Trial Outcomes & Findings for Comparison of Diclofenac Systemic Exposure From Two Different Products (AMZ001 and Diclofenac Diethylammonium 1.16% Gel) in Healthy Participants After Repeated Topical Administrations for 7 Days. (NCT NCT06729073)

NCT ID: NCT06729073

Last Updated: 2026-01-06

Results Overview

Area under the curve from time zero to 24 hours

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

34 participants

Primary outcome timeframe

Day 7

Results posted on

2026-01-06

Participant Flow

Participant milestones

Participant milestones
Measure
AMZ001/Diclofenac Diethylamine 1.16%
AMZ001 applied once daily for 7 consecutive days followed by at least 21-day washout followed by Diclofenac diethylamine 1.16% applied four times daily for 7 consecutive days
Diclofenac Diethylamine 1.16%/AMZ001
Reference product applied four-times daily for 7 consecutive days followed by at least 21-day washout followed by AMZ001 applied once daily for 7 consecutive days
1
STARTED
17
17
1
COMPLETED
17
17
1
NOT COMPLETED
0
0
2
STARTED
17
16
2
COMPLETED
17
16
2
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Comparison of Diclofenac Systemic Exposure From Two Different Products (AMZ001 and Diclofenac Diethylammonium 1.16% Gel) in Healthy Participants After Repeated Topical Administrations for 7 Days.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
AMZ001/Diclofenac Diethylamine 1.16%
n=17 Participants
AMZ001 applied once daily for 7 consecutive days followed by at least 21-day washout followed by Diclofenac diethylamine 1.16% applied four times daily for 7 consecutive days
Diclofenac Diethylamine 1.16%/AMZ001
n=17 Participants
Reference product applied four-times daily for 7 consecutive days followed by at least 21-day washout followed by AMZ001 applied once daily for 7 consecutive days
Total
n=34 Participants
Total of all reporting groups
Age, Continuous
47.2 years
STANDARD_DEVIATION 12.75 • n=37 Participants
44.5 years
STANDARD_DEVIATION 9.94 • n=56 Participants
45.8 years
STANDARD_DEVIATION 11.34 • n=82 Participants
Sex: Female, Male
Female
11 Participants
n=37 Participants
7 Participants
n=56 Participants
18 Participants
n=82 Participants
Sex: Female, Male
Male
6 Participants
n=37 Participants
10 Participants
n=56 Participants
16 Participants
n=82 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=37 Participants
0 Participants
n=56 Participants
0 Participants
n=82 Participants
Race (NIH/OMB)
Asian
0 Participants
n=37 Participants
0 Participants
n=56 Participants
0 Participants
n=82 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=37 Participants
0 Participants
n=56 Participants
0 Participants
n=82 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=37 Participants
1 Participants
n=56 Participants
1 Participants
n=82 Participants
Race (NIH/OMB)
White
17 Participants
n=37 Participants
15 Participants
n=56 Participants
32 Participants
n=82 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=37 Participants
1 Participants
n=56 Participants
1 Participants
n=82 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=37 Participants
0 Participants
n=56 Participants
0 Participants
n=82 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
17 Participants
n=37 Participants
17 Participants
n=56 Participants
34 Participants
n=82 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
0 Participants
n=37 Participants
0 Participants
n=56 Participants
0 Participants
n=82 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=37 Participants
0 Participants
n=56 Participants
0 Participants
n=82 Participants

PRIMARY outcome

Timeframe: Day 7

Area under the curve from time zero to 24 hours

Outcome measures

Outcome measures
Measure
AMZ001
n=33 Participants
AMZ001 applied once daily for 7 consecutive days
Diclofenac Diethylamine 1.16%
n=34 Participants
Reference product applied four-times daily for 7 consecutive days
Area Under the Curve 0-24h
281.60 h*ng/mL
Geometric Coefficient of Variation 67.1
411.35 h*ng/mL
Geometric Coefficient of Variation 57.2

SECONDARY outcome

Timeframe: Day 7

Minimum plasma drug concentration (Cmin)

Outcome measures

Outcome measures
Measure
AMZ001
n=33 Participants
AMZ001 applied once daily for 7 consecutive days
Diclofenac Diethylamine 1.16%
n=34 Participants
Reference product applied four-times daily for 7 consecutive days
Pharmacokinetic Parameter - Cmin
5.812 ng/mL
Geometric Coefficient of Variation 73.1
10.22 ng/mL
Geometric Coefficient of Variation 50.2

SECONDARY outcome

Timeframe: Day 7

Average plasma concentration (Cavg)

