Explore rare diseases in clinical trials

Check which rare diseases are currently being frequently studied.

See also our popular diseases glossary and drug database.

Starting by letter

To open the rare diseases glossary, select a letter from the list below.

Rare diseases starting with “v”

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    Vascular malformation

    Vascular malformations are abnormal changes in blood vessels that are usually present from birth, though they may not become visible until childhood or even adulthood. These conditions can affect any blood vessel in the body and range from harmless birthmark-like marks to serious problems requiring treatment.

  • 3

    VEXAS syndrome

    VEXAS syndrome is a rare and serious condition that causes the immune system to attack the body by mistake, leading to widespread inflammation and blood problems. Discovered only in 2020, this condition primarily affects men over 50 and is caused by a genetic mutation that happens during life, not one inherited from parents.

  • 2

    Von Willebrand’s disease

    Von Willebrand’s disease is a lifelong bleeding condition that affects how blood clots, making it harder for bleeding to stop. While there is no cure, most people with this condition can lead active lives with proper care and treatment.