For more information about Advanced
Magnetics, please visit the company's website at
http://www. Cytogen's marketed products include QUADRAMET(R)(samarium Sm-153
lexidronam injection) and PROSTASCINT(R)(capromab pendetide ) kit for the
preparation of Indium In-111 capromab pendetide in the United States.

For Advanced Magnetics
This document contains forward-looking statements within the meaning of
the Private Securities Litigation Reform Act of 1995 and federal securities
laws. For more
information on BigBand Networks, please visit http://www.

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Oncologic Drugs Advisory Committee Recommends Against Approval of a Broad Indication For Combidex(R)

In making its recommendation, the committee cited insufficient clinical
data to support a broad indication for use of Combidex to differentiate
metastatic from non-metastatic lymph nodes across all cancer types.
(Logo: http://www.com/cgi-bin/prnh/20050330 /NYW056LOGO )
"The BigBand BMR has been designed for the highest service reliability,
and leading operators have responded by using the platform to provide services
to tens of millions of subscribers ," said Ran Oz, BigBand Networks CTO.bigbandnet.

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Advanced Magnetics disclaims any obligation to publicly update or revise any
such statements to reflect any change in expectations or in events, conditions
or circumstances on which any such statements may be based, or that may affect
the likelihood that actual results will differ from those set forth in the
forward-looking statements.

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COMBIDEX , an investigational functional molecular imaging
agent consisting of iron oxide nanoparticles, is currently being developed for
use in conjunction with magnetic resonance imaging to aid in the
differentiation of cancerous and non-cancerous lymph nodes, and is under
review by the U. Full prescribing information for the
Company's products is available at http://www. Any product seeking NEBS
certification is thoroughly evaluated in a broad range of tests based under
conditions such as shock, vibration , fire, temperature variance and humidity.

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, a
leading provider of network platforms for video, voice and data services,
today announced that the BigBand BMR(R) (Broadband Multimedia-Service Router)
had achieved NEBS (Network Equipment Building Standards) Level 3
certification. Additionally,
enhanced reliability improves economic efficiency due to greater control over
maintenance and customer support activities, with reduced spikes of associated
activities. Cable operators
also increasingly emphasize service reliability with an expanding range of
offerings in an increasingly competitive marketplace.

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S. Food and Drug Administration's (FDA) Oncologic
Drugs Advisory Committee (ODAC) voted 15 to 4 to not recommend approval of the
proposed indication for Combidex(R), Advanced Magnetics' investigational
functional molecular imaging agent.com or by calling
1-800-833-3533 . The company's platforms are utilized by leading global service providers
to deliver content to more than 20 million digital television and broadband
Internet subscribers.

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and PRINCETON, N.
"We understand the advisory committee's position relative to a broad label
for Combidex and look forward to meeting with the FDA to determine appropriate
next steps. Food and Drug Administration.
NEBS criteria are considered an industry standard for demonstration of
network product reliability in various environments.

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This confirms the platform's reliable operation under varying
conditions based on a range of tests on certain equipment attributes.

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For more information, please visit the Company 's website at
http://www. Leading
network operators across North America, Europe and Asia rely on the BigBand
BMR. Services supported by BigBand Networks'
platforms include high-speed data , voice over IP, digital broadcast
television, HDTV, transport of high quality video, local advertising , VOD and
iTV.

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advancedmagnetics.cytogen. There are a number
of important factors that could cause Cytogen's results to differ materially
from those indicated by such forward-looking statements. The forward-looking statements contained herein are
made only as of the date of this press release , and Cytogen undertakes no
obligation to publicly update such forward-looking statements to reflect
subsequent events or circumstances."
The BigBand BMR is a versatile platform for multiple digital television
services, built on powerful media processing and routing engines.

About BigBand Networks
BigBand Networks, Inc.

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Such risks and uncertainties
include Advanced Magnetics ' inability to obtain regulatory approval for
Combidex in general and, in particular, the following risks: (1) the
possibility that even though Advanced Magnetics' response regarding Combidex
was deemed complete by the FDA, the FDA could respond to this submission by
issuing an additional approvable letter with additional conditions for
approval or the FDA could issue a not approvable letter; (2 ) the ability to
resolve final labeling for Combidex with the FDA; (3) the possibility that
even though the FDA has assigned a user fee goal date of March 30, 2005, the
FDA may not act by such date; (4) uncertainties regarding market acceptance of
Combidex; (5) uncertainties relating to third-party reimbursements to Advanced
Magnetics or its partners for Combidex when patients are prescribed Combidex;
(6) uncertainties relating to Advanced Magnetics' ability to continue to
operate at commercial scale in compliance with FDA regulations and other
applicable manufacturing requirements when producing Combidex; (7)
uncertainties relating to patents and proprietary rights and (8) other risks
identified in Advanced Magnetics' Securities and Exchange Commission filings. All other marks are the property of their respective owners.

