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rare experience

There’s something to be said for experience, and we’ve got a lot of it. Since 1999, Siren has partnered to launch more orphan drugs than any other marketing agency.

Our clients are redefining healthcare

  • Abbott
  • Aegerion Pharmaceuticals
  • Baxter
  • Biomarin
  • Communispace
  • Endo Pharmaceuticals
  • Genzyme a Sanofi Company
  • GlaxoSmithKline
  • Lundbeck
  • Medtronic
  • NPS Pharmaceuticals
  • Novo Nordisk
  • Patients Like Me
  • QOL Medical
  • Recordati Rare Diseases Group
  • Vidara Therapeutics
  • ViroPharma

Leading the charge against 7,000 rare diseases

  • Cardiovascular
    • Severe familial hypercholesterolemia
  • Endocrinological
    • Hypoparathyroidism
    • Acromegaly
  • Gastrointestinal
    • Short bowel syndrome
    • Congenital sucrase-isomaltase deficiency
    • Exocrine pancreatic insufficiency
  • Hematological
    • Hemophilia A
    • Hemophilia B
    • Anti-inhibitor coagulant complex
    • Factor VII deficiency
    • Acute intermittent porphyria
    • Protein C deficiency
    • Hypovolemia/Hypoalbuminemia
  • Immunological
    • Primary immunodeficiency
    • Chronic granulomatous disease
    • Immune thrombocytopenia
    • Wiskott-Aldrich syndrome (WAS)
    • Common variable immunodeficiency (CVID)
  • Metabolic
    • Morquio syndrome (MPS IVA)
    • Type 1 diabetes
  • Musculoskeletal
    • Duchenne muscular dystrophy (DMD)
  • Neurological
    • Huntington’s disease
    • Leukodystrophies
  • Oncological
    • Bladder cancer
    • Breast cancer
    • Essential thrombocytopenia
    • Myelofibrosis
    • Polycythemia vera
  • Pulmonological
    • Alpha-1 antitrypsin deficiency
    • Idiopathic pulmonary fibrosis
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