Founded in 1991, ImaRx Pharmaceutical Corp. designs, develops and markets pharmaceuticals for medical imaging (MRI, ultrasound and computed tomography) for the radiological imaging industry.
ImaRx Pharmaceutical Corp., announced 1999 that it has been acquired by E.I DuPont de Nemours and Co., Inc.. The terms of the acquisition provide a royalty-free licensing arrangement with a newly-formed company, ImaRx LLC ("LLC"), to pursue and develop new products and technologies for drug and gene delivery independent from DuPont. Yamanouchi Pharmaceutical Co. Ltd., ImaRx' licensee for Asian territories for this product, will continue to develop the product in Asia as DuPont's licensee. ImaRx LLC will have ownership of all other targeted and therapeutic products previously owned by ImaRx, including imaging products outside of diagnostic ultrasound imaging and two other imaging products, SonoRx® and LumenHance®, which are both FDA approved and licensed to BRACCO Diagnostics.

MRI Contrast Agents:

Lantheus Medical Imaging is a worldwide leader in medical imaging, with headquarters in North Billerica, Massachusetts, and nearly 700 employees worldwide with offices in Puerto Rico, Canada, and Australia.
The product portfolio includes ABLAVAR™ (gadofosveset trisodium) a blood pool contrast agent for magnetic resonance angiography MRA, Cardiolite® (Kit for the preparation of Technetium Tc99m Sestamibi), a cardiac perfusion imaging agent and DEFINITY® Vial for (Perflutren Lipid Microsphere) injectable suspension, the leading cardiac ultrasound contrast agent in the US.

MRI Contrast Agents:

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Nihon Schering KK, was a subsidiary of Schering in Japan.
In June 2006 Bayer AG has bought the majority of shares of Schering AG. As a result of this take-over Schering AG has been renamed in December 2006 in Bayer Schering Pharma AG.

Otsuka Maryland Research Institute, Inc. (OMRI), a new affiliated company, was established to further Otsuka Pharmaceutical Co., Ltd.'s goal of globalizing core clinical R&D activities, while Otsuka America Pharmaceutical, Inc. (OAPI) focuses on product commercialization.

MRI Contrast Agents:

Pharmacyclics is a pharmaceutical company developing novel agents to improve current therapeutic approaches to cancer, cardiovascular diseases, and inflammation. The company's proprietary products are derived from its core technology in biometallic chemistry. These products under development are based upon small molecules, which bind metals in a unique way and are capable of capturing and focusing forms of energy used in a variety of medical applications. The company has one product in registration with the FDA, Gadolite® Oral Suspension, a contrast agent for imaging the gastrointestinal tract; two products in clinical development, Gd-Tex (Motexafin gadolinium), a radiation sensitizer, Lu-Tex, a photosensitizer; and several compounds in preclinical development.

MRI Contrast Agents: