Roflumilast Clinical Trials (2026): 119 Studies for COPD & Chronic Obstructive Pulmonary Disease

Hipa.ai Research · Source: ClinicalTrials.gov / AACT

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119 Roflumilast clinical trials are catalogued on Hipa.ai from the AACT mirror of ClinicalTrials.gov, spanning 66 indications (including COPD & Chronic Obstructive Pulmonary Disease) and 173,452 total planned enrollment. 36 Phase 3 Roflumilast trials and 38 Phase 2, 19 Phase 4 are listed. 14 Roflumilast clinical trials are actively recruiting at 9 U.S. sites across 4 states. Most recent activity: NCT06643221 (May 2031).

Where to Participate: All Roflumilast Trial Sites in the U.S. (9 sites across 4 states)

Every actively recruiting Roflumilasttrial site, sorted by state then city. Each row links to the trial detail page (eligibility, contacts, full study record). Sites no longer enrolling at the location level are excluded. ClinicalTrials.gov / AACT does not provide street-level addresses; the map link uses the facility's geocoded coordinates where available.

StateFacilityCityTrialMap
AZThe University of ArizonaTucson85719NCT06643221Map
LALakeview HospitalCovington70433NCT07077902Map
LALakeside HospitalNew Orleans70001NCT07077902Map
LALCMC Multi-speciality ClinicNew Orleans70112NCT07077902Map
LAUniversity Medical CenterNew Orleans70112NCT07077902Map
MABeth Israel Deaconess Medical CenterBoston02215NCT07263230Map
TXDerm TexasDallas75235NCT07105254Map
TXUniversity Hospital SystemSan Antonio78228NCT06977711Map
TXUniversity of Texas Health Science Center San Antonio at the Cancer Therapy and Research CenterSan Antonio78229NCT06977711Map

Roflumilast clinical trials at a glance: phase × recruitment status

Phaserecruitingactive not recruitingcompletedterminatedwithdrawnnot yet recruitingunknownTotal
Early P11113
P11161211
P1/P23115
P26119522338
P2/P333
P32321136
P4122519
N/A314

Recruiting Roflumilast clinical trials (14)

Studies currently enrolling participants. Click any NCT ID to view the trial detail page (eligibility, sites, contacts).

NCT IDTitlePhaseIndicationEnrollmentStarted
NCT06643221Allo-XExercise as an Immune Adjuvant for Allogeneic Cell TherapiesEarly P1Leukemia200Jan 2018
NCT07352566Utilization of a Microdevice for Psoriasis and Atopic DermatitisP4Psoriasis10Aug 2026
NCT07263230The Safety and Efficacy of Roflumilast Foam in HSP2Hidradenitis Suppurativa (HS)20Apr 2026
NCT07314242A Study to Investigate the Biomarkers of Hemay005 in Adult Participants With Moderate to Severe COPDP2COPD (Chronic Obstructive Pulmonary Disease)120Jan 2026
NCT07560618Obtaining Descriptive Classifications of Pruritus and Assessing Change in Pruritus Over Time in Atopic Dermatitis Patients Using Topical Roflumilast Cream.P4ITCH40Apr 2026
NCT06860958Roflumilast as an Adjunct to Antidepressants in Major Depressive Disorder PatientsP3Depressive Disorder, Major60Mar 2025
NCT07566351Effect of Roflumilast and Desloratadine as Add-On Therapy in Patients With Rheumatoid ArthritisP2Rheumatoid Arthritis90Apr 2026
NCT07077902A Study for Evaluating Safety & Efficacy of Topical Roflumilast 0.3% Foam in Hidradenitis SuppurativaP2Hidradenitis Suppurativa10Sep 2025
NCT07543640EFFICACY OF ROFLUMILAST IN THE TREATMENT OF FLEXURAL AND/OR GENITAL PSORIASIS: A RANDOMIZED CONTROLLED TRIAL.P2Flexural Psoriasis (Also Known as Inverse or Intertriginous Psoriasis) and Genital Psoriasis56Apr 2026
NCT06977711DLBCLLoncastuximab and Roflumilast Added to R-CHOP (Lo-(Rituximab and Roflumilast) RR-CHOP) for Naïve High-Risk Diffuse Large B-cell Lymphoma (DLBCL)P1Diffuse Large B-cell Lymphoma10Jun 2025
NCT07105254NSVAn Open-label Single Center, Proof of Concept Study Evaluating the Efficacy of Roflumilast Foam 0.3% in Pediatric Patients With Non-Segmental Vitiligo (NSV)P2Non-segmental Vitiligo20Aug 2025
NCT07297602ROFLU-AD12Evaluation of Efficacy and Safety of Oral Roflumilast for Treatment of Moderate to Severe Atopic Dermatitis in Patients Aged 12 Years and Older: A Pilot StudyP2Atopic Dermatitis36Nov 2025
NCT07233291PSOROFLUA Pilot Study to Assess How Safe and Effective Oral Roflumilast is for Treating Moderate to Severe Psoriasis in AdultsP2Psoriasis (PsO)36Aug 2025
NCT06648772Efficacy and Safety of Roflumilast Cream 0.3% in Subjects With Plaque Psoriasis: a Phase 3 StudyP3Plaque Psoriasis189Nov 2024

