for their study-related time and travel.
To register for a clinical trial, contact our recruitment department at 240.673.0900 or send an email to baltimore.recruiter@pharmaron-us.com.

Seeking Overweight/Obese Males & Females
Overweight/ Obese Male & Female Volunteers (AMETHYST)
Pharmaron located in downtown Baltimore, is currently seeking overweight/obese male & female volunteers to participate in a clinical research study to evaluate a study drug which is being developed as a possible treatment for weight reduction.
To qualify you must be:
- Overweight/Obese Male or Female
- Ages: 18-65 at screening
- BMI ≥ 27 at screening
- Non-smoker
- This study will include a 5 Day inpatient stay with 15 outpatient visits
Qualified participants will be compensated up to $7,000 for their study-related time and travel.
To register for a clinical trial, contact our recruitment department at 240.673.0900 or send an email to baltimore.recruiter@pharmaron-us.com.

Seeking Healthy Males
Healthy Male Volunteers (QUARTZ)
Pharmaron located in downtown Baltimore, is currently seeking healthy male volunteers to participate in a clinical research study to evaluate the study drug which is being developed as a possible treatment for breast cancer.
To qualify you must be:
- Healthy Male
- Ages: 18-55 at screening
- Weigh at least 110 lbs
- BMI: 18.5 – 32 at screening
- Non-smoker, Non-Alcoholic, & Free of recreational drugs
- This study will include up to 2 screening visits, a 4 Day/3 Night in-patient stay as well as 8 follow-up outpatient visits
Qualified participants will be compensated up to $5,750 for their study-related time and travel.
To register for a clinical trial, contact our recruitment department at 240.673.0900 or send an email to baltimore.recruiter@pharmaron-us.com.

Seeking Overweight/Obese Males & Females
Overweight/ Obese Male & Female Volunteers (SAPPHIRE SAD 2)
Pharmaron located in downtown Baltimore, is currently seeking overweight/obese male & female volunteers to participate in a clinical research study to evaluate a study drug which is being developed as a possible treatment for weight reduction.
To qualify you must be:
- Overweight/Obese Male or Female
- Ages: 18-65 at screening
- BMI ≥ 27 at screening
- Non-smoker
- This study will include a 5 Day inpatient stay with 19 outpatient visits
Qualified participants will be compensated up to $8,100 for their study-related time and travel.
To register for a clinical trial, contact our recruitment department at 240.673.0900 or send an email to baltimore.recruiter@pharmaron-us.com.