Efficacy and Safety of LEO 90100 Foam in Japanese Subjects With Psoriasis Vulgaris

Key Inclusion Criteria:

1. Signed and dated informed consent obtained

2. Japanese subjects

3. Aged 20 years or above

4. Clinical diagnosis of psoriasis vulgaris amenable to topical treatment of less thanor equal to 30% BSA (excluding psoriasis on the face/genitals/skin folds).

5. A target psoriasis lesion of at least mild severity on the body of a minimum size of 10 cm2 and scoring at least 2 (mild) for each of the clinical signs). The lesionmust not be on the scalp, face, genitals or skin folds.

6. Women of childbearing potential must have a negative pregnancy test at Day 1 andagree to use an adequate methods of birth control during the trial.

7. Able to communicate with the (sub)investigator and understand and comply with therequirements of the trial.

Key Exclusion Criteria:

1. Systemic use of biological treatments with a potential effect on psoriasis vulgariswithin the specified time periods prior to randomisation (depending on treatment)

2. Systemic treatments with all therapies other than biological treatments with apotential effect on psoriasis vulgaris within 4 weeks prior to randomisation

3. PUVA therapy, UVB therapy or UVA therapy on the full body or on the target lesionwithin 4 weeks prior to randomisation

4. Topical treatment of psoriasis on the areas to be treated with trial medicationwithin 2 weeks prior to randomisation

5. Topical treatment of psoriasis on the face, genitals or skin folds with vitamin D3analogues, potent corticosteroids or immunosuppressants within 2 weeks prior torandomisation

6. Topical treatment of conditions other than psoriasis with vitamin D3 analogues,potent corticosteroids or immunosuppressants within 2 weeks prior to randomisation

7. Initiation or changes of medication that may affect psoriasis vulgaris during thetrial

8. Patients with certain disorders or symptoms present on the areas to be treated withtrial medication: viral lesions of the skin, infections, skin manifestations, orfragility of skin veins

9. Other inflammatory skin diseases that may confound the evaluation of psoriasisvulgaris

10. Erythrodermic, exfoliative or pustular psoriasis on the areas to be treated withtrial medication

11. Planned excessive exposure of areas to be treated with trial medication to eithernatural or artificial sunlight during the trial.

12. Disorders of calcium metabolism

13. Severe renal insufficiency, severe hepatic disorders or severe heart disease

14. Hypersensitivity to any components of the investigational medicinal products.

15. Cushing's disease or Addison's disease

16. Subjects who have received treatment with any non-marketed drug substance within the 4 weeks prior to randomisation, or longer if for certain biological treatments

17. History of cancer within the last 5 years (except completely cured skin cancer)

18. Current participation in any other interventional clinical trial

19. Previously randomised in this trial

20. Women who are pregnant, wishing to become pregnant or are breast-feeding

21. Chronic alcohol or drug abuse within 12 months prior to screening, or any conditionassociated with poor compliance

22. Employees of the trial site or any other individuals directly involved with theplanning or conduct of the trial, or immediate family members of such individuals