ClinSearch, LLC

Center Information

Mark McKenzie, MD
Medical Director
ClinSearch, LLC
6035 Shallowford Rd., Suite 109
Chattanooga, TN 37421
Main: (423) 698-4584
Fax: 423-698-4577


Currently Enrolling Trials

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Therapeutic Areas

Cardiology/Vascular Diseases
Family Medicine
Healthy Volunteers
Hepatology (Liver, Pancreatic, Gall Bladder)
Internal Medicine
Nutrition and Weight Loss
Obstetrics/Gynecology (Women’s Health)
Pulmonary/Respiratory Diseases


ClinSearch, LLC is a privately owned dedicated multi-specialty research facility conveniently located in Chattanooga, Tennessee. Established in 1992, ClinSearch has conducted over 480 Phase II, III, and IV trials providing quality data in a wide variety of therapeutic areas, in addition to limited Phase I out-patient trials. Dr. Mark McKenzie is a full time, on-site physician investigator. Our experienced staff consistently recruits and enrolls evaluable subjects through effective advertisement, database notification, physician referrals, and community awareness events. We develop relationships that foster retention and are committed to providing our sponsors and clients with accurate data in a timely fashion while providing quality care with patient safety at the forefront of our care.


Our research company has extensive clinical research experience in Phase II-IV Trials in the following areas:

  • Irritable Bowel Syndrome – C/D
  • GERD
  • Crohn’s Disease
  • Diabetes
  • Hypertension
  • Hyperlipidemia
  • Weight Reduction
  • Sleep Studies
  • Acne
  • Migraine Headaches
  • Gastroparesis
  • Chronic Diarrhea
  • Ulcerative Colitis
  • Dyspepsia
  • Erosive Esophagitis
  • Celiac Disease
  • Opioid Induced Constipation
  • Bloating
  • Fibromyalgia
  • Osteoarthritis
  • Rheumatoid Arthritis
  • Gout
  • Vaccine
  • Gastric Ulcers
  • Bowel Prep
  • Chronic Idiopathic Constipation
  • Diverticulitis Prevention
  • Endometriosis
  • Menopausal Issues
  • Contraception
  • Pulmonology
  • Erectile Dysfunction
  • Overactive Bladder

Sponsors / CROs in which we have conducted clinical trials include:


  • Abbott Laboratories
  • AGI Therapeutics
  • Alba Therapeutics
  • Alberio
  • Alder BioPharmaceuticals
  • Alizyme Therapeutics Limited
  • Altana Pharma
  • Alvine Pharmaceuticals
  • Amway Corporation
  • Amylin Pharmaceuticals
  • Anchen Pharmaceuticals
  • Ardelyx
  • Arena Pharmaceuticals, Inc
  • ARYx Therapeutics, Inc
  • AstraZeneca
  • Aventis
  • Braintree Laboratories Inc.
  • Bristol-Myers Squibb
  • Covalent
  • Cubist Pharmaceuticals, Inc.
  • Cumberland Pharmaceuticals
  • DepoMed Inc.
  • Dr. Reddy’s Laboratories Ltd.
  • Duramed
  • Epigenomics Inc.
  • Eli Lily
  • Eisai
  • Falk
  • Ferring
  • Forrest Pharmaceuticals
  • Furiex Pharmaceuticals
  • G&W Laboratories
  • Given Imaging
  • Glaxo-Wellcome
  • GlaxoSmithKline
  • Hanmi Pharmaceutical Co., Ltd
  • IM HealthScience LLC
  • Immusan T, Inc.
  • Ironwood Pharmaceuticals
  • Janssen
  • Jazz Pharm
  • LaboPharm
  • Lexicon
  • Luitpold
  • Map Pharmaceuticals
  • Menarini
  • Merck & Co. Inc.
  • Microbia, Inc.
  • Nektar
  • Neurocrine Biosciences
  • Novum
  • Novartis
  • NPS
  • ONO Pharmaceuticals
  • Orexigen Therapeutics, Inc.
  • Pain Therapeutics, Inc.
  • Pfizer
  • Pharmacia
  • Pharmos Corporation
  • Pozen Inc.
  • Proctor and Gamble
  • Progenics
  • Prometheus
  • Reliant
  • RPS, Inc
  • Rhythm
  • Salix Pharmaceuticals, Inc
  • Sanofi-Aventis
  • Sanofi-Synthelabo Research
  • Santarus, Inc
  • Scirex
  • Shionogi, Inc
  • Solvay Pharmaceuticals, Inc.
  • Shire
  • Synergy
  • TAP
  • Takeda Pharmaceuticals
  • Taro Pharmaceuticals
  • Teval Pharmaceuticals
  • Theravance
  • Tioga
  • Tolmar, Inc.
  • Trine
  • United BioSource Corporation
  • Velva Pharmaceuticals
  • Ventrus Biosciences Inc.
  • Wyeth
  • XenoPort
  • Yamanouchi Pharma America
  • Xenoport
  • Zanodyne Pharmaceuticals