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CAMBRIDGE, Mass. As a leader in its field,
Advanced Magnetics is dedicated to the development and commercialization of
its proprietary nanoparticle technology for use in therapeutic iron compounds
to treat anemia, as well as novel imaging agents to aid in the diagnosis of
cardiovascular disease and cancer.com.

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Underscores Reliability of Platform Used By Broadband Network Operators to
Deliver Multimedia Services

CHICAGO , SuperComm -- BigBand Networks, Inc.

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,
Advanced Magnetics, Inc.

About Advanced Magnetics
Advanced Magnetics, Inc. is a developer of superparamagnetic iron oxide
nanoparticles used in pharmaceutical products.com, the content of which is not part of this
press release.

BigBand BMR Earns NEBS Certification

NEBS certification is required for vendors selling to several types of
telecommunications operators such as local exchange carriers.

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We remain committed to the ongoing development of Combidex," said
Jerome Goldstein, Chairman, President and Chief Executive Officer of Advanced
Magnetics.
Advanced Magnetics cautions readers not to place undue reliance on any
forward-looking statements which speak only as of the date they are made. All
statements, other than statements of historical facts, included in this press
release regarding Cytogen's strategy , future operations, financial position,
future revenues, projected costs, prospects, plans and objectives of
management are forward-looking statements.newscom.

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About the ODAC
The ODAC is a committee formed by the FDA of external experts to provide
the FDA with independent opinions and recommendations in the evaluation of
marketed and investigational drugs for use in the treatment of cancer.com, which is not part of this press release. Such forward-looking statements
involve a number of risks and uncertainties and investors are cautioned not to
put any undue reliance on any forward-looking statement. BigBand Networks is based in Redwood City, CA.

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"BigBand Networks has delivered substantial innovations, such as program-level
automated redundancy switching, to assure availability, and meeting the
stringent NEBS Level 3 requirements confirms the reliability we provide for
our customers.
As video services increasingly provide vital content such as emergency
alerts, and the market becomes more competitive among various types of
carriers, reliability is an increasing priority for all.

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S.cytogen.

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These platforms are built on open
technologies uniquely capable of communicating and processing video, voice and
data for best delivery throughout networks.
BigBand Networks brand and product names are service marks, trademarks or
registered trademarks of BigBand Networks, Inc.

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(Amex: AVMCYTO)
announced today that the U. Any statements contained in this press release that do not describe
historical facts are forward-looking statements that involve risks and
uncertainties that could cause actual results to differ materially from those
discussed in such forward-looking statements.

publicizing itac

Cytogen
also has exclusive United States marketing rights to COMBIDEX(R)
(ferumoxtran-10) for all applications, and the exclusive right to market and
sell ferumoxytol (previously Code 7228) for oncology applications in the
United States.

For Cytogen
This press release contains certain "forward-looking" statements within
the meaning of the Private Securities Litigation Reform Act of 1995 and
Section 21E of the Securities Exchange Act of 1934, as amended. The BMR
enables multimedia services from various sources to achieve higher utilization
of network capacity and resources, with enhanced service reliability through
such features as redundant and hot-swappable components, and leveraging media
and network intelligence to detect failure conditions at any granularity level
and automatically switch to local or networked alternative sources. designs, manufactures, sells and supports platforms
for broadband multimedia services.

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The
ODAC is comprised of a core of voting members from the fields of general
oncology , pediatric oncology, hematologic oncology, immunologic oncology,
biostatistics and other related professions, as well as a consumer and patient
representatives. As a result,
this press release should be read in conjunction with Cytogen's periodic
filings with the SEC.

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J.
A decision by the FDA on Combidex is expected by the FDA-designated user
fee goal date of March 30, 2005. In particular ,
Cytogen's business is subject to a number of significant risks, which include,
but are not limited to: the risk of obtaining the necessary regulatory
approvals; the risk of whether products result from development activities;
the risk of shifts in the regulatory environment affecting sales of Cytogen's
products such as third-party payor reimbursement issues; the risk associated
with Cytogen 's dependence on its partners for development of certain projects,
as well as other factors expressed from time to time in Cytogen's periodic
filings with the Securities and Exchange Commission (the "SEC"). in the United States and other
countries.

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Cytogen's development
pipeline consists of therapeutics targeting prostate-specific membrane antigen
(PSMA), a protein highly expressed on the surface of prostate cancer cells and
the neovasculature of solid tumors. As a result, network operators can
cost-effectively expand revenue-generating offerings of rich content and
advanced, interactive services.

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About Cytogen Corporation
Founded in 1980, Cytogen Corporation of Princeton , NJ is a product-driven
biopharmaceutical company that develops and commercializes innovative
molecules that can be used to build leading franchises across multiple
markets.