Roflumilast clinical trials by indication

Chronic Obstructive Pulmonary Disease (13)

NCTAcronymPhaseStatusTitle
NCT04636814PILLARP3terminatedA 52-week, Placebo- and Active- Controlled (Roflumilast, Daliresp® 500µg) Study to Evaluate the Efficacy and Safety of Two Doses of CHF6001 DPI (Tanimilast) as add-on to Maintenance Triple Therapy in Subjects With COPD and Chronic Bronchitis. (PILLAR)
NCT02671942P2terminatedA Multicenter Randomized Double-blind Clinical Study Evaluated the Safety, Pharmacokinetic and Pharmacodynamic Characteristics of Roflumilast in COPD Patients
NCT02068456N/AcompletedPost Marketing Surveillance of Roflumilast in Korea
NCT01745848P4completedRoflumilast on Markers of Bone Metabolism and Endothelial Function in COPD
NCT02018432P4unknownStrategy to Improve Adherence of Roflumilast
NCT01701934RAMBOP2terminatedImpact of Roflumilast on Visceral Adiposity and Metabolic Profile in Chronic Obstructive Pulmonary Disease
NCT01329029REACTP4completedRoflumilast in Chronic Obstructive Pulmonary Disease (COPD) Patients Treated With Fixed Combinations of Long-acting β2-agonists (LABA) and Inhaled Glucocorticosteroid (ICS)
NCT01595750REVASCP4unknownRandomized, Double-blind, Placebo-controlled Study to Evaluate the Effect of Roflumilast on Endothelial Function in Patients With Chronic Obstructive Pulmonary Disease
+ 5 more, see All trials below.

COPD (11)

NCTAcronymPhaseStatusTitle
NCT03381573N/AcompletedLong-term Observational Study of the Safety of Roflumilast
NCT01973998P3completedEffects of Roflumilast in Hospitalized Chronic Obstructive Pulmonary Disease( COPD) on Mortality and Re-hospitalization
NCT02340520P3completedEnhancement of Corticosteroid Efficacy in COPD
NCT01509677P3completedTrial to Assess the Anti-inflammatory Effects of Roflumilast in Chronic Obstructive Pulmonary Disease
NCT01443845COPDP4completedRoflumilast in Chronic Obstructive Pulmonary Disease (COPD) Patients Treated With Fixed Dose Combinations of Long-acting β2-agonist (LABA) and Inhaled Corticosteroid (ICS)
NCT02097992P1/P2completedEffect of Roflumilast on Airway Blood Flow as an Expression of Airway Inflammation in COPD
NCT03073798P4completedThe Effectiveness of Roflumilast in Improving Mucociliary Clearance in Patients With COPD and Chronic Bronchitis
NCT01572948COPDN/AcompletedA Placebo-controlled Trial of Daliresp on Chronic Obstructive Pulmonary Disease (COPD)
+ 3 more, see All trials below.

