Clinical Trial Page

Clinical Trial Results:
An International, Multicenter, Open-label, Long Term Extension Study Evaluating the Safety of Diacerein 1% Ointment Topical Formulation in Subjects with Epidermolysis Bullosa Simplex (EBS)

Summary
EudraCT number
2017-003757-41
Trial protocol
GB   AT   NL   DE   FR  
Global end of trial date
17 Apr 2020

Results information
Results version number
v1(current)
This version publication date
17 Oct 2020
First version publication date
17 Oct 2020
Other versions

Trial information

Close Top of page
Trial identification
Sponsor protocol code
CCP-020-302
Additional study identifiers
ISRCTN number
-
US NCT number
NCT03389308
WHO universal trial number (UTN)
-
Other trial identifiers
IND: 131 384
Sponsors
Sponsor organisation name
Castle Creek Pharmaceuticals, LLC
Sponsor organisation address
233 Mt. Airy Road, Basking Ridge, United States, 07920
Public contact
Dr. Mary Spellman, Castle Creek Pharmaceuticals, LLC, +001 8622860400, mspellman@castlecreekpharma.com
Scientific contact
Dr. Mary Spellman, Castle Creek Pharmaceuticals, LLC, +001 8622860400, mspellman@castlecreekpharma.com
Paediatric regulatory details
Is trial part of an agreed paediatric investigation plan (PIP)
No
Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial?
No
Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial?
No
Results analysis stage
Analysis stage
Final
Date of interim/final analysis
08 Jul 2020
Is this the analysis of the primary completion data?
Yes
Primary completion date
17 Apr 2020
Global end of trial reached?
Yes
Global end of trial date
17 Apr 2020
Was the trial ended prematurely?
No
General information about the trial
Main objective of the trial
The primary objective of this study is to evaluate the long-term safety and tolerability of Diacerein 1% Ointment in subjects with EBS that were previously enrolled in studies CCP-020-301 or CCP-020-101.
Protection of trial subjects
The study was performed in accordance with ethical principles that have their origin in the Declaration of Helsinki and are consistent with International Council for Harmonisation (ICH)/Good Clinical Practice (GCP), applicable regulatory requirements, and the Castle Creek Policy on Bioethics.
Background therapy
-
Evidence for comparator
-
Actual start date of recruitment
15 Nov 2017
Long term follow-up planned
No
Independent data monitoring committee (IDMC) involvement?
No
Population of trial subjects
Number of subjects enrolled per country
Country: Number of subjects enrolled
Netherlands: 3
Country: Number of subjects enrolled
United Kingdom: 7
Country: Number of subjects enrolled
Austria: 1
Country: Number of subjects enrolled
France: 9
Country: Number of subjects enrolled
Germany: 2
Country: Number of subjects enrolled
Australia: 2
Country: Number of subjects enrolled
Israel: 5
Country: Number of subjects enrolled
United States: 22
Worldwide total number of subjects
51
EEA total number of subjects
22
Number of subjects enrolled per age group
In utero
0
Preterm newborn - gestational age
0
Newborns (0-27 days)
0
Infants and toddlers (28 days-23 months)
0
Children (2-11 years)
33
Adolescents (12-17 years)
7
Adults (18-64 years)
11
From 65 to 84 years
0
85 years and over
0

Subject disposition

Close Top of page
Recruitment
Recruitment details
Subjects with EBS that were previously enrolled in studies CCP-020-301 or CCP-020-101 were recruited.

Pre-assignment
Screening details
At baseline, EBS subjects who participated in the CCP-020-301 double-blind safety and efficacy study or participated in the CCP-020-101 pharmacokinetic study (feeder studies) and who met all of the inclusion/exclusion criteria were eligible to enroll and complete up to 2 treatment cycles of diacerein 1% ointment in this study.

