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Dr Maycock stated: "DHSS, in order to be able to carry with confidence its responsibility for providing the transfusion service in England and Wales, should consider fostering the development of a central transfusion research laboratory."

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Capital funding was the preserve of central government, which considered that so far as the laboratory at BPL was concerned "expenditure on up-grading should be reviewed and minimised pending a decision on the laboratory's future."

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Dr James Smith wrote: "The significance of a product demonstrably free of hepatitis risk cannot be ignored and it is essential that BPL/PFL be well placed to take advantage of such developments."

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Dr Lane reported to the Scientific and Technical Committee of the Central Blood Laboratories Authority during the next month that "a research project into the development of coagulation factor concentrates with reduced risk of hepatitis transmission, was an appropriate case for central funding."

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Dr Lane recorded that he proposed to the CBLA Scientific and Technical Committee in the spring of 1981 that a research project into the development of coagulation factor concentrates with reduced risk of hepatitis transmission was an appropriate project for central funding.

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A paper was produced by the Research and Development department of BPL, which noted that heating albumin products for such a period in the presence of a stabiliser had a "good record in the elimination of hepatitis virus infectivity" and that "If similar stabilisers can be established for coagulation factor products then heat inactivation will become the treatment of choice."

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A number of other possibilities for reducing the risk of hepatitis were canvassed by BPL 1981.

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Dr Smith visited PFC in Scotland and discussed research and development in respect of coagulation factors, and put forward to Dr Lane a "Proposal to Develop a 'Hepatitis-Safe' Factor VIII Concentrate".

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The draft proof of evidence of Dr Richard Lane expressed that "NANBH causes increasing concern, less on account of its acute effects (although deaths have been reported) than because of its association with chronic active hepatitis in later life", and that AIDS was "not yet proven to be of viral origin, but this is strongly presumed".

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Dr Smith proposed to make a special preparation of Factor 8 which would be subjected to dry heat (8CRV).

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Dr Smith was concerned that the few blood product recipients who had not already been infected with hepatitis might be engaged in testing other products to establish, for licensing authorities considering the grant of licences in respect of those products, whether they did, indeed, reduce non-A non-B Hepatitis as claimed.

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Dr Smith said that PFL/BPL had elected to try dry heating of an existing product, 8CRV. In the proposal he recognised "our late start."

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"The Lancet" published an article which in its summary said that the findings reported in it "support the possible role of retroviruses in AIDS, and indicate that factor VIII concentrates must be heated to inactivate these infectious viruses."

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Dr Lane wrote to Dr Edmund Harris at the DHSS to notify him of his plan to dry heat all the Factor 8 to be produced "on the empirical basis that it has a satisfactory process efficacy for inactivation of HTLV-III."

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Dr Harris asked Dr Lane to refer his plan to an advisory group to consider if the evidence for inactivation of HTLV-3 by heat was "sufficient to warrant" taking such a step, "particularly if a screening test can be made available."

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Dr Lane reported promising trials of a heat-treated product to the CBLA Central Committee for Research and Development in Blood Transfusion and that the time scale for the new product he had in mind ("8Y") was a year.

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Dr Lane's team gave him a "very provisional" date of 1 April 1985 for the implementation of heat treatment, and said it was "impossible to judge its feasibility."

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Dr Smith told Dr Lane: "US companies say they can provide UK with more than enough heated product, today."

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Dr Smith told Dr Lane: "Anything going into PFL's oven on 11th December will not be issuable until January", and asked if there should be an interim policy on the issue of "what little dry-heated 8CRV we already stock?"

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In an editorial "The Lancet" said that the time had come when it was now reasonable to switch to heat-treated products.

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