Status:

ENROLLING_BY_INVITATION

An Extension Study of the Long-Term Safety, Tolerability, and Efficacy of Tividenofusp Alfa (DNL310) in Participants With Mucopolysaccharidosis Type II (MPS II) From Study DNLI-E-0002 or Study DNLI-E-0007

Lead Sponsor:

Denali Therapeutics Inc.

Conditions:

Mucopolysaccharidosis II

Eligibility:

All Genders

Up to 18 years

Phase:

PHASE2

PHASE3

Brief Summary

This is a multiregional open-label extension (OLE) to assess the safety, tolerability, and efficacy of long-term treatment with tividenofusp alfa (DNL310), an investigational central nervous system (C...

Eligibility Criteria

Inclusion

  • Key
  • For participants from Study DNLI-E-0002 only: Completed at least through the Week 49 visit in Study DNLI-E-0002 and did not discontinue study intervention early
  • For participants from Study DNLI-E-0007 only: Completed the treatment period of 96 weeks in Cohort A for nMPS II participants and 48 weeks in Cohort B for nnMPS II participants
  • Key

Exclusion

  • Unstable or poorly controlled medical condition(s) or significant medical or psychological comorbidity or comorbidities that, in the opinion of the investigator, would interfere with safe participation in the trial or interpretation of study assessments

Key Trial Info

Start Date :

September 20 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 1 2027

Estimated Enrollment :

99 Patients enrolled

Trial Details

Trial ID

NCT06075537

Start Date

September 20 2023

End Date

June 1 2027

Last Update

December 24 2025

Active Locations (22)

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Page 1 of 6 (22 locations)

1

UCSF Benioff Children's Hospital Oakland

Oakland, California, United States, 94609

2

UNC Children's Research Institute

Chapel Hill, North Carolina, United States, 27599

3

Cincinnati Children's Hospital Medical Center

Cincinnati, Ohio, United States, 45229

4

Children's Hospital of Philadelphia

Philadelphia, Pennsylvania, United States, 19104

An Extension Study of the Long-Term Safety, Tolerability, and Efficacy of Tividenofusp Alfa (DNL310) in Participants With Mucopolysaccharidosis Type II (MPS II) From Study DNLI-E-0002 or Study DNLI-E-0007 | DecenTrialz