Clinical Trials

The purpose of this study is to to investigate if variable phenotypic expression, with the same genotype, could be explained by mtDNA haplotype variations.

The purposes of this study are to determine whether maternal T cells are activated and expand after in utero intervention, and to determine whether placental macrophages and histology in the maternal-fetal interface exhibit increased activation and inflammation in surgical cases born preterm (<37 weeks)="" compared="" to="">

The purpose of this study is to use Whole Exome Sequencing (WES) to identify genetic variants in patients and families who have received care for VACTERL syndrome or congenital malformations at the Mayo Clinic. Additionally, to perform RNA Sequencing and targeted metabolomics analysis to identify alterations in gene expression and metabolites associated with the NAD pathway.

The purpose of this study is to evaluate the safety and tolerability of oral Epalrestat therapy in a child with PMM2-CDG.

The purpose of this study is to collect natural history and treatment-related data of patients diagnosed with congenital disorders of glycosylation.

The purpose of this study is to establish the prevalence and severity of specific morbid indicators of disease severity such as specific organ system involvement, degree of cognitive disability, and case-fatality associated with various congenital disorders of glycosylation (CDG), and establish a dynamic platform to effectively disperse clinically relevant findings to families, non-expert clinicians and researchers, as well as provide a verified method to link these individuals to experts in CDG.

The purpose of this study is to assess the effectiveness and safety of AVTX-803 in subjects with LAD II (SLC35C1-CDG).

The purpose of this study is to evaluate the clinical and metabolic improvement of pediatric subjects with PMM2-CDG who are treated with epalrestat therapy compared to placebo, and to evaluate the safety, clinical improvement, and pharmacokinetics (PK) of epalrestat therapy in pediatric patients with PMM2-CDG compared to placebo when compared to baseline.

The study aims are to develop a consent-based IRB proposal that will enroll newborns who have imperforate anus.  The proposal will include permission for chart review and database information storage, to develop a database that will include MRN, imperforate anus phenotype, information on other congenital malformations, syndromic diagnosis if available, demographic information, and to develop a biobank of DNA and white blood cell samples from infants with imperforate anus. If patients are undergoing a skin biopsy for a medically indicated reason, cells will be requested.

Imperforate Anus, also known as anal atresia, is a rare birth defect.  ...

The purpose of this study is to evaluate the effectiveness of NBI-74788 (100 mg twice daily [bid]), compared with placebo, in reducing daily glucocorticoid dosage while maintaining adrenal androgen control, in reducing adrenal steroid levels following an initial 4-week treatment period, on clinical endpoints associated with supraphysiologic (greater than normal) glucocorticoid dosing, to evaluate plasma concentrations of NBI-74788 and metabolites, and to assess the safety and tolerability of NBI-74788.

The goal of this study is to create a repository of skin fibroblasts from patients with inherited myopathies or suspected inherited myopathies. The study will optimize the development of skeletal muscle cells from patient induced pluripotent stem cells (iPSCs) and to characterize their morphological, biochemical, electrophysiological and molecular properties. The study will also use skin fibroblasts as source of DNA to investigate for research purpose the genetic defect causing the myopathy, and test in future potentially therapeutic drugs in the iPSC-derived muscle cells.

The objective of this study is to evaluate the role of molecular testing to improve newborn screening (NBS) for congenital adrenal Hyperplasia (CAH).

The purpose of this study is to determine if psychosine (PSY) is an indicator of Krabbe disease status and predictor of disease progression.

The purpose of this study is to evaluate the effect of Tildacerfont in reducing androstenedione (hormone, A4) in subjects with Classic Adrenal Hyperplasia (CAH) over approximately 86 weeks.

The purpose of this study is to compare the effectiveness, safety, and tolerability of Chronocort (study drug) with standard of care medication, Immediate-Release Hydrocortisone (IRHC-Cortef) on subjects and their condition (CAH) to find out which is better.

The purpose of this study is to provide all studies that contribute to the Mayo Clinic Adult Congenital Heart Disease (MACHD) Registry with a control cohort, this study will combine all testing needed for each of the studies. 

