There are about 3576 clinical studies being (or have been) conducted in South Africa. 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 safety and efficacy of risankizumab in adults with moderately to severely active psoriatic arthritis (PsA).
Prospective, randomised, controlled trial of a novel implant intended for use during surgical repair of lacerated Zone 2 flexor digitorum profundus tendons.
Approximately 1000 patients presenting with tibial shaft fractures (AO type 42) will be enrolled prospectively in this registry. All patients are treated and followed at 6 weeks, 6 months and 1 year postoperative always following the local standard of care (routine) visit schedule up to 36 months if required. Data collection includes patient and fracture details, treatment details, functional, clinical and patient-reported outcomes and anticipated or procedure- and implant-related adverse events (i.e. complications) and their corresponding treatment
This study consists of several parts: dose escalation, dose expansion, dose expansion in Chinese participants residing in China, and coformulation. Dose escalation is to evaluate the safety, tolerability, and preliminary efficacy of MK-4830 monotherapy administration (Arms A and B) and in combination with pembrolizumab (Arm C). Dose expansion is to evaluate the objective response rate (ORR) of MK-4830 in combination with pembrolizumab (Arms A-F); evaluate the safety and tolerability of MK-4830 administered in combination with pembrolizumab, carboplatin, and pemetrexed (Arm G) and of MK-4830 administered in combination with pembrolizumab and lenvatinib (Arm H); evaluate the safety, tolerability and ORR of MK-4830 in combination with pembrolizumab plus chemotherapy (Arms I-L); and evaluate the safety and tolerability of MK-4830 in combination with pembrolizumab in Chinese participants from China (Arm M). The coformulation part (Arm N) evaluates the safety and tolerability of MK-4830A (coformulation of MK-4830 800 mg + pembrolizumab 200 mg). There is no formal hypothesis testing in this study.
Primary Objective: - To evaluate the long-term safety and tolerability of dupilumab in pediatric patients with asthma who participated in a previous dupilumab asthma clinical study. - To evaluate the efficacy of dupilumab in children of 6 to <12 years of age with uncontrolled persistent asthma in the Japan sub-study. Secondary Objectives: - To evaluate the long-term efficacy of dupilumab in pediatric patients with asthma who participated in a previous dupilumab asthma clinical study. - To evaluate dupilumab in pediatric patients with asthma who participated in a previous dupilumab asthma clinical study with regard to: - Systemic exposure. - Anti-drug antibodies (ADAs). - Biomarkers. - To evaluate the safety and tolerability of dupilumab in pediatric patients with asthma in the Japan sub-study - To evaluate dupilumab in pediatric patients with asthma in the Japan substudy with regard to: - Systemic exposure, - Anti-drug antibodies (ADAs), - Biomarkers
This 2-part study will evaluate the safety and efficacy of pembrolizumab (MK-3475) compared to placebo in participants with surgically resected high-risk Stage II melanoma. Participants in Part 1 will receive either pembrolizumab or placebo in a double-blind design every 3 weeks (Q3W) for up to 17 cycles/~1 year (each cycle = 21 days). Participants who complete the initial treatment of 17 cycles of pembrolizumab in Part 1 and experience disease recurrence may be eligible for re-challenge with pembrolizumab at the same dose and schedule of 200 mg Q3W (21-day cycles) for up to 35 cycles (up to ~2 years) in Part 2 in an open label design. Participants who complete the initial treatment of placebo and experience disease recurrence may be eligible to switch over to pembrolizumab 200 mg Q3W (21-day cycles) for up to 35 cycles (up to ~2 years) in Part 2 in an open label design. The primary hypothesis of this study is that pembrolizumab increases recurrence-free survival (RFS) compared to placebo. Per protocol, response/ progression or adverse events (AEs) during re-challenge/switch-over in Part 2 will not be counted towards the RFS outcome measure or safety outcome measures respectively.
This study is being conducted by BioMarin Pharmaceutical Inc. as an open label, single dose study to determine the safety of valoctocogene roxaparvovec (an Adenovirus-Associated Virus (AAV) based gene therapy vector) in severe Hemophilia A patients with pre-existing antibodies against AAV5.
This study will investigate the utility of biomarker-based triage for study participants with advanced non-small cell lung cancer (NSCLC) without prior systemic therapy. Study participants within groups defined by a biomarker-based classifier (gene expression profile [GEP] and tumor mutational burden [TMB]) will be randomized to receive pembrolizumab in combination with quavonlimab (MK-1308), favezelimab (MK-4280), or lenvatinib. The primary hypotheses are as follows: In participants receiving pembrolizumab in combination with either quavonlimab, favezelimab, or lenvatinib, the Objective Response Rate (ORR) will be 1) greater than 5% among participants with low GEP and low TMB, 2) greater than 20% among participants with low GEP and high TMB, 3) greater than 20% among participants with high GEP and low TMB, and 4) greater than 45% among participants with high GEP and high TMB.
This is a phase 2, double-blind, randomized (1:1), placebo-controlled trial with two parallel groups. - H56:IC31 (investigational vaccine) - Placebo 900 HIV-negative adults with a diagnosis of drug susceptible pulmonary TB are planned to be included, recruited from TB clinics with established relationships to the trial sites at the start of their TB treatment. 5 study sites in South Africa: 2 sites from the AURUM institute (Klerksdorp and Tembisa) and 3 in Cape Town at TASK Applied Science (TASK), the University of Cape Town Lung Institute (UCTLI) and South African Tuberculosis Vaccine Initiative (SATVI) under UCT, respectively. 1 study site in Tanzania (TZ): 1 site at Mbeya Medical Research Centre (MMRC) under the National Institute for Medical Research (NIMR).
This research programme aims to translate expertise in warfarin anticoagulation from resource-rich to low and middle income countries (LMIC)settings with the goal of improving patient health outcomes. An observational study which will be used to develop warfarin dosing algorithms - the ultimate aim will be to ascertain whether these algorithms increase time in the therapeutic range, reduce bleeding and thrombotic risks, and clinic visits for International Normalised ratio (INR) monitoring. Two algorithms will be developed: the first will take into account clinical and geographical factors ("clinical algorithm"), while the second will also incorporate genetic factors in addition to the clinical and geographical factors ("genetic algorithm"). Patients will be recruited from sites in rural and urban Uganda, and in Cape Town, South Africa, to develop a clinical dosing algorithm. It is important to note that there is a wealth of literature data which will be used to define the clinical data that needs to be collected from these patients. To identify genetic factors in African patients, Genome-wide Association Study (GWAS) will be undertaken and any novel factors incorporated into the genetic algorithm - the percentage variation in warfarin dosing explained by the genetic algorithm will be compared with the clinical algorithm.