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About Us

At InSite Clinical Research, we have an extensive history of successful participation in double-blind, placebo-controlled clinical research trials.

We offer a comprehensive range of professional services focused on the primary goal of safety and well-being as well as an uncompromising commitment to our patients, our community and our sponsors.

Our ever-expanding network of facilities includes two outpatient offices. Our inpatient unit, called Serenity, houses 12 beds along with two Clinilab™-certified sleep labs, all of which feature state-of-the-art amenities and personalized attentive care.


InSite Clinical Research conducts Phase I through Phase IV studies, including outpatient and inpatient, as well as adult and adolescent.


Our outpatient offices are located south of Dallas in a medical plaza close to emergency facilities and an acute care psychiatric hospital. We participate in clinical trials in the following indications:


(Children & Adult)

Alzheimer’s Disease

(Early MCI, Moderate, & Severe)


Bipolar Mood Disorder I & II

Chemical Dependency

(including Opiate, Nicotine, & Alcohol)

Chronic Pain

(including Fibromyalgia, Migraine, and Arthritis)


Generalized Anxiety Disorder




Major Depressive Disorder




Smoking Cessation

(Adolescents & Adults)

Tardive Dyskinesia

Drug Development

Dr. Shiwach and his staff have helped participate in trials involved in the development of several medications for multiple CNS/Psychiatric disorders including:


    • Zyprexa™
    • Seroquel™
    • Abilify™
    • Geodon™
    • Risperdal™ Consta™
    • Invega Sustenna™.
    • Ingrezza™
    • Sublocade
    • Zubsolv
    • Doria (Risperidone ISM) – pending approval in EU and US
    • Viibryd®


Dr. Shiwach also co-authored a paper on the Phase I study for Invega Sustena.


Good Clinical Practice

InSite Clinical Research is committed to the ethical performance of clinical research trials in accordance with the FDA’s Good Clinical Practice or guidelines. Upholding the greatest respect for each and every patient who walks through our doors, we strive to contribute to furthering more effective drug therapies. Our goal is to provide excellent patient care and the utmost safety.

Our Team

Our staff includes four experienced P.I.’s and two Sub-I’s

Dr. Shiwach

Principal Investigator

Dr. Sureddi

Principal Investigator

Dr. Lamarre

Principal Investigator

Anita Shiwach, PA-C

Sub-Investigator | Clinical Rater

Dr. Badi

Principal Investigator

Research and Administrative Staff

In addition to those pictured below, our core staff consists of 9 Clinical Research Coordinators, 4 Psychometric Raters, 2 Subject Recruiters, 4 Lab Technicians, and 1 Research Assistant.

Susan Shiwach

Vice President

Cyndi Michaels, CCRC

Quality Assurance

Dawn Alverson


Overnight Facility Staff

Our overnight facility, Serenity, consists of 1 Full-Time Supervisor, 1 Full-Time LVN, 8 Mental Health Technicians, and 1 Nutrition Tech.

Access to local Mental Health Hospitals including Hickory Trail Hospital and Dallas Behavioral Health
Access to local outside vendors, e.g. MRI, PET and CAT scans, lumbar puncture, etc.
Access to Internal Medicine and other Specialty doctors for consults as needed