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ADX-N05

Phase 2

Narcolepsy | Small molecule | Other |Jazz Pharmaceuticals plc|Last Updated: Jul 6, 2021

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_CONTROLLED
Total Trials2
Total Enrollment126
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01681121A Study of the Safety and Effectiveness of ADX-N05 for Excessive Daytime Sleepiness in Subjects With NarcolepsyPHASE2 COMPLETED 93Sep 1, 2012Aug 1, 2013May 28, 202128 United States
NCT01485770A Study of the Safety and Effectiveness of ADX-N05 in the Treatment of Excessive Daytime SleepinessPHASE2 COMPLETED 33Dec 1, 2011May 1, 2012Jul 6, 202110 United States
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Study Endpoints
Primary Endpoints
Change From Baseline in the Average Sleep Latency Time (in Minutes) as Determined From the Maintenance of Wakefulness Test (MWT) for ADX-N05 300 mg vs. Placebo at Last Assessment.
Baseline up to Week 12/Last Assessment post-dose.

The MWT is a validated objective measure of the ability to stay awake for a defined period of time. The primary analysis was a comparison of treatments vs. control groups on change from Baseline to last available post-Baseline assessment (Week 12/Last Assessment) in the average sleep latency time (in minutes) averaged across the first four trials of the MWT using a two-sample t-test.

Number of Participants With Improved Clinical Global Impression of Change (CGI-C) Scores for ADX-N05 vs. Placebo at Last Assessment
Week 12

The CGI-C scale rated the change in the participant's condition as compared to the Baseline visit on a 7-point scale ranging from a minimum of "Very much improved" to a maximum of "Very much worse." The proportion of subjects experiencing at least minimal improvement on the CGI-C was calculated and summarized for each of the treatment groups at Week 4 and the last available post-Baseline assessment (Week 12/Last Assessment). The CGI-C scale consists of the following ratings: 1-Very Much improved, 2-Much improved, 3-Minimally improved, 4-No change, 5-Minimally worse, 6-Much worse, 7-Very much worse; a rating of 1 indicates a better outcome, and a rating of 7 indicates a worse outcome. Improvement was defined as a CGI-rating of 1, 2, or 3.

Change From Baseline in the Average Sleep Latency Time (in Minutes) as Determined From the Maintenance of Wakefulness Test (MWT) Following Two Weeks of Treatment With ADX-N05 vs. Two Weeks of Treatment With Placebo
Baseline up to 2 weeks post-dose.

The MWT is a validated objective measure of the ability to stay awake for a defined period of time. The change from baseline in the mean sleep latency from the MWT was the average of sleep latency from the four trials of the MWT.

Secondary Endpoints
Change From Baseline in the Average Sleep Latency Time (in Minutes) as Determined From the Maintenance of Wakefulness Test (MWT) (Average of the First Four Trials) Following Four Weeks of Treatment With ADX-N05 150 mg vs. Placebo
Baseline up to Week 4 post-dose.
Change From Baseline in Sleep Latency Time (in Minutes) as Determined From Each of the 5 Individual MWT Trials for ADX-N05 vs. Placebo at Week 4
Baseline up to Week 4 post-dose.
Change From Baseline in Sleep Latency Time (in Minutes) as Determined From Each of the 5 Individual MWT Trials for ADX-N05 vs. Placebo at Last Assessment
Baseline up to Week 12/Last Assessment post-dose.
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
ADX-N05EXPERIMENTALADX-N05 to be taken once a day for 12 weeks
PlaceboPLACEBO_COMPARATORPlacebo to match ADX-N05 to be taken once a day for 12 weeks
Placebo, Then ADX-N05EXPERIMENTALParticipants first receive a placebo to match ADX-N05 once a day for 2 consecutive weeks (Weeks 1 and 2). They will then receive ADX-N05 150 mg tablet once a day for seven days (Week 3) followed by 300 mg (2 tablets) once a day for seven days (Week 4).
ADX-N05, Then PlaceboPLACEBO_COMPARATORParticipants first receive ADX-N05 150 mg tablet once a day for seven days (Week 1) followed by 300 mg (2 tablets) once a day for seven days (Week 2). They will then receive a placebo to match ADX-N05 once a day for 2 consecutive weeks (Weeks 3 and 4).
Interventions
NameTypeDescription
ADX-N05DRUG150 mg once a day for 4 weeks followed by 300 mg once a day for 8 weeks
PlaceboDRUGOne capsule placebo to match ADX-N05 to be taken for 4 weeks followed by 2 capsules placebo to match ADX-N05 to be taken for 8 weeks
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Eligibility Criteria
Age Range18 Years — 70 Years
SexALL
Healthy VolunteersNo
Study Sites28

Inclusion Criteria: * Diagnosis of narcolepsy * Good general health * Willing and able to comply with the study design and schedule and other requirements Exclusion Criteria: * If female, pregnant or lactating * Customary bedtime later than midnight * History of significant medical condition, beh...

Countries:United States
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