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NCT00403273
Primary Total Knee joint replacement surgery is highly successful surgery for relieving pain and improving function in patients with disabling arthritis. Unfortunately, like all biomedical devices, prosthesis failure is a complication of knee replacement surgery that leads to disabling pain, stiffness and loss of function. Approximately 1% of the knee replacements fail every year leading to a 20% failure rate over 20 years. The common causes of failure of prosthetic joint are infection, loosening, trauma or wear of the prosthesis. Currently, a revision surgery is the best option for long term pain relief (analgesics or other pain medications are options but are of limited benefit). Surgery may not be feasible in patients due to advancing age, other medical conditions and surgical/technical difficulties or patient's choice. In addition, the results from revision surgery are not as good as the initial knee joint surgery. Therefore, there is a great need for a novel, targeted therapy that provides an option to patients who are unfit, unable, or unwilling to undergo surgery. In the investigators' recent pilot study, a single injection of Botulinum toxin A (Botox) in painful natural knee, ankle and shoulder joints of patients with various types of arthritis led to significant and durable improvement in pain and function and was safe to use. The investigators propose this 6-month study to compare pain relief, improvement of function and safety of an injection of Botulinum toxin compared to placebo in patients with a painful prosthetic knee joint. Both patients and investigators will be blinded to the treatment assignment to a patient until the study is completed. The investigators will assess the amount and duration of pain relief, improvement in function and short term safety of Botulinum toxin using standard validated measures. Patients will be evaluated at baseline, 2 weeks, 1-, 2-, 3-, 4- and 6-months after a single injection of either placebo or BoNT/A in the hip or knee prosthesis. The six-month follow-up is to assess the duration of meaningful pain relief. If successful, this will offer a new treatment option for patients with a chronically painful knee prosthetic joint, provide more insight into the origin and cause of pain in prosthetic joints and direct future investigations in new directions.
NCT02585778
Primary Objectives: * To demonstrate the superiority of alirocumab in comparison with placebo in the reduction of calculated low-density lipoprotein cholesterol (LDL-C) in participants with diabetes treated with insulin and with hypercholesterolemia at high cardiovascular risk not adequately controlled on maximally tolerated LDL-C lowering therapy. * To evaluate the safety and tolerability of alirocumab in participants with diabetes treated with insulin. Secondary Objective: To demonstrate that alirocumab was superior in comparison to placebo in its effects on other lipid parameters (i.e., measured LDL-C, non-high-density lipoprotein cholesterol \[non-HDL-C\], apolipoprotein B \[Apo B\], total cholesterol \[TC\], lipoprotein a \[Lp(a)\], high density lipoprotein cholesterol \[HDL-C\], triglyceride \[TG\] levels, triglyceride rich lipoproteins \[TGRL\], apolipoprotein A-1 \[Apo A-1\], apolipoprotein C-III \[Apo C-III\], and LDL particle number and size).
NCT03118544
The is an observational, prospective study to evaluate the effect of the DyeVert System on contrast volume administration in patients undergoing clinically-indicated chronic total occlusion (CTO) percutaneous coronary intervention (PCI)
NCT01890421
Participants being evaluated for suspected or known Coronary artery Disease (CAD) based on signs and/or symptoms, will be invited to participate in the study. The duration for a participant in the study may range from 2 days to 4-6 weeks. One to four visits to the study doctor will be required. This study will investigate the diagnostic results of gadobutrol-enhanced Cardiac Magnetic Resonance Imaging (CMRI) images regarding the detection (sensitivity) and exclusion (specificity) of coronary artery disease utilizing a uniform image acquisition software. The CMR images will be tested either against the results from routine clinical Coronary Angiography (CA) or those from Computed Tomography Angiography (CTA), which is used as the standard of reference. The CA/CTA may have been performed up to 4 weeks prior to enrollment or be scheduled up to 4/6 weeks after the study. CMRI and CA/CTA images will be collected for an independent image review (blinded read).
NCT00762931
The goal of this study is to validate design for the Resolve™ Stimulator and Proximity Electrode and the associated procedure to quickly and safely place an electrode into the neck, in the vicinity of the vagus nerve by a physician in either the Emergency Department or other appropriate hospital inpatient setting (e.g., ICU). The secondary goal is to confirm that the electrical signal being delivered via this electrode rapidly counters bronchoconstriction and improves airway flow.
