Trial Outcomes & Findings for Caverject User Study (NCT NCT01008605)

NCT ID: NCT01008605

Last Updated: 2012-04-06

Results Overview

Percentage of participants who were able to successfully expel the selected dose from the Caverject Impulse Delivery System when relying on the modified Instructions for Use. The process was considered successful if the lower bound of the 95% confidence interval (CI) was more than (\>) 80% overall.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

48 participants

Primary outcome timeframe

Day 1

Results posted on

2012-04-06

Participant Flow

Participant milestones

Participant milestones
Measure
All Participants
All participants who delivered a predefined dose and volume of Alprostadil (prostaglandin E1 \[PGE1\], Caverject) into a receptacle, using the assigned Caverject Impulse delivery system. Participants did not receive study medication and were monitored during the handling of the Caverject Impulse delivery system.
Overall Study
STARTED
48
Overall Study
COMPLETED
48
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Caverject User Study

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
All Participants
n=48 Participants
All participants who delivered a predefined dose and volume of Alprostadil (prostaglandin E1 \[PGE1\], Caverject) into a receptacle, using the assigned Caverject Impulse delivery system. Participants did not receive study medication and were monitored during the handling of the Caverject Impulse delivery system.
Age Continuous
51.6 years
STANDARD_DEVIATION 8.5 • n=5 Participants
Age, Customized
Between 18 and 44 years
11 participants
n=5 Participants
Age, Customized
Between 45 and 64 years
31 participants
n=5 Participants
Age, Customized
>= 65 years
6 participants
n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
Sex: Female, Male
Male
48 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Day 1

Population: Full Analysis Set (FAS): All eligible participants who read the instructions and attempted to deliver Alprostadil using the Caverject Impulse Delivery System. Each participant tested one device/dose combination.

Percentage of participants who were able to successfully expel the selected dose from the Caverject Impulse Delivery System when relying on the modified Instructions for Use. The process was considered successful if the lower bound of the 95% confidence interval (CI) was more than (\>) 80% overall.

Outcome measures

Outcome measures
Measure
All Participants
n=48 Participants
All participants who delivered a predefined dose and volume of Alprostadil (prostaglandin E1 \[PGE1\], Caverject) into a receptacle, using the assigned Caverject Impulse delivery system. Participants did not receive study medication and were monitored during the handling of the Caverject Impulse delivery system.
Caverject 10 Mcg Device, 5.0 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 7.5 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 7.5 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 10 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 5.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 10.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 15.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 15.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 20.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 20.0 mcg in a receptacle. Participants did not receive study medication.
Percentage of Participants Who Successfully Operated the Caverject Impulse Delivery System
95.83 percentage of participants

SECONDARY outcome

Timeframe: Day 1

Population: FAS. Each participant tested one device/dose combination.

Participant Assessment Tool, Question 1: Instructions provided were useful? Participant responses were reported as follows: Very Useful, Somewhat Useful, Not Very Useful, Not Useful At All.

Outcome measures

Outcome measures
Measure
All Participants
n=48 Participants
All participants who delivered a predefined dose and volume of Alprostadil (prostaglandin E1 \[PGE1\], Caverject) into a receptacle, using the assigned Caverject Impulse delivery system. Participants did not receive study medication and were monitored during the handling of the Caverject Impulse delivery system.
Caverject 10 Mcg Device, 5.0 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 7.5 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 7.5 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 10 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 5.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 10.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 15.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 15.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 20.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 20.0 mcg in a receptacle. Participants did not receive study medication.
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 1
Very useful
44 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 1
Somewhat useful
4 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 1
Not very useful
0 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 1
Not useful at all
0 participants

SECONDARY outcome

Timeframe: Day 1

Population: FAS. Each participant tested one device/dose combination.

Participant Assessment Tool, Question 2: Instructions provided were clear? Participant responses were reported as follows: Very Clear, Somewhat Clear, Not Very Clear, Not Clear At All.

Outcome measures

Outcome measures
Measure
All Participants
n=48 Participants
All participants who delivered a predefined dose and volume of Alprostadil (prostaglandin E1 \[PGE1\], Caverject) into a receptacle, using the assigned Caverject Impulse delivery system. Participants did not receive study medication and were monitored during the handling of the Caverject Impulse delivery system.
Caverject 10 Mcg Device, 5.0 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 7.5 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 7.5 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 10 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 5.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 10.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 15.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 15.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 20.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 20.0 mcg in a receptacle. Participants did not receive study medication.
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 2
Very clear
43 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 2
Somewhat clear
4 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 2
Not very clear
1 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 2
Not clear at all
0 participants

SECONDARY outcome

Timeframe: Day 1

Population: FAS. Each participant tested one device/dose combination.

