Safety, Tolerability, and Pharmacokinetic Study of EVP-6124 in Patients With Alzheimer's Disease

This study has been completed.
Sponsor:
Collaborator:
INC Research
Information provided by (Responsible Party):
EnVivo Pharmaceuticals, Inc.
ClinicalTrials.gov Identifier:
NCT00766363
First received: October 1, 2008
Last updated: April 18, 2012
Last verified: April 2012
Results First Received: June 16, 2011  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Safety Study;   Intervention Model: Parallel Assignment;   Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor);   Primary Purpose: Treatment
Conditions: Alzheimer's Disease
Central Nervous System Diseases
Interventions: Drug: EVP-6124 (0.1 mg/day)
Drug: EVP-6124 (0.3 mg/day)
Drug: EVP-6124 (1.0 mg/day)
Drug: Comparator: Placebo
Drug: Donepezil
Drug: Rivastigmine

  Participant Flow
  Hide Participant Flow

Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
The recruitment period was from September 2008 to February 2009 at 4 study centers in the US (CA, FL, and 2 in NJ).

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
61 subjects were screened and 49 subjects were enrolled.

Reporting Groups
  Description
EVP-6124 (0.1 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (0.3 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (1.0 mg/Day) 1 capsule per day for 28 days.
Placebo 1 capsule per day for 28 days.

Participant Flow:   Overall Study
    EVP-6124 (0.1 mg/Day)     EVP-6124 (0.3 mg/Day)     EVP-6124 (1.0 mg/Day)     Placebo  
STARTED     12     13     12 [1]   12 [1]
SAFETY POPULATION     12     13     11 [2]   13 [3]
PK POPULATION     12     13     10     13  
COMPLETED     11     12     12     12  
NOT COMPLETED     1     1     0     0  
Withdrawal by Subject                 1                 0                 0                 0  
Adverse Event Prior to Randomization                 0                 1                 0                 0  
[1] Number randomized.
[2] Decreased by one subject who took placebo instead due to treatment assignment error.
[3] Increased by one subject who took placebo due to treatment assignment error.



  Baseline Characteristics
  Hide Baseline Characteristics

Reporting Groups
  Description
EVP-6124 (0.1 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (0.3 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (1.0 mg/Day) 1 capsule per day for 28 days.
Placebo 1 capsule per day for 28 days.
Total Total of all reporting groups

Baseline Measures
    EVP-6124 (0.1 mg/Day)     EVP-6124 (0.3 mg/Day)     EVP-6124 (1.0 mg/Day)     Placebo     Total  
Number of Participants  
[units: participants]
  12     13     11     13     49  
Age  
[units: participants]
         
<=18 years     0     0     0     0     0  
Between 18 and 65 years     5     5     4     4     18  
>=65 years     7     8     7     9     31  
Age  
[units: years]
Mean ± Standard Deviation
  68.6  ± 8.5     68.3  ± 11.1     70.2  ± 12.3     72.0  ± 10.5     69.8  ± 10.4  
Gender  
[units: participants]
         
Female     8     7     6     8     29  
Male     4     6     5     5     20  
Region of Enrollment  
[units: participants]
         
United States     12     13     11     13     49  



  Outcome Measures
  Hide All Outcome Measures

1.  Primary:   Safety and Tolerability of Multiple Doses of EVP-6124 or Placebo in Subjects With Alzheimer’s Disease   [ Time Frame: Pre-treatment (Day -2) [or screening for physical examination] to Day 28 [or Day 35, for AEs only] ]

Measure Type Primary
Measure Title Safety and Tolerability of Multiple Doses of EVP-6124 or Placebo in Subjects With Alzheimer’s Disease
Measure Description All adverse experiences spontaneously reported by subject and/or observed by investigator and repeated clinical evaluation of physical examinations, vital signs, 12-lead ECG (electrocardiogram), ambulatory ECG, and laboratory tests (hematology/blood chemistry/urinalysis)
Time Frame Pre-treatment (Day -2) [or screening for physical examination] to Day 28 [or Day 35, for AEs only]  
Safety Issue Yes  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Safety Population: All randomized subjects who ingested at least 1 dose of study drug.

Reporting Groups
  Description
EVP-6124 (0.1 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (0.3 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (1.0 mg/Day) 1 capsule per day for 28 days.
Placebo 1 capsule per day for 28 days.

