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LEO Pharma clinical trials
The registry lists 254 studies whose lead sponsor is LEO Pharma or one of 1 company grouped under it. 5 are recruiting or about to start. Per ClinicalTrials.gov, last updated Oct 23, 2026.
Keep track of what changes. Save the LEO Pharma studies recruiting or about to start, and get an email each week — studies that open, close, add sites or post results.
Watch these studiesRegistry sponsor names on this page
Each name exactly as ClinicalTrials.gov lists it, and how it relates to LEO Pharma.
- LEO Pharma225 studiesSame company
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- 29 studies →
Focus areas
Conditions LEO Pharma leads ten or more studies in, by study count. A broader condition is left out when almost all its studies are already in a narrower one listed here.
Studies
Recruiting first, then most recently updated. Showing 50 of 254. Browse all 254 →
- A Study to Test Whether Spesolimab Helps People With a Skin Condition Called Pyoderma GangrenosumRecruitingNCT06624670Phase 3
- A 52-Week Trial to Investigate the Efficacy and Safety of Delgocitinib Cream in Adult Participants With Lichen SclerosusRecruitingNCT07335588Phase 3
- A 16-week Trial to Investigate the Efficacy and Safety of Delgocitinib Cream 20 mg/g in Adult Participants With Mild to Severe Palmoplantar PustulosisRecruitingNCT07013201Phase 2
- A Trial to Evaluate the Efficacy and Safety of Tralokinumab in Combination With Topical Corticosteroids in Children and Infants With Moderate-to-severe Atopic DermatitisRecruitingNCT06311682Phase 3
- Real-World Evidence: Effectiveness and Safety of Chronic Hand Eczema Treatment With Delgocitinib CreamEnrolling by invitationNCT07603193
- A 32-week Trial to Evaluate the Efficacy and Safety of Tralokinumab in Subjects With Moderate-to-severe Atopic Hand Eczema Who Are Candidates for Systemic TherapyCompletedNCT05958407Phase 3
- A Study to Test Whether Spesolimab Helps People With Generalized Pustular Psoriasis (GPP) Who Need Treatment for Repeated FlaresActive, not recruitingNCT06013969Phase 4
- Effisayil™ ON: A Study to Test Long-term Treatment With Spesolimab in People With Generalized Pustular Psoriasis Who Took Part in a Previous StudyActive, not recruitingNCT03886246Phase 2
- Efficacy and Safety of Delgocitinib Cream in Adolescents 12-17 Years of Age With Moderate to Severe Chronic Hand EczemaCompletedNCT05355818Phase 3
- The ASCEND Study: Evaluating TMB-001 in the Treatment of RXLI or ARCI IchthyosisCompletedNCT05295732Phase 3
- A Vehicle Controlled Study to Evaluate Safety and Efficacy of Topical TMB-001 for Treatment of Congenital IchthyosisCompletedNCT04154293Phase 2
- Tralokinumab Monotherapy for Children With Moderate-to-severe Atopic Dermatitis - TRAPEDS 1 (TRAlokinumab PEDiatric Trial no. 1)CompletedNCT05388760Phase 2
- A Study to Evaluate Efficacy, Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of a Single Dose of LEO 158968CompletedNCT06444867Phase 1
- Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics After Single and Multiple Doses of LEO 142397 in Healthy People, Including JapaneseWithdrawnNCT03995550Phase 1
- Proof of Concept, Twice Daily Applications of LEO 124249 Ointment in the Treatment of Chronic Hand EczemaCompletedNCT02664805Phase 2
- Tacrolimus Blood Levels After Topical Application of Tacrolimus on Healthy SkinCompletedNCT03673527Phase 1
- Clinical Trial to Evaluate Light-induced Skin Reactions After Application of Delgocitinib CreamCompletedNCT04361136Phase 1
- Investigating the Safety of LEO 158968 in Healthy VolunteersCompletedNCT05682352Phase 1
- A Trial to Evaluate the Effect of Delgocitinib on the Heart Rhythm of Healthy PeopleCompletedNCT05050279Early Phase 1
- Clinical Trial to Evaluate UV-light-induced Allergic Skin Reactions After Application of Delgocitinib CreamCompletedNCT04807751Phase 1
- A Single and Multiple Ascending-dose Trial of LEO 153339 in Healthy AdultsCompletedNCT04883333Phase 1
- A Trial to Compare the Pharmacokinetics of Tralokinumab in Healthy SubjectsCompletedNCT04674826Phase 1
- Adjusted Brodalumab Dose Compared With Standard Brodalumab Dose in Subjects With Moderate-to-severe Plaque Psoriasis and ≥120 kg Body WeightCompletedNCT04306315Phase 4