NCT00860145
This study will compare radiosurgery (focused radiation, Gamma Knife Radiosurgery) with temporal lobectomy (standard surgical care) as a treatment of temporal lobe epilepsy. Patients who have seizures that begin in their temporal lobe that are not controlled with medications into the trial will be offered entry. Patients with a high likelihood of having their seizures controlled with open surgery will have treatment randomized between the standard surgery and radiosurgery. A prior study has shown that focused radiation (radiosurgery) may also reduce or eliminate seizures arising from the temporal lobe. The main study hypothesis is that radiosurgery is as safe and effective as temporal lobectomy in treating patients with seizures arising from the medial temporal lobe.
NCT03522233
Acute appendicitis (AA) is the most common condition requiring emergency surgery in children. At a network of institutions nationwide, a tool called the pediatric appendicitis risk calculator (pARC)1 is being studied to assess patient's true risk of appendicitis and provide guidance for clinical management to ER physicians. Preliminary studies have found the pARC to be more accurate at predicting risk of appendicitis in children when compared to other scoring systems. The study objective is to assess acute care charges and clinical outcomes among children with an appendix ultrasound and a pARC score of less than \< 25% risk.
NCT01202773
The primary purpose of this study is to help answer if LY2127399 is safe and effective in the treatment of rheumatoid arthritis in participants with an inadequate response to one or more tumor necrosis factor-alpha (TNF-α) inhibitors. This study is comprised of 2 periods: Period 1: 24-week blinded treatment Period 2: 48-week post-treatment follow-up
NCT01295489
This research trial studies biomarkers in patients with previously untreated invasive ovarian epithelial, fallopian tube, or primary peritoneal cancer. Studying samples of tumor tissue, peritoneal cavity fluid, and blood from patients receiving chemotherapy directly into the abdominal cavity (intraperitoneal) may help doctors learn more about the effects of intraperitoneal chemotherapy on cells. It may also help doctors identify and learn more about biomarkers related to cancer.
NCT01200589
This was a multi-center, parallel, active comparator controlled, open-label, randomized (1:1) phase III study of single agent ofatumumab compared to single agent rituximab in subjects with rituximab-sensitive indolent B-cell non hodgkin lymphoma that has relapsed at least 6 months after completing treatment with single agent rituximab or a rituximab-containing regimen. Subjects must have attained a Complete Response or Partial Response to their last prior rituximab containing therapy lasting at least six months beyond the end of rituximab therapy. Subjects were to receive four weekly doses of single agent ofatumumab (1000 mg) or rituximab (375 mg/m2), followed by ofatumumab (1000 mg) or rituximab (375 mg/m2) every 2 months for four additional doses. Therefore, subjects were to receive a total of eight doses of anti-CD20 antibody over 9 months. Subjects were evaluated for response after completion of the first four doses of therapy, after six doses of therapy, and after completion of study therapy. Subjects were to be followed until the end of the designated follow-up period (total study duration of 200 weeks) or until they meet the withdrawal criteria. The primary objective of the study OMB157D 2303 was to demonstrate the efficacy of Arzerra based on the primary endpoint (Progression-free survival (PFS) as assessed by the IRC) in patients with Indolent B-cell Non-Hodgkin's Lymphoma Relapsed After Rituximab-Containing Regimen. The Independent Data Monitoring Committee (IDMC) met on November 22, 2015 and recommended the termination of the study due to futility (cut-off date = 12Jun2015). The IDMC reviewed analyses results for progression free survival (PFS), overall response rate (ORR), and overall survival (OS). Novartis accepted this recommendation and the study was closed. Final analysis was performed (cut-off date =19 Dec 2016). As the study was stopped for futility, the primary objective was not met and some secondary endpoints, supportive of primary objective (Duration of Response (DOR), time to next therapy, and pharmacokinetics) were removed as secondary end points.
NCT01090492
The investigators propose that once daily administration of PF-00489791, a phosphodiesterase inhibitor, will reduce vasospasm and improve symptoms and signs associated with Primary and Secondary Raynaud's Phenomenon.
NCT01252628
The purpose of this Phase 1/2 open-label study is to determine the safety and efficacy of a cetuximab and PX-866 combination treatment. In the Phase 1 part of the study, the dose of PX-866 to be given in combination with cetuximab will be determined in patients with incurable metastatic CRC or incurable progressive, recurrent or metastatic SCCHN. The Phase 2 part of the study is a randomized evaluation of the antitumor activity and safety of PX-866 in combination with cetuximab versus cetuximab alone in patients with either incurable metastatic CRC who have a history of progression or recurrence following prior irinotecan and oxaliplatin containing regimens or are intolerant of irinotecan (Group 1) or incurable progressive, recurrent or metastatic SCCHN (Group 2).
