Ark Clinical Research

Center Information

Jennifer Yo
Ark Clinical Research
2600 Redondo Ave. Suite 400
Long Beach, CA 90806

Currently Enrolling Trials

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Therapeutic Areas

Family Medicine
Healthy Volunteers
Internal Medicine
Obstetrics/Gynecology (Women’s Health)

Performance Metrics

Number of Studies Conducted: 5+
Number of Active Patients in the Database: 5+


Ark Clinical Research is a multi-therapeutic clinical research site located in Long Beach, CA, specializing in late phase outpatient clinical trials in Asthma, Allergy, Respiratory, Immunology, Internal Medicine, and Dermatology, in service to the pharmaceutical, biotechnology, and medical device industries. Our mission is to translate medical research into therapies that benefit patients. By navigating integrated research solutions through people, systems, and providers, we are able to innovative therapies, treatments, devices, and delivery methods to market, with the well-being of patients as our top priority.

As a clinical research site and medical research organization, our core values are what drive our business and the goals we work towards. Ark Clinical Research’s core values are:

Vision Statement

Ark strives to empower patients to achieve optimal and holistic health goals for higher quality of life.

Mission Statement

Ark’s mission is to be a center of excellence for bridging innovative research to current medical therapies utilizing our expertise, teamwork, and compassion for our patients.

We at ARK believe in…

Highest Quality of Patient Care- Patient safety first, we at ARK combine standard modes of care with new research therapies that will benefit their overall health outcome.

Excellence in Data Integrity- Exercising both good clinical and documentation practices, ARK believes in doing it right the first time, to ensure high quality data for the advancement of research and reliability as an organization.

Client Partnership/Trust- We believe that excellence in research is the result of promoting a cooperative, transparent, communicative environment that builds trust and confidence to not only our clients but to the patients through the example of collaboration.

Teamwork- A team excels through building and refining one another, bringing out the best that we can in each other, while understanding the visions of the individual and organization. The compilation of expertise, compassion, and willingness to learn builds a strong foundation that is worthwhile.

Balance- We believe in promoting a balanced lifestyle between work and family for our team here at ARK to create an atmosphere that is always refreshed and ready to deliver excellence in patient care research.

With these core values at the forefront of everything we do, Ark Clinical Research promises to be your go-to development partner for late phase outpatient clinical trials.


Ark Clinical Research has over 50 years of cumulative experience in conducting clinical trials over an array of therapeutic areas. We specialize in late phase outpatient research for the following indications:
  • Allergy/Asthma in Adults/Pediatrics
  • Vaccine/Challenge Studies
  • Dermatology
  • Women's Health
  • Gastrointestinal Disorders


    Our site is centrally located in the heart of Long Beach, CA, less than 2 miles access to major medical centers and the airport. Ark Clinical Research is an extension of a private allergy and asthma practice. We specialize in those therapeutic areas for both adults and children. The site has all the equipment needed for skin tests, immunotherapy, pulmonary function assessments, breathing treatments, etc. We offer free transportation for special circumstances.


    Kenneth Kim, MD (PI): Dr. Kenneth Kim, a summa cum laude graduate of Harvard College, received his MD from Harvard Medical School. Following a fellowship at the MIT Sloan School of Management, he completed his internal medicine and allergy/immunology training at UCLA. Dr. Kim has served as a medical monitor, consultant, and investigator on over 500 clinical trials, having published over 30 research articles and 50 abstracts in peer reviewed journals. He has presented to the FDA on challenges and strategies of dose selection and study design for pediatric trials and met key decision makers at the PMDA, SFDA, and KFDA. He has spoken at multiple national and international meetings and is a well recognized expert in the areas of clinical pharmacology, ethnobridging, and respiratory and allergic diseases.

    Betty Liu, MD (Sub-I): Dr. Betty Liu is a Southern California native and attended the University of California, Berkeley for her undergraduate work. She graduated with Honors in Molecular and Cell Biology and Public Policy. She attended the University of California, San Diego for Medical School with her clinical training focused in Pediatrics. She completed her pediatric training at Harbor-UCLA Medical Center and her Allergy/Immunology training at the University of Iowa Hospital and Clinics. Dr. Liu has is both a Board-Certified Pediatrician and Allergist/Immunologist.

    Though she cares for patients of all ages, Dr. Liu has a special interest in Asthma and Food Allergies in children. She takes pride in working closely together with her patients to develop a treatment plan that is best for them. Dr. Liu also acts as a supporting investigator in clinical trials for Asthma and Allergic Rhinitis.

    Carlos Arguedas, MD (PI): Dr. Carlos Arguedas is an internist treating patients in Long Beach, California, and the surrounding communities. He holds certification from the American Board of Internal Medicine and is affiliated with the Long Beach Memorial Medical Center. Dr. Arguedas is also a member of the American College of Physicians.

    In order to pursue his medical degree, Dr. Arguedas attended the St. George’s University School of Medicine. He continued his medical education at Mt. Sinai Hospital, where he received his residency training. Dr. Arguedas now has more than 23 years of experience in internal medicine.

    Patients visiting Dr. Arguedas can receive a full range of medical services. He provides annual physical examinations, prescriptions and refills, flu shots, general consultations, and checkups prior to surgery. For his excellence in practice, Dr. Arguedas was recognized as a Top Ten Doctor in 2012.

    Arguedas has over 7 years of clinical research experience in both early and late phase trials.


    Jennifer Yo (Site Director)

    Jennifer Marks (Director, Business Development)

    Nikki Pitts (Study Coordinator)

    Jose Arraiga (Assistant Study Coordinator)


    Ark Clinical Research has the capabilities to utilize both central or local IRBs.

    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.