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Clinical trials

Rare Diseases trials in the United States with unknown status

Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.

Filters: Condition: Rare Diseases Status: Unknown status Country / region: United States Clear all

35 trials match Source: ClinicalTrials.gov registrations

Trials started per year

By phase, 2000 to 2026.

Trials started per year
CategoryTrials
20004
20012
20101
20191

Status

Trials by registry status. Select a bar to filter.

Trials by status
CategoryTrials
Unknown status35

Top lead sponsors

A sponsor with a page on Pharma Observatory links to it.

Top lead sponsors
CategoryTrials
National Center for Research Resources (NCRR)26
Fairview University Medical Center3
Northwestern Memorial Hospital2
Cystinosis Research Foundation1
Dana-Farber Cancer Institute1
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)1
REGENXBIO Inc.1

Top conditions

MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.

Top conditions
CategoryTrials
Rare Diseases35
Genetic Diseases, Inborn9
Communicable Diseases6
Immune System Diseases6
Respiratory Tract Diseases6
Arthritis5
Connective Tissue Diseases5
Endocrine System Diseases5
Hematologic Diseases5
Mental Disorders5

Trials

Showing 1 to 25 of 35. Each trial links to its page on Pharma Observatory.

Recently changed trials

Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.

No changes to these trials in the last 7 days.

Go deeper on Pharma Observatory

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