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RecruitingNCT07444567ClinicalTrials.gov record

Roll-over Study for Participants Who Have Completed a Previous Clinical Study With Benralizumab (Fasenra) and Benefit From Continued Treatment

Asthma · Eosinophilic Granulomatosis With Polyangiitis (EGPA) · Hypereosinophilic Syndrome (HES)

THE QUICK READ

What this study involves

The registry says this study is recruiting. Individual locations may have different availability.

Study type
Interventional
Phase
Phase 3
Age range
6 years - Not specified
Sex eligible
All sexes
Healthy volunteers
Not accepted
Participants
230 Estimated

These are starting points, not an eligibility decision. The research team must review the full requirements.

About the research

The rationale of the roll-over study (ROSY) is to provide continuous access to study treatment for participants who have completed or exited a parent study and are deemed appropriate for continued benralizumab treatment, as judged by the Investigator, while monitoring long-term safety and tolerability of benralizumab.

Read the full description

This will be an open-label, non-randomised, multicentre, international study for eligible participants who have completed or exited a parent study and are deemed appropriate for continued benralizumab treatment as judged by the Investigator. Any clinical study conducted with benralizumab (Fasenra) for indications such as asthma, EGPA, HES and future indications from additional parent studies, is potentially a parent study.

Each participant continuing to receive clinical benefit from benralizumab but with no access to the drug after exiting the parent study must be seen at the Investigator site, offered the opportunity to transition to the ROSY-F. The duration of clinical benefit from study treatment for an individual participant can exceed the duration of a clinical trial. To ensure continued supply of treatment to a participant who, as judged by the Investigator, is still receiving benefit when he/she either completes or exits the parent study or when the parent study closes, a roll-over study is the most universally acceptable mechanism for continuing to provide ongoing study treatment.

Who may be able to participate?

The list below is the sponsor’s full registry wording. It can include conditions, prior treatment, test results and other requirements. A match in search does not mean you qualify.

Inclusion Criteria:

  • 1\. Provision of signed and dated written ICF.

2\. Participants completing minimum required OLE period of a parent study and judged by the Investigator to benefit from continued treatment.
* 3\. Participants must agree to follow the contraception requirements as per their respective parent protocols from study inclusion up to 12 weeks after the last dose of study treatment.
* 4\. Participants without childbearing potential at enrolment must agree to start appropriate contraception if childbearing potential develops during the study and up to 12 weeks after the last dose of study treatment.
* 5\. Participants who are unable to access commercially available benralizumab and clinically indicated for continuation.

Exclusion Criteria:

  • 1\. Ongoing, unresolved AE requiring interruption of treatment at the end of the prior parent study (ie, when the parent study is either completed or closed) that in the Investigator's opinion would prevent restarting benralizumab.
  • 2\. Participants who are planning to use live/live-attenuated vaccines.
  • 3\. Participants who are planning to use biologic therapies, including B-cell therapies with the exception for the treatment of co-morbidities where no alternative medicine is available.
  • 4\. Participants with any medical condition (such as cancer or viral infections \[hepatitis\]) or psychiatric condition that, in the opinion of the Investigator, could jeopardise or would compromise the participant's ability to participate in this study as determined by the Investigator based on protocol required assessments.
  • 5\. Concurrently enrolled in any clinical study (other than a parent study).
  • 6\. Participants who discontinued the parent study prior to completing the minimum OLE or treatment period.
  • 7\. Local access to commercially available benralizumab.
Understand screening

Treatment, groups and participation

The registry may describe treatments and study duration without a complete visit calendar. Ask the study team for the exact schedule, procedures, risks, costs and alternatives. Keep your usual care plan unless your treating clinician tells you otherwise.

Assignment
Not randomized
Masking
No masking
Benralizumab arm

Benralizumab will be administrated as an subcutaneous injection at a frequency in line with that received in the parent study.

Drug: Benralizumab

Benralizumab DRUG

Accessorized Pre-Filled Syringe (Solution for injection).

Prepare your questions

What researchers are measuring

Outcome measures describe what is being studied. They are not proof that a treatment works.

