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 [email protected].
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 [email protected] 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 & Non-Childbearing Females
Healthy Male & Non-Childbearing Female Volunteers (Geranium Cohort 3)
Pharmaron, located in downtown Baltimore, is currently seeking healthy male and female of non-childbearing potential volunteers to participate in a clinical research study of a drug (GNS-3545) which is being developed for the potential treatment of Idiopathic Pulmonary Fibrosis (IPF).
To qualify you must be:
- Healthy male or non-childbearing female, 18 – 55 years old inclusive at screening
- Weigh ≥ 110 lbs (≈50 kg)
- BMI: 18-32
- Non-Smoker
- Inpatient period of 18 days/17 nights
- 1 follow-up visit on Day 21
Eligible participants will be compensated up to $9,720 for their time and travel if all study procedures are completed.
To register for a clinical trial, contact our recruitment department at 240.673.0900 or send an email to [email protected].

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 [email protected].

Seeking Healthy Males & Non-Childbearing Females
Healthy Male & Female Volunteers (Gemini)
Pharmaron, located in downtown Baltimore, is currently seeking healthy male and female of non-childbearing potential volunteers to participate in a clinical research study of a drug (GS-US-200-5710) which is being developed for the potential treatment of HIV.
To qualify you must be:
- Healthy male or female, 18 years old or above
- Weigh ≥ 110 lbs (≈50 kg)
- BMI ≥ 18
- Non-Smoker
- Inpatient period of 17 days/16 nights
- 18 follow-up visits with 4 follow-up phone calls
Eligible participants will be compensated up to $18,650 for their time and travel if all study procedures are completed.
To register for a clinical trial, contact our recruitment department at 240.673.0900 or send an email to [email protected].

Seeking Healthy Males
Healthy Male Volunteers (SEOUL)
Pharmaron, located in downtown Baltimore, is currently seeking healthy male volunteers to participate in a clinical research study to evaluate GlyphAllo that is being developed for the potential treatment of neurological and psychiatric disorders such as depression.
To qualify you must be:
- Seeking Healthy Males
- Ages: 18-55 at screening
- BMI: 18.5 – 30 at screening
- Non-smokers
- Must be available for an inpatient period of 12 days/11 nights and a 24-hour return visit on Day 17/18
Qualified participants will be compensated up to $7,875 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 [email protected].

Seeking Healthy Males & Females
Healthy Male & Female Volunteers (Amber Cohort 1-3)
Pharmaron, located in downtown Baltimore, is currently seeking healthy male and female volunteers to participate in a clinical research study to evaluate Study Drug that is being developed for the potential treatment of Alzheimer’s Disease, Parkinson’s Disease, Dementia, and Rett Syndrome.
To qualify you must be:
- Healthy Male or Female
- Aged 30-55 inclusive at screening
- BMI 18-32 at screening
- A non-smoker
- This study will include 1 inpatient stay of 7 days/6 nights, and 1 inpatient stay of up to 12 days/11 nights, with 1 follow-up visit 14 days after discharge
Qualified participants will be compensated up to $8,300 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 [email protected].

Seeking Healthy Males & Females
Healthy Male & Female Volunteers (MISTLETOE)
Pharmaron, located in downtown Baltimore, is currently seeking healthy male and female volunteers to participate in a clinical research study to evaluate investigational drug that is being developed for the potential treatment of central nervous system disorders (conditions affecting the brain), such as schizophrenia.
To qualify you must be:
- Ages: 18-55
- BMI 18.5-30
- Weigh between 121 lbs. – 220 lbs.
- Non-Smokers
- This study will include 1 inpatient stay of up to 12 days/11 nights, with 1 follow-up visit 3 days after discharge
Qualified participants will be compensated up to $5,550 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 [email protected].