The trial is taking place at:
U

University of California, San Francisco | UCSF Memory and Aging Center

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A Study of Lu AF82422 in Participants With Multiple System Atrophy (AMULET)

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Lundbeck

Status and phase

Active, not recruiting
Phase 2

Conditions

Multiple System Atrophy

Treatments

Drug: Placebo
Drug: Lu AF82422

Study type

Interventional

Funder types

Industry

Identifiers

NCT05104476
18331A

Details and patient eligibility

About

To find out the effect of Lu AF82422 on disease progression in participants with multiple system atrophy.

Full description

This study will consist of a double-blind period (DBP) and will include an optional open-label treatment extension (OLE) period. Participants in the DBP will be randomized to Lu AF82422 or placebo (2:1). All participants entering the OLE will receive Lu AF82422 during the OLE.

Enrollment

64 patients

Sex

All

Ages

40 to 75 years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Key Inclusion Criteria:

  • The participant is diagnosed with possible or probable MSA of the multiple system atrophy parkinsonian type (MSA-P) or multiple system atrophy cerebellar type (MSA-C) sub-type at the Screening Visit.
  • The participant had onset of motor and/or autonomic (orthostatic or urinary) MSA symptoms within 5 years prior to the Screening Visit in the judgement of the investigator.
  • The participant has an UMSARS Part I score ≤16 (omitting item 11 on sexual function) at the Screening Visit.
  • The participant has a cognitive performance evaluated by the Montreal Cognitive Assessment (MoCA) with a score ≥22 at the Screening Visit.

Open-label Extension Entry Criteria

  • The participant has completed the EoT Visit and did not withdraw in the DBP.
  • The participant has consented to participate in the OLE.
  • The participant has completed the DBP within the last 5 months and will be enrolled into the OLE no later than end of Q1 2024.
  • The participant is, in the Investigator's opinion, likely to comply with the protocol.
  • The participant has not received any other Investigational product since the EOoTDBP Visit.

Key Exclusion Criteria:

  • The participant has been treated with an anti-α-synuclein monoclonal antibody, mesenchymal stem cells or an inhibitor of α-synuclein aggregation within the last 12 months.
  • The participant has any past or current treatment with an active vaccine targeting α-synuclein.
  • The participant has 2 or more blood relatives with a history of MSA.
  • The participant has evidence (clinically or on MRI) and/or history of any clinically significant disease or condition other than MSA (for example, serious neurological disorder, other intracranial disease, or systemic disease).
  • The participant has a current diagnosis of movement disorders that could mimic MSA (for example, Parkinson' disease, dementia with Lewy bodies, essential tremor, progressive supranuclear palsy, spinocerebellar ataxia, spastic paraparesis, corticobasal degeneration, or vascular, pharmacological, or post-encephalitic parkinsonism), per investigator discretion.

Other inclusion and exclusion criteria may apply.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

64 participants in 2 patient groups

Lu AF82422
Experimental group
Description:
Participants in the DBP will receive Lu AF82422 intravenous (IV) infusion every 4 weeks (Q4W) from Baseline for a minimum 48 weeks up to a maximum 72 weeks. In the optional OLE, all participants will receive Lu AF82422 IV infusion starting on Day 1 of the OLE up to week 44.
Treatment:
Drug: Lu AF82422
Placebo
Experimental group
Description:
Participants in the DBP will receive Lu AF82422 matching placebo IV infusion Q4W from Baseline for a minimum 48 weeks up to a maximum 72 weeks.
Treatment:
Drug: Placebo

Trial contacts and locations

19

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Data sourced from clinicaltrials.gov

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