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MEDI1341

Phase 1

Parkinson's Disease | Small molecule | Neurology |AstraZeneca PLC|Last Updated: Jun 9, 2022

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 Enrollment75
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04449484Multiple Ascending Dose Study of MEDI1341 in Patients With Parkinson's DiseasePHASE1 COMPLETED 25Aug 4, 2020Jan 5, 2022Jun 3, 20225 United States
NCT03272165Single Ascending Dose Study of MEDI1341 in Healthy VolunteersPHASE1 COMPLETED 50Oct 17, 2017Mar 31, 2021Jun 9, 20222 United States
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Study Endpoints
Primary Endpoints
Adverse Events
28 weeks

Incidence, Nature, Severity and Seriousness of adverse events from screening

Vital Signs
21 weeks

Change from baseline in Blood Pressure measured in millimetres of Mercury

Oral Body Temperature
21 weeks

Change from baseline in body temperature measured in degrees Celcius

Body Weight
21 weeks

Change from baseline measured in Kilograms

Safety Laboratory Tests
21 weeks

Incidence from baseline in abnormal laboratory test results

Electrocardiograms
21 weeks

Change from baseline in ECG rythm

Ophthalmic assessments
21 weeks

Incidence from baseline in abnormal ocular findings

Suicidal Ideation
21 weeks

Evaluation of presence or absence of suicidal ideation as measured by the Columbia Suicide Severity Rating Scale (C-SSRS)

Cognitive impairment
21 weeks

Change from baseline in the total score of the Montreal Cognitive assessment; a 30-point test (the higher the score, the better the cognition)

Suicidal Behaviour
21 weeks

Evaluation of presence or absence of suicidal behaviour as measured by the Columbia Suicide Severity Rating Scale (C-SSRS)

Number of Participants With Treatment Emergent Adverse Events (TEAEs) and Treatment Emergent Serious Adverse Events (TESAEs)
Day 1 through 92 days after a single dose of study drug

An adverse event (AE) is any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. A serious adverse event (SAE) is an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. The TEAEs are defined as events present at baseline that worsened in intensity after administration of study drug or events absent at baseline that emerged after administration of study drug.

Number of Participants With Abnormal Vital Signs, Physical and Neurological Examinations, and Body Weight Measurements Reported as TEAEs
Day 1 through 92 days after a single dose of study drug

Vital signs assessment included body temperature, respiration rate, pulse rate, and blood pressure. Participants with abnormal vital signs, physical and neurological examinations, and body weight measurements reported as TEAEs are reported.

Change from Baseline in 12-Lead Electrocardiogram (ECG) Data in Paper and Digital Recordings (PR Interval, QRS Duration, QT Interval, QTcF Interval, and RR Interval)
12-lead paper ECG: Baseline (Day -49) to Day 92; Digital ECG: Baseline (Day 1) to Day 92

Changes from baseline in 12-Lead ECG data in paper recordings (PR interval, QRS duration, QT interval, and QTcF interval) and digital recordings (PR interval, QRS duration, QT interval, QTcF interval, and RR interval) are reported.

Change from Baseline in Heart Rate by 12-Lead ECG in Paper and Digital Recordings
12-lead paper ECG: Baseline (Day -49) to Day 92; Digital ECG: Baseline (Day 1) to Day 92

Change from baseline in heart rate by 12-Lead ECG in paper and digital recordings are reported.

Number of Participants With Abnormal Laboratory Parameters Reported as TEAEs
Day 1 through 92 days after a single dose of study drug

Laboratory assessment included hematology, clinical chemistry, and urinalysis. Participants with abnormal laboratory parameters reported as TEAEs are reported.

Number of Abnormal Findings for Ophthalmic Assessment (Ophthalmic Examination and Slit-lamp Examination) for Placebo and Cohorts 4 to 6 at Follow-up Visit
Follow-up Visit (Day 57)

Number of abnormal findings for ophthalmic assessment (ophthalmic examination and slit-lamp examination) at follow-up visit (Day 57) are reported.

Intraocular Pressure at Screening for Placebo and Cohorts 4 to 6
Screening (Day -49)

Intraocular pressure at Screening (Day -49) is reported.

Intraocular Pressure at Day 29 for Placebo and Cohorts 4 to 6
Day 29

Intraocular pressure at Day 29 is reported.

Intraocular Pressure at Day 92 for Placebo and Cohorts 4 to 6
Day 92

Intraocular pressure at Day 92 is reported.

Number of Participants With Injection Site Reactions
Day 1

Participants who had injection site reactions (bleeding, bruising, erythema, swelling, or induration) on Day 1 are reported.