Measured Values
    EVP-6124 (0.1 mg/Day)     EVP-6124 (0.3 mg/Day)     EVP-6124 (1.0 mg/Day)     Placebo  
Number of Participants Analyzed  
[units: participants]
  12     13     11     13  
Safety and Tolerability of Multiple Doses of EVP-6124 or Placebo in Subjects With Alzheimer’s Disease  
[units: Participants]
       
Serious Adverse Events     0     0     0     0  
Non-Serious Adverse Events     2     3     4     4  
No Adverse Events Reported     10     10     7     9  

No statistical analysis provided for Safety and Tolerability of Multiple Doses of EVP-6124 or Placebo in Subjects With Alzheimer’s Disease



2.  Secondary:   EVP-6124 PK Data Following the First Dose of EVP-6124 – Maximum Concentration (Cmax)   [ Time Frame: 24 hours ]

Measure Type Secondary
Measure Title EVP-6124 PK Data Following the First Dose of EVP-6124 – Maximum Concentration (Cmax)
Measure Description EVP-6124 PK data; Maximum Concentration (Cmax); i.e, highest concentration of drug in plasma
Time Frame 24 hours  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
PK Population: All safety population subjects who had sufficient plasma concentration data to facilitate calculation of PK parameters.

Reporting Groups
  Description
EVP-6124 (0.1 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (0.3 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (1.0 mg/Day) 1 capsule per day for 28 days.

Measured Values
    EVP-6124 (0.1 mg/Day)     EVP-6124 (0.3 mg/Day)     EVP-6124 (1.0 mg/Day)  
Number of Participants Analyzed  
[units: participants]
  12     13     10  
EVP-6124 PK Data Following the First Dose of EVP-6124 – Maximum Concentration (Cmax)  
[units: ng/mL]
Mean ± Standard Deviation
  0.0715  ± 0.0121     0.1911  ± 0.0740     0.6122  ± 0.1235  

No statistical analysis provided for EVP-6124 PK Data Following the First Dose of EVP-6124 – Maximum Concentration (Cmax)



3.  Secondary:   EVP-6124 PK Data Following the First Dose of EVP-6124 – Time to Maximum Concentration (Tmax)   [ Time Frame: 24 hours ]

Measure Type Secondary
Measure Title EVP-6124 PK Data Following the First Dose of EVP-6124 – Time to Maximum Concentration (Tmax)
Measure Description EVP-6124 PK data; Time to Maximum Concentration (Tmax); i.e, amount of time required to reach highest concentration of drug in plasma
Time Frame 24 hours  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
PK Population: All safety population subjects who had sufficient plasma concentration data to facilitate calculation of PK parameters.

Reporting Groups
  Description
EVP-6124 (0.1 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (0.3 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (1.0 mg/Day) 1 capsule per day for 28 days.

Measured Values
    EVP-6124 (0.1 mg/Day)     EVP-6124 (0.3 mg/Day)     EVP-6124 (1.0 mg/Day)  
Number of Participants Analyzed  
[units: participants]
  12     13     10  
EVP-6124 PK Data Following the First Dose of EVP-6124 – Time to Maximum Concentration (Tmax)  
[units: hours]
Mean ± Standard Deviation
  7.70  ± 3.31     7.94  ± 3.61     10.72  ± 6.69  

No statistical analysis provided for EVP-6124 PK Data Following the First Dose of EVP-6124 – Time to Maximum Concentration (Tmax)



4.  Secondary:   EVP-6124 PK Data Following the First Dose of EVP-6124 – Area Under the Curve (AUC[0-24 h])   [ Time Frame: 24 hours ]

Measure Type Secondary
Measure Title EVP-6124 PK Data Following the First Dose of EVP-6124 – Area Under the Curve (AUC[0-24 h])
Measure Description EVP-6124 PK data; Area Under the Curve (AUC[0-24 h]); i.e, area under the concentration-time plot
Time Frame 24 hours  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
PK Population: All safety population subjects who had sufficient plasma concentration data to facilitate calculation of PK parameters.

Reporting Groups
  Description
EVP-6124 (0.1 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (0.3 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (1.0 mg/Day) 1 capsule per day for 28 days.

Measured Values
    EVP-6124 (0.1 mg/Day)     EVP-6124 (0.3 mg/Day)     EVP-6124 (1.0 mg/Day)  
Number of Participants Analyzed  
[units: participants]
  12     11     7  
EVP-6124 PK Data Following the First Dose of EVP-6124 – Area Under the Curve (AUC[0-24 h])  
[units: h*ng/mL]
Mean ± Standard Deviation
  1.31  ± 0.23     3.89  ± 0.84     11.44  ± 2.24  

No statistical analysis provided for EVP-6124 PK Data Following the First Dose of EVP-6124 – Area Under the Curve (AUC[0-24 h])



5.  Secondary:   Donepezil PK Data Following the First Dose of EVP-6124 – Maximum Concentration (Cmax)   [ Time Frame: 24 hours ]

Measure Type Secondary
Measure Title Donepezil PK Data Following the First Dose of EVP-6124 – Maximum Concentration (Cmax)
Measure Description Donepezil PK data; Maximum Concentration (Cmax); i.e, highest concentration of donepezil (parent compound only) in plasma after dosing with EVP-6124
Time Frame 24 hours  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
PK Population: All safety population subjects who had sufficient plasma concentration data to facilitate calculation of PK parameters.

