Hours of Operation:
Monday-Friday, 8 a.m. - 5 p.m.


1031 Office Park Rd #9,
West Des Moines, IA 50265


Integrated Clinical Trial Studies in West Des Moines, IA

Integrated Clinical Trial Services, Inc. in West Des Moines, Iowa, wants each participant to actively contribute in clinical trial studies. Our mission is to:

•  Provide safe management of research participants while providing and maintaining the quality and integrity of study data.
•  Ensure research participants are treated ethically, fairly and are thoroughly informed regarding any possible risk of a study so they may make an appropriate decision to participate.
•  Improve overall healthcare by providing a facility and professional services whereby pharmaceutical companies and physicians partner to bring new medicines to market.

Contact us for more details on our participant-friendly clinical studies in West Des Moines, Iowa.


Dedicated Staff

Kristine Majors, RN, MS

Kristine Majors currently co-owns and oversees all aspects of clinical operations at ICTS. She works with sponsors and contract research organizations to procure the appropriate studies with indications that match the principal investigator's preferences. Kristine has over 15 years of experience in conducting her own investigator initiated research and is published in medical journals. Over the past 22 years, she has completed clinical trials in cardiology, dermatology, family practice, gastroenterology, internal medicine, pain management, and pediatrics. She graduated with an Associate in Applied Sciences Degree in Nursing. She obtained her bachelor's of Science degree from the College of Saint Francis and completed her Master of Science in Education at Drake University in 1997.

Joe Majors

Joe Majors co-owns ICTS and acts as the director of administration. He currently handles all regulatory issues, oversees drug administration, and provides backup for study coordinators. Mr. Majors studied Business Management at Ohio State University. Joe Majors is also the creator of "Prepared," a job search program.


James Coggi M.D.

James Coggi M.D. has been with Integrated Clinical Trial Services, Inc. (ICTS) as a principal investigator (P.I.) since 2006 involving many therapeutic areas. He is board-certified in pediatric medicine and specializes in newborn, pediatric and adolescent care. He has an active private practice located right next door to ICTS with a connecting door between the two clinics. Over the years, Dr. Coggi has completed numerous adult clinical trials with vast experience within the dermatology and respiratory arena. He genuinely enjoys participating in clinical trials and appreciates being on the cutting edge of medicine and “assisting patients in advancing tomorrow’s medicines today.” Dr. Coggi brings valuable research experience to ICTS and provides great hands-on teaching with the whole research team. He is very knowledgeable in both adult and pediatric medicine and is a true pleasure to have working within the research industry and clinic.

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Todd Treimer D.O.

Dr. Treimer graduated from Des Moines University College of Osteopathic Medicine in 1993. He completed his family practice residency at the University of Iowa. Dr. Treimer specializes in family practice and has over 30 years of experience in the field of medicine. He has worked in the greater Des Moines area as well as in rural communities in Iowa and within the Iowa Department of Corrections.

Prior to joining ICTS Research, Dr. Treimer has led other clinical trials as a principal investigator (P.I.) and is excited to return to participating in clinical trials. He is interested in a variety of therapeutic areas that have potential to provide patients with new ways to prevent, detect, and/or treat disease. He enjoys partnering with patients with chronic illnesses to improve their quality of life.

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Sarah Parrott D.O. , FAAFP

Dr. Parrott is a Fellow of the American Academy of Family Physicians (FAAFP) and is the Chair and Associate Professor of family practice at Des Moines University College of Osteopathic Medicine. She is trained to take care of patients of all ages and ethnicities from infancy to centurions. She enjoys partnering with patients who have multiple chronic conditions to set and meet each patient’s health care needs. One of Dr. Parrott’s passions that she finds professionally rewarding is teaching and mentoring medical students.

Besides teaching and mentoring medical students, Dr. Parrott also enjoys and appreciates being on the cutting edge for potential new treatments for her patients. She joined Integrated Clinical Trial Services, Inc. in January 2023 and is excited to participate in clinical trials with a variety of indications. She has special interests in obesity management as well as providing compassionate care for the LGBTQ+ and diverse populations.

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Mary Barkley

Mary joined ICTS as a Sub-Investigator in January of 2023. According to Mary, she has always been a scientist at heart and is very curious about the seven wonders of the world. As a family practice nurse her curiosity grew into research and a love for evidence-based literature. She has a twenty-year career in trauma nursing, cardiac intensive care, and burn neuro trauma unit(s). She was charged with reviewing and implementing best practices for trauma patients and in 2010 Mary earned the distinguished status of the Nurse Excellence Award. She has presented at national meetings and is published.

Since research is a vital part of Mary’s FNP-C practice of applying evidence-based literature with patient care and education, she became interested in being involved in the clinical trials arena. Mary is a very patient centric health care provider and has a passion for pursuing best practices and driving positive patient outcomes. She is thrilled to be a part of the ICTS team and is excited to be on the cutting edge of potential new treatment options for her patients.


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Christie Collins P.A.
Christie graduated from Des Moines University in 2015 with her masters in physician assistant studies. She completed her undergraduate work studying fine art/photography at Arizona State University in 2003 before transitioning into health care. Christie has been working in the Urgent Care setting since graduating in 2015. She joined ICTS in 2023 and is excited about working in the field of clinical trials research.


Brett Majors
General Manager

Brett Majors graduated with a Bachelor's Degree in Business Management from Simpson College. He has been with our team since 2007 and is currently the site general manager.


Shelby Simpson BS, CCP
Clinical Trials Manager

Shelby Simpson graduated with a Bachelor’s Degree in Health Sciences with an emphasis in research methods from Kaplan University.  Shelby is a critical care paramedic registered through the National Registry of Emergency Medical Technicians (NREMT) and the state of Iowa.  She has experience as a paramedic with emergency transports and interfacility pediatric/neonatal transports.  In 2017, she joined Integrated Clinical Trial Services, Inc. as a study research coordinator. As of January, 2021, Shelby serves as the Clinical Trials Manager and oversees all aspects of clinical trials within the clinic.


Rachel Thomas BS, RN, CCP
Senior Clinical Research Nurse
Rachel is a critical care paramedic registered through the National Registry of Emergency Medical Technicians (NREMT) and the state of Iowa. She has experience as a paramedic with emergency transports and interfacility pediatric/neonatal transports. In 2017, she joined Integrated Clinical Trial Services, Inc. as a study research coordinator. Rachel now functions as the Senior Clinical Research Nurse.

Janet Ewing - Study Research Coordinator

Janet Ewing RN
Research Nurse

Janet (Jae) is a graduate of NIACC in Mason City, Iowa with her Associates Degree in Nursing. Jae comes with several years of experience in obstetrics, gynecology, and infertility. She has worked at Mercy One Des Moines, The Iowa Clinic Ankeny, and Mercy One North Iowa in Mason City. She, along with a team of physicians, have been active in implementing new and innovative procedures in women’s health. Jae has a passion for being on the cusp of research and is very excited about clinical trial research. Jae joined Integrated Clinical Trial Services in 2020, as a study research nurse.