Outcome measures

Outcome measures
Measure
AMZ001
n=33 Participants
AMZ001 applied once daily for 7 consecutive days
Diclofenac Diethylamine 1.16%
n=34 Participants
Reference product applied four-times daily for 7 consecutive days
Pharmacokinetic Parameter - Cavg
11.733 ng/mL
Geometric Coefficient of Variation 67.1
17.139 ng/mL
Geometric Coefficient of Variation 57.2

SECONDARY outcome

Timeframe: Day 7

Time to reach maximum plasma concentration (Tmax)

Outcome measures

Outcome measures
Measure
AMZ001
n=33 Participants
AMZ001 applied once daily for 7 consecutive days
Diclofenac Diethylamine 1.16%
n=34 Participants
Reference product applied four-times daily for 7 consecutive days
Pharmacokinetic Parameter - Tmax
6 h
Interval 0.0 to 20.017
17.9830 h
Interval 0.0 to 24.0

SECONDARY outcome

Timeframe: Day 1

Area under the curve from time zero to 24 hours and maximum (peak) plasma drug concentration

Outcome measures

Outcome measures
Measure
AMZ001
n=33 Participants
AMZ001 applied once daily for 7 consecutive days
Diclofenac Diethylamine 1.16%
n=34 Participants
Reference product applied four-times daily for 7 consecutive days
Compare Exposure to Diclofenac
141.76 h*ng/mL
Geometric Coefficient of Variation 101.6
86.76 h*ng/mL
Geometric Coefficient of Variation 116.3

SECONDARY outcome

Timeframe: Day 1

Time to reach maximum plasma concentration (Tmax)

Outcome measures

Outcome measures
Measure
AMZ001
n=33 Participants
AMZ001 applied once daily for 7 consecutive days
Diclofenac Diethylamine 1.16%
n=34 Participants
Reference product applied four-times daily for 7 consecutive days
Pharmacokinetic Parameter - Tmax
9.9170 h
Interval 4.0 to 23.833
23.8330 h
Interval 8.0 to 23.883

SECONDARY outcome

Timeframe: Day 1

Average plasma concentration

Outcome measures

Outcome measures
Measure
AMZ001
n=33 Participants
AMZ001 applied once daily for 7 consecutive days
Diclofenac Diethylamine 1.16%
n=34 Participants
Reference product applied four-times daily for 7 consecutive days
Pharmacokinetic Parameter - Cavg
5.906 ng/mL
Geometric Coefficient of Variation 101.6
3.615 ng/mL
Geometric Coefficient of Variation 116.3

SECONDARY outcome

Timeframe: Day 1 to Day 7

Number of subjects having at least one event

Outcome measures

Outcome measures
Measure
AMZ001
n=33 Participants
AMZ001 applied once daily for 7 consecutive days
Diclofenac Diethylamine 1.16%
n=34 Participants
Reference product applied four-times daily for 7 consecutive days
Incidence of Application Site Reactions
0 Participants
1 Participants

Adverse Events

AMZ001

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Diclofenac Diethylamine 1.16%

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
AMZ001
n=33 participants at risk
AMZ001 applied once daily for 7 consecutive days
Diclofenac Diethylamine 1.16%
n=34 participants at risk
Reference product applied four-times daily for 7 consecutive days
Infections and infestations
Nasopharyngitis
6.1%
2/33 • From enrollment until end of treatment period 2
8.8%
3/34 • From enrollment until end of treatment period 2
Infections and infestations
Rhinitis
0.00%
0/33 • From enrollment until end of treatment period 2
2.9%
1/34 • From enrollment until end of treatment period 2
Infections and infestations
Urinary tract infection
3.0%
1/33 • From enrollment until end of treatment period 2
0.00%
0/34 • From enrollment until end of treatment period 2
Nervous system disorders
Headache
3.0%
1/33 • From enrollment until end of treatment period 2
5.9%
2/34 • From enrollment until end of treatment period 2
Gastrointestinal disorders
Abdominal pain upper
3.0%
1/33 • From enrollment until end of treatment period 2
0.00%
0/34 • From enrollment until end of treatment period 2
Injury, poisoning and procedural complications
Skin abrasion
0.00%
0/33 • From enrollment until end of treatment period 2
2.9%
1/34 • From enrollment until end of treatment period 2
Renal and urinary disorders
Dysuria
0.00%
0/33 • From enrollment until end of treatment period 2
2.9%
1/34 • From enrollment until end of treatment period 2
Respiratory, thoracic and mediastinal disorders
Cough
3.0%
1/33 • From enrollment until end of treatment period 2
0.00%
0/34 • From enrollment until end of treatment period 2
Skin and subcutaneous tissue disorders
Erythema
0.00%
0/33 • From enrollment until end of treatment period 2
2.9%
1/34 • From enrollment until end of treatment period 2

Additional Information

Delpy

AMZELL BV

Phone: +31235560460

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place