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Trial · NCT02864082

A Safety and Tolerability Study of Topical PAT-001 in Congenital Ichthyosis

NCT02864082, Phase 2, Completed, Patagonia Pharmaceuticals, LLC; results first posted 2021-09-02

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. A Safety and Tolerability Study of Topical PAT-001 in Congenital Ichthyosis. Trials, record NCT02864082. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT02864082

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
A Safety and Tolerability Study of Topical PAT-001 in Congenital Ichthyosis
NCT number
NCT02864082
Status
Completed
Phases
Phase 2
Enrollment
19 participants, actual
Lead sponsor
Patagonia Pharmaceuticals, LLC
Conditions
Congenital Ichthyosis
Interventions
PAT-001, 0.1%, PAT-001, 0.2%, Vehicle for PAT-001 0.1%, Vehicle for PAT-001 0.2%
First posted
2016-08-11
Last updated
2021-09-29
Results first posted
2021-09-02
Limitations and caveats
Data should be interpreted with caution due to small sample sizes

Source ClinicalTrials.gov

Registered outcomes5

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryNumber of Participants With Adverse Events (AEs) in Part 1 of Trial (Weeks 0-8)Day 0 through Day 57 (Weeks 0-8)The number of participants with AEs will be assessed by the investigator and the incidence (severity and causality) of any local and systemic AEs will be reported.
PrimaryIncidence of Local Skin Reactions (LSRs) in Participants Treated With PAT-001 0.1%, 0.2% and/or VehicleUp to Day 84 (Weeks 0-12)
LSRs including burning/stinging, pain, and pruritus (itch) will be assessed in each Treatment Area using a four-point ordinal scale where 0=none, 1=mild, 2=moderate, and 3=severe (based on the investigator's evaluation of the skin reaction) at each clinic visit to allow a comparison between Treatment Groups and Test Articles. Only LSRs that require medical intervention (e.g., prescription medication) or require withholding or reduction in dosing frequency of the test articles will be documented in this LSR Table. Any LSRs that are not listed here will be recorded as AEs.
SecondaryNumber of Participants Achieving Improvement to State of Clear, Almost Clear or Mild in the Investigator's Global Assessment (IGA) Using a Five-point Scale at Day 57 (Part 1)Up to Day 57
Overall severity of ichthyosis will be graded using a five-point scale Investigator Global Assessment (IGA) based upon a 5 point scale going from 0=clear., 1=almost clear, 2=mild, 3=moderate to 4=severe. Scoring is based upon investigator evaluation. This is a static morphological scale that refers to a point in time and not a comparison to Baseline.
Secondary
Number of Participants Achieving an Improvement of at Least 1 Point Score in the Individual Clinical Signs/Symptoms of Erythema, Scaling, Fissuring and Papulation/Lichenification Using a Five-point Scale
Up to Day 57 (Weeks 0-8)
Overall severity of erythema (redness), scaling , fissuring (cracks in skin), and papulation/lichenification (skin thickening, increased pigmentation and/or exaggerated skin lines, formation of papules) will be graded using a five-point scale from 0=clear, 1=almost clear, 2=mild, 3=moderate to 4=severe. This is a static morphological scale that refers to a point in time and not a comparison to Baseline. This scoring is based upon investigator discretion.
OtherPharmacokinetics of PAT-001 0.1% and 0.2% at Different TimepointsDay 1 (0,1, 2, 3, and 4 hours post Dose)Serum concentrations for PAT-001 0.1% and PAT-001 0.2% looking at blood levels obtained at timepoints outlined

Outcomes5

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYNumber of Participants With Adverse Events (AEs) in Part 1 of Trial (Weeks 0-8)Day 0 through Day 57 (Weeks 0-8)Number of Participants with Adverse eventsparticipantsNUMBER
PRIMARYIncidence of Local Skin Reactions (LSRs) in Participants Treated With PAT-001 0.1%, 0.2% and/or VehicleUp to Day 84 (Weeks 0-12)Participants may have had more than one type of LSRparticipantsNUMBER
SECONDARYNumber of Participants Achieving Improvement to State of Clear, Almost Clear or Mild in the Investigator's Global Assessment (IGA) Using a Five-point Scale at Day 57 (Part 1)Up to Day 57ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARY
Number of Participants Achieving an Improvement of at Least 1 Point Score in the Individual Clinical Signs/Symptoms of Erythema, Scaling, Fissuring and Papulation/Lichenification Using a Five-point Scale
Up to Day 57 (Weeks 0-8)IGA score improvement of at least 1 point on IGA for scaling, erythema, papulation/lichenification and fissuring at Day 57 in patients receiving continuous 0.1% and 0.2% PAT-001participantsNUMBER
OTHER_PRE_SPECIFIEDPharmacokinetics of PAT-001 0.1% and 0.2% at Different TimepointsDay 1 (0,1, 2, 3, and 4 hours post Dose)ng/mLMEAN

