Summit Research Network (Portland, Oregon) is an independent medical research organization. Since 1976, we have worked in cooperation with pharmaceutical companies to develop medical treatments for a variety of conditions.

Beginning in the year 1999, Pacific Northwest Clinical Research Center joined with four similar sites across the country to form Summit Research Network. By expanding to become a national organization, Summit can marshall additional resources to provide the most advanced research techniques to help individuals with psychiatric conditions. Our staff includes physicians (psychiatry and internal medicine), psychologists, nurses, clinicians, clinical research coordinators, medical assistants and support personnel. In addition to our own staff, Summit contracts with physicians of various specialties who provide their own expertise to selected studies.

We are dedicated to improving medical treatment by conducting excellent scientific research. Our goal is to expand scientific knowledge while maintaining the highest quality patient care.

Summit Research specializes in clinical studies for Anxiety, Depression, Alcohol Related Problems, Attention Deficit Hyperactivity Disorder (ADHD), Bipolar Disorder, Chronic Low Back Pain, Fibromyalgia, High Cholesterol, Hypertension, Memory Loss: Alzheimer’s Disease, Memory Loss due to Strokes (Vascular Dementia), Mild Cognitive Impairment, Migraine, Obesity, Obsessive Compulsive Disorder (OCD), Panic Disorder, Post-Traumatic Stress Disorder (PTSD), Seasonal Affective Disorder (SAD), Smoking Cessation, and Social Anxiety Disorder.

Summit Research has one out-patient facility in the greater Portland area. This location has excellent access to freeways and public transportation.

Summit Research Network (Oregon), Inc.
2701 NW Vaughn Street
Suite 350
Portland, OR 97210 USA
Phone: 503-279-8252
Fax: 503-279-8926
E-mail: dkonrad@summitnetwork.com

Equipment & Diagnostic Services:

• Private offices, multiple exam rooms
• Phlebotomy draw/processing capabilities including centrifuges, refrigerators and -20° freezer.
• Medical equipment includes portable 12-lead ECG machines, scales, mercury sphygmomanometers.
• Secured drug storage room
• Access to Dry Ice

Ward T. Smith, MD
Director of Research/Principal Investigator

Ward T. Smith, MD, received a bachelor's degree in biology from Princeton University in 1961, and a medical degree from the University of Pennsylvania in 1965. He completed an internal medicine residency at Providence Hospital in Portland, Oregon, and a residency in psychiatry at Oregon Health Sciences University. He is currently Director of Research at Summit Research Network, formerly Pacific Northwest Clinical Research Center, which he established in 1976. He has been the principal investigator in over 300 clinical trials evaluating treatments of disorders of the central nervous system.

Scott Losk, PhD
Principal Investigator

Scott Losk, PhD, obtained a doctorate at Fuller Graduate School of Psychology in 1989, and did a post-doctoral fellowship in medical psychology at Oregon Health Sciences University. He has been in private practice since 1990, with an emphasis on clinical psychology, neuropsychology, and geriatric psychology. Dr. Losk joined Summit Research Network, formerly Pacific Northwest Clinical Research Center, also in 1990. He has been an investigator in over 50 clinical trials evaluating treatments of disorders of the central nervous system, and the principal investigator in over 25 clinical trials evaluating treatments for Alzheimer's Disease. Dr. Losk is active in the Alzheimer's community providing talks and presentations to caregivers and other professionals.

MaryAnn Colvard, MD
Principal Investigator

MaryAnn Colvard, MD, graduated from the University of Washington with a bachelor's degree in psychology in 1987, and a medical degree in 1991. She is board certified in internal medicine and completed her internal medicine residency at the University of Hawaii in 1995. Before joining Summit Research Network in 2002, Dr. Colvard practiced as a primary care physician for Providence Medical Group and Kaiser Permanente. At Summit she enjoys focusing on clinical research and mental health.

James Bergthold, MD
Principal Investigator

James Bergthold, MD, received a bachelor's degree in biology in 1986 from Biola University and a medical degree from the Medical College of Wisconsin in 1992. Following his residency in internal medicine from Oregon Health Sciences University in 1995, he was a partner at HealthFirst Medical Group and the Providence Medical Group. Dr. Bergthold's special interests include geriatric medicine, cardiology and diabetes. He has been with Summit Research since 2001.

Josh Nelson, MD
Clinical Investigator

Josh Nelson, MD, received a bachelor’s degree from the University of Pennsylvania, and received his medical degree from the University of California at Davis. He completed his internship in Internal Medicine at Providence in Portland, Oregon before going on to complete his residency in Psychiatry at the University of Michigan. He worked for Kaiser Permanente in California before joining Summit Research in 2006. His clinical research interests include major depression and other affective disorders, anxiety disorders, ADHD, dementia, substance use and obesity.

Our well educated and highly trained staff includes:

• Board Certified Physicians
• Licensed Psychologists
• Adult Nurse Practitioners
• Registered Nurses
• Certified Clinical Research Coordinators
• Certified Medical Assistants
• Support Personnel

Many staff members have been associated with Summit Research for 10 years or more.

We draw patients from the greater Portland metropolitan area, as well as southwestern Washington (population approximately 2 million).

• Able to utilize Central IRB's
• Experience with remote data entry
• Quality Assurance monitoring
• Aftercare program for study participants
• Comprehensive advertising program and experienced staff

CenterWatch is listing the following trials that are actively recruiting patients at this center.

• ADHD Research Study
• ADHD Research Study
• Anxiety Research Study
• Anxiety Research Study
• Bipolar Disorder Research Study
• Bipolar Research Study
• Fibromyalgia Research Study
• Hypertension Research Study
• Insomnia Research Study
• Looking for help with Depression?
• Memory Loss Research Study
• Obesity Research Study
• Obesity Research Study

For more information, please contact:

Annika Truitt, BS
Manager - Research Operations
Summit Research Network (Oregon), Inc.
2701 NW Vaughn Street
Suite 350
Portland, OR 97210 USA
Phone: 503-279-8252
Fax: 503-279-8926
E-mail:

If you are interested in contacting this center to discuss placing a clinical trial there, please complete and send the E-mail form below. A representative from the research center will then follow up with you.

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Last updated on August 26, 2008