Asthma (7)

NCTAcronymPhaseStatusTitle
NCT04108377P1terminatedPhosphodiesterase 4 Inhibitor, Roflumilast, and the Effects of Inhibition in Severe Asthma
NCT03532490TRIMP2completedTrial of Roflumilast in Asthma Management (TRIM)
NCT01765192P2completedRoflumilast Plus Montelukast in Adults With Severe Asthma
NCT00163527P3completedEfficacy and Safety of Oral Roflumilast Taken With Low Dose Inhaled Corticosteroids in Patients With Asthma (12 to 70 y) (BY217/M2-013)
NCT00163475P3completedEfficacy and Safety of Roflumilast Taken in the Morning or Evening in Patients With Stable Asthma (12 to 70 y) (BY217/M2-015)
NCT00076076P3completedThe FLASH Study: A Study of Roflumilast Versus Placebo in Patients With Asthma (BY217/M2-023)
NCT00073177P3completedEfficacy and Safety of Roflumilast in Patients With Asthma (BY217/M2-012)

Chronic Obstructive Pulmonary Disease (COPD) (7)

NCTAcronymPhaseStatusTitle
NCT02165826OPTIMIZEP3completedEvaluation of Tolerability and Pharmacokinetics of Roflumilast, 250μg and 500μg, as add-on to Standard COPD Treatment to Treat Severe COPD
NCT01849341ROFLU2011P4completedRoflumilast Safety Administered Once a Day on Alternate Days for Two Weeks Compared to the Usual Dosage Once Daily
NCT00297102COPDP3completedEffect of Roflumilast on Exacerbation Rate in Patients With Chronic Obstructive Pulmonary Disease (COPD): The AURA Study (BY217/M2-124)
NCT00297115COPDP3completedEffect of Roflumilast on Exacerbation Rate in Patients With Chronic Obstructive Pulmonary Disease (COPD): The HERMES Study (BY217/M2-125)
NCT00313209EOSP3completedEffect of Roflumilast on Lung Function in Chronic Obstructive Pulmonary Disease (COPD) Patients Treated With Salmeterol: The EOS Study (BY217/M2-127)
NCT00246935APTA-2217-08P3completedLong-term Study of Safety and Efficacy of Roflumilast in Japanese Patients Older Than 40 Years With Chronic Obstructive Pulmonary Disease (APTA-2217-08)
NCT00242294APTA-2217-06P2/P3completedEfficacy and Safety of Roflumilast in Japanese Patients Older Than 40 Years With Chronic Obstructive Pulmonary Disease (APTA-2217-06)

Plaque Psoriasis (6)

NCTAcronymPhaseStatusTitle
NCT06648772P3recruitingEfficacy and Safety of Roflumilast Cream 0.3% in Subjects With Plaque Psoriasis: a Phase 3 Study
NCT05763082P3completedBioequivalence Study of Two Treatments for the Treatment of Plaque Psoriasis
NCT03764475P2completedLong-Term Safety of ARQ-151 Cream in Adult Subjects With Chronic Plaque Psoriasis
NCT04128007P2completedSafety and Efficacy of ARQ-154 Foam in Adolescent and Adult Subjects With Scalp and Body Psoriasis
NCT03638258ARQ-151-201P2completedThe Safety, Efficacy and Pharmacokinetics of ARQ-151 Cream in Subjects With Chronic Plaque Psoriasis
NCT00746434P2withdrawnA Proof of Concept Study With 0.5% Roflumilast Cream in Patients With Mild to Moderate Plaque Psoriasis

Psoriasis (3)

NCTAcronymPhaseStatusTitle
NCT07352566P4not yet recruitingUtilization of a Microdevice for Psoriasis and Atopic Dermatitis
NCT05684744P2/P3completedRoflumilast Versus Methotrexate in Psoriasis
NCT04549870PSORROP2completedEfficacy of Roflumilast in the Treatment of Psoriasis

Atopic Dermatitis (3)

NCTAcronymPhaseStatusTitle
NCT07297602ROFLU-AD12P2recruitingEvaluation of Efficacy and Safety of Oral Roflumilast for Treatment of Moderate to Severe Atopic Dermatitis in Patients Aged 12 Years and Older: A Pilot Study
NCT03916081P2completedSafety and Efficacy of ARQ-151 Cream in Adolescents and Adults With Atopic Dermatitis
NCT01856764P2completedTopical Roflumilast in Adults With Atopic Dermatitis

Atopic Dermatitis Eczema (3)

NCTAcronymPhaseStatusTitle
NCT04845620P3completedTrial of PDE4 Inhibition With Roflumilast for the Management of Atopic Dermatitis (Integument-PED)
NCT04773600INTEGUMENT-IIP3completedTrial of PDE4 Inhibition With Roflumilast for the Management of Atopic Dermatitis (INTEGUMENT-II)
NCT04773587INTEGUMENT-IP3completedTrial of PDE4 Inhibition With Roflumilast for the Management of Atopic Dermatitis

Lymphoma, B-Cell (2)

