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navenibart

Phase 3

Hereditary Angioedema | Small molecule | Immunology |Astria Therapeutics, Inc.|Trials Updated: Jul 30, 2026

navenibart development status

Highest phase Phase 3
Registered trials 4 across 1 sponsor since Jan 2023

navenibart target and mechanism

ModalitySmall molecule

Also known as STAR-0215

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials5
Total Enrollment428

FDA Designations

No designations recorded

navenibart clinical trials

navenibart · 5 trials · 2 indications

Phase 3 2Phase 2 1Phase 1 2
NCT07204938A Long-Term Study of Navenibart in Participants With Hereditary AngioedemaHereditary Angioedema (HAE)
ENROLLING BY_INVITATION145 Analytics
NCT06842823A Study of Navenibart in Participants With Hereditary AngioedemaHereditary Angioedema (HAE)
ACTIVE NOT_RECRUITING157 Analytics
PHASE3ENROLLING BY_INVITATION
A Long-Term Study of Navenibart in Participants With Hereditary Angioedema
Hereditary Angioedema (HAE)Unlock trial analytics
PHASE3ACTIVE NOT_RECRUITING
A Study of Navenibart in Participants With Hereditary Angioedema
Hereditary Angioedema (HAE)Unlock trial analytics

Study Endpoints

Primary Endpoints

Incidence of treatment-emergent adverse events (TEAEs)
Day 1 through Month 48
Number of time-normalized investigator-confirmed HAE attacks during the 6-month Treatment Period.
Day 1 through Day 181
Number of Participants Experiencing Treatment-emergent Adverse Events
Day 1 through study completion, an average of 6 years

Secondary Endpoints

Number of time-normalized investigator-confirmed HAE attacks
Day 1 through Month 48
Number of moderate or severe investigator-confirmed HAE attacks
Day 1 through Month 48
Number of investigator-confirmed HAE attacks that require on-demand treatment
Day 1 through Month 48
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
Adult Dosing Regimen 1EXPERIMENTALParticipants will receive 600 mg of navenibart every 3 months.
Adult Dosing Regimen 2EXPERIMENTALParticipants will receive 300 mg of navenibart every 3 months.
Adult Dosing Regimen 3EXPERIMENTALParticipants will receive 600 mg of navenibart every 6 months.
Adolescent Dosing Regimen 1EXPERIMENTALParticipants will receive 300 mg of navenibart every 3 months.
Adult Navenibart Dosing Regimen 1EXPERIMENTALParticipants will receive 600 mg of navenibart every 3 months.
Adult Navenibart Dosing Regimen 2EXPERIMENTALParticipants will receive 600 mg of navenibart on Day 1 and 300 mg every 3 months starting at month 3.
Adult Navenibart Dosing Regimen 3EXPERIMENTALParticipants will receive 600 mg of navenibart every 6 months.
Placebo (adult)PLACEBO_COMPARATORParticipants will receive placebo every 3 months.
Adolescent Navenibart Dosing Regimen 1EXPERIMENTALParticipants will receive 600 mg of navenibart on Day 1 and 300 mg every 3 months starting at month 3.
Dose Regimen 1 (Arm A): STAR-0215EXPERIMENTALParticipants will receive STAR-0215 every 3 months.
Dose Regimen 2 (Arm B): STAR-0215EXPERIMENTALParticipants will receive STAR-0215 every 6 months.
Dose Regimen 1 (Arm C): STAR-0215EXPERIMENTALSTAR-0215 will be administered as a subcutaneous injection.
Dose Regimen 3 (Arm D): STAR-0215EXPERIMENTALSTAR-0215 will be administered as a subcutaneous injection.
Cohort 1 - Single DoseEXPERIMENTALParticipants received 1 dose (450 milligrams \[mg\]) of navenibart.
Cohort 2 - Multiple DoseEXPERIMENTALParticipants received 2 doses (600 mg, 300 mg) of navenibart administered 3 months apart.
Cohort 3 - Multiple DoseEXPERIMENTALParticipants received 2 doses (600 mg) of navenibart administered 1 month apart.
STAR-0215 Dose 1EXPERIMENTALParticipants will be randomized to receive STAR-0215 or placebo.
STAR-0215 Dose 2EXPERIMENTALParticipants will be randomized to receive STAR-0215 or placebo.
STAR-0215 Dose 3EXPERIMENTALParticipants will be randomized to receive STAR-0215 or placebo.
STAR-0215 Dose 4EXPERIMENTALParticipants will be randomized to receive STAR-0215 or placebo.
STAR-0215 Dose 5EXPERIMENTALParticipants will be randomized to receive STAR-0215 or placebo.

Interventions

NameTypeDescription
navenibartDRUGNavenibart will be administered as a subcutaneous injection.
PlaceboDRUGPlacebo will be administered as a subcutaneous injection.
STAR-0215DRUGSTAR-0215 will be administered as a subcutaneous injection.
STAR-0215 (SC)DRUGSTAR-0215 will be administered as an SC bolus injection.
Placebo (SC)DRUGPlacebo will be administered as an SC bolus injection.
STAR-0215 (IV)DRUGSTAR-0215 will be administered as an IV bolus injection.
Placebo (IV)DRUGPlacebo will be administered as an IV bolus injection.
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Eligibility Criteria

Age Range12 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites40

Inclusion Criteria: 1\. Participants from STAR-0215-301 who met one of the following conditions: 1. Completed STAR-0215-301 through the Day 181 visit 2. Withdrew from STAR-0215-301 but met the following criteria: i. Received 2 doses of IP ii. completed ≥ 2 months of trial follow-up after the seco...

Countries:United StatesBrazilBulgariaCanadaCzechiaFranceGermanyHong KongIsraelItalyJapanNetherlandsNorth MacedoniaPolandPuerto RicoSouth AfricaSpainUnited KingdomAustraliaAustriaHungaryNew ZealandPortugalSouth Korea
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Frequently asked questions about navenibart

What is navenibart?

Navenibart is an investigational therapy being developed for hereditary angioedema (HAE), a condition characterized by recurrent swelling attacks. It is in Phase 3 clinical development and is being studied in both adult and adolescent participants aged 12 years and older. Astria Therapeutics, Inc. (ATXS) is the developer.

What is navenibart used for in hereditary angioedema?

Navenibart is being studied for the treatment of hereditary angioedema (HAE), a disorder involving recurrent episodes of swelling. Clinical trials are enrolling participants with HAE who are 12 years of age and older. It has not been approved for any indication and remains investigational.

Who makes navenibart?

Navenibart is being developed by Astria Therapeutics, Inc., which trades on the Nasdaq under the ticker ATXS. The company is running a Phase 3 program for the drug in hereditary angioedema, including a long-term extension study and a placebo-controlled trial.

What phase is navenibart in?

Navenibart is in Phase 3 clinical development for hereditary angioedema. Two Phase 3 trials are ongoing, one actively enrolling by invitation and one active but not recruiting, following a completed Phase 1 study. It is investigational and has not received FDA approval.

What clinical trials is navenibart in?

Navenibart has been studied in three clinical trials. The Phase 3 trials are NCT07204938, a long-term study enrolling 145 participants, and NCT06842823, a placebo-controlled study with 157 participants. The completed Phase 1 trial is NCT05695248, which enrolled 29 participants.

Is navenibart the same as STAR-0215?

Yes, navenibart is also known as STAR-0215. The completed Phase 1 trial is listed under the name STAR-0215, while the Phase 3 trials use the name navenibart. Both names refer to the same investigational compound being developed by Astria Therapeutics for hereditary angioedema.