Takeda submitted 900 patient years Interim Analysis to PRAC and requested study to be closed since primary objective had been fulfilled. PRAC agreed and on 17Sep2020 approved closure of EU-AIR Registry. Takeda announced study closure on 31Oct2020.

As a post-approval requirement of the European Medicines Agency, this European patient post authorization safety study is an observational study being conducted to monitor the safety of long-term treatment with Plenadren and other glucocorticoid replacement therapies in routine clinical practice in patients with chronic adrenal insufficiency (primary or secondary).

Inclusion Criteria:

• Diagnosis of chronic adrenal insufficiency
• Written informed consent/assent in compliance with applicable country-specific and local regulations

Exclusion Criteria:

• Participation in an interventional clinical trial

Patients with chronic adrenal insufficiency (primary or secondary) who are receiving Plenadren or other glucocorticoid replacement therapies at endocrinology centres in certain European countries as part of their routine clinical care. Approximately 20 sites are planned for enrollment.