Astellas Pharma Inc.
Astellas Pharma Inc. works on 22 rare diseases tracked on Trial Friend, including Adrenocortical Carcinoma, Amyotrophic Lateral Sclerosis, Angelman Syndrome and 19 more, with 12 recruiting clinical trials.
Astellas Pharma is a Japanese multinational pharmaceutical company with dedicated gene therapy division focused on rare diseases of the eye, central nervous system, and neuromuscular systems. The company invests in innovative scientific approaches for genetically defined rare disorders.
Focus areas at Astellas Pharma Inc.
Within its broader pharmaceutical portfolio, Astellas Pharma Inc. has active clinical trial programs and drug development efforts across 22 rare diseases, including Adrenocortical Carcinoma, Amyotrophic Lateral Sclerosis, Angelman Syndrome, Aplastic Anemia, Chronic Graft-versus-Host Disease, and 17 additional rare conditions. These programs may span orphan drug designation, novel therapeutic mechanisms, and precision medicine approaches targeting the underlying causes of each disease.
The clinical trials section below shows all active and recruiting studies sponsored by Astellas Pharma Inc., sourced live from ClinicalTrials.gov. Each trial includes its current recruitment status, study phase (Phase 1 through Phase 4), conditions under investigation, and the number of active trial sites. The FDA-approved drugs section lists treatments that have received U.S. Food and Drug Administration approval, with brand names, generic names, approval dates, and matched rare disease indications from the openFDA database.
Astellas Pharma Inc. is headquartered in Tokyo, Japan, founded in 2005, publicly traded under the ticker symbol 4503. The company maintains a dedicated rare disease division alongside its broader therapeutic portfolio, working to bring innovative treatments to patients with conditions that have historically had limited or no treatment options.
Astellas Pharma Inc. Drug Pipeline
Astellas Pharma Inc. has 12 active clinical trials across 5 development stages, with 12 currently recruiting participants. Clinical trials advance through phases: Phase 1 tests safety in a small group, Phase 2 evaluates effectiveness and side effects, Phase 3 confirms benefit in a larger population, and Phase 4 monitors long-term safety after FDA approval.
Note: This pipeline includes all of Astellas Pharma Inc.'s active interventional trials, not only those targeting rare diseases. We show the full pipeline because a company's broader research activity, therapeutic expertise, and development infrastructure directly shape its ability to advance rare disease programs. A strong overall pipeline often signals deeper clinical operations, faster enrollment capabilities, and greater commitment to bringing new treatments to patients.
Astellas Pharma Inc. Clinical Trials (12)
Active and recruiting clinical trials sponsored by Astellas Pharma Inc., sourced live from ClinicalTrials.gov. Each trial card shows the study phase, current recruitment status, conditions under investigation, study locations, eligibility criteria, and a direct link to the full ClinicalTrials.gov record. You can also download a one-page PDF summary to share with your doctor.
Note: Recruitment statuses on ClinicalTrials.gov may not immediately reflect recent FDA decisions, sponsor announcements, or enrollment changes. Always confirm a trial's current status directly with the study coordinator.
FDA-Approved Drugs
Astellas Pharma Inc. Trial Locations
Astellas Pharma Inc. clinical trials are running at 547 sites in 30 countries. Click any country to drill down by state, city, and individual research facility. Proximity to a trial site is one of the most important factors in deciding whether to participate.
Rare Disease Focus Areas (22)
Diseases targeted by Astellas Pharma Inc.'s clinical trial and drug development programs
Adrenocortical carcinoma is a rare, aggressive cancer of the adrenal cortex, the outer layer of the adrenal glands that sit on top of each kidney. These glands produce essential hormones including cor...
Amyotrophic lateral sclerosis is a progressive neurodegenerative disease destroying motor neurons in the brain and spinal cord. This causes progressive weakness and paralysis of voluntary muscles whil...
Angelman Syndrome is a rare neurological disorder caused by loss of function of the UBE3A gene on the maternal chromosome 15. People with this condition typically develop normal until 6-12 months of a...
Aplastic anemia is a rare bone marrow failure syndrome characterized by pancytopenia resulting from absent or severely reduced hematopoiesis. Approximately half are immune-mediated, while others resul...
Chronic graft-versus-host disease is an immune-mediated complication after allogeneic stem cell or bone marrow transplant, in which donor immune cells attack the recipient's tissues. It can affect the...
Dermatomyositis is a rare autoimmune inflammatory disease causing muscle weakness and distinctive skin rashes, particularly over joints. It involves inflammation of muscles and skin blood vessels. Abo...
Patient Resources
Organizations and resources related to Astellas Pharma Inc.'s rare disease focus areas
Frequently Asked Questions About Astellas Pharma Inc.
Common questions about Astellas Pharma Inc.'s rare disease programs, clinical trials, and treatments.