There are about 3473 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 the study is to evaluate the reactogenicity, safety, and immunogenicity of an investigational respiratory syncytial virus (RSV) vaccine, mRNA-1345, in pregnant women, and safety and immunogenicity in infants born to vaccinated mothers.
This is a mixed methods study employing a convergence model triangulation design. Participants in the study will be sexually active young adults starting PrEP at private pharmacies, who will be offered either CAB-LA, oral PrEP (TDF/FTC[3TC]), or PrEP deferment at each of their regular visits, with the option to switch between options for up to 15 months, with a final exit interview following the transition to standard-of-care. The number of study visits will vary, depending on participant PrEP choices. Those choosing oral PrEP, will be seen 3 monthly from V2 onwards, but those choosing CAB-LA, will be seen 2 monthly from V2. A maximum of 9 visits is possible.
The goal of this randomized clinical trial is to evaluate safety and biologic effect of a multi-strain vaginal L. crispatus live biotherapeutic product (LBP) in people receiving antibiotic treatment for bacterial vaginosis (BV). The main question[s] it aims to answer are whether the intervention is safe, and whether the strains of L. crispatus will colonize recipients' vagina. The study will evaluate one LBP with 6 strains of L. crispatus (LC106) and one LBP with 15 strains (LC115) vs. placebo. Participants will: - be treated with oral antibiotics for BV - receive 7 days of vaginal study product - collect daily home swabs and make short daily diary entries for 5 weeks, including the week of antibiotic treatment and the week of study product treatment. Researchers will compare the 3 groups receiving different dosing strategies of LC106 and 1 group receiving LC115 vs. 1 group receiving placebo to see if the live biotherapeutic strains colonize the vagina after antibiotic treatment for BV.
Extrapulmonary TB (EPTB) accounts for nearly 30% of TB cases in HIV endemic settings, such as South Africa. The diagnosis of extrapulmonary TB is complicated by the poor performance of Gene Xpert and TB Culture in extrapulmonary fluid (30-50% sensitive), as well as the poor specificity of ADA. We can therefore not reliably use these tests to diagnose EPTB as effectively as we use them in sputum samples. The current best practice for diagnosing pleural TB is to perform a pleural biopsy, which is both invasive and costly. A rapid, easy to use test is needed to allow accurate and fast diagnosis of EPTB. Interferon-gamma is released at high concentrations in extrapulmonary fluid in active EPTB. Antrum Biotech has developed the IRISA-TB assay (validated and SAHPRA licenced) for the diagnosis of EPTB. The study will assess the real-world performance of IRISA-TB compared to ADA, Gene Xpert, and TB Culture when used to diagnose EPTB. We will evaluate IRISA-TB's performance in the following patient groups: - Suspected TB pleural effusion (n= 650) - Suspected TB pericardial effusion (n= 280) - Suspected TB peritonitis (n= 200) - Suspected TB meningitis (n = 1040) As part of our evaluation, we will ask clinicians who treat these patients to provide their feedback on IRISA-TB. We will ask them to indicate to what extent the IRISA-TB test helped them to make treatment decisions. Finally, we will conduct an economic assessment to determine the true cost of diagnosing and treating EPTB to the health system and patients, and we will determine how IRISA-TB could potentially result in cost savings.
This cohort study plans to investigate associations between the presence of multiple lower genital tract microorganisms in pregnancy and gestational age at birth. The study enrols pregnant women at one public health care facility in East London, South Africa. At enrolment and 30-34 weeks of pregnancy, participants provide swabs for testing for sexually transmitted infections, vaginal yeasts and genital mycoplasmas; for microscopy and Nugent scoring; and for 16S ribosomal ribonucleic acid gene sequencing and quantification. The primary outcome is gestational age at birth. Statistical analyses include: regression modelling to explore associations between specific microorganisms (including microbiota) and gestational age at birth; construction of an index of vaginal inflammation, using data about microorganism load and inflammatory potential; classification and regression tree analysis to examine which combinations of microorganisms contribute to earlier gestational age at birth.
The goal of this observational study is to investigate how adverse experiences during childhood are linked to people experiencing persistent pain and fatigue in adulthood. The questions the investigators aim to answer are: 1. Does participant-reported childhood adversity predict levels of IL-6 and TNF-α after in vitro provocation of whole blood using endotoxin? 2. Do levels of IL-6 and TNF-α after in vitro immune provocation using endotoxin predict vulnerability to persistent pain and fatigue after in vivo immune provocation (tetravalent influenza vaccine)? 3. Do levels of IL-6 and TNF-α after in vitro immune provocation using endotoxin predict vulnerability to persistent pain and fatigue after in vivo neural provocation? For this study, the investigators will recruit and enrol 96 healthy human adults (18 - 65 years old) with a range of adverse experiences during childhood. Participants will attend 2 study sessions during which the investigators will take a sample of blood, assess pressure pain threshold before and after cold water immersion, assess heart rate variability, and assess the surface area of secondary skin hypersensitivity after electrical stimulation. At the end of the first session, participants will receive the influenza vaccination.
This is a multicenter, open-label, intra-subject, dose escalation study to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and therapeutic potential of BCX10013 in participants with paroxysmal nocturnal hemoglobinuria (PNH). Approximately 15 participants will be enrolled in this study. Participants may receive treatment for up to 24 weeks.
This is a phase III, randomized, open-label, multicenter, global study to determine the efficacy and safety of Volrustomig (MEDI5752) + Carboplatin + Pemetrexed vs the investigator's choice of platinum + Pemetrexed or Nivolumab + Ipilimumab in participants with unresectable pleural mesothelioma.
The overall purpose of this observational Post Market Clinical Follow Up (PMCF) study is to ensure continued acceptability of the benefit risk ratio by assessment of safety and performance, in patients undergoing cardiovascular repair or reconstruction surgery under standard clinical care with the commercially available Glycar Pericardial Patch.
MATRIX-001 will examine the safety, PK, modeled PD, and acceptability of inserts containing the combination of TAF and EVG applied vaginally, daily for 3 days, then every other day for 14 days. The inserts are ultimately intended to be the basis of an event-driven, on-demand method for prevention of HIV and HSV sexual infection.