Participant Assessment Tool, Question 3: Most difficult step? Participant responses were reported as follows: No Steps Particularly Difficult, Attaching Needle, Mixing Solution, Getting The Air Out Of Syringe, Dialing Dose, Pushing Plunger, Other.

Outcome measures

Outcome measures
Measure
All Participants
n=48 Participants
All participants who delivered a predefined dose and volume of Alprostadil (prostaglandin E1 \[PGE1\], Caverject) into a receptacle, using the assigned Caverject Impulse delivery system. Participants did not receive study medication and were monitored during the handling of the Caverject Impulse delivery system.
Caverject 10 Mcg Device, 5.0 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 7.5 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 7.5 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 10 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 5.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 10.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 15.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 15.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 20.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 20.0 mcg in a receptacle. Participants did not receive study medication.
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 3
No steps particularly difficult
38 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 3
Attaching needle
2 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 3
Mixing solution
1 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 3
Getting the air out of syringe
0 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 3
Dialing dose
2 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 3
Pushing plunger
4 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 3
Other
1 participants

SECONDARY outcome

Timeframe: Day 1

Population: FAS. Each participant tested one device/dose combination.

Participant Assessment Tool, Question 4: Syringe easy to use? Participant responses were reported as follows: Very Easy, Somewhat Easy, Somewhat Difficult, Very Difficult

Outcome measures

Outcome measures
Measure
All Participants
n=48 Participants
All participants who delivered a predefined dose and volume of Alprostadil (prostaglandin E1 \[PGE1\], Caverject) into a receptacle, using the assigned Caverject Impulse delivery system. Participants did not receive study medication and were monitored during the handling of the Caverject Impulse delivery system.
Caverject 10 Mcg Device, 5.0 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 7.5 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 7.5 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 10 Mcg Dose Setting
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 5.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 10.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 15.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 15.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 20.0 Mcg Dose Setting
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 20.0 mcg in a receptacle. Participants did not receive study medication.
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 4
Very easy
43 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 4
Somewhat easy
4 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 4
Somewhat difficult
1 participants
Number of Participants With Categorical Responses to the Participant Assessment Tool: Question 4
Very difficult
0 participants

SECONDARY outcome

Timeframe: Day 1

Population: FAS. Each participant tested one device/dose combination. n = number of participants with available data.

Steps involved while using the Caverject Impulse Delivery System included assembly, mixing the dose, de-aeration, setting the dose, and injecting the dose.

Outcome measures

Outcome measures
Measure
All Participants
n=6 Participants
All participants who delivered a predefined dose and volume of Alprostadil (prostaglandin E1 \[PGE1\], Caverject) into a receptacle, using the assigned Caverject Impulse delivery system. Participants did not receive study medication and were monitored during the handling of the Caverject Impulse delivery system.
Caverject 10 Mcg Device, 5.0 Mcg Dose Setting
n=6 Participants
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 7.5 Mcg Dose Setting
n=6 Participants
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 7.5 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 10 Mcg Dose Setting
n=7 Participants
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 5.0 Mcg Dose Setting
n=6 Participants
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 10.0 Mcg Dose Setting
n=5 Participants
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 15.0 Mcg Dose Setting
n=6 Participants
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 15.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 20.0 Mcg Dose Setting
n=6 Participants
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 20.0 mcg in a receptacle. Participants did not receive study medication.
Time Required to Perform Each Step While Using the Caverject Impulse Delivery System
Step 1: Assembly (n=6, 6, 6, 7, 6, 5, 6, 6)
103.2 seconds
Standard Deviation 16.98
141.7 seconds
Standard Deviation 26.17
119.2 seconds
Standard Deviation 58.60
115.4 seconds
Standard Deviation 33.53
127.5 seconds
Standard Deviation 54.57
110.2 seconds
Standard Deviation 31.40
109.7 seconds
Standard Deviation 28.77
107.2 seconds
Standard Deviation 52.70
Time Required to Perform Each Step While Using the Caverject Impulse Delivery System
Step 2: Mixing solution (n=6, 5, 6, 7, 5, 5, 6, 6)
55.5 seconds
Standard Deviation 28.28
57.4 seconds
Standard Deviation 30.94
61.0 seconds
Standard Deviation 38.78
58.0 seconds
Standard Deviation 37.1
50.2 seconds
Standard Deviation 22.97
43.8 seconds
Standard Deviation 38.21
61.2 seconds
Standard Deviation 16.44
51.8 seconds
Standard Deviation 35.31
Time Required to Perform Each Step While Using the Caverject Impulse Delivery System
Step 3: De-aerating (n=6, 5, 6, 7, 5, 5, 6, 6)
55.8 seconds
Standard Deviation 18.27
50.8 seconds
Standard Deviation 18.2
62.3 seconds
Standard Deviation 41.55
52.7 seconds
Standard Deviation 26.02
48.8 seconds
Standard Deviation 43.00
44.0 seconds
Standard Deviation 18.12
48.2 seconds
Standard Deviation 18.18
57.2 seconds
Standard Deviation 20.18
Time Required to Perform Each Step While Using the Caverject Impulse Delivery System
Step 4: Setting the dose (n=6, 4, 6, 7, 5, 5, 6, 6
21.0 seconds
Standard Deviation 9.65
24.8 seconds
Standard Deviation 7.09
70.3 seconds
Standard Deviation 106.57
47.3 seconds
Standard Deviation 37.80
43.2 seconds
Standard Deviation 41.76
26.2 seconds
Standard Deviation 14.60
23.8 seconds
Standard Deviation 11.37
37.3 seconds
Standard Deviation 22.34
Time Required to Perform Each Step While Using the Caverject Impulse Delivery System
Step 5: Injecting dose (n=6, 5, 6, 7, 5, 5, 6, 6)
98.7 seconds
Standard Deviation 85.41
39.2 seconds
Standard Deviation 21.21
62.8 seconds
Standard Deviation 68.99
80.0 seconds
Standard Deviation 85.65
42.0 seconds
Standard Deviation 28.55
51.6 seconds
Standard Deviation 42.69
31.0 seconds
Standard Deviation 14.34
41.5 seconds
Standard Deviation 18.22

