E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
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E.1.1.1 | Medical condition in easily understood language |
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E.1.1.2 | Therapeutic area | Diseases [C] - Skin and Connective Tissue Diseases [C17] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 19.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10000614 |
E.1.2 | Term | Actinic keratosis |
E.1.2 | System Organ Class | 10040785 - Skin and subcutaneous tissue disorders |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To confirm the efficacy of LEO 43204 gel (0.037% for scalp) in AK when applied topically once daily for three consecutive days as field treatment |
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E.2.2 | Secondary objectives of the trial |
To evaluate the safety of LEO 43204 gel (0.037% for scalp) in AK when applied topically once daily for three consecutive days as field treatment
To evaluate the long term efficacy of LEO 43204 gel (0.037% for scalp) in AK in an extended 12-month follow-up period after initial complete clearance at Week 8 |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Signed and dated informed consent has been obtained.
2. Subjects with 5 to 20 clinically typical, visible and discrete AKs within a treatment area of sun-damaged skin on the full balding scalp (the balding part of the scalp should be greater than 25 cm2 (4 in2) and up to approximately 250 cm2 (40 in2).
3. For subjects with a treatment area greater than or equal to 50 cm2 (8 in2) a tracking area of 50 cm2 (8 in2), with a minimum of 3 clinically typical, visible and discrete AKs, will be identified. The tracking area must be within the treatment area. If the treatment area is less than 50 cm2, the tracking area will be reduced and will be the same as the treatment
area.
4. Subjects at least 18 years of age.
5. Female subjects of childbearing potential1 must be confirmed not pregnant by a negative urine pregnancy test prior to trial treatment.
Female subjects are considered of childbearing potential unless they have been hysterectomised or have undergone tubal ligation or have been post-menopausal for at least one year prior to first visit.
6. Female subjects of child-bearing potential must be willing to use effective contraception
at trial entry and until Visit 7.
Effective contraception is defined as follows:
Abstinence (when this is in line with the preferred and usual life style of the subject).
Vasectomised partner (given that the subject is monogamous).
An intrauterine device.
Double barrier method defined as two distinct methods (two actual barrier methods).
Hormonal contraceptive (oral hormonal birth control, oestrogenic vaginal ring, percutaneous contraceptive patches, implants and injectables) for at least one menstrual cycle prior to enrolment |
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E.4 | Principal exclusion criteria |
1. Location of the treatment area (full balding scalp)
within 5 cm of an incompletely healed wound
within 5 cm of a suspected basal cell carcinoma (BCC) or SCC.
2. Previously assigned treatment in this clinical trial or previously participated in a clinical trial in the LEO 43204 programme (presently LP0084-68, LP0084-1013, LP0084-1014, LP0084-1015, LP0084-1148, LP0084-1077, LP0084-1193, LP0084-1194, LP0084-1196).
3. Treatment with ingenol mebutate gel in the treatment area within the last 12 months.
4. Subjects who have received treatment with any non-marketed drug substance (i.e. an agent which has not yet been made available for clinical use following registration) within the last 30 days.
5. Lesions in the treatment area that have: atypical clinical appearance (e.g. hypertrophic, hyperkeratotic or cutaneous horns) and/or, recalcitrant disease (e.g. did not respond to cryotherapy on two previous occasions).
6. History or evidence of skin conditions other than the trial indication that would interfere with the evaluation of the trial medication (e.g. eczema, unstable psoriasis, xeroderma pigmentosum).
7. Use of cosmetic or therapeutic products and procedures which could interfere with the assessments of the treatment area.
8. Clinical diagnosis/history or evidence of any medical condition that would expose a subject to an undue risk of a severe AE or interfere with assessments of safety and efficacy during the course of the trial, as determined by the investigator's clinical judgement.
9. Any abnormal laboratory tests that are clinically significant and would impact the safety of the subjects or the interpretation of the study results, as determined by the investigator.
10. Subjects known to be infected with Human Immunodeficiency Virus (HIV).
11. Subjects with any hematological malignancies.
12. Male subjects with QTcF interval > 450 ms and female subjects with QTcF interval > 470 ms). Other abnormal ECG findings that are clinically significant and would impact the safety of the subjects or the interpretation of the study results, as determined by the investigator. The QTcF intervals are not relevant for subjects with cardiac pacemaker.
13. Known sensitivity or allergy to any of the component(s) of the IP.
14. Presence of acute sunburn within the treatment area.
15. Current participation in any other interventional clinical trial.
16. Female subjects who are breastfeeding.
17. Subjects who in the opinion of the investigator, are unlikely to comply with the clinicaltrial protocol (e.g. due to alcoholism, drug dependency or psychotic state).
18. Close affiliation with the investigator (e.g. a close relative) or persons working at the trialsites or subject is an employee of the sponsor.
Prohibited Therapies and/or Medications within 2 weeks prior to Visit 2/Day 1:
19. Cosmetic or therapeutic procedures (e.g. use of liquid nitrogen, surgical excision,curettage, dermabrasion, medium or greater depth chemical peel, laser resurfacing): within 2 cm of the treatment area.
20. Use of topical keratolytic therapeutic products (e.g. alpha- and beta- hydroxy acids, including glycolic acid, lactic acid and other fruit acids, salicylic acid, topical retinoids, urea or light chemical peels): within 2 cm of the treatment area.
21. Use of topical medicated creams, ointments, lotions, gels, foams or sprays (including topical steroids and topical methotrexate): within 2 cm of the treatment area; artificial tanners: within 5 cm of the treatment area.
Note: non-medicated/non-irritant lotions/creams/sunscreens are acceptable on the treatment area until within 3 days of Visit 2/Day 1.
Prohibited Therapies and/or Medications: within 4 weeks prior to Visit 2/Day 1:
22. Treatment with systemic chemotherapeutic antineoplastic therapy.
23. Treatment with systemic medications that suppress the immune system (e.g. cyclosporine,prednisone). Note: inhaled, nasal, intra-articular, ophthalmic and intra-auricular corticosteroids are permitted.
24. Treatment/therapy with ultraviolet light A (UVA) or ultraviolet light B (UVB).
25. Treatment with imiquimod or photodynamic therapy (PDT) within 2 cm of the treatment area. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Complete clearance at Week 8, defined as no clinically visible AKs in the treatment area |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
-Partial clearance at Week 8, defined as at least 75% reduction in the number of clinically
visible AKs in the treatment area
-Partial clearance at Week 4, defined as at least 75% reduction in the number of clinically
visible AKs in the treatment area
-Percent reduction in AK count in the treatment area at Week 8 compared to baseline |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 4 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 6 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Canada |
France |
United Kingdom |
United States |
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E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 1 |
E.8.9.1 | In the Member State concerned months | 4 |
E.8.9.1 | In the Member State concerned days | 9 |
E.8.9.2 | In all countries concerned by the trial years | 1 |
E.8.9.2 | In all countries concerned by the trial months | 8 |
E.8.9.2 | In all countries concerned by the trial days | 17 |