The purpose of this study is to create a standardized cardiac MRI imaging protocol for patients with Congenital Heart Disease. 

Neonates and infants that have cardiac surgery with cardiopulmonary bypass (CPB) for congenital heart disease are at great risk for experiencing life-threatening low cardiac output syndrome (LCOS) in the first 24 hours after surgery. The poor perfusion and inadequate oxygen delivery that occurs may result in multiple organ failure and death. It is LCOS that is responsible for the majority of early postoperative deaths in this population of neonates and infants. Improved pediatric probes placed in peripheral locations using near infrared spectroscopy (NIRS) may permit continuous monitoring of venous saturations reflecting overall perfusion and oxygen balance in the tissues. Following ...

The purpose of this study is to evaluate the potential of Tildacerfont to reduce glucocorticoid (GC) burden in adult subjects with classic Classic Congenital Adrenal Hyperplasia (CAH) who have lower limit of detection (LLD) ≤ A4 ≤ 1.5 x upper limit of normal (ULN) and are on supraphysiologic doses of GC therapy.

This is a Phase 2 multicenter, single-blind, multiple dose study to evaluate the safety and efficacy of orally administered ATR-101 in subjects with classic congenital adrenal hyperplasia (CAH). Treatment duration will range from a minimum of approximately 2 months to 6 months per subject. A subject may receive a minimum of one dose level or up to a maximum of 5 dose levels, in sequentially increasing dose strengths. Each dose level will last 28 days.

The purpose of this study is to attempt to establish new mast cell lines from patients with systemic mastocytosis using peripheral blood and/or bone marrow.

The purpose of this study is to analyze genome-wide methylation patterns in DNA from patients with suspected hereditary disorders but for whom all previous genetic testing has been negative and/or equivocal.

The objectives of this study are to collect data on survival of pediatric patients with early onset of either GM1 gangliosidosis, GM2 gangliosidoses, or GD2, to collect data that can constitute a historical control group for future clinical trials, and to evaluate whether the 3 conditions can be assessed together in a single clinical trial.

The aim of this research study is to develop and validate several clinical molecular genetic lab tests for the confirmation of biochemical genetic test results.

A prospective, randomised, double-blind, placebo controlled therapeutic study in patients with confirmed diagnosis of NiemannPick disease type C (NPC). The purpose of this study is to assess the efficacy and safety of arimoclomol (compared to placebo) when it is administered as an add-on therapy to the patient's current prescribed best standard of care; patient's standard of care may, or may not, include miglustat.

The purpose of this study is to assess the safety and tolerability of oral monosaccharide (galactose and fucose) treatment in a small pilot group of congenital disorders of glycosylation patients.

The objective of this study is to evaluate the safety and feasibility of autologous mononuclear cells (MNC) collected from bone marrow (BM) delivered into the myocardium of the right ventricle of subjects with Ebstein anomaly undergoing surgical Ebstein repair. Additionally, the potential cardiovascular benefits will also be evaluated. This add-on procedure is anticipated to pose little risk to the subject and has the potential to foster a new strategy that leverages the regenerative capacity of individuals with congenital heart disease during the surgically mandated Ebstein repair.

The purpose of this study is to assess long-term functional outcomes after pollicization.

The objectives of this protocol are to develop and validate clinical assays for inborn errors of metabolism (IEMs) using specimens collected from consenting individuals who have a confirmed diagnosis of an IEM or are a first degree relative of an individual with an IEM and to improve the diagnosis of IEMs by establishing and/or refining disease ranges for each analyte measured and to improve the care of these patients by reducing the number of false positive results and unnecessary follow-up.

The primary purpose of this study is to compare the difference in the ability to detect hemodynamic abnormalities between echocardiographic assessments performed at rest versus exercise. 

The purpose of this study is to validate novel echocardiographic parameters and algorithms to quantitatively evaluate right ventricular function in patients with Hypoplastic Left Heart Syndrome (HLHS) by applying these methods to previously acquired echocardiographic examinations. 

The purpose of this study is to evaluate long-term safety and tolerability data in eligible CLCZ696B2319 (PANORAMA-HF) pediatric patients receiving open-label sacubitril/valsartan.