SECONDARY outcome

Timeframe: Day 1

Population: FAS. Each participant tested one device/dose combination.

Number of participants providing comments on questions in the Participant Assessment Tool. Questions were as follows: were instructions clear, were instructions useful, which was the most difficult step, and was the syringe easy to use.

Outcome measures

Outcome measures
Measure
All Participants
n=6 Participants
All participants who delivered a predefined dose and volume of Alprostadil (prostaglandin E1 \[PGE1\], Caverject) into a receptacle, using the assigned Caverject Impulse delivery system. Participants did not receive study medication and were monitored during the handling of the Caverject Impulse delivery system.
Caverject 10 Mcg Device, 5.0 Mcg Dose Setting
n=6 Participants
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 7.5 Mcg Dose Setting
n=6 Participants
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 7.5 mcg in a receptacle. Participants did not receive study medication.
Caverject 10 Mcg Device, 10 Mcg Dose Setting
n=7 Participants
Participants used the 10 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 5.0 Mcg Dose Setting
n=6 Participants
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 5.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 10.0 Mcg Dose Setting
n=5 Participants
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 10.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 15.0 Mcg Dose Setting
n=6 Participants
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 15.0 mcg in a receptacle. Participants did not receive study medication.
Caverject 20 Mcg Device, 20.0 Mcg Dose Setting
n=6 Participants
Participants used the 20 mcg Caverject Impulse Delivery System to expel Alprostadil 20.0 mcg in a receptacle. Participants did not receive study medication.
Number of Participants Providing Comments to Any Question on the Participant Assessment Tool
Instructions provided were useful?
1 participants
0 participants
0 participants
0 participants
1 participants
1 participants
1 participants
1 participants
Number of Participants Providing Comments to Any Question on the Participant Assessment Tool
Instructions provided were clear?
1 participants
1 participants
0 participants
0 participants
1 participants
0 participants
1 participants
1 participants
Number of Participants Providing Comments to Any Question on the Participant Assessment Tool
Most difficult step?
3 participants
0 participants
1 participants
1 participants
1 participants
0 participants
1 participants
2 participants
Number of Participants Providing Comments to Any Question on the Participant Assessment Tool
Syringe easy to use?
1 participants
2 participants
2 participants
1 participants
2 participants
0 participants
0 participants
2 participants

Adverse Events

All Participants

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Pfizer ClinicalTrials.gov Call Center

Pfizer, Inc.

Phone: 1-800-718-1021

Results disclosure agreements

  • Principal investigator is a sponsor employee Pfizer has the right to review disclosures, requesting a delay of less than 60 days. Investigator will postpone single center publications until after disclosure of pooled data (all sites), less than 12 months from study completion/termination at all participating sites. Investigator may not disclose previously undisclosed confidential information other than study results.
  • Publication restrictions are in place

Restriction type: OTHER