Introduction. I: Membrane Transport Mechanism. 1. P-Glycoprotein- Mediated Multidrug Resistance: Experimental and Clinical Strategies for its Reversal; J.M. Ford, et al. 2. Multidrug Resistance Associated with Overexpression of MRP; S.P.C. Cole, R.G. Deeley. II: Resistance to Alkylating Agents. 3. Mechanisms of Resistance to Alkylating Agents; P.G. Penketh, et al. 4. Glutathione S-Transferases; A. Raha, K.D. Tew. 5. The Role of DNA Repair in Resistance to Drugs that Alkylate O6 of Guanine; O.N. Koç. III: Resistance to Microtubule Active Drugs. 6. Paclitaxel (TAXOL) Mechanisms of Resistance; A.M. Casazza, C.R. Fairchild. IV: Resistance to Anti-Metabolics. 7. Mechanisms of Clinical Resistance to 5-Fluorouracil Chemotherapy; E. Chu, C.J. Allegra. 8. Antifolates: The Next Generation; E.A. Rayl, G. Pizzorno. 9. Human Immunodeficiency Virus Replication in the Presence of Antiretroviral Drugs: Analogies to Antineoplastic Drug Resistance; R.K. Strair, D.J. Medina. V: Topoisomerases. 10. Cellular Resistance to Topoisomerase Poisons; E.H. Rubin, et al. VI: Resistance to Endocrine Therapies. 11. The Acquisition of an Antiestrogen Resistant Phenotype in Breast Cancer: The Role of Cellular and Molecular Mechanisms; R. Clarke, et al. 12. Androgen Receptor Mutations in Prostate Cancer; E.P. Gelmann. VII: Resistance to Retinoids. 13. Retinoids in Clinical Cancer Therapy; J.R.F. Muindi. VIII: NovelMechanisms and Approaches. 14. Apoptosis and Cancer Chemotherapy; S. Lutzker, A.J. Levine. 15. The Interaction of Chemotherapy and Biological Response Modifiers in the Treatment of Melanoma; A.C. Buzaid, C.M. Anderson, E.A. Grimm. 16. Multifunctional Modulators of Drug Resistance; J.R. Murren, et al. Index.