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Mitochondrial Myopathies clinical trials

View clinical trials related to Mitochondrial Myopathies.

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NCT ID: NCT06180421 Recruiting - Clinical trials for PolG, Primary Mitochondrial Myopathy

Mitochondrial Video Assessment Source Material Study

Start date: June 16, 2023
Phase:
Study type: Observational

Source material collection of videos to develop the Mitochondrial Video Assessment (MVA) for patients with mitochondrial myopathies.

NCT ID: NCT06080594 Recruiting - Clinical trials for Mitochondrial Diseases

Exercise-mediated Rescue of Mitochondrial Dysfunctions Driving Insulin Resistance

EX-MITO-DYS-IR
Start date: August 2024
Phase: N/A
Study type: Interventional

The overarching aim of this intervention study is to interrogate the interconnection between the muscle mitochondrial adaptations and the changes in muscle insulin sensitivity elicited by exercise training in individuals harbouring pathogenic mitochondrial DNA mutations associated with an insulin-resistant phenotype. In a within-subject parallel-group longitudinal design, participants will undergo an exercise training intervention with one leg, while the contralateral leg will serve as an inactive control. After the exercise intervention, patients will attend an experimental trial including: - A hyperinsulinemic-euglycemic clamp combined with measurements of femoral artery blood flow and arteriovenous difference of glucose - Muscle biopsy samples

NCT ID: NCT06080581 Recruiting - Clinical trials for Mitochondrial Diseases

Mitochondrial Dysfunctions Driving Insulin Resistance

MITO-DYS-IR
Start date: October 20, 2023
Phase:
Study type: Observational

The overarching aim of this observational study is to characterize muscle mitochondrial defects in individuals harboring pathogenic mitochondrial DNA (mtDNA) mutations associated with an insulin-resistant phenotype. In a case-control design, individuals with pathogenic mtDNA mutations will be compared to controls matched for sex, age, and physical activity level. Participants will attend a screening visit and two experimental trials including: - An oral glucose tolerance test - A hyperinsulinemic-euglycemic clamp combined with measurements of femoral artery blood flow and arteriovenous difference of glucose - Muscle biopsy samples

NCT ID: NCT06080568 Recruiting - Clinical trials for Mitochondrial Diseases

Human Mitochondrial Stress-driven Obesity Resistance

MITO-OB-RES
Start date: October 20, 2023
Phase:
Study type: Observational

The overarching aim of this observational study is to determine alterations in energy balance while exploring the underlying cellular mechanisms in human genetic models of mitochondrial stress. In a case-control design, individuals with pathogenic mitochondrial DNA mutations will be compared to healthy controls matched for sex, age, and physical activity level. Participants will attend a screening visit and an experimental trial including assessments of energy expenditure, appetite sensation, energy intake, and muscle and subcutaneous adipose tissue biopsy samples.

NCT ID: NCT06051448 Recruiting - Clinical trials for Mitochondrial Diseases

Promoting Resilience in Stress Management (PRISM) and Clinical-focused Narrative (CFN) Pilot in Adults With Primary Mitochondrial Disease (PMD).

Start date: September 22, 2023
Phase: Phase 1/Phase 2
Study type: Interventional

The goal of this study is to find the best way to help people with primary mitochondrial disease deal with the stress of their condition, and to help these people be better able to "bounce back," or be resilient. In order to do this, the investigators are going to test two interventions (an intervention means that it aims to change something): Promoting Resilience in Stress Management (PRISM) and clinical-focused narrative (CFN) intervention.

