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Expert Reviews in Molecular Medicine: http://www.expertreviews.org/
Accession information: Vol. 7; Issue 16; 24 August 2005 Abstract
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Summary of rheumatoid arthritis therapeutics in development

Sandra M. Sacre, Evangelos Andreakos, Peter Taylor, Marc Feldmann and Brian M. Foxwell

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Table 1. Summary of rheumatoid arthritis therapeutics in development
Name Type / Target Manufacturer Clinical stage Refs

Remicade® (infliximab)

Monoclonal antibody / TNF-a Centocor Inc. FDA approved 25

Enbrel® (etanercept)

Receptor / TNF-a Immunex/Wyeth FDA approved 26

Humira® (adalimumab)

Monoclonal antibody /TNF-a Abbott FDA approved 27

CDP 870

Monoclonal antibody /TNF-a Celltech Phase III 32

PEGylated soluble TNFR type I

Receptor / TNF-a Amgen Phase II 33

ISIS 104838

Antisense oligonucleotide / TNF-a ISIS Pre-clinical 36

TMI-1

Small molecule / TACE Wyeth Pre-clinical 37
Kineret® (anakinra) Protein / IL-1 Amgen FDA approved 46, 47
IL-1 TRAP Receptor / IL-1 Regeneron Phase IIb 48

CDP 484

PEGylated antibody fragment / IL-1b Celltech Phase I Further reading box
Pralnacasan Small molecule / Caspase I / IL-1 Vertex/Aventis Discontinued after Phase IIb 49

MRA

Monoclonal antibody / IL-6 Chugai/Roche Phase III 60, 152

ABX-IL8

Monoclonal antibody / IL-8 Abgenix Discontinued after Phase IIa Further reading box

ABT-874

Monoclonal antibody / IL-12 CAT/Abbott Phase II (Phase I/II) Further reading box

HuMax-IL-15

Monoclonal antibody / IL-15 Genmab/Amgen Phase II 69

IL-18bp (Tadekinig-a)

Protein / IL-18 Serono Phase IIa Further reading box

Trocade (Ro 32-3555)

Small molecule / MMP-1 Roche Discontinued after Phase I 79

IKK2 inhibitors

Small molecule / IKK2 Various companies Pre-clinical Reviewed in Ref. 101

p38 MAPK inhibitors

Small molecule / p38 MAPK Various companies Some in Phase I/II; many discontinued 111, 112, 113, 114, 115

Abatacept (CTLA4-Ig)

Fusion protein / CTLA4 Repligen Corporation Phase III 127

Rituxan (Rituximab/MabThera)

Monoclonal antibody / CD20 Genentech Phase III Further reading box
Abbreviations: CTLA4, cytotoxic T-lymphocyte-associated antigen 4; IKK2, IkB kinase 2; IL, interleukin; MAPK, mitogen-activated protein kinase; MMP-1, matrix metalloproteinase 1; TACE, TNF-a-converting enzyme; TNF-a, tumour necrosis factor a.

References cited in Table 1

25 Elliott, M.J. et al. (1994) Randomised double-blind comparison of chimeric monoclonal antibody to tumour necrosis factor alpha (cA2) versus placebo in rheumatoid arthritis. Lancet 344, 1105-1110, PubMed

26 Moreland, L.W. et al. (1999) Etanercept therapy in rheumatoid arthritis. A randomized, controlled trial. Ann Intern Med 130, 478-486, PubMed

27 Weinblatt, M.E. et al. (2003) Adalimumab, a fully human anti-tumor necrosis factor alpha monoclonal antibody, for the treatment of rheumatoid arthritis in patients taking concomitant methotrexate: the ARMADA trial. Arthritis Rheum 48, 35-45, PubMed

