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Richard M. Chasen, M.D., F.A.C.G.
  Education
  Medical Training
  Specialty Certification
  Medical Societies
  Experiences
  Research Experiences
  Hospital Affiliations
  Other Affiliations
Education:

University of Rochester NY; B.A. 1971

Howard University College of Medicine
Washington, D.C.: 1973-1977: M.D. 1977
Post-Graduate Training:
Gastroenterology Fellowship; Johns Hopkins University School of Medicine: Baltimore, Maryland 1980-1982
Proficiency in Endoscopic procedures, polypectomy, liver biopsy, laser endoscopy
Residency, Greater Baltimore Medical Center 1977-1980
Chief Resident, Internal Medicine; Greater Baltimore Medical Center, Baltimore, Maryland 1979-1980
Hospital Privileges:
Washington Adventist Hospital
Laurel Regional Hospital
Howard County General Hospital
Hospital Positions:
Chief-Subdivision of Gastroenterology; Laurel Regional Hospital, Laurel, Maryland 1985-1990
Chairman Department of Internal Medicine, Laurel Regional Hospital, 1993- 1995
Chairman-Medical Review Committee of Department of internal Medicine at Washington Adventist Hospital 1992-1995
Vice-Chairman Department of internal Medicine at Washington Adventist Hospital 1998- 2000
Maryland Digestive Disease Center
7350 Van Dusen Rd. Suite 210
Laurel, MD 20707
Ambulatory Endoscopy Center of Maryland
7350 Van Dusen Road Suite 230
Laurel, MD 20707
July. 1993-present
Maryland Digestive Disease Research LLC
7350 Van Dusen Road Suite 360
Laurel, MD 20707
Principal Investigator, Co-owner 1997-present
Board Certification
Internal Medicine: Gastroenterology

Private Practice of Gastroenterology since
Former Medical Director, Laurel Regional Hospital,
Renaissance Program (Alcohol and Drug Rehabilitation Program)

Medical Society Membership:
American Gastroenterological Association
Fellow- American College of Gastroenterology
American Cancer Society
Medical Chirurgical Faculty of Maryland
William Clark Society
Maryland Society of Gastrointestinal Endoscopy
Montgomery County Medical Society
American College of Gastrointestinal Endoscopy
Crohn’s and Colitis Foundation
Research Trials:
A phase III, International, Multicenter, Double-Blind, Placebo Controlled Study of the Safety, Efficacy, and Tolerability of Intravenous XXX in Subjects with Moderately to Severely Active Crohn’s Disease
A single-Center, Randomized, Single-Blind, Parallel Group Evaluation to the effectiveness, and safety following Administration of a suspensions Made from XXX coated Powder for Bowel Preparation Prior to Elective Colonoscopy.
A Comparative Efficacy and Safety Study of XXX Delayed-Release Capsules (40 mg qd) Versus Placebo for the Prevention of Gastric Ulcers Association with Daily NSAID Use in Patients at Risk
A Randomized, Placebo-controlled, Double-blind Trial to Evaluate the Safety and Efficacy of XXX in Patients with Active Ulcerative Colitis
A Randomized, Placebo-Controlled Trail of XXX for Treatment of Ulcerative Colitis
A Multicenter Comparison of the XXX Panel with XXX for the Detection of Colorectal Neoplasia in Average-Risk Patients (The Colorectal Cancer Screening Study)
A Double-Bind, Randomized, 6 week, Parallel-Group Design Clinical Trial in Patients with Madly to Moderately Active Ulcerative Colitis to Assess the Safety and Efficacy of XXX 4.8 g/day (800 mg tablet) Versus XXX 2.4 g/day (400 mg tablet)
Dose Comparison Study of XXX + XXX for patients with Chronic Hepatitis C Who Have Not Responded to Standard XXX + XXX
A Double- Blind, Placebo-Controlled, Randomized Multicenter Study to Investigate the Safety and Efficacy of 2 mg XXX of XXX over 12 Weeks Followed by a 4-week Rerandomized Treatment Period in Diarrhea-Predominant Irritable Bowel Syndrome Subjects
A Prospective, Randomized, Multi-Center, Open- Label, Comparative Safety Study of XXX plus XXX Treatment vs. a Twelve-Week Treatment Delay in Patients with Chronic Hepatitis C
A randomized Double Blind Trial Comparing the Early Profile of Heartburn Relief Associated with XXX, 20 mg once daily Vs. XXX, 20 mg once daily in Gastroesophagael Reflux Disease Patients with an Acute or Documented History of Erosive Esophagitis
A Multicenter, Double-Blind, Placebo Controlled Crossover Study to Assess the Acute Prokinetic Efficacy and Safety of XXX Controlled Release (CR), 150 mg and XXX CR, 300 mg in Subjects with Gastroesophagael Reflux Disease
A study of the Efficacy and Safety of XXX-XXX Tabs compared with NuLYTELY as a Purgative Agent for patients Undergoing Colonoscopic Evaluation
A Multicenter, Randomized, Double- Blind, Safety and Efficacy Study of XXX 40 mg qd with Clarithromycin 500 mg bid Compared to XXX 40 mg qd with Amoxicillin 1 gm bid plus Clarithromycin 500 mg bid for the Eradication of Helicobacter Pulora in Subjects with Active Duodenal Ulcer or History of Duodenal Ulcer Disease
A 26- week, International, Multicenter, Randomized, Double- Blind, Double-Dummy Parallel Group Active Controlled Endoscopic Study of Gastro duodenal Effects of XXX (400 mg and 800 mg) in patients with rheumatoid arthritis using XXX (800 mg tid) and XXX (200 mg bid) as comparators
Publications:
“Lack of Difference in Response to Rebetron by Race in prior Interferon Nonresponders with Chronic Hepatitis C.” Abstract. American College of Gastroenterology. October 2000.
“Efficacy and Safety of Sodium Phosphate Tablets Compared with PEG solution in Colon Cleansing: Two Identically Designed, Randomized, Controlled, Parallel Group, Multicenter Phase III Trials.”
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