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Clifford Raabe Weiss, M.D.

Medical Director, Johns Hopkins Center for Bioengineering, Innovation and Design (CBID)
Associate Professor of Radiology and Radiological Science

Male

Appointment Phone

410-614-2227

Main Location

The Johns Hopkins Hospital

Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-7683 (7a.m. to 6p.m., EST, Mon-Fri)

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Titles

  • Medical Director, Johns Hopkins Center for Bioengineering, Innovation and Design (CBID)
  • Associate Professor of Radiology and Radiological Science
  • Associate Professor of Biomedical Engineering

Centers & Institutes

Departments

Locations

The Johns Hopkins Hospital

Appointment Phone: 410-614-2227

600 N. Wolfe Street
Sheikh Zayed Tower Suite 7203
Baltimore, MD 21287 map
Phone: 410-614-1046
Fax: 410-614-1043

The Johns Hopkins Hospital

600 N. Wolfe Street
Carnegie 446D1
Baltimore, MD 21287 map

Johns Hopkins Outpatient Center

Appointment Phone: 410-614-2227

601 N. Caroline Street
Baltimore, MD 21287 map

Expertise

Angioplasty, Arterial Occlusive Disease, Arteriovenous Fistulas, Chronic Total Occlusions, Claudication, Deep Venous Thrombosis, Diabetic Foot Ulcers, Diagnostic Radiology, Kidney Cancer, Liver Cancer, Lower Extremity Angioplasty, Lower Extremity Stenting, Peripheral Arterial Disease, Peripheral Vascular Disease, Radiofrequency Ablation for Lung, Liver, Kidney and Bone Lesions, Radiology, Renal Artery Disease, Renal Vascular Disease, Uterine Fibroids, Varicocele, Vascular and Interventional Radiology, Vascular Malformations, Venous Disease, Venous Occlusive Disease, Venous Thromboembolism, Visceral Angioplasty, Visceral Stenting

Research Interests

Device development; Development of interventional MRI techniques; Interventional treatment of obesity (bariatric embolization); The diagnosis and treatment of vascular malformations, including pulmonary AVM's and Hereditary Hemorrhagic Telangiectasia (HHT); Varicoceles, MRI guided interventions and procedures especially for the treatment of vascular malformations

Biography

Dr. Clifford Weiss is an assistant professor of radiology and radiological science. He also holds appointments in surgery and biomedical engineering. Additionally, he serves as medical director of the Johns Hopkins Center for Bioengineering Innovation and Design.

Dr. Weiss’ clinical focus lies in vascular and interventional radiology. He specializes in the diagnosis and treatment of vascular malformations, including pulmonary arteriovenous malformations and hereditary hemorrhagic telangiectasia; varicoceles; MRI-guided interventions, especially for the treatment of vascular malformations; advanced venous interventions; and advanced biliary interventions.

Dr. Weiss received his M.D. from the Johns Hopkins University School of Medicine in 2001. He completed an internship in internal medicine in 2002, his residency in radiology in 2007, and a fellowship in vascular and interventional radiology in 2008, all at The Johns Hopkins Hospital.

He is certified by the American Board of Radiology in diagnostic radiology and in vascular and interventional radiology, and he is a member of the Society of Interventional Radiology.

...read more

    Additional Information

  • Education +

    Degrees

    • Johns Hopkins University School of Medicine / MD (2001)

    Residencies

    • Johns Hopkins University School of Medicine / Radiology (2007)

    Fellowships

    • Johns Hopkins University School of Medicine / Vascular and Interventional Radiology (2008)

    Certifications

    • American Board of Radiology / Diagnostic Radiology (2007)
    • American Board of Radiology / Vascular & Interventional Radiology (2012)
  • Research & Publications +

    Clinical Trials:

    BEAT Obesity Trial

    The purpose of this study is evaluate the safety and effectiveness of bariatric embolization as a minimally-invasive image-guided procedure for morbid obesity. In this procedure, specific blood vessels to the stomach are blocked in order to suppress some of the body''s signals for feeling hungry, leading to weight loss.

    Morbid obesity is currently treated with diet and exercise, medications, and surgery. This study is designed to help treat obesity using a minimally invasive, non-surgical, angiographic (through the blood vessel) approach. This procedure is similar to a common procedure used to treat bleeding within the stomach. This version of the procedure has been named "bariatric embolization".

    Although there are over 40 hormones that limit food intake, there is only one hormone, ghrelin that has been shown to stimulate (prompt) food intake. In obese patients, eating fails to suppress ghrelin levels, which is believed to prevent feeling full after a meal and to lead to overeating. Due to the strong hunger craving effects of ghrelin, this hormone has been a target for the treatment of obesity and weight loss. More recently, ghrelin has been shown to have a significant role in the long-term effect of weight loss in bariatric (obesity) surgery where ghrelin levels are shown to be much lower when compared to untreated patients.

    Recent data collected in animals in has shown that blocking blood vessels to a particular portion of the stomach (bariatric embolization) can temporarily decrease levels of the appetite inducing hormone ghrelin, and decrease short-term weight gain. In a study of 5 people, there was a decrease in ghrelin levels and weight loss in the first 6 months after the procedure, but there is no information about the effects of the procedure over longer periods of time.

    We hope to learn if bariatric embolization results in safe and effective weight loss in people who are morbidly obese.

    https://clinicaltrials.gov/ct2/show/NCT02165124?term=BEAT+Obesity&rank=1

    Learn About Bariatric Embolization


  • Academic Affiliations & Courses +
  • Activities & Honors +

    Memberships

    • American College of Radiology (ACR)
    • American Roentgen Ray Society (ARRS)
    • Association of University Radiologists (AUR)
    • International Society for Magnetic Resonance in Medicine (ISMRM)
    • International Society for the Study of Vascular Anomalies (ISSVA)
    • Radiology Society of North America (RSNA)
    • Society of Interventional Radiology (SIR)
    • The Cardiovascular and Interventional Radiological Society of Europe (CIRSE)
  • Videos & Media +
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