32 Rose-John, S. and Schooltink, H. (2003) CDP-870. Celltech/Pfizer. Curr Opin Investig Drugs 4, 588-592, PubMed

33 Darlington, C. (2003) PEG-sTNF-RI. Amgen. Curr Opin Investig Drugs 4, 583-587, PubMed

36 Kennewell, P. (2003) Technology evaluation: ISIS-104838, OraSense. Curr Opin Mol Ther 5, 76-80, PubMed

37 Zhang, Y. et al. (2004) Identification and characterization of 4-[[4-(2-butynyloxy)
phenyl]sulfonyl]-N-hydroxy-2,2-dimethyl-(3S)thiomorpho linecarboxamide (TMI-1), a novel dual tumor necrosis factor-alpha-converting enzyme/matrix metalloprotease inhibitor for the treatment of rheumatoid arthritis. J Pharmacol Exp Ther 309, 348-355, PubMed

46 Bresnihan, B. et al. (1998) Treatment of rheumatoid arthritis with recombinant human interleukin-1 receptor antagonist. Arthritis Rheum 41, 2196-2204, PubMed

47 Campion, G.V. et al. (1996) Dose-range and dose-frequency study of recombinant human interleukin-1 receptor antagonist in patients with rheumatoid arthritis. The IL-1Ra Arthritis Study Group. Arthritis Rheum 39, 1092-1101, PubMed

48 Economides, A.N. et al. (2003) Cytokine traps: multi-component, high-affinity blockers of cytokine action. Nat Med 9, 47-52, PubMed

49 Siegmund, B. and Zeitz, M. (2003) Pralnacasan (vertex pharmaceuticals). IDrugs 6, 154-158, PubMed

60 Maini, R. (2003) Chaisma study group. Double blind, randomised, parallel group, controlled, dose ranging study of the safety, tolerability, pharmacokinetics & efficacy of repeat doses of MRA lone or with MTX in RA patients. Ann Rheum Dis 62, 64

69 Baslund, B. (2003) First use of a human monoclonal antibody against IL-15 (HUMAX-IL-15) in patients with active rheumatoid arthritis (RA): Results of a double-blind, placebo-controlled phase I/II trial. Ann Rheum Dis 62, 66

79 Hemmings, F.J. et al. (2001) Tolerability and pharmacokinetics of the collagenase-selective inhibitor Trocade in patients with rheumatoid arthritis. Rheumatology (Oxford) 40, 537-543, PubMed

101 Karin, M., Yamamoto, Y. and Wang, Q.M. (2004) The IKK NF-kappa B system: a treasure trove for drug development. Nat Rev Drug Discov 3, 17-26, PubMed

111 Badger, A.M. et al. (1996) Pharmacological profile of SB 203580, a selective inhibitor of cytokine suppressive binding protein/p38 kinase, in animal models of arthritis, bone resorption, endotoxin shock and immune function. J Pharmacol Exp Ther 279, 1453-1461, PubMed

112 Jackson, J.R. et al. (1998) Pharmacological effects of SB 220025, a selective inhibitor of P38 mitogen-activated protein kinase, in angiogenesis and chronic inflammatory disease models. J Pharmacol Exp Ther 284, 687-692, PubMed

113 Badger, A.M. et al. (2000) Disease-modifying activity of SB 242235, a selective inhibitor of p38 mitogen-activated protein kinase, in rat adjuvant-induced arthritis. Arthritis Rheum 43, 175-183, PubMed

114 Wadsworth, S.A. et al. (1999) RWJ 67657, a potent, orally active inhibitor of p38 mitogen-activated protein kinase. J Pharmacol Exp Ther 291, 680-687, PubMed

115 McLay, L.M. et al. (2001) The discovery of RPR 200765A, a p38 MAP kinase inhibitor displaying a good oral anti-arthritic efficacy. Bioorg Med Chem 9, 537-554, PubMed

127 Kremer, J.M. et al. (2003) Treatment of rheumatoid arthritis by selective inhibition of T-cell activation with fusion protein CTLA4Ig. N Engl J Med 349, 1907-1915, PubMed

152 Nishimoto, N. et al. (2004) Treatment of rheumatoid arthritis with humanized anti-interleukin-6 receptor antibody: a multicenter, double-blind, placebo-controlled trial. Arthritis Rheum 50, 1761-1769, PubMed

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