NCT ID: NCT05962333 Recruiting - Clinical trials for Mitochondrial Myopathies

Effect and Safety MABs Administration m.3243A>G Mutation Carriers

Start date: August 1, 2023
Phase: Phase 2
Study type: Interventional

The first primary objective is to assess the effect of three intra-arterial administrations of autologous mesoangioblasts (MABs) with respect to improving muscle strength and reduce fatigue of the treated biceps brachii (BB) compared to the untreated BB. The second primary objective is safety of three intra-arterial administrations of autologous MABs, which the investigators will assess by monitoring (serious) adverse events ((S)AEs), blood flow in left arm pre- and post-intervention, and neurological vital signs during 8h post-intervention observation in the hospital. Secondary objectives are to assess changes in muscle mass of the treated and untreated BB muscle, and microscopic changes and m.3243A>G mutation load at tissue level in treated biceps brachii (BB) muscle at baseline and after treatment. Up to 20 adult m.3243A>G patients will undergo a ~30mg m. biceps brachii muscle biopsy at visit 1. The first six eligible patients will enroll the clinical study based on their m.3243A>G mutation load in skeletal muscle (50-90%) and mesoangioblasts (<10%), and on a decreased BB muscle strength and increased fatigue. These 6 selected patients will visit the Maastricht University Medical Center for 8 additional times. From each patient, during visit 2 till 9: - BB muscle biopsies of the left arm will be collected (1x ~130 mg at visit 2 and 1x ~30mg at visit 9) - MRI of the BB muscles in both arms will be performed (visit 2 and 9). - Autologous MABs will be injected into the left arm via axillary artery delivery. Angiography will be performed before and after infusion to assess vascular obstructions, and the participant will be monitored in the hospital for 8 hours (visit 4,6,8). - Tc99m macroaggregated albumin (MAA) is infused to quantify blood flow to the BB muscle (visit 4). - A bout of maximal eccentric exercise of BB muscles on both sides will be executed at visit 3, 5 and 7. - BB muscle strength will be assessed using a Biodex dynamometer (visit 3-9) - venous blood samples will be taken for assessing muscle damage and inflammation markers (visit 3-9), kidney functioning, coagulation and viral screening (visit 1 and 2).

NCT ID: NCT05653544 Recruiting - Clinical trials for Primary Mitochondrial Myopathies

Natural History in Primary Mitochondrial Myopathies

NHPMM
Start date: January 1, 2023
Phase:
Study type: Observational [Patient Registry]

This is a longitudinal study in a cohort of patients with a genetic diagnosis of Primary Mitochondrial Myopathy to describe the natural history of the disease and identify clinical, biochemical, molecular, and radiological variables that allow evaluation of the severity and progression of the disease and may be useful in future clinical trials.

NCT ID: NCT05590468 Recruiting - Clinical trials for Mitochondrial Myopathy

A Study to Evaluate Vitamin B3 Derivative to Treat Mitochondrial Myopathy

Start date: May 26, 2023
Phase: Phase 2
Study type: Interventional

The purpose of this study is to determine the effects of Nicotinamide Riboside (NR) supplement in adult-onset symptoms of mitochondrial myopathy.

NCT ID: NCT05569122 Recruiting - Clinical trials for Mitochondrial Diseases

Applying pGz in Mitochondrial Disease

Start date: March 22, 2023
Phase: Phase 1
Study type: Interventional

This is a multi-aim study, studying the effects of conventional exercise (measured through Cardiopulomary Exercises Testing or an in-bed pedal exercise) and passive exercise through periodic acceleration (pGz). Aim 1 will focus on the differences between primary mitochondrial disease (PMD) patients and healthy volunteers. Aim 2 is an exploratory aim, which will be studying the effects in patients admitted to the Children's Hospital of Philadelphia Pediatric Intensive Care Unit (PICU).

NCT ID: NCT05554835 Recruiting - MDS Clinical Trials

Global Registry and Natural History Study for Mitochondrial Disorders

Start date: February 1, 2009
Phase:
Study type: Observational [Patient Registry]

The main goal of the project is provision of a global registry for mitochondrial disorders to harmonize previous national registries, enable world-wide participation and facilitate natural history studies, definition of outcome measures and conduction of clinical trials.