NCTAcronymPhaseStatusTitle
NCT05796271P1withdrawnClinical Trial of Roflumilast Added to Standard Chemoimmunotherapy
NCT03458546P1completedStudy of Roflumilast in Combination With Standard Chemotherapy for High-risk Diffuse Large B-cell Lymphoma

Seborrheic Dermatitis (2)

NCTAcronymPhaseStatusTitle
NCT04973228ARQ-154P3completedTrial of PDE4 Inhibition With Roflumilast (ARQ-154) Foam 0.3% for the Management of Seborrheic Dermatitis (STRATUM)
NCT04091646P2completedSafety and Efficacy of ARQ-154 Foam in Subjects With Seborrheic Dermatitis

Obesity (2)

NCTAcronymPhaseStatusTitle
NCT04800172P3completedThe Possible Effects of Roflumilast on Obesity Related Disorders
NCT01862029P1/P2completedEffects of Roflumilast on Insulin and Blood Sugar Levels in Prediabetic Overweight and Obese Individuals

Non-cystic Fibrosis Bronchiectasis (2)

NCTAcronymPhaseStatusTitle
NCT04322929P2completedRoflumilast in Non-CF Bronchiectasis Study (2019)
NCT03428334P2completedRoflumilast in Non-CF Bronchiectasis Study

Chronic Plaque Psoriasis (2)

NCTAcronymPhaseStatusTitle
NCT04286607DERMIS-OLEP3completedOpen-Label Extension Trial of PDE4 Inhibition With Roflumilast for the Management of Plaque Psoriasis
NCT04211363DERMIS-1P3completedTrial of PDE4 Inhibition With Roflumilast for the Management of Plaque Psoriasis

Pulmonary Disease, Chronic Obstructive (2)

NCTAcronymPhaseStatusTitle
NCT02451540P2terminatedEvaluation of the Effect of Roflumilast in Hyperinflated COPD Patients Using Functional Respiratory Imaging
NCT01480661P4completedEvaluation With CT Scan of Possible Changes in Airways After Treatment With Daxas® in Severe Chronic Obstructive Pulmonary Disease Patients

PCOS (2)

NCTAcronymPhaseStatusTitle
NCT02187250P4completedPDE-4 Inhibitor Roflumilast and GLP-1 Agonist Liraglutide in Polycystic Ovary Syndrome
NCT02037672P4completedPDE-4 Inhibitor Roflumilast and Polycystic Ovary Syndrome

Bronchial Asthma (2)

NCTAcronymPhaseStatusTitle
NCT00246922APTA-2217-07P3completedLong-term Study of Safety and Efficacy of Roflumilast in Japanese Patients With Bronchial Asthma (20 to 71 y) (APTA-2217-07).
NCT00242307APTA-2217-05P2/P3completedEfficacy and Safety of Roflumilast in Japanese Patients With Bronchial Asthma (20 to 70 y) (APTA-2217-05).

ITCH (1)

NCTAcronymPhaseStatusTitle
NCT07560618P4not yet recruitingObtaining Descriptive Classifications of Pruritus and Assessing Change in Pruritus Over Time in Atopic Dermatitis Patients Using Topical Roflumilast Cream.

Rheumatoid Arthritis (1)

NCTAcronymPhaseStatusTitle
NCT07566351P2recruitingEffect of Roflumilast and Desloratadine as Add-On Therapy in Patients With Rheumatoid Arthritis

Flexural Psoriasis (Also Known as Inverse or Intertriginous Psoriasis) and Genital Psoriasis (1)

NCTAcronymPhaseStatusTitle
NCT07543640P2not yet recruitingEFFICACY OF ROFLUMILAST IN THE TREATMENT OF FLEXURAL AND/OR GENITAL PSORIASIS: A RANDOMIZED CONTROLLED TRIAL.