Visual Analogue Scale (VAS) Pain Score for Site Reaction Pain
Day 1 (within 24 hours after end of infusion)

The VAS (0 to 10 cm) was used to describe reaction site pain. The score 0 means 'no pain at all' and 10 score means 'worst pain imaginable'. The higher the VAS score, the greater the reaction site pain experienced.

Number of Participants With Suicidal Ideation and Suicidal Behavior Assessed by Columbia Suicide Severity Rating Scale (C-SSRS)
Screening (Day -49) through 92 days after a single dose of study drug

The C-SSRS is a scale capturing occurrence, severity, and frequency of suicide-related thoughts and behaviours, and has a binary response (yes/no). * Suicidal Ideation: a "yes" answer to any one of 5 suicidal ideation questions: wish to be dead, non-specific active suicidal thoughts, active suicidal ideation with any methods (not plan) without intent to act, active suicidal ideation with some intent to act without specific plan, active suicidal ideation with specific plan and intent. * Suicidal Behaviour: a "yes" answer to any of 5 suicidal behaviour questions: preparatory acts or behaviour, aborted attempt, interrupted attempt, actual attempt (non-fatal), completed suicide.

Number of Participants With Montreal Cognitive Assessment (MoCA) Total Score at Screening (Day -1)
Screening (Day -1)

The MoCA is s standardized cognitive screening tool for mild cognitive impairment and dementia. The total score was used as outcome measure and this score ranges from 0-31, with higher scores representing better cognitive ability and scores below 26 were considered as cognitive dysfunction.

Number of Participants With MoCA Total Score at Day 92
Day 92

The MoCA is s standardized cognitive screening tool for mild cognitive impairment and dementia. The total score was used as outcome measure and this score ranges from 0-31, with higher scores representing better cognitive ability and scores below 26 were considered as cognitive dysfunction.

Secondary Endpoints
Maximum Observed Serum Concentration (Cmax) of MEDI1341
Day 1 (predose; 0 minute and 8 and 24 hours at the end of infusion), and Days 4, 8, 15, 22, 29, 43, 57, and 92
Time to Maximum Serum Concentration (tmax) of MEDI1341
Day 1 (predose; 0 minute and 8 and 24 hours at the end of infusion), and Days 4, 8, 15, 22, 29, 43, 57, and 92
Area Under the Serum Concentration-time Curve From Time 0 to the Last Measurable Concentration (AUC0-t) of MEDI1341
Day 1 (predose; 0 minute and 8 and 24 hours at the end of infusion), and Days 4, 8, 15, 22, 29, 43, 57, and 92
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
MEDI1341EXPERIMENTAL3 doses given at 4 week intervals
PlaceboPLACEBO_COMPARATOR3 doses given at 4 week intervals
Cohort 1: MEDI1341 Dose 1EXPERIMENTALParticipants will receive a single IV infusion of MEDI1341 Dose 1 and will be followed up for 13 weeks.
Cohort 2: MEDI1341 Dose 2EXPERIMENTALParticipants will receive a single IV infusion of MEDI1341 Dose 2 and will be followed up for 13 weeks.
Cohort 3: MEDI1341 Dose 3EXPERIMENTALParticipants will receive a single IV infusion of MEDI1341 Dose 3 and will be followed up for 13 weeks.
Cohort 4: MEDI1341 Dose 4EXPERIMENTALParticipants will receive a single IV infusion of MEDI1341 Dose 4 and will be followed up for 13 weeks.
Cohort 5: MEDI1341 Dose 5EXPERIMENTALParticipants will receive a single IV infusion of MEDI1341 Dose 5 and will be followed up for 13 weeks.
Cohort 6: MEDI1341 Dose 6EXPERIMENTALParticipants will receive a single IV infusion of MEDI1341 Dose 6 and will be followed up for 13 weeks.
Interventions
NameTypeDescription
MEDI1341DRUGIntravenous infusion over 60 minutes
PlaceboOTHERIntravenous infusion over 60 minutes
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Eligibility Criteria
Age Range40 Years — 85 Years
SexALL
Healthy VolunteersNo
Study Sites5

Inclusion criteria: 1. Subjects must be aged 40 to 85 years, inclusive, on the day of randomization. 2. Meet criteria for a diagnosis of mild-to-moderate idiopathic PD according to the United Kingdom Parkinson's Disease Society Brain Bank criteria (Hughes et al 1992) 3. PD should be stage 1 to 3 us...

Countries:United States
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