Abstract
Regional chemotherapy to a tumour is most commonly delivered by intra-arterial infusion. An alternative method of regional drug delivery, isolated perfusion, may be used where anatomical considerations permit. The technique of isolated perfusion in the rabbit hindlimb is described. The use of this model with the implantable rabbit VX2 carcinoma allows estimation of drug uptake by normal tissues, primary tumour and popliteal lymph node metastases. Correlation of such data with blood flow measurements enables targeting of new cytotoxic agents to be evaluated. The effect of perfusate composition on tissue uptake of such an agent, the plant toxin ricin, has been determined.
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