Clinical Research Institute of Southern Oregon (Crisor) – Medford, Oregon

Center Information

Danuel Hamlin
Clinical Research Director
Clinical Research Institute of Southern Oregon (Crisor) – Medford, Oregon
3860 Crater Lake Avenue, Suite B
Medford, OR 97504

Currently Enrolling Trials

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Therapeutic Areas

Internal Medicine
Nutrition and Weight Loss
Pulmonary/Respiratory Diseases

Performance Metrics

Number of Studies Conducted: 675
Number of Active Patients in the Database: 10000
Average Number of Total Patients Enrolled: 16
Average Percent of Total Patients Randomized: 80%
Average Percent of ‘Completed’ Studies that met Enrollment Goals: 90%
EDC Capabilities: Yes

Staff Certifications
Number of Certified CRCs: 7
Number of Certified PIs: 1

ACRP Certifications
Number of ACRP Certified CRCs: 7


Founded in 1997, Clinical Research Institute of Southern Oregon (Crisor) has long been a foremost respiratory clinical research center in the United States, providing top quality clinical research to Southern Oregon and Northern California study participants. Crisor is a dedicated Phase 1b through 4 research site located in Medford, Oregon. Metropolitan Medford has a population of 210,000 with another 300,000 residents in the surrounding counties. The site is conveniently located just 10 minutes from the Medford airport.

From 1997-2018, Crisor has conducted over seven hundred clinical trials. The site is staffed with highly experienced research director, office manager, nine certified clinical research coordinators, a dedicated regulatory department, and four sub-investigators. All Crisor study coordinators are certified in clinical research and qualified to perform detailed procedures including spirometry, ECG, phlebotomy, IV infusions, lyophilized study medication preparation, PK samples, 24-hour visits, methacholine challenges, body box plethysmography, treadmill testing, exercise challenge testing, electronic case report forms, and other electronic systems utilized in clinical research. Clinical staff members complete annual GCP training.

Crisor has a long history of providing sponsors with market leading enrollment and top-quality collection of study data.


At CRISOR, we specialize in the following therapeutic areas (Phase 1 through 4):
  • Allergy and Immunology
  • Perennial Allergic Rhinitis
  • Seasonal Allergic Rhinitis
  • Cardiovascular
  • Hypertension
  • CAD
  • Endocrinology/Metabolism
  • Diabetes Mellitus, type 1 and 2
  • Metabolic Syndrome
  • Pain Management
  • Chronic Low Back Pain
  • Chronic, Non-Malignant Pain
  • Respiratory
  • Asthma (adult and pediatric)
  • COPD
  • Rheumatology
  • RA
  • OA
  • Gout


Crisor’s state-of-the-art research facility features the following:
  • 17 Exam Rooms
  • Spacious Conference Room
  • CLIA Waivered Lab Procedures
  • Central IRB
  • Six Dedicated Monitoring Rooms
  • Three Locked Temperature Monitored Drug Storage Rooms with Refrigerators
  • GDUFA Registered Site
  • Bioequivalence BA Retention Sample Compliant
Site Equipment:
  • Ambient & Refrigerated Centrifuges
  • Specimen Swirlers
  • Site ECG Machines
  • Portable ATS Compliant Spirometers
  • SensorMedics Body Box for Plethysmography & DLCO Testing
  • Freezers (-20 and -70 degree C)
  • Pulse Oximetry
  • Access to Diagnostic Imaging Services (X-ray, DEXA, CT, etc.)


Edward Kerwin, MD, CPI

Dr. Kerwin is the Founder and Medical Director of Crisor. Dr. Kerwin is Board Certified in Allergy, Asthma & Immunology. He is a Certified Physician Investigator and has conducted over 700 clinical trials since 1993.

Kevin Parks, MD

Dr. Parks has been with the Crisor research team since 2006. He is Board Certified in Internal Medicine and Allergy, Asthma, & Immunology and has conducted over 20 clinical trials as PI and assisted on over 300 as a Sub-Investigator since 2006.

Jaleh Ostovar, FNP-C

Jaleh has been with the Crisor team since 1998 and has over 22 years of experience in clinical research including assisting as a Sub-Investigator on over 500 trials.

Jennifer Milligan, PA-C

Jennifer has been with the Crisor team since 2000 and has assisted as a Sub-Investigator on over 400 trials.

Kary Kelly, FNP-C

Kary is the newest Sub-Investigator to join the Crisor team. She is an experienced Certified Nurse Practitioner and has assisted on over 20 trials.


The Research Staff at Crisor is not only certified and experienced, but we are extremely dedicated to providing the best quality medical care, continual quality improvement, as well as a comfortable experience to our study participants. Our staff includes:
  • Experienced and Certified Research Coordinators
  • Experienced and Certified Regulatory Specialist
  • Full time Sub-Investigators on site
  • Quality Improvement Staff


Crisor has an active database of study participants who are interested in volunteering for clinical trials, including those who have been reliable patients in the past. Our database is constantly expanding through continuous marketing with television, print, radio, direct mail, and internet advertising.

Special populations are readily available for seasonal and perennial allergic rhinitis, asthma, COPD, diabetes, osteoarthritis, gout, chronic low back pain, chronic pain, hypertension, and hypercholesterolemia when rapid enrollment is needed.

Contact Center

If you are interested in contacting this center to discuss clinical trials, please complete and send the email form below. A representative from the research center will then follow up with you.