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Zilucoplan

Phase 2

Amyotrophic Lateral Sclerosis | Small molecule | Neurology |Merit Medical Systems, Inc.|Last Updated: May 14, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment1,662
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04436497HEALEY ALS Platform Trial - Regimen A ZilucoplanPHASE2 COMPLETED 162Jul 29, 2020May 4, 2022Jul 25, 20231 United States
NCT04297683HEALEY ALS Platform Trial - Master ProtocolPHASE2 RECRUITING 1,500Jun 14, 2020Aug 1, 2028May 14, 202678 United States
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Study Endpoints
Primary Endpoints
Disease Progression as Assessed by the ALSFRS-R Total Score
Baseline through 24 Weeks

Change in disease severity as measured by the ALS Functional Rating Scale-Revised (ALSFRS-R) total score using a Bayesian repeated measures model that accounts for loss to follow-up due to mortality. Each of 12 questions assessing distinct functional ability is scored from 4 (normal) to 0 (no ability), with a maximum total score of 48 and a minimum total score of 0. Patients with higher scores have more physical function.

Mortality Event Rate
Baseline through 24 Weeks

Mortality is defined as death or death equivalent. A participant is determined to meet the criteria of death equivalent if permanent assisted ventilation (PAV) is used for more than 22 hours per day for more than seven days in a row. The rate of mortality was estimated from a Bayesian shared-parametric model that assumed exponentially distributed survival times.

Disease Progression
36 Weeks

Change in disease severity as measured by the ALS Functional Rating Scale-Revised (ALSFRS-R) total score and survival.

Secondary Endpoints
Respiratory Function
Baseline and 24 Weeks
Muscle Strength
Baseline and 24 Weeks
Number of Participants That Experienced Death or Death Equivalent
Baseline through 24 Weeks
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
ZilucoplanEXPERIMENTALDrug: Zilucoplan Administration: Subcutaneous injection Dosage: 0.3mg/kg administered daily
Matching PlaceboPLACEBO_COMPARATORAdministration: Subcutaneous injection Dosage: Daily subcutaneous injection
Regimen A - ZilucoplanEXPERIMENTALParticipants are randomized to receive either active zilucoplan or matching placebo. NO LONGER RECRUITING; RESULTS REPORTED.
Regimen B - VerdiperstatEXPERIMENTALParticipants are randomized to receive either active verdiperstat or matching placebo. NO LONGER RECRUITING; RESULTS REPORTED.
Regimen C - CNM-Au8EXPERIMENTALParticipants are randomized to receive either active CNM-Au8 or matching placebo. NO LONGER RECRUITING; RESULTS REPORTED.
Regimen D - PridopidineEXPERIMENTALParticipants are randomized to receive either active Pridopidine or matching placebo. NO LONGER RECRUITING; RESULTS REPORTED.
Regimen E - SLS-005 TrehaloseEXPERIMENTALParticipants are randomized to receive either active SLS-005 Trehalose or matching placebo. NO LONGER RECRUITING; RESULTS REPORTED.
Regimen F- ABBV-CLS-7262EXPERIMENTALParticipants are randomized to receive either active ABBV-CLS-7262 or matching placebo. NO LONGER RECRUITING; RESULTS REPORTED.
Regimen G - DNL343EXPERIMENTALParticipants are randomized to receive either active DNL343 or matching placebo. NO LONGER RECRUITING; RESULTS REPORTED.
Regimen I - NUZ-001EXPERIMENTALParticipants are randomized to receive either active NUZ-001 or matching placebo.
Interventions
NameTypeDescription
ZilucoplanDRUGDrug: Zilucoplan Administration: Subcutaneous injection Dosage: 0.3mg/kg administered daily
Matching PlaceboDRUGDrug: Matching Placebo Administration: Subcutaneous injection Dosage: Daily subcutaneous injection
VerdiperstatDRUGDrug: Verdiperstat Administration: Oral Dose: 600mg twice daily
CNM-Au8DRUGDrug: CNM-Au8 Administration: Oral Dose: 30 mg or 60 mg daily
PridopidineDRUGDrug: Pridopidine Administration: Oral Dose: 45mg twice daily
SLS-005 TrehaloseDRUGDrug: SLS-005 Trehalose Administration: Infusion Dose: 0.75 g/kg weekly
ABBV-CLS-7262DRUGDrug: ABBV-CLS-7162 Administration: Oral Dose: Dose 1 or Dose 2
DNL343DRUGDrug: DNL343 Administration: Oral Dose: Once per day
NUZ-001DRUGDrug: NUZ-001. Administration: Oral. Dose: Once per day.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * The following inclusion criterion is in addition to the inclusion criteria specified in the Master Protocol (NCT NCT04297683). 1. Vaccination with a quadrivalent meningococcal vaccine and meningococcal serotype B vaccine at least 14 days prior to the first dose of study dru...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 24, 2026NCT04297683studyFirstPostDate: changed