There are about 2700 clinical studies being (or have been) conducted in Bulgaria. The country of the clinical trial is determined by the location of where the clinical research is being studied. Most studies are often held in multiple locations & countries.
The purpose of this study is to evaluate the long-term safety and efficacy of CNTO 136 (sirukumab) in participants with rheumatoid arthritis (RA) who are unresponsive to treatment with modifying antirheumatic drugs (DMARDs) or anti-TNF alpha agents.
This phase 4 study is designed for the collection of blood biomarker samples from patients who have completed chronic hepatitis B treatment with at least 25 weeks of a Pegasys (peginterferon alfa 2a) containing regimen and at least 24 weeks post-treatment follow-up. Patients may be enrolled from historical studies supported or sponsored by Roche, ongoing studies supported or sponsored by Roche or from general medical practice. The follow-up of patients who choose to participate in this study will be in accordance with the ongoing studies or with the general medical practice of the physician. Data from whole blood DNA samples collected in the GV28555 study or available from previously collected Roche Clinical Repository (RCR) samples will be used for combined analysis with data from other applicable studies. Procedures will include blood sample collection (not applicable for patients who previously have consented and donated RCR DNA samples) and medical record capture.
The purpose of this study is to investigate the safety and efficacy of multiple dose levels of the investigational product (study drug), IPI-145, in combination with methotrexate compared to methotrexate alone in subjects with active moderate-to-severe Rheumatoid Arthritis.
This is a Phase 3, randomized, double-blind, double-dummy, multicenter, prospective study to assess the efficacy, safety, and pharmacokinetics of eravacycline compared with ertapenem in the treatment of adult complicated intra-abdominal infections (cIAI).
A study for subjects with atrial fibrillation (AF) or atrial flutter who are diagnosed with left atrial (LA) or left atrial appendage (LAA) thrombus. The study will assign subjects to rivaroxaban for treatment of thrombi. The study will measure thrombus outcomes based on echo image and common clinical outcomes such as bleeding and stroke or thromboembolism.
This study will examine the safety and efficacy in subjects with mild to moderate ulcerative colitis, as measured by Modified Mayo Score, Modified Baron Score, IBDQ, calprotectin and other assessments.
To evaluate the maintenance of efficacy and safety during long-term treatment with brexpiprazole as an adjunctive treatment for adult subjects with Major Depressive Disorder (MDD)
The primary objectives of this study are to evaluate the clinical responder rate, defined as the proportion of subjects with normal UFC after 6 months of treatment with COR-003 in the Maintenance Phase without dose increase, and to evaluate the range of effective doses in subjects with various levels of hypercortisolism.
The primary purpose of this study is to evaluate the safety for 2 different rivaroxaban treatment strategies and one Vitamin K Antagonist (VKA) treatment strategy utilizing various combinations of dual antiplatelet therapy (DAPT) or low-dose aspirin (ASA) or clopidogrel (or prasugrel or ticagrelor).
The purpose of this study is to evaluate the effect of TAK-875 compared to placebo on glycemic control over a 24-week Treatment Period when used as an add-on to glimepiride in addition to diet and exercise.