A Long-term Study of STAR-0215 in Participants With Hereditary Angioedema

Participation Requirements

• Sex:

  ALL

• Eligible Ages:

  18 and up

Participation Criteria

Inclusion Criteria:

* Open to participants from STAR-0215-201 (NCT05695248) who have met one of the following conditions:

* Completed STAR-0215-201 (follow up through 6 months after their last dose);
* Eligible for STAR-0215-201 and entered the Run-In period but did not qualify for the Treatment Period because they did not meet the criterion for the minimum number of HAE attacks;
* Eligible for STAR-0215-201 and entered the Run-In period but did not complete it for reasons other than not meeting the criterion for the minimum number of HAE attacks (eligibility requires consultation with the Medical Monitor); or
* Discontinued STAR-0215-201 (for reasons other than safety) after having completed at least 84 days of trial follow-up since their last dose of STAR-0215 (eligibility requires consultation with the Medical Monitor).
* Open to participants who are STAR-0215 naïve and were not enrolled in STAR-0215-201 (NCT05695248), have a documented diagnosis of HAE (Type 1 or Type 2).

Exclusion Criteria:

* Any concomitant diagnosis of another form of chronic angioedema, such as acquired C1 inhibitor deficiency, HAE with normal C1-esterase inhibitor protein (also known as HAE Type III), idiopathic angioedema, or angioedema associated with urticaria.
* Any exposure to angiotensin-converting enzyme inhibitors or any estrogen-containing medications with systemic absorption (such as hormonal contraceptives or hormone replacement therapy) within 28 days prior to Screening
* Any exposure to androgens (for example, stanozolol, danazol, oxandrolone, methyltestosterone, testosterone) within 7 days prior to Screening.
* Use of therapies prescribed for the prevention of HAE attacks prior to Screening:

* lanadelumab within 90 days
* berotralstat within 21 days
* all other prophylactic therapies, discuss with the Medical Monitor

Note: Other inclusion and exclusion criteria may apply.