Pearson syndrome
A rare mitochondrial oxidative phosphorylation disorder due to large-scale single deletion of mitochondrial DNA characterized by hyporegenerative anemia in early infancy with vacuolization of bone marrow precursors lactic acidosis and multi-organ dysfunctions such as exocrine pancreatic dysfunction and renal tubulopathy.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Reference: Access aggregated data from Orphanet at Orphadata.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: //www.orphadata.org. Data version September 2023.
Newly diagnosed with
Pearson syndrome?
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.
Advocacy Organizations
The Champ Foundation
The Champ Foundation supports research toward better treatment and a cure for single large-scale mitochondrial deletion syndromes (SLSMDS), like Pearson syndrome.
HypoPARAthyroidism Association, Inc
To improve lives of people impacted by HypoPARAthyroisism through education, support research and advocacy.
Immune Deficiency Foundation
To improve the diagnosis, treatment and quality of life of people affected by primary immunodeficiency.
CureARS
Fund research for 19 mt-aars conditions and provide patient support.
Cure Mito Foundation
Our mission is to empower families to come together with a common goal of finding treatments, and ultimately a cure, for this devastating disease.
United Mitochondrial Disease Foundation (UMDF)
Promoting research and education for the diagnosis, treatment and cure of mitochondrial disorders and to provide support to affected individuals and families. We are driven by a nationwide community of ambassadors solely focused on supporting patients and families affected by mitochondrial disease. We are committed and energized to make a difference by funding the best science in the world.
MitoCanada
MitoCanada's mission is to create a world where all lives are powered by healthy mitochondria. We are dedicated to supporting Canadians living with mitochondrial disease by developing education and awareness programs, advocating to improve the health and quality of life of those living with mito at provincial and federal levels, and we fund research that is patient-focused and transformational.
MitoAction
MitoAction’s mission is to improve the quality of life for children, adults, and families living with mitochondrial disease through support, education, outreach, advocacy, clinical research initiatives and by granting wishes for children affected by mitochondrial disease.
Youth and Women for Opportunities Uganda-YWOU
Youth and Women for Opportunities-YWOU an organization that we represent is patient organization re-presentative, patient and institution and individual capacity builder supporting PLWRD’s to obtain diagnosis, treatment and drugs for those suffering consequences of being undiagnosed or misdiagnosed and lack treatment and those who lack precise diagnosis for rare, orphan and undiagnosed diseases preventing PLWRD’s accessing the most adapted care, treatment or surgery, have delayed access to the most appropriate care, treatment or surgery
Syndromes Without A Name (SWAN) Australia
Provide information, support and advocacy to families caring for a child with an undiagnosed or rare genetic condition.
Care-for-Rare America Inc
To establish a global alliance in order to identify the genetic causes of rare diseases and develop effective treatments, following a three-stage approach: recognize, understand, cure.
Ukrainian Association of Pediatric Immunology
Development of pediatric and clinical immunology in Ukraine. Raising awareness of inborn errors of immunity in Ukraine and rare immune diseases; Advocacy campaigns supporting patients with rare immune diseases and their treatment plans; Scientific research; Sharing knowledge about immunoprophylaxis; Advocacy campaigns supporting immunoprophylaxis.
Accessia Health
Accessia Health pioneered the patient assistance model for people living with chronic medical conditions. We provide financial assistance to pay for prescriptions, medical treatments and expenses, travel and insurance premiums. Our program services include healthcare education, specialized legal services, and case management. We’re leveraging our three decades of our entrepreneurial spirit to expand patient assistance support to serve today’s healthcare consumers. Serving diverse populations is our #1 goal and we seek partners who share our belief that all people deserve to have access to healthcare. Over $1.1 billion has been distributed to patients throughout the country, helping them navigate their way through the complexities of the healthcare system. You can help us do even more.
Help Hope Live
Help Hope Live assists individuals living with catastrophic injuries and illnesses to fundraise toward their medical expenses and related costs.
Mississippi Metabolics Foundation
Mississippi Metabolics Foundation (MMF) was founded to raise awareness, educate, and provide support to those living or caring for someone with genetic metabolic disorders/inborn errors of metabolism (IEM).
Louisiana Metabolic Disorders Coalition
We support, educate, and advocate for patients & families affected by metabolic disorders.
Clinical Trials
For a list of clinical trials in this disease area, please click here.