Results by group114

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Number of Participants With Adverse Events (AEs) in Part 1 of Trial (Weeks 0-8)Group 1 PAT-001 0.1%Number of Subjects with TEAE7participants
Number of Participants With Adverse Events (AEs) in Part 1 of Trial (Weeks 0-8)Group 2 PAT-001 0.2%Number of Subjects with TEAE7participants
Number of Participants With Adverse Events (AEs) in Part 1 of Trial (Weeks 0-8)Group 1 VehicleNumber of Subjects with TEAE5participants
Number of Participants With Adverse Events (AEs) in Part 1 of Trial (Weeks 0-8)Group 2 VehicleNumber of Subjects with TEAE5participants
Number of Participants With Adverse Events (AEs) in Part 1 of Trial (Weeks 0-8)Group 1 PAT-001 0.1%Number of Treatment Emergent Adverse Events (TEAE) within treatment area4participants
Number of Participants With Adverse Events (AEs) in Part 1 of Trial (Weeks 0-8)Group 2 PAT-001 0.2%Number of Treatment Emergent Adverse Events (TEAE) within treatment area5participants
Number of Participants With Adverse Events (AEs) in Part 1 of Trial (Weeks 0-8)Group 1 VehicleNumber of Treatment Emergent Adverse Events (TEAE) within treatment area3participants
Number of Participants With Adverse Events (AEs) in Part 1 of Trial (Weeks 0-8)Group 2 VehicleNumber of Treatment Emergent Adverse Events (TEAE) within treatment area3participants
Number of Participants With Adverse Events (AEs) in Part 1 of Trial (Weeks 0-8)Group 1 PAT-001 0.1%Number of Deaths due to TEAE0participants
Number of Participants With Adverse Events (AEs) in Part 1 of Trial (Weeks 0-8)Group 2 PAT-001 0.2%Number of Deaths due to TEAE0participants

Participant flow6

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDGroup 1 PAT-001 0.1% and Vehicle10
Overall StudySTARTEDGroup 2 PAT-001 0.2% and Vehicle9
Overall StudyCOMPLETEDGroup 1 PAT-001 0.1% and Vehicle7
Overall StudyCOMPLETEDGroup 2 PAT-001 0.2% and Vehicle5
Overall StudyNOT COMPLETEDGroup 1 PAT-001 0.1% and Vehicle3
Overall StudyNOT COMPLETEDGroup 2 PAT-001 0.2% and Vehicle4

Adverse events84

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherApplication site pruritisGeneral disordersGroup 1 PAT-001 0.1%3106
otherApplication site pruritisGeneral disordersGroup 2 PAT-001 0.2%090
otherApplication site pruritisGeneral disordersGroup 1 Vehicle2102
otherApplication site pruritisGeneral disordersGroup 2 Vehicle191
otherC. difficile colitisInfections and infestationsGroup 1 PAT-001 0.1%0100
otherC. difficile colitisInfections and infestationsGroup 2 PAT-001 0.2%191
otherC. difficile colitisInfections and infestationsGroup 1 Vehicle0100
otherC. difficile colitisInfections and infestationsGroup 2 Vehicle090
otherArthropod biteInjury, poisoning and procedural complicationsGroup 1 PAT-001 0.1%2102
otherArthropod biteInjury, poisoning and procedural complicationsGroup 2 PAT-001 0.2%090

Adverse event totals12

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityGroup 1 PAT-001 0.1%010
Total, all-cause mortalityGroup 2 PAT-001 0.2%09
Total, all-cause mortalityGroup 1 Vehicle010
Total, all-cause mortalityGroup 2 Vehicle09
Total, other adverse eventsGroup 1 PAT-001 0.1%710
Total, other adverse eventsGroup 2 PAT-001 0.2%79
Total, other adverse eventsGroup 1 Vehicle210
Total, other adverse eventsGroup 2 Vehicle19
Total, serious adverse eventsGroup 1 PAT-001 0.1%010
Total, serious adverse eventsGroup 2 PAT-001 0.2%19

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT02864082

GET https://conductscience.org/api/trials/v1/NCT02864082/results?page=2