The purpose of this study is to explore the potential role of NOAC as an alternative therapy in the congenital heart disease population.

The primary aim of this study is to create a streamlined home monitoring process with modern technologies that are both usable and efficient.  The overall objective of this study is to determine whether or not this application helps improve the efficiency of medical care teams while providing care to interstage participants through the use of usability metrics.  Secondarily, this study introduces a prioritization system that estimates the current risk profile of individual patients to help medical care teams better prioritize their weekly workflows.  Although this mobile application is not a mobile medical device according to the definition of the FDA ...

The purpose of this study is to characterize the relationship between NT-proBNP levels obtained at time of admission for delivery and subsequent cardiovascular events in ACHD patients, and to describe normative values for NT-proBNP at time of admission for delivery in an uncomplicated obstetric population.

The primary objective of this study is to determine whether a Mayo-developed, highly miniaturized physiologic monitoring instrument can provide early detection of heart failure (HF) in children with congenital or acquired heart disease at risk for or with evidence of heart failure (HF).

The purpose of this study is to assess neurodevelopmental and psychosocial outcomes (i.e., executive function, social cognition, psychosocial adjustment, adaptive skills) in children with hypoplastic left heart syndrome (HLHS) who underwent right-ventricle-directed delivery of autologous umbilical cord derived mononuclear cells during staged cardiac surgical palliation, and to compare their outcomes to a matched sample of children with HLHS who did not receive autologous umbilical cord derived mononuclear cells during surgery.

The purpose of this study is to test the safety and effectiveness of Covered CP Stents to repair or prevent aortic wall injury associated with Coarctation of the Aorta (CoA). Coarctation of the aorta (CoA) is a congenital abnormality producing obstruction to blood flow through the aorta. Coarctation can occur in isolation, in association with bicuspid aortic valve or with major cardiac malformations. CoA accounts for 5-8% of the 8/1000 (4-6/10,000) children born with congenital heart disease. Most CoA is newly diagnosed in childhood; < 25% recognized beyond 10 yrs. CoA is mostly repaired in childhood by surgery or by ...

The purpose of this initiative is to improve care and outcomes for infants with HLHS by expanding the NPC-QIC national registry to gather clinical care process, outcome, and developmental data on infants with HLHS between diagnosis and 12 months of age, by improving the use of standards into everyday practice across pediatric cardiology centers, and by engaging parents as partners in the process.

The purpose of this study is to determine if vasodilators for the lungs can decrease liver stiffness, shown by Magnetic resonance elastography (MRE).  The study also aims to identify any clinical, laboratory, echocardiographic, imaging, and hemodynamic parameters that connect with improved outcomes of cardiac and liver status after starting the pulmonary vasodilators.

This is a Phase I study to determine the safety and feasibility of injections of autologous umbilical cord blood (UCB) cells into the right ventricle of Hypoplastic Left Heart Syndrome (HLHS) children undergoing a scheduled Glenn surgical procedure. The investigators are doing this research study to find out if autologous stem cells from the individual's own umbilical cord blood can be used to strengthen the muscle of the right side of their heart. This will help determine the safety and feasibility of using cell-based regenerative therapy as an additional treatment for the management of HLHS.

The purpose of this study is to determine the change in health outcomes and cardiac structure and function of subjects with HLHS following successful separation from cardiopulmonary bypass and reversal of anticoagulation at the time of elective Stage II Glenn surgical palliation.

The purpose of this study is to learn more about aspirin exacerbated respiratory disease (AERD) by collecting blood samples from affected patients to study bleeding and clotting function.

The purpose of this study is to determine the optimal medical therapy to improve left ventricular (LV) function. Improvement in LV function has the potential to reduce the burden of heart failure and improve clinical outcomes in the Tetralogy of Fallot (TOF) population.

