NCT04024579

Brief Summary

This is a prospective single-arm multicenter medical device study to investigate the clinical efficacy and safety of the treatment of actinic keratosis with a 5% potassium hydroxide solution. In total, 68 patients with actinic keratosis grade I/II, who meet all inclusion criteria and do not meet none of the exclusion criteria are to be enrolled and topically treated twice daily for up to 3 cycles of 14 days of treatment followed by 14 non-treatment days. The primary objective is treatment success at the individual end-of-treatment visit of all AK lesions present at baseline and treated with the investigational product. Beside this, adverse events will be collected at each visit and evaluated in order to investigate clinical safety.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
73

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Oct 2017

Geographic Reach
1 country

6 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 17, 2017

Completed
1.7 years until next milestone

First Submitted

Initial submission to the registry

July 16, 2019

Completed
2 days until next milestone

First Posted

Study publicly available on registry

July 18, 2019

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 25, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 25, 2019

Completed
Last Updated

October 22, 2019

Status Verified

October 1, 2019

Enrollment Period

1.9 years

First QC Date

July 16, 2019

Last Update Submit

October 21, 2019

Conditions

Outcome Measures

Primary Outcomes (1)

  • Efficacy (Patients with treatment success): defined as dermatoscopically confirmed complete remission of all AK lesions by the investigator

    Treatment success (yes, no) at the individual end-of-treatment visit (VE), defined as dermatoscopically confirmed complete remission of all AK lesions by the investigator, which were present at V0 and treated with the investigational product (complete clearance).

    Visit 14 days after EOT (End of treatment); up to 12 weeks depending treatment cycles nessesary

Eligibility Criteria

Age30 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

All patients of the participating study sites (medical practice and experienced in the management and treatment of patients suffering from the disease as mentioned in the inclusion criterion), who fulfill all inclusion criteria and do not fulfill any of the exclusion criteria, are eligible for participation in the TAKKOH study

You may qualify if:

  • Written informed consent
  • Age: 30 to 80 years
  • Adults with AK grade I (mild) or II (moderate)

You may not qualify if:

  • Number of lesions requiring treatment \> 10
  • Lesion to be treated \> 20 mm (maximum diameter)
  • Lesions directly adjoining to the eyes, eyelids, nostrils, mouth or mucosal tissue,
  • Need for topical treatment of a cancerous area
  • Presence of a relapsing, persistent, indurated, thickened, painful, bleeding, ulcerated and/or rapidly growing lesion
  • Presence of a persistent or relapsing lesion despite appropriate treatment with AKOHDerm or another appropriate treatment
  • High risk of progression of AK according as assessed by a medical doctor
  • Pharmacological or physical local therapy of AK in the area foreseen for treatment dur-ing the last 12 weeks
  • Treatment with systemic corticosteroids during the last 2 weeks
  • Planned concomitant treatment of the same AK lesions during the study in addition to study treatment
  • Other skin diseases in the area of application which might interfere with clinical signs
  • Known predisposition for hypertrophic scarring / keloidosis
  • Primary or secondary immunodeficiency
  • Treatment with interferons, interferon inducers or immunomodulators during the last 4 weeks
  • Pregnancy and lactation
  • +6 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (6)

Dermatologisches Zentrum

Bonn, 53111, Germany

Location

Hautzentrum Dülmen

Dülmen, 48249, Germany

Location

Hautärztliche Praxis

Friedrichshafen, 88045, Germany

Location

Hautzentrum Nymphenburg

München, 80639, Germany

Location

Haut- und Laserzentrum Potsdam

Potsdam, 14469, Germany

Location

Hautarzt-Praxis

Stuttgart, 70190, Germany

Location

MeSH Terms

Conditions

Keratosis, Actinic

Condition Hierarchy (Ancestors)

Precancerous ConditionsNeoplasmsKeratosisSkin DiseasesSkin and Connective Tissue Diseases

Study Officials

  • Dietrich Abeck, Prof.

    Professor of dermatology and allergology

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 16, 2019

First Posted

July 18, 2019

Study Start

October 17, 2017

Primary Completion

August 25, 2019

Study Completion

August 25, 2019

Last Updated

October 22, 2019

Record last verified: 2019-10

Locations