Reporting Groups
  Description
EVP-6124 (0.1 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (0.3 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (1.0 mg/Day) 1 capsule per day for 28 days.
Placebo 1 capsule per day for 28 days.

Measured Values
    EVP-6124 (0.1 mg/Day)     EVP-6124 (0.3 mg/Day)     EVP-6124 (1.0 mg/Day)     Placebo  
Number of Participants Analyzed  
[units: participants]
  10     13     7     13  
Donepezil PK Data Following the First Dose of EVP-6124 – Maximum Concentration (Cmax)  
[units: ng/mL]
Mean ± Standard Deviation
  29.5  ± 15.8     24.7  ± 19.8     39.2  ± 26.7     41.9  ± 19.7  

No statistical analysis provided for Donepezil PK Data Following the First Dose of EVP-6124 – Maximum Concentration (Cmax)



6.  Secondary:   Donepezil PK Data Following the First Dose of EVP-6124 – Time to Maximum Concentration (Tmax)   [ Time Frame: 24 hours ]

Measure Type Secondary
Measure Title Donepezil PK Data Following the First Dose of EVP-6124 – Time to Maximum Concentration (Tmax)
Measure Description Donepezil PK data; Time to Maximum Concentration (Tmax); i.e, amount of time required to reach highest concentration of donepezil (parent compound only) in plasma after dosing with EVP-6124
Time Frame 24 hours  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
PK Population: All safety population subjects who had sufficient plasma concentration data to facilitate calculation of PK parameters.

Reporting Groups
  Description
EVP-6124 (0.1 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (0.3 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (1.0 mg/Day) 1 capsule per day for 28 days.
Placebo 1 capsule per day for 28 days.

Measured Values
    EVP-6124 (0.1 mg/Day)     EVP-6124 (0.3 mg/Day)     EVP-6124 (1.0 mg/Day)     Placebo  
Number of Participants Analyzed  
[units: participants]
  10     12     7     13  
Donepezil PK Data Following the First Dose of EVP-6124 – Time to Maximum Concentration (Tmax)  
[units: hours]
Mean ± Standard Deviation
  2.30  ± 2.65     1.85  ± 2.15     3.31  ± 3.01     3.56  ± 4.02  

No statistical analysis provided for Donepezil PK Data Following the First Dose of EVP-6124 – Time to Maximum Concentration (Tmax)



7.  Secondary:   Donepezil PK Data Following the First Dose of EVP-6124 – Area Under the Curve (AUC[0-24 h])   [ Time Frame: 24 hours ]

Measure Type Secondary
Measure Title Donepezil PK Data Following the First Dose of EVP-6124 – Area Under the Curve (AUC[0-24 h])
Measure Description Donepezil PK data; Area Under the Curve (AUC[0-24 h]); i.e, area under the concentration-time plot for donepezil (parent compound only) after dosing with EVP-6124
Time Frame 24 hours  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
PK Population: All safety population subjects who had sufficient plasma concentration data to facilitate calculation of PK parameters.

Reporting Groups
  Description
EVP-6124 (0.1 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (0.3 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (1.0 mg/Day) 1 capsule per day for 28 days.
Placebo 1 capsule per day for 28 days.

Measured Values
    EVP-6124 (0.1 mg/Day)     EVP-6124 (0.3 mg/Day)     EVP-6124 (1.0 mg/Day)     Placebo  
Number of Participants Analyzed  
[units: participants]
  10     13     7     13  
Donepezil PK Data Following the First Dose of EVP-6124 – Area Under the Curve (AUC[0-24 h])  
[units: h*ng/mL]
Mean ± Standard Deviation
  299  ± 179     240  ± 194     345  ± 225     427  ± 233  

No statistical analysis provided for Donepezil PK Data Following the First Dose of EVP-6124 – Area Under the Curve (AUC[0-24 h])



8.  Secondary:   Rivastigmine PK Data Following the First Dose of EVP-6124 - Maximum Concentration (Cmax)   [ Time Frame: 24 hours ]

Measure Type Secondary
Measure Title Rivastigmine PK Data Following the First Dose of EVP-6124 - Maximum Concentration (Cmax)
Measure Description Rivastigmine PK data; Maximum Concentration (Cmax); i.e, highest concentration of rivastigmine in plasma after dosing with EVP-6124
Time Frame 24 hours  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
PK Population: All safety population subjects who had sufficient plasma concentration data to facilitate calculation of PK parameters. Only 4 subjects took rivastigmine concomitantly.

