The purpose of this study is to evaluate the effects of nicotinic alpha-7 MEM 3454 on P50 sensory gating in patients with Schizophrenia. The hypothesis is that MEM 3454 will normalize the P50 ratio. Data produced in this study will provide useful information regarding the value of P50 as an efficacy biomarker, and provide evidence for the optimal dosing of MEM 3454 for additional P50 studies.

Current practice of immune suppressive standard therapy after renal transplantation in non-risk patients is a triple therapy consisting of steroids, a calcineurin inhibitor and MMF. The aim of this clinical trial is to combine a reduction of CNI using tacrolimus and a concept of not using steroids in order to establish an immunosuppressive regimen in immunologically non-risk patients that is efficient and causes as few side effects as possible.

This study will evaluate the pharmacokinetics, maximum tolerated dose and anti-tumor activity of RO5083945 in patients with metastatic and/or locally advanced malignant EGFR+ solid tumors. In the first part of the study, groups of patients will be sequentially enrolled to receive ascending doses of RO5083945 administered weekly, every 2 weeks or every 3 weeks. The starting dose of 50mg weekly will be escalated in subsequent groups of patients after a successful assessment of the safety, tolerability and pharmacokinetics of the previous dose. In Part 2 of the study, patients with EGFR+ and mutant KRAS colorectal cancer will be enrolled, and will receive RO5083945 at the recommended dose and regimen identified in Part 1. The anticipated time on study treatment is until disease progression, and the target sample size is <100 individuals.

This single arm study will evaluate the long-term efficacy and safety of tocilizumab in patients who have completed treatment in the tocilizumab WA17822 study of adults with rheumatoid arthritis. Patients will receive tocilizumab alone or in combination with standard anti-rheumatic treatment. The anticipated time on study treatment is 2+ years, and the target sample size is 500+ individuals.

This single arm study will evaluate the long-term efficacy and safety of tocilizumab in patients who have completed treatment in the tocilizumab core studies of adults with rheumatoid arthritis. Patients will receive tocilizumab alone or in combination with standard anti-rheumatic treatment. The anticipated time on study treatment is 2+ years, and the target sample size is 500+ individuals.

To estimate the difference in efficacy and safety of bevacizumab and RAD001 compared to bevacizumab and interferon alfa-2a for first-line treatment of patients with metastatic carcinoma of the kidney.

This study will assess the effect of maintenance treatment with MabThera,in comparison with a 2 year observation period (no treatment),in patients with progressive B-cell chronic lymphocytic leukemia who have had previous first-line induction treatment with MabThera (RCC regimen).After 6 months of induction therapy with RCC (MabThera + cladribine + cyclophosphamide) patients will be randomized either to receive maintenance treatment with MabThera (375mg/m2 iv every 12 weeks, or to receive no treatment (observation only).The anticipated time on study treatment is 2+ years, and the target sample size is 100-500 individuals.

This 3 arm study will compare the efficacy and safety of three different dermatological creams designed for prophylaxis of skin rash associated with Tarceva treatment in patients with locally advanced or metastatic non-small cell lung cancer. Eligible patients who have recently started Tarceva treatment will be randomized to one of 3 groups, to receive daily treatment with Verutex, Eritex or Fisiogel cream for 30 days, and the incidence and severity of skin rash will be assessed. The anticipated time on study treatment is <3 months, and the target sample size is 100-500 individuals.

This 2 arm study will compare the hemoglobin maintenance with once monthly Mircera administration versus epoetin beta or darbepoetin alfa in patients with chronic kidney disease on hemodialysis. Patients will be randomized to receive either monthly s.c. or i.v. Mircera (at a starting dose of 120 or 200 micrograms, calculated from the last weekly dose of epoetin beta or darbepoetin alfa previously administered), or standard therapy (iv or sc epoetin beta once, twice or thrice weekly, or iv or sc darbepoetin alfa once a week or twice a week). The anticipated time on study treatment is 3-12 months, and the target sample size is 500+ individuals.

This 3-arm study will assess the efficacy, safety and tolerability of taspoglutide compared with exenatide in patients with type 2 diabetes mellitus inadequately controlled with metformin, thiazolidinedione or a combination of both. Patients will be randomized to receive taspoglutide (10mg once weekly or 10mg once weekly for 4 weeks followed by 20mg once weekly) or exenatide (5 micrograms twice daily for 4 weeks followed by 10 micrograms twice daily) in a ratio of 1:1:1 in addition to continued prestudy metformin and thiazolidinedione either alone or in combination. The anticipated time on study treatment is 2+ years, and the target sample size is >500 individuals.