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An Open-Label Extension to Investigate the Long-Term Safety, Tolerability, and Efficacy of DNL310 in Patients With Mucopolysaccharidosis Type II (MPS II) From Study DNLI-E-0002 or Study DNLI-E-0007

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-503837-23-00
Acronym
DNLI-E-0008
Enrollment
29
Registered
2023-11-06
Start date
2023-12-12
Completion date
Unknown
Last updated
2025-06-24

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

Conditions

Mucopolysaccharidosis Type II [MPS II]

Brief summary

1. Incidence and intensity of treatment emergent adverse events (TEAEs) throughout the treatment period [Time Frame: 5 years] 2. Clinically significant changes in urine total glycosaminoglycan (GAG) concentrations throughout the treatment period [Time Frame: 5 years] 3. Incidence and intensity of infusion related reactions (IRRs) throughout the treatment period [Time Frame: 5 years]

Detailed description

1.Percent change from baseline in CSF HS concentration [Time Frame: 5 years], 2.Change from baseline in the Vineland-3 ABC [Time Frame: 5 years], 3.Change from baseline in the BSID III cognitive raw score [Time Frame: 5 years], 4.Change from baseline in distance walked (meters) in the 6MWT [Time Frame: 5 years], 5.Percent change from baseline in the sum of urine HS and dermatan sulfate concentrations [Time Frame: 5 years], 6.Liver volume within the normal range (normal vs abnormal) as measured by MRI [Time Frame: 5 years], 7.Spleen volume within the normal range (normal vs abnormal) as measured by MRI [Time Frame: 5 years], 8.Improvement in CaGI C Overall MPS II (defined as much improved or a little improved) [Time Frame: 5 years]

Interventions

None listed

Sponsors

Denali Therapeutics Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to 64 Years

Design outcomes

Primary

MeasureTime frame
1. Incidence and intensity of treatment emergent adverse events (TEAEs) throughout the treatment period [Time Frame: 5 years] 2. Clinically significant changes in urine total glycosaminoglycan (GAG) concentrations throughout the treatment period [Time Frame: 5 years] 3. Incidence and intensity of infusion related reactions (IRRs) throughout the treatment period [Time Frame: 5 years]

Secondary

MeasureTime frame
1.Percent change from baseline in CSF HS concentration [Time Frame: 5 years], 2.Change from baseline in the Vineland-3 ABC [Time Frame: 5 years], 3.Change from baseline in the BSID III cognitive raw score [Time Frame: 5 years], 4.Change from baseline in distance walked (meters) in the 6MWT [Time Frame: 5 years], 5.Percent change from baseline in the sum of urine HS and dermatan sulfate concentrations [Time Frame: 5 years], 6.Liver volume within the normal range (normal vs abnormal) as measured by MRI [Time Frame: 5 years], 7.Spleen volume within the normal range (normal vs abnormal) as measured by MRI [Time Frame: 5 years], 8.Improvement in CaGI C Overall MPS II (defined as much improved or a little improved) [Time Frame: 5 years]

Countries

Belgium, Czechia, France, Germany, Italy, Netherlands, Spain, Sweden

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026