Advanced Center for Clinical Research, LLC

Center Information

Isa V. Chua
Office Administrator/Regulatory Coordinator
Advanced Center for Clinical Research, LLC
13330 Bloomfield Avenue, Suite 212
Norwalk, CA 90650

Currently Enrolling Trials

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Therapeutic Areas

Cardiology/Vascular Diseases
Obstetrics/Gynecology (Women’s Health)
Otolaryngology (Ear, Nose, Throat)
Pulmonary/Respiratory Diseases


Welcome to Advanced Center for Clinical Research with offices at Norwalk Community Hospital complex in Norwalk, California, and Center for Clinical Research, a satellite office, in Las Vegas, Nevada. This center for clinical trials is the result of over 20 years of collective experience in the fields of medicine and clinical trials. This unique combination gives Advanced Center for Clinical Research the ability to effectively meet the needs of the sponsoring companies. Our site is a center dedicated to clinical research full-time.


ACCR & CCR staff have worked with the following pharmaceutical companies:

ABBOTT Laboratories, Allergan, Astra-Zeneca, Bayer, Biocryst, Bio-technology, Bristol Myers Squibb, Glaxo-Smithkline, Merck, Proctor Gamble, Roche, RWJohnson, Sankyo Pharmaceuticals, Schering Plough, Tap Holdings, Hoechst Marion Roussel, Viropharma...and various CROs' such as Covance, CTMS, MTRA, Paragon, Parexel, Phoenix, PPD, Pharmaco, PRA, Quintiles, RSI to name a few.

Our center does study phases II, III, and IV.


Advanced Center for Clinical Research or ACCR in Norwalk, California, boasts of a research facility within the hospital community, with a total footage of about 1500 square feet solely dedicated to clinical research. The center has the full backing of the hospital and medical-office administrators, and has signed an agreement with all the medical professionals in the medical community to refer qualified subjects to the research center. At present, ACCR alone has 2,000 patient database. The hospital and the medical offices have more than 100,000 patients of all ages in their database.

Its satellite office in Las Vegas has about 750 square feet of research space. It is near the medical center with a 17,000 patient database, where potential subjects are drawn.

Our sites are accessible from major thoroughfares. ACCR in California is approximately 20 miles east of LAX airport and 30 miles north of John Wayne Airport. The Nevada site is 15 miles north of Las Vegas International Airport and 5 miles north from the world famous Las Vegas strip.


The center prides itself with board-certified specialists dedicated and experienced in medical research. There are 5 full-time clinical research coodinators in Norwalk, California, and 3 full-time coordinators in Las Vegas, Nevada, who are all ECFMG certified, highly devoted and qualified with good background in medicine and clinical trials. Investigators and coordinators alike have very focused approach in conducting clinical trials, with adherence to Good Clinical Practice principles cognizant of the Food and Drug Administration guidelines. The personnel have published papers in popular scientific journals.

Eleuterio P. Delfin, Jr., M.D.
General Family Practice/Emergency Medicine

Raj P. Rajani, M.D.

Victoria Sanchez-Bal, M.D., F.A.A.P.

Jesse M. de Leon, M.D.

Liberation B. de Leon, M.D., F.A.A.P.

Angeline Y. Ituriaga, M.D., F.A.A.P.


ACCR & CCR personnels have experience in studies related to pediatric and adult asthma, allergic rhinitis, urticaria, otitis media, COPD studies, acute & chronic bronchitis studies, sinusitis, urinary tract infection, pneumonia, influenza, hypertension, rheumatoid arthritis and metabolism studies.

Catalina Villanueva, M.D., CRC
Subinvestigator/Clinical Research Coordinator

Rey S. Chua, B.S.,CRC
Clinical Research Coordinator

Isa V. Chua, B.S.
Office Administrator/Regulatory Coordinator

Bernadette A. Barrameda, MD, CRC
Clinical Research Coordinator

Jan B. Cruz, MD,CRC
Clinical Research Coordinator

Jonnel Constantino, MD, CRC
Clinical Research Coordinator

Joanna Villanueva

Jose Vasco
Advertising Director


Advanced Center for Clinical Research is an independent research facility. It utilizes central IRB and central laboratory with access to reputable local laboratory and diagnostic centers. It has an access to a large computerized database of patients with varied ages, ethnicity, socioeconomic strata and medical conditions that ensure a stable source of patient population and guarantees to meet the minimum numbers of subjects as was proven in the past.

50% - Caucasians
25% - Hispanics
15% - Asians
10% - Others


Top enroller for majority of the clinical trials we participated in; we use the central IRB; staff is experienced in Remote Data Entry; majority of the staff are ECFMG certified medical doctors with a lot of years experience in clinical research.

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.