NCT02098967
This open label, Phase I study of RO6839921 is a dose-escalation study with two arms. Prior to investigations in either arm, patients in a single cohort, Cohort 0, will receive non-escalating, intravenous (IV) doses of RO6839921 daily on Days 1-5 of a 28-day cycle. Interim PK and safety data from this cohort will be evaluated before initiating dose-escalation. In arm A, RO6839921 will be given to patients with advanced solid tumor malignancies. In Arm B, RO6839921 will be given to patients with relapsed/refractory acute myeloid leukemia (AML). The arms will escalate independently. Escalation will begin in solid tumor patients (Arm A) in single patient cohorts, using a new Continual Reassessment Method (n-CRM). Escalation for AML patients will be initiated at or below the dose level that causes \>/= Grade 2 hematologic side effects in Arm A. Escalation in AML patients will follow a rolling 6 design. In both arms, RO6839921 will be administered by IV infusion on Days 1-5 of 28-day cycles. There will be no intrapatient dose escalation. All patients may be treated until disease progression/relapse or unacceptable toxicity.
NCT02214277
The Sentinel System will be a safe and effective method for capturing and removing embolic material (thrombus/debris) during transcatheter aortic valve replacement in order to reduce the ischemic burden in the cerebral anterior circulation.
NCT02059291
This study is to determine whether canakinumab is able to induce and maintain a clinically meaningful reduction of disease activity in participants with Hereditary Periodic Fevers (HPF) compared to placebo.
NCT01553058
The purpose of this study is to assess the effect of adalimumab (Humira), when compared to NB-UVB (narrow-band ultraviolet B) phototherapy or placebo (an inactive substance that may resemble an active substance but has no medical value) injection. The study will compare the effects of each on systemic inflammation and cardiovascular disease risk factors in subjects diagnosed with moderate to severe psoriasis. This study will look for systemic vascular inflammation in subjects with a test called FDG-PET/CT (Fluorodeoxyglucose-positron emission tomography/computed tomography). The study will also look for cardio metabolic (heart disease and metabolic factors such as diabetes) identifiers in the blood. A blood sample will be taken that will look for these markers identifying high cholesterol, cholesterol efflux function (the ability of cholesterol to move in the body), metabolic factors, and inflammation. This study will also assess the effect of adalimumab (Humira), when compared to NB-UVB phototherapy or placebo injection on psoriasis activity and severity. The study will also compare the safety of adalimumab (Humira) to NB-UVB phototherapy or placebo injection. This study will also evaluate subjects' reported outcomes through a questionnaire that will assess quality-of-life in subjects living with psoriasis.
NCT01866592
VIP-E is a one-arm, open-label, 40-52 week extension study to continue or cross over subjects of the VIP study (# 814278) to active drug (adalimumab) to determine if there is sustained improvement in vascular inflammation, lipid metabolism, and inflammatory markers. VIP-E extends VIP study procedures for 40-52 weeks including questionnaires, physical exams, blood and urine samples, lab tests, one additional FDG-PET/CT scan, and adalimumab injections following FDA-approved psoriasis treatment regimen.
NCT01864616
The purpose for this study is to determine the effect of vitamin D supplementation on disease activity in Crohn's disease patients in Canada and Saudi Arabia
NCT02996903
The "Prospective Multicenter Registry On RadiaTion Dose Estimates Of Cardiac CT AngIOgraphy IN Daily Practice in 2017" (PROTECTION-VI) study is a prospective registry and investigator-initiated initiative without third-party funding, which will collect and analyze the radiation dose exposure of Cardiac Computed Tomography Angiographic (CCTA) studies in current daily practice worldwide. Particularly, the study will assess the use of strategies for dose reduction during CCTA. A decade ago, the multicentre observational PROTECTION-I study has revealed that the dose-length-product of CCTA ranges between 568 - 1259 mGy x cm with a median of 885 mGy x cm. This corresponds to an estimated effective dose of approximately 12 mSv. Since then a variety of techniques have been developed and enhanced in order to reduce radiation exposure during CCTA. Recent studies demonstrated feasibility of dramatically reduced effective radiation doses during CCTA (0,1 - 0,3 mSv). This has been executed in small cohorts of patients at scientific expert centers. However, it remains unclear, if such low-level radiation dose exposure may be achieved in clinical routine and if diagnostic image quality is maintained. In order to analyze the magnitude of radiation dose exposure of CCTA in today's clinical practice and the current use of dose-saving techniques, we designed the PROTECTION-VI study. Eventually, this study may contribute to further improving radiation dose exposure for patients undergoing CCTA.
NCT01874665
The purpose of this study is to evaluate the efficacy and safety of ponatinib in participants with metastatic and/or unresectable gastrointestinal stromal tumor (GIST) following failure of prior tyrosine kinase inhibitor (TKI) therapy.