The purpose of this study is to determine the safety and feasibility of injections of autologous umbilical cord blood (UCB) cells into the right ventricle of Hypoplastic Left Heart Syndrome (HLHS) children undergoing a scheduled Glenn surgical procedure. The investigators are doing this research study to find out if autologous stem cells from the individual's own umbilical cord blood can be used to strengthen the muscle of the right side of their heart. This will help determine the safety and feasibility of using cell-based regenerative therapy as an additional treatment for the management of HLHS.

The purpose of this registry is to collect data and imagery, to study children and adults under the age of 21 who were born with bicuspid aortic valve disease. Some types of bicuspid aortic valves might be more likely associated with greater disease severity such as the degree of stenosis or valve leakage and possible enlargement of the aorta.

The primary purpose of this two-part study is to evaluate the safety and tolerability of VT30.  

Part 1 is a 4-week treatment, open-label, 4-sequence, escalating repeat-application cohort study, with intra-subject and inter-cohort dose escalation.

Part 2 is a 12-week treatment, randomized, placebo-controlled, double-blind, safety and exploratory effectiveness study. Part 2 will be initiated only after the successful completion of Part 1 with results that demonstrate the general safety and tolerability of topically applied VT30. 

The overall objective of this study is to determine whether non-medically trained caregivers can be educated to utilize home monitoring devices paired with our mobile application to collect and store patient-specific information regarding weight, pulse, and oxygen saturation levels for congenital heart disease patients.

To establish a repository of DNA samples collected prospectively from patients with inherited myopathies of unknown molecular and/or biochemical defect. To access residual muscle specimens from diagnostic muscle biopsies obtained as part of the routine medical care. The biospecimens will be used to better understanding the underlying molecular defects and mechanisms of muscle diseases.

The eventual goal of this study is to identify genetic and proteomic markers that may influence susceptibility to vascular diseases including peripheral arterial disease, pulmonary hypertension, carotid artery stenosis, arterial aneurysmal disease, fibromuscular dysplasia, congenital heart disease and other less common diseases that affect the blood vessels.

The eventual goal of this study is to identify genetic and proteomic markers that may influence susceptibility to vascular diseases including peripheral arterial disease, pulmonary hypertension, carotid artery stenosis, arterial aneurysmal disease, fibromuscular dysplasia, congenital heart disease and other less common diseases that affect the blood vessels.

The purpose of this study is to evaluate Patent Foramen Ovale (PFO) closure for migraine headache relief using the GORE® CARDIOFORM Septal Occluder after a trial of oral anticoagulation therapy vs. placebo for a 6 week period.

The purpose of this research is to follow people with adrenal disorders in order to make conclusions about the natural history of a particular adrenal disease as well as effect of various therapies and interventions decided on by you and your medical team. In addition, we will collect biomaterial from you at times you are being evaluated which will be used to discover novel biomarkers which can potentially improve the accuracy of current diagnostic tests and affect the management of patients with adrenal disorders. We will also include a control group (without known adrenal disease) to compare to the volunteers ...

The purpose of this study is to compare the difference in the ability to detect blood flow abnormalities between invasive assessments performed at rest versus exercise.

The purporse of this study is to determine if biomarker assay obtained at baseline can predict future risk of cardiovascular adverse events, and to  determine if temporal changes in biomarker levels can provide a better risk prediction compared to biomarker assay obtained at baseline.

The purpose of this study is to build a National Registry of individuals with one of the group of primary immune deficiency diseases. A "Registry" is a list of basic information about people who have a certain disease or condition in common. These immune deficiency diseases are thought to be rare and include: Severe combined immunodeficiency (SCID), leukocyte adhesion deficiency (LAD), X-linked Agammaglobulinemia (XLA), common variable immune deficiency (CVID), DiGeorge syndrome (DGS), Hyper IgM syndrome (HIGM), Wiskott Aldrich syndrome (WAS) and chronic granulomatous disease (CGD). We would like to contribute data on a number of subjects with these relatively rare ...

The purpose of this study is to assess operative and postoperative outcomes after aortic valve surgery, evaluate for changes in ascending aorta diameter by comparing pre-operative CT imaging to measurements on follow-up imaging, and examine late outcomes and functional status during the follow-up period with specific focus on mortality, need for re-operation and incidence of aortic dissection.