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A Long-term Extension Study of Dazodalibep in Participants With Sjögren's Syndrome (SS)

A Multicenter, Open-Label, Long-term, Extension Study to Evaluate the Safety and Tolerability of Dazodalibep in Participants With Sjögren's Syndrome (SS)

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06747949
Enrollment
844
Registered
2024-12-24
Start date
2025-02-25
Completion date
2029-12-11
Last updated
2026-04-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sjögren's Syndrome

Keywords

Cluster of differentiation 40 (CD40), Dazodalibep, AMG 611

Brief summary

The primary objective of this study is to evaluate the long-term safety and tolerability of dazodalibep.

Interventions

Dazodalibep will be given intravenously (IV).

Sponsors

Amgen
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

Participants are eligible to be included in the study only if all the following criteria apply: * Participant has provided informed consent before initiation of any study specific activities/procedures. * Must have been eligible to receive and have received IP (dazodalibep or placebo) and completed the study (through Week 48) in one of the phase 3 SS dazodalibep studies (HZNP-DAZ-301, or HZNP-DAZ-303). * Must be able to receive Dose 1 of this LTE study at the Week 48 Visit (+28 days) for the prior pivotal phase 3 SS dazodalibep studies (HZNP DAZ-301, or HZNP DAZ-303).

Exclusion criteria

Participants are excluded from the study if any of the following criteria apply: * Clinically significant active infection at Day 1, in the opinion of the Investigator, including ongoing and chronic infection requiring antibiotics or antiviral medication. * Planned participation in another clinical study with an IP or procedure during the LTE study. Other investigational procedures and participation in observational research studies while participating in this study are excluded. * Any condition or change in health status observed or reported during the phase 3 SS studies (HZNP-DAZ-301, or HZNP-DAZ-303) that, in the opinion of the Investigator or the Sponsor, would interfere with evaluation and interpretation of participant safety or alter the risk-benefit associated with IP administration. * Planned surgeries or hospitalizations that, in the opinion of the Investigator or the Sponsor, would interfere with evaluation and interpretation of participant safety. * Individuals who plan to receive live (attenuated) vaccine during the LTE study. * Female participants of childbearing potential unwilling to use protocol-specified method of contraception during treatment and for an additional 12 weeks after the last dose of investigational product. * Female participants who are pregnant or lactating or planning to become pregnant during the study. * Participant has known sensitivity to any of the products or components to be administered during dosing. * Participant likely to not be available to complete all protocol-required study visits or procedures, and/or to comply with all required study procedures to the best of the participant and investigator's knowledge. * History or evidence of any other clinically significant disorder, condition, or disease that, in the opinion of the investigator or Amgen physician, if consulted, would pose a risk to participant safety or interfere with the study evaluation.

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants with Treatment-emergent Adverse Events (TEAEs)Up to 152 weeksIncludes treatment emergent serious adverse events (TESAEs) and adverse events of special interest (AESIs).

Secondary

MeasureTime frame
Number of Participants with Anti-drug Antibodies (ADAs) During the StudyUp to 132 weeks
Plasma Concentration of DazodalibepUp to 132 weeks

Countries

Argentina, Australia, Belgium, Brazil, Canada, Chile, Croatia, France, Germany, Greece, Hungary, Israel, Italy, Japan, Mexico, New Zealand, Peru, Poland, Portugal, Serbia, Slovenia, South Korea, Spain, Taiwan, United Kingdom, United States

Contacts

CONTACTAmgen Call Center
medinfo@amgen.com866-572-6436
STUDY_DIRECTORMD

Amgen

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 29, 2026