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Travenol Laboratories applied for a product licence for Antihaemophilic Factor (Human) Method Four-Heat Treated Hemofil-T.

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Peter Coombes wrote to David Watters enclosing a copy of a Kryobulin data sheet for non heat treated product.

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Ken Fitch wrote to Haemophilia Centre Directors stating that Armour had programmes in operation designed to help prevent the use of plasma obtained from high risk groups associated with AIDS in the production of clotting factor concentrates.

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A letter from Travenol Laboratories to the DHSS stated that "while the causative agent of [AIDS] remains to be identified, some evidence suggests it is caused by a virus that can be transmitted by blood and certain blood products."

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The Sub-Committee on Biological Products stated that on grounds of safety, quality and efficacy it was unable to recommend that the Product Licence be varied for Travenol Laboratories Ltd Hemofil product. It considered that justification should be provided for the inclusion and choice of the heat treatment step and that there was inadequate evidence as to the safety and efficacy of the product.

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CDC Epidemiological Notes and Reports Update on Kaposi's Sarcoma and Opportunistic Infections in Previously Health Persons documented that of the 355 cases reported then, 16% were heterosexual - and a quarter of these were women. Only about half were intravenous drug users.

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The FDA wrote to manufacturers of plasma products to tell them that "although the cause of this outbreak is unknown, the information suggests that a transmissible agent might be involved and concern about transmission through blood and blood products has been raised."

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The National Hemophilia Foundation broke the news to its members that the CDC believed that the immune deficiency might be caused by a virus transmitted through blood or blood products as was hepatitis, but advised that the risk of contracting this immunosuppressive agent was minimal.

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Dr Steven Ojala of Cutter wrote after one meeting in January 1983, quoting a colleague from Hyland, that 'it is unusual for us [the commercial companies] to come away wearing the white hats while the "volunteer" sector wears the black'

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Individual clinicians, gay rights groups, and the National Hemophilia Foundation all joined calls at various stages to obtain more information before taking steps or "stigmatising" donors or users of blood products.

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The California Morbidity and Mortality Weekly Report confirmed that the three people with haemophilia whose cases had been reported in July 1982 had all died

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During a Centers for Disease Control (CDC) meeting, Dr Francis slammed his fist on the table and asked in effect how many AIDS cases, or how many deaths, would be needed before those attending took action.

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In the 1997 Krever Report Mr Justice Krever summarised the Centers for Disease Control (CDC) meeting of January 1983 by noting "there was no consensus on the question whether AIDS was caused by a transmissible agent, on the risk of AIDS from blood donations, or on the desirability of introducing new methods of donor screening or testing to reduce the risk of transmission."

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Recommendations were announced by the US Public Health Service on 4 March 1983, when their principles were endorsed by the American Red Cross, the American Association of Blood Banks, and the Council of Community Blood Centers.

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The US Public Health Service announced recommendations for the prevention of AIDS in patients with haemophilia and for other recipients of blood and blood products so that a uniform set of recommendations might be developed.

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Documents recorded that it was estimated that prison plasma accounted for approximately 2% of the total plasma collected in the US as of mid 1982 and was obtained from no more than six to eight centres.

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Dr Clyde McAuley, Alpha's medical director, was quoted as saying "So long as there is any question about the involvement of blood products, Alpha is taking all possible steps to reduce the potential risk for the hemophiliac receiving our factor VIII and factor IX concentrates."

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By the summer of 1983, 800 potential donors had "voluntarily disqualified themselves from the pool."

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Alpha's insistence on the measures taken pertaining to high-risk donors meant that they lost contracts with some blood banks that sold recovered plasma as they were not prepared to implement them.

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The American Blood Association made a public statement accepting that the cases of AIDS in people with haemophilia "suggest that AIDS may be of infectious etiology" and the organisation urged that "steps be taken as soon as possible to screen plasma donors to minimize the possibility of transmitting AIDS."

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