  • Beardsworth
  • Cetero Research
  • Chiltern
  • Clinical Research Management
  • Clinlogix
  • Clinsys
  • Covance
  • DSP
  • Essential
  • Global
  • I3 Research
  • ICON
  • Inventiv
  • Kendle
  • Novella
  • MDS
  • Medpace
  • Omnicare
  • Paragon
  • Parexel
  • Pharmanet
  • Phoenix
  • PRA International
  • PPD
  • Pharmalink
  • Premier
  • Quintiles
  • RPS, Inc.
  • RTI
  • Santarus
  • SGS Life Sciences
  • Stiris Research
  • Symbio
  • TKL
  • Trio Clinical Research
  • United Biosource Corporation


Our 5,000 sq/ft facility located in Chattanooga, Tennessee is stationed near three major medical centers, and is conveniently found only 2 miles from the Chattanooga Airport.

Our office contains:

  • Fully-alarmed, 24-hour monitored security system with selective pin access
  • Online Data Management System, Clinical Conductor, to track recruitment, trial progression and all study data
  • Two dedicated monitoring rooms with high speed internet, copier, phone and fax
  • 24 hour dedicated emergency contact phone
  • Conference room with access to internet
  • IV Infusion Room
  • 4 Fully equipped examination rooms
  • 6 Dedicated coordinator offices
  • Dedicated data room
  • Climate controlled and secured drug storage with limited key access
  • Climate controlled and secured records storage on site
  • On Site Emergency Equipment
    • AED
    • Oxygen
    • Crash Cart Medications
    • IV Fluids

Diagnostic Equipment:

  • Ultra So-Lo Freezer (-20° and -70°)
  • Dry Ice Storage Capabilities
  • Locked Refrigerator and Freezer
  • ECG –Mac 1200
  • Scales-Tanita
  • Welch Allyn Baumanameter Blood Pressure Units
  • Centrifuge & Refrigerated Centrifuge
  • Liquid Nitrogen Dewar

ClinSearch is affiliated with a local diagnostic center with capabilities that include:

  • DEXA Scanner
  • Ultrasound
  • Echocardiogram
  • Endoscopy
  • Ultrafast CT
  • MRI
  • Pulmonary Function Testing
  • PSG


Mark McKenzie, MD: Medical Director

Dr. McKenzie has been practicing Internal Medicine in Southeast Tennessee and the Chattanooga area since 2002. Dr. McKenzie received his Bachelor of Arts in Biology degree from Southern Adventist University in 1991. After spending 4 years working as a medical technologist, he decided to study medicine. He completed medical school and a residency at the Medical College of Ohio at the University of Toledo in 2002.

Contact us for a detailed Investigator / Sub Investigators


Rebekah S. Corey DNP, APN, FNP-BC
Nurse Practitioner/Sub-I
Clinical Research since 1999

Jaime Harris, FNP, CRC
Clinical Research since 2016

Christy Sweet, LPN, CCRP
Clinical Research Coordinator Manager/ Senior Coordinator
Clinical Research since 2007

Christy Schmeck, CMA, CCRC
Clinical Research Coordinator
Clinical Research since 2009

Vickie Leathers, CCRC
Clinical Research Coordinator
Clinical Research since 2009

Erica Osmundsen, BA, CCRC
Regulatory Specialist/ Clinical Research Coordinator
Clinical Research since 1996

Melissa Watson, CPT-I
Lab Technician
Clinical Research since 2012

Avery Rigsby
Office Administrator
Clinical Research since 2002

Katie Miller
Administrative Assistant/Recruiter
Clinical Research since 2014

LaShonda Knaff, RMA
Research Assistant
Clinical Research since 2006

John Bouchard
Research Assistant
Clinical Research since 2015

Our staff participates in the following training programs:

  • Annual GCP Training with CITI Training
  • IATA Certified staff
  • Annual Continuing Education
  • CPR Certified
  • OSHA Training
  • Comprehensive SOPs with Annual Updates
  • Experienced with EDC including: Phase Forward InForm, Oracle RDC, Medidata Rave, Datalabs


We conduct outpatient Clinical Research for Males and Females 18 and older. We service the Chattanooga and Tri-State areas (Tennessee, Alabama, Georgia) with a population base of 525,000. Our current facility database has a patient population of 10,000 and growing.


We are an independent research facility with the ability to use a Central IRB for the approval of our clinical research. We have a motivated, hard working staff with an excellent track record of producing quality data in a timely fashion. Contact Christy Sweet, CCRP at for more information..

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.