Period 1
Period 1 title
Overall Trial (overall period)
Is this the baseline period?
Yes
Allocation method
Non-randomised - controlled
Blinding used
Not blinded

Arms
Arm title
Open Label
Arm description
Each treatment cycle consisted of 8 weeks on treatment (once-daily, at-home study drug applications) followed by 8 weeks off treatment (only Investigator-approved, bland, non-medicated emollient/moisturizer, routine cleansing products, and sunscreens were allowed off treatment), with a maximum of 2 treatment cycles allowed for up to 52 weeks.
Arm type
Experimental

Investigational medicinal product name
Diacerein
Investigational medicinal product code
CCP-020
Other name
Pharmaceutical forms
Ointment
Routes of administration
Topical use
Dosage and administration details
During the treatment period of each cycle, subjects/caregivers applied a thin layer of the assigned study drug, sufficient to cover the subject’s EBS lesions and approximately ¾ inch (2 cm) of surrounding uninvolved skin, and gently rubbed in the study drug. Subjects/caregivers applied the assigned study drug to all EBS lesions, including any new EBS lesions that developed (up to 30% BSA), once daily, every evening until the lesions resolved, for 8 weeks.

Number of subjects in period 1
Open Label
Started
51
Completed
39
Not completed
12
     Sponsor request
2
     Adverse event, non-fatal
2
     Consent withdrawn by subject
5
     Lost to follow-up
3

Baseline characteristics

Close Top of page
Baseline characteristics reporting groups
Reporting group title
Overall Trial
Reporting group description
-

Reporting group values
Overall Trial Total
Number of subjects
51 51
Age categorical
Units: Subjects
    Children (2-11 years)
33 33
    Adolescents (12-17 years)
7 7
    Adults (18-64 years)
11 11
    From 65-84 years
0 0
    85 years and over
0 0
Gender categorical
Units: Subjects
    Female
26 26
    Male
25 25

End points

Close Top of page
End points reporting groups
Reporting group title
Open Label
Reporting group description
Each treatment cycle consisted of 8 weeks on treatment (once-daily, at-home study drug applications) followed by 8 weeks off treatment (only Investigator-approved, bland, non-medicated emollient/moisturizer, routine cleansing products, and sunscreens were allowed off treatment), with a maximum of 2 treatment cycles allowed for up to 52 weeks.

Primary: Treatment-Emergent Adverse Events

Close Top of page
End point title
Treatment-Emergent Adverse Events [1]
End point description
Number and percentage of participants with any treatment-emergent adverse event
End point type
Primary
End point timeframe
Up to 52 weeks
Notes
[1] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point.
Justification: The primary objective of this safety study was to describe treatment-emergent adverse events.
End point values
Open Label
Number of subjects analysed
51
Units: Count of Participants
    Treatment-Emergent Adverse Events
40
No statistical analyses for this end point

Adverse events

Close Top of page
Adverse events information
Timeframe for reporting adverse events
Up to 52 weeks
Assessment type
Non-systematic
Dictionary used for adverse event reporting
Dictionary name
MedDRA
Dictionary version
19.0
Reporting groups
Reporting group title
All study participants
Reporting group description
Safety population

Serious adverse events
All study participants
Total subjects affected by serious adverse events
     subjects affected / exposed
0 / 51 (0.00%)
     number of deaths (all causes)
0
     number of deaths resulting from adverse events
0
Frequency threshold for reporting non-serious adverse events: 5%
Non-serious adverse events
All study participants
Total subjects affected by non serious adverse events
     subjects affected / exposed
21 / 51 (41.18%)
Respiratory, thoracic and mediastinal disorders
Cough
     subjects affected / exposed
4 / 51 (7.84%)
     occurrences all number
5
General disorders and administration site conditions
Pyrexia
     subjects affected / exposed
4 / 51 (7.84%)
     occurrences all number
4
Skin and subcutaneous tissue disorders
Pruritus
     subjects affected / exposed
4 / 51 (7.84%)
     occurrences all number
6
Infections and infestations
Nasopharyngitis
     subjects affected / exposed
7 / 51 (13.73%)
     occurrences all number
10
Skin infection
     subjects affected / exposed
5 / 51 (9.80%)
     occurrences all number
9
Ear infection
     subjects affected / exposed
3 / 51 (5.88%)
     occurrences all number
3
Gastroenteritis viral
     subjects affected / exposed
3 / 51 (5.88%)
     occurrences all number
3

More information

Close Top of page

Substantial protocol amendments (globally)

Were there any global substantial amendments to the protocol? No

Interruptions (globally)

Were there any global interruptions to the trial? No

Limitations and caveats

Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data.
None reported
3
Subscribe