Reporting Groups
  Description
EVP-6124 (0.1 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (1.0 mg/Day) 1 capsule per day for 28 days.

Measured Values
    EVP-6124 (0.1 mg/Day)     EVP-6124 (1.0 mg/Day)  
Number of Participants Analyzed  
[units: participants]
  2     2  
Rivastigmine PK Data Following the First Dose of EVP-6124 - Maximum Concentration (Cmax)  
[units: ng/mL]
Mean ± Standard Deviation
  23.35  ± 5.16     3.51  ± 0.37  

No statistical analysis provided for Rivastigmine PK Data Following the First Dose of EVP-6124 - Maximum Concentration (Cmax)



9.  Secondary:   Rivastigmine PK Data Following the First Dose of EVP-6124 - Time to Maximum Concentration (Tmax)   [ Time Frame: 24 hours ]

Measure Type Secondary
Measure Title Rivastigmine PK Data Following the First Dose of EVP-6124 - Time to Maximum Concentration (Tmax)
Measure Description Rivastigmine PK data; Time to Maximum Concentration (Tmax); i.e, amount of time required to reach highest concentration of rivastigmine in plasma after dosing with EVP-6124
Time Frame 24 hours  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
PK Population: All safety population subjects who had sufficient plasma concentration data to facilitate calculation of PK parameters. Only 4 subjects took rivastigmine concomitantly.

Reporting Groups
  Description
EVP-6124 (0.1 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (1.0 mg/Day) 1 capsule per day for 28 days.

Measured Values
    EVP-6124 (0.1 mg/Day)     EVP-6124 (1.0 mg/Day)  
Number of Participants Analyzed  
[units: participants]
  2     2  
Rivastigmine PK Data Following the First Dose of EVP-6124 - Time to Maximum Concentration (Tmax)  
[units: hours]
Mean ± Standard Deviation
  1.00  ± 0.02     12.12  ± 15.72  

No statistical analysis provided for Rivastigmine PK Data Following the First Dose of EVP-6124 - Time to Maximum Concentration (Tmax)



10.  Secondary:   Rivastigmine PK Data Following the First Dose of EVP-6124 - Area Under the Curve (AUC[0-24 h])   [ Time Frame: 24 hours ]

Measure Type Secondary
Measure Title Rivastigmine PK Data Following the First Dose of EVP-6124 - Area Under the Curve (AUC[0-24 h])
Measure Description Rivastigmine PK data; Area Under the Curve (AUC[0-24 h]); i.e, area under the concentration-time plot for rivastigmine after dosing with EVP-6124
Time Frame 24 hours  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
PK Population: All safety population subjects who had sufficient plasma concentration data to facilitate calculation of PK parameters. Only 4 subjects took rivastigmine concomitantly.

Reporting Groups
  Description
EVP-6124 (0.1 mg/Day) 1 capsule per day for 28 days.
EVP-6124 (1.0 mg/Day) 1 capsule per day for 28 days.

Measured Values
    EVP-6124 (0.1 mg/Day)     EVP-6124 (1.0 mg/Day)  
Number of Participants Analyzed  
[units: participants]
  2     2  
Rivastigmine PK Data Following the First Dose of EVP-6124 - Area Under the Curve (AUC[0-24 h])  
[units: h*ng/mL]
Mean ± Standard Deviation
  143.55  ± 85.52     54.60  ± 6.28  

No statistical analysis provided for Rivastigmine PK Data Following the First Dose of EVP-6124 - Area Under the Curve (AUC[0-24 h])




  Serious Adverse Events


  Other Adverse Events


  More Information
  Hide More Information

Certain Agreements:  
Principal Investigators are NOT employed by the organization sponsoring the study.
There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.
The agreement is:
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is less than or equal to 60 days. The sponsor cannot require changes to the communication and cannot extend the embargo.
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is more than 60 days but less than or equal to 180 days. The sponsor cannot require changes to the communication and cannot extend the embargo.


Limitations and Caveats
Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
No text entered.  


Results Point of Contact:  
Name/Title: Maria Gawryl, Ph.D., Vice President, Regulatory Affairs & Drug Development
Organization: EnVivo Pharmaceuticals, Inc.
phone: 617-225-4264
e-mail: mgawryl@envivopharma.com


No publications provided


Responsible Party: EnVivo Pharmaceuticals, Inc.
ClinicalTrials.gov Identifier: NCT00766363     History of Changes
Other Study ID Numbers: EVP-6124-007
Study First Received: October 1, 2008
Results First Received: June 16, 2011
Last Updated: April 18, 2012
Health Authority: United States: Food and Drug Administration