All studies are listed by participating rare disease consortium and status. Please click on the Study Name to learn more about a particular study. Information on a study will include: study description, criterion, and locations. For addtional information on a specified disease, click the disease link associated with that study, or return to the RDCRN home page for more information
Please Note: The Rare Diseases Clinical Research Network will make every effort to enroll all the patients we can, but we cannot make any guarantees that we will be able to enroll everyone in a particular study who wants to participate.
In order to participate in an open study, please contact the study coordinator using the contact information provided.
*Note: Each link will take you directly to that consortium's web site.
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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| Recruiting | |||
5202: Prader-Willi Syndrome and Early-onset Morbid Obesity Natural History Clinical Protocol |
Recruiting | Prader-Willi Syndrome | |
| Recruiting | |||
| 5207: Sleep Abnormalities in Rare Genetic Disorders: Angelman Syndrome (AS), Rett Syndrome (RTT), and Prader-Willi Syndrome (PWS) | Recruiting | Rett Syndrome; Prader-Willi Syndrome; Angelman Syndrome |
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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6101: Peripheral Dopamine after Carbidopa Administration in Postural Tachycardia Syndrome |
Recruiting | Postural Orthostatic Tachycardia Syndrome (POTS) | |
| 6102: An Oligo-centered, Randomized, Double-blind, Placebo-controlled Clinical Trial to Assess the Efficacy, Safety, and Tolerability of Rifampicin in Patients with Multiple System Atrophy | Recruiting | Multiple System Atrophy (MSA) | |
| Recruiting | Adults with neurogenic orthostatic hypotension, ≥30 mmHg drop in SBP within 5 minutes of standing. This may include those with Multiple System Atrophy (MSA), Parkinson’s Disease (PD) and Pure Autonomic Failure (PAF). |
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6104: Safety and Efficacy of Intravenous Norepinephrine for Orthostatic Hypotension |
Recruiting | Patients with Parkinson Disease and rthostatic hypotension or with Pure Autonomic Failure (PAF). |
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| 6106 - The phenotype and natural history of primary autonomic disorders | Recruiting |
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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Recruiting |
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Recruiting | Cutaneous Sclerosis | |
| 6503: Targeted Therapy of Bronchiolitis Obliterans Syndrome (BOS) | Recruiting | Bronchiolitis Obliterans Syndrome (BOS) |
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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7301: Natural History of and Genetic Modifiers in Spinocerebellar Ataxias
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Recruiting |
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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6301: Dystonia Coalition Projects
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Recruiting |
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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| 5902: Rare Genetic Disorders of the Airways: Cross-sectional Comparison of Clinical Features, and Development of Novel Screening and Genetic Tests | Recruiting | All Diseases Studied | |
| 5903: Early Onset and Progression of Primary Ciliary Dyskinesia Lung Disease Prior to 10 Years of Age | Recruiting | Primary Ciliary Dyskinesia (PCD) | |
| 5904: Cross Sectional Characterization of Idiopathic Bronchiectasis | Recruiting | Idiopathic Brochiectasis |
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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| 6601: Natural History Evaluation of Charcot Marie Tooth Disease | Recruiting | CMT1B, CMT2A, CMT4A, or CMT4C, | |
| 6602: Genetics of CMT- Modifiers of CMT1A, New Causes of CMT2 | Recruiting | CMT1A, CMT2 | |
| 6603: Development of CMT Peds Scale for Children with CMT | Recruiting | CMT1, CMT2, or CMT4. |
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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6801: The Nephrotic Syndrome Study Network(NEPTUNE)Longitudinal Cohort
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Recruiting |
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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7401: North American Mitochondrial Disease Consortium Patient Registry and Biorespository
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Recruiting |
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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7201: Longitudinal Study of the Porphyrias
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Recruiting | A confirmed diagnosis of a porphyria or have a relative who has been diagnosed with a porphyria |
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| 7204: Clinical Diagnosis of Acute Porphyria | Recruiting | ||
| 7205: Measuring the Effects of Isoniazid Treatment on Erythrocyte and Plasma Protoporphyrin IX Concentration in Patients with Erythropoietic Protoporphyria | Recruiting | Erythropoietic Protoporphyria (EPP) |
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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Recruiting | ||
| 6902: A Retrospective and Cross - Sectional Analysis of Patients Treated for SCID (1968-2010) | Recruiting |
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Study Name: |
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This study is for the following Disease/Disorder: |
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6401: Hereditary Causes of Nephrolithiasis and Kidney Failure |
Recruiting | ||
| 6403: Screening for Dent Disease Mutations in Patients with Proteinuria | Not Yet Recruiting | Click for more information > |
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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7101: Tissue Bank Consortium for Salivary Gland Tumors
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Open, not recruiting patients at this time |
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Study Name: |
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This study is for the following Disease/Disorder: |
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Recruiting | ||
| 7002: Assessment of Sterol Metabolism in Sitosterolemia: A Pilot Study of Patients Treated with Ezetimibe | Recruiting | Sitosterolemia |
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Study Name: |
Status: |
This study is for the following Disease/Disorder: |
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| 5101: Longitudinal Study of Urea Cycle Disorders | Recruiting | ||
| 5107: Investigation of Brain Nitrogen Metabolism in Partial Ornithine Transcarbamylase Deficiency (OTCD) Using 1H MRS, DTI, and fMRI | Recruiting | Ornithine Transcarbamylase Deficiency (OTCD) | |
| 5109: Protocol Oxidative Stress, Inflammation and Acute Decompensation in Urea Cycle Disorders | Open, not recruiting new patients at this time |