- A Study to Investigate Efficacy and Safety With LEO 90100 Compared With Daivobet® Ointment in Adult Chinese Subjects With Stable Plaque PsoriasisCompletedNCT05919082Phase 3
- A Trial to Evaluate the Efficacy and Safety of Different Doses of LEO 138559 in Adults With Moderate-to-severe Atopic DermatitisCompletedNCT05923099Phase 2
- A Trial to Evaluate Efficacy, Safety, and Pharmacokinetics of Delgocitinib Cream in Chinese Adults and Adolescents With Moderate to Severe Chronic Hand EczemaCompletedNCT06004050Phase 3
- A 24 Week Trial to Compare the Efficacy and Safety of Delgocitinib Cream 20 mg/g Twice-daily With Alitretinoin Capsules Once-daily in Adult Participants With Severe Chronic Hand EczemaCompletedNCT05259722Phase 3
- Efficacy and Safety of Delgocitinib Cream in Adults With Moderate to Severe Chronic Hand Eczema (DELTA 2)CompletedNCT04872101Phase 3
- Open-label Multi-site Extension Trial in Subjects Who Completed the DELTA 1 or DELTA 2 TrialsCompletedNCT04949841Phase 3
- Efficacy and Safety of Delgocitinib Cream in Adults With Moderate to Severe Chronic Hand EczemaCompletedNCT04871711Phase 3
- Pharmacokinetics of Delgocitinib 20 mg/g Cream in Subjects With Chronic Hand EczemaCompletedNCT05486117Phase 1
- Efficacy and Safety of Brodalumab in Adolescents From 12 to 17 Years of Age With Moderate-to-severe Plaque PsoriasisTerminatedNCT04305327Phase 3
- Efficacy and Safety of Brodalumab Compared With Guselkumab in the Treatment of Plaque Psoriasis After Inadequate Response to UstekinumabTerminatedNCT04533737Phase 4
- Safety and Efficacy of Ingenol Mebutate Once Daily for 2 or 3 Consecutive Days in Subjects With Actinic KeratosisCompletedNCT01820260Phase 1/2
- The Pharmacokinetics of 2% TD1414 Cream in Adults With Secondarily Infected Traumatic Lesions (SITL) or ImpetigoCompletedNCT00758862Phase 2
- A Trial Comparing the Efficacy of Subcutaneous Injections of Brodalumab to Oral Administrations of Fumaric Acid Esters in Adults With Moderate to Severe Plaque PsoriasisCompletedNCT03331835Phase 4
- Efficacy and Safety of LEO 43204 in Field Treatment of Actinic Keratosis on Balding Scalp Including 12-month Follow-upCompletedNCT02549352Phase 3
- An Evaluation of LEO 138559 in Adults With Moderate to Severe Atopic Dermatitis.CompletedNCT04922021Phase 2
- Efficacy and Safety of Xamiol® Gel Compared to Calcipotriol Scalp Solution in Patients With Scalp PsoriasisCompletedNCT01195831Phase 3
- A Plaque Test Comparing the Anti-psoriatic Effect of Marketed Products for Topical Use for Psoriasis VulgarisCompletedNCT00845481Phase 2
- LEO 90105 Ointment in Japanese Subjects With PsoriasisCompletedNCT01422434Phase 3
- Dose-ranging Trial to Evaluate Delgocitinib Cream 1, 3, 8, and 20 mg/g Compared to Delgocitinib Cream Vehicle Over an 8-week Treatment Period in Adult Subjects With Atopic Dermatitis.CompletedNCT03725722Phase 2
- The Pharmacokinetics of LEO 90105 (Calcipotriol Hydrate Plus Betamethasone Dipropionate) in Japanese Subjects With Extensive Psoriasis VulgarisCompletedNCT01768013Phase 1/2
- Efficacy, Safety, and Tolerability of TD1414 2% Cream in Impetigo and Secondarily Infected Traumatic Lesions (SITL)CompletedNCT00626795Phase 2
- Phase 2b Dose-ranging Trial to Evaluate Delgocitinib Cream 1, 3, 8, and 20 mg/g Compared to Delgocitinib Cream Vehicle Over a 16-week Treatment Period in Adult Subjects With Chronic Hand EczemaCompletedNCT03683719Phase 2
- Safety and Efficacy of TACLONEX Ointment in Adolescent Patients (Aged 12 to 17 Years) With Psoriasis VulgarisCompletedNCT00817219Phase 2
- A Plaque Test Study With LEO 35299 in Psoriasis VulgarisCompletedNCT01580488Phase 1
- A Psoriasis Plaque Test With LEO 29102 Cream and Its Combination ProductsCompletedNCT00875277Phase 2
- A Trial to Compare the Incidence of Squamous Cell Carcinoma (SCC) and Other Skin Neoplasia on Skin Areas Treated With Ingenol Disoxate Gel or Vehicle Gel for Actinic Keratosis on Face and Chest or ScalpTerminatedNCT03115476Phase 3
- Efficacy and Safety of Tralokinumab Administered by an Autoinjector in Adults and Adolescents With Moderate to Severe Atopic Dermatitis (INJECZTRA)CompletedNCT05194540Phase 3