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1Main
2Brand NameSimponi fka CNTO 148
3Generic Namegolimumab
4IndicationApproved for rheumatoid arthritis, psoriatic arthritis and ankylosing spondylitis.
5Dosing50mg SC QM (Humira q2w, Enbrel qw). IV coming?
6IPNCE? 7,521,206 issued in 2009. ABT suing over 7223394.
7MechanismHuman IGG1 MAB to TNF-alpha. Multiple glycoforms result in weight of 150-151 kD. Binds to soluble and transmembrane TNFa, but does not bind lymphotoxin.
8PKTmax 2-6 days. Cmax 2.5ug/mL. Limited extravascular distribution. Terminal 1/2 of 2 weeks. Absolute F of 53%. Steady-state at 12 weeks.
9Side EffectsTubercluosis reactivation (0.23/100 patient years incidence in n=2347 phase II/III experience), lymphoma (0.21/100 patient years). Less dropouts than placebo in Phase III experience.
10TimelineApproved in the US 4/29/09. Submitted MAA in March 2008. Positive CHMP opinion June 2009.
11PapersPharmacokinetics and Safety of Golimumab, a Fully Human Anti-TNF-alpha Monoclonal Antibody, in subjects with Rheumatoid Arthritis. Zhou et al. J Clin Pharm 2007;47:383-396.
12EconomicsSGP partner? MEDX.
13Clinical Studies
14Phase III "T05, RA-3" - n=637 - RA naïve to methotrexate - "GO-BEFORE" - EULAR 2008
15MTX alone vs 50mg+MTX vs 100mg+MTX vs 100mg monotherapy. ACR50 at week 24 was the primary endpoint.
1650mg missed S.S.: 36% ACR50 for goli+MTX vs 29% for MTX.
17ACR 20% at week 24 was 52% for monotherapy, 49% for MTX monotherapy, 62% for combination.
18ACR 50% at week 24 was 29% for MTX and 40% for combination.
19ACR 70% at week 24 was 16% for MTX and 24% for combination.
20
21Phase III "T06, RA-2, GO-FORWARD" - n=444 - RA active despite MTX - Keystone et al, Ann Rheum Dis 2009 June;68(6):789-96.
2250mg, 100mg and placebo all with background MTX, or 100mg monotherapy. ACR20 at week 14 was the primary endpoint.
23ACR 20 at week 24 for 50mg+MTX was 60% vs 28% for MTX alone (55% and 33% at week 14).
24ACR 50 at week 24 for 50mg+MTX was 37% vs 14% for MTX alone (35% and 10% at week 14).
25ACR 70 at week 24 for 50mg+MTX was 20% vs 5% for MTX alone (13% and 4% at week 14).
26
27Phase III "T11, RA-1" - n=461 - TNF-refractory
2850mg, 100mg and placebo. ACR at week 14 was the primary endpoint.
29ACR 20 at week 24 for 50mg+MTX was 34% vs 17% for MTX alone (35% and 18% at week 14).
30ACR 50 at week 24 for 50mg+MTX was 18% vs 5% for MTX alone (16% and 6% at week 14).
31ACR 70 at week 24 for 50mg+MTX was 12% and 3% for MTX alone (10% and 2% at week 14).
32
33Phase III "T08" - n=405 - Psoriatic Arthritis
34ACR20 at week 24 for 50mg+MTX was 52% vs 12% for MTX alone (51% vs 9% at week 14).
35ACR50 at week 24 for 50mg+MTX was 32% vs 4% for MTX alone (30% and 2% at week 14).
36ACR70 at week 24 for 50mg+MTX was 19% vs 1% for MTX alone (12% vs 1% at week 14).
37
38Phase III "T09" - n=356 - Ankylosing spondylitis
39ASAS response of 59% for 50mg+DMARDS vs 22% for DMARDS alone at week 14.
40
41Phase II - Rheumatoid Arthritis - Published in Arthritis & Rheumatism 2006: 54(9);S833. Kay J et al.
42p2 RA - 62% of goli+MTX had ACR20 at week 16 vs 37% for MTX alone. 31% ACR50, 12% ACR70 (6% and 0% for placebo). 25% achieved remission evaluated by DAS28.
43
44Phase II asthma n=309
45Study terminated due to 1 death and 8 malignancies. No efficacy seen at 24 weeks.
46
47Phase II Crohn's
48Doing second phase 2 to identify dose, prioritization is low.
49
50
51RxSimponiCimziaEnbrelHumira
52SimponiEnbrelHumiraCimziaNRXTRXNRXTRXNRXTRXNRXTRXNRXTRX
539/4/2009485972August21283798270645584751515101739653117098
548/28/20090.0250.5020.4170.0335471016July22203169146024074880915987439453121735
558/21/20090.0210.5190.4140.027464833June17171897123720935307516457442789123268
568/14/20090.0210.5020.4290.029
578/7/20090.0240.4970.4310.027
587/31/20090.0210.5280.4130.016
597/24/2009
607/17/2009
617/10/2009
627/3/2009