Primary measures

Safety will be evaluated by monitoring and assessing SAEs and non-serious AEs reported throughout the study and until 8 weeks after the last dose of benralizumab

Time frame: From baseline until 8 weeks after the last dose of benralizumab

To provide benralizumab to participants who continue to benefit at the end of the parent clinical study while monitoring long-term safety and tolerability of benralizumab

No results are flagged as posted.

Review the complete result tables and limitations in the official record.

Open official results ↗

Research locations (46)

The overall study status and a local site’s status can differ. Confirm that location’s availability before traveling.

46 locations

Research SiteAurora, Colorado, United StatesNot yet recruiting
Research SiteBethesda, Maryland, United StatesNot yet recruiting
Research SiteAnn Arbor, Michigan, United StatesNot yet recruiting
Research SiteNorthfield, New Jersey, United StatesNot yet recruiting
Research SiteThe Bronx, New York, United StatesNot yet recruiting
Research SiteDurham, North Carolina, United StatesNot yet recruiting
Research SiteCleveland, Ohio, United StatesNot yet recruiting
Research SiteSalt Lake City, Utah, United StatesNot yet recruiting
Research SiteBuenos Aires, ArgentinaRecruiting
Research SiteFlorida, ArgentinaRecruiting
Research SiteLobos, ArgentinaNot yet recruiting
Research SiteMar del Plata, ArgentinaRecruiting
Research SiteMendoza, ArgentinaRecruiting
Research SiteMendoza, ArgentinaRecruiting
Research SiteRosario, ArgentinaRecruiting
Research SiteSan Juan Bautista, ArgentinaNot yet recruiting
Research SiteInnsbruck, AustriaNot yet recruiting
Research SiteBrussels, BelgiumRecruiting
Research SiteEdegem, BelgiumNot yet recruiting
Research SiteCalgary, Alberta, CanadaNot yet recruiting
Research SiteHamilton, Ontario, CanadaRecruiting
Research SiteToronto, Ontario, CanadaRecruiting
Research SiteToronto, Ontario, CanadaNot yet recruiting
Research SiteToronto, Ontario, CanadaRecruiting
Research SiteBron, FranceNot yet recruiting
Research SiteMarseille, FranceRecruiting
Research SiteMontpellier, FranceRecruiting
Research SiteNantes, FranceRecruiting
Research SiteParis, FranceRecruiting
Research SiteParis, FranceRecruiting
Research SitePessac, FranceRecruiting
Research SiteSuresnes, FranceRecruiting
Research SiteAhmedabad, IndiaWithdrawn
Research SiteAjmer, IndiaNot yet recruiting
Research SiteHaifa, IsraelRecruiting
Research SiteHolon, IsraelNot yet recruiting
Research SitePetah Tikva, IsraelNot yet recruiting
Research SiteRoma, ItalyWithdrawn
Research SiteRotterdam, NetherlandsNot yet recruiting
Research SiteChęciny, PolandNot yet recruiting
Research SiteGdansk, PolandNot yet recruiting
Research SiteLodz, PolandNot yet recruiting
Research SiteLodz, PolandWithdrawn
Research SiteIncheon, South KoreaRecruiting
Research SiteIstanbul, Turkey (Türkiye)Not yet recruiting
Research SiteLondon, United KingdomRecruiting

Study team and timeline

Lead sponsor
AstraZeneca
Study start
Jul 24, 2026 Actual
Primary completion
Dec 27, 2029 Estimated
Study completion
Dec 27, 2029 Estimated
First posted
Mar 3, 2026 Actual
Last updated
Nov 10, 2026 Actual

Official study contacts

AstraZeneca Clinical Study Information CenterCONTACTinformation.center@astrazeneca.com1-877-240-9479
Official study title

ROSY-F: Roll-Over Study for Participants Who Have Completed a Previous Study With Benralizumab (Fasenra) and Are Judged by the Investigator to Clinically Benefit From Continued Treatment

A HUMAN NEXT STEP

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Source: ClinicalTrials.gov API v2. Information is submitted by sponsors and investigators. NLM does not approve the safety or science of all listed studies. Registry disclaimer.

Retrieved: Nov 12, 2026 · Last registry update: Nov 10, 2026