Hidradenitis Suppurativa (HS) (1)

NCTAcronymPhaseStatusTitle
NCT07263230P2recruitingThe Safety and Efficacy of Roflumilast Foam in HS

COPD (Chronic Obstructive Pulmonary Disease) (1)

NCTAcronymPhaseStatusTitle
NCT07314242P2not yet recruitingA Study to Investigate the Biomarkers of Hemay005 in Adult Participants With Moderate to Severe COPD

Hidradenitis Suppurativa (1)

NCTAcronymPhaseStatusTitle
NCT07077902P2recruitingA Study for Evaluating Safety & Efficacy of Topical Roflumilast 0.3% Foam in Hidradenitis Suppurativa

Psoriasis (PsO) (1)

NCTAcronymPhaseStatusTitle
NCT07233291PSOROFLUP2recruitingA Pilot Study to Assess How Safe and Effective Oral Roflumilast is for Treating Moderate to Severe Psoriasis in Adults

Non-segmental Vitiligo (1)

NCTAcronymPhaseStatusTitle
NCT07105254NSVP2recruitingAn Open-label Single Center, Proof of Concept Study Evaluating the Efficacy of Roflumilast Foam 0.3% in Pediatric Patients With Non-Segmental Vitiligo (NSV)

Diffuse Large B-cell Lymphoma (1)

NCTAcronymPhaseStatusTitle
NCT06977711DLBCLP1recruitingLoncastuximab and Roflumilast Added to R-CHOP (Lo-(Rituximab and Roflumilast) RR-CHOP) for Naïve High-Risk Diffuse Large B-cell Lymphoma (DLBCL)

Depressive Disorder, Major (1)

NCTAcronymPhaseStatusTitle
NCT06860958P3recruitingRoflumilast as an Adjunct to Antidepressants in Major Depressive Disorder Patients

Alopecia (1)

NCTAcronymPhaseStatusTitle
NCT07174011AAP4completedEvaluation of the Efficacy and Safety of Oral Roflumilast Versus Intralesional Corticosteroids Injection (ILCs) in the Treatment of Alopecia Areata

Atopic Dermatitis (AD) (1)

NCTAcronymPhaseStatusTitle
NCT06631170P3completedEfficacy and Safety of Roflumilast Cream in Subjects With Atopic Dermatitis

Other Conditions of Brain (1)

NCTAcronymPhaseStatusTitle
NCT06457191P1active not recruitingRoflumilast and TMS Motor Plasticity

Healthy Skin (1)

NCTAcronymPhaseStatusTitle
NCT06440473P4unknownVisualization of Topical Zoryve vs. Vehicle Using Line Field Optical Coherence Tomography in Healthy Skin

Chronic Hand Eczema (1)

NCTAcronymPhaseStatusTitle
NCT05682859HEROP4unknownTreatment of Chronic Hand Eczema With Oral Roflumilast (HERO)

Peripheral Neuropathy (1)

NCTAcronymPhaseStatusTitle
NCT05884281P1/P2unknownEfficacy of Roflumilast in Prevention of Peripheral Neuropathy

Ulcerative Colitis (1)

NCTAcronymPhaseStatusTitle
NCT05684484P4completedRole of Roflumilast in Ulcerative Colitis

Fragile X Syndrome (1)

NCTAcronymPhaseStatusTitle
NCT05418049P2active not recruitingEvaluating the Neurophysiologic and Clinical Effects of Single Dose Drug Challenge

Type 2 Diabetes (Adult Onset) (1)

NCTAcronymPhaseStatusTitle
NCT05369793P3completedClinical Study Evaluating the Safety and Efficacy of Roflumilast in Type 2 Diabetic Patients With Diabetic Neuropathy

Rosacea (1)

NCTAcronymPhaseStatusTitle
NCT05278624P2completedEvaluation of the Safety and Efficacy of Topical Roflumilast Cream in the Treatment of Facial Papulopustular Rosacea

Non-Alcoholic Steatohepatitis (NASH) (1)

NCTAcronymPhaseStatusTitle
NCT06677788P2completedEvaluating the Efficacy and Safety of Roflumilast in Patients with NASH

Synaptic Plasticity (1)

NCTAcronymPhaseStatusTitle
NCT04369547P1withdrawnRoflumilast TMS-EEG Plasticity

Mild Cognitive Impairment (1)

NCTAcronymPhaseStatusTitle
NCT04658654ROMEMAP2unknownCognitive Effects of Roflumilast in (a)MCI and Mild Dementia Patients

Scalp Psoriasis (1)

NCTAcronymPhaseStatusTitle
NCT05028582ARRECTORP3completedTopical Roflumilast to Treat Scalp and Body Psoriasis (ARRECTOR)

Cerebrovascular Disorders (1)

NCTAcronymPhaseStatusTitle
NCT04854811ROSTMEMAP2completedRoflumilast to Treat Cognitive Sequela After Stroke

Respiratory Distress Syndrome, Adult (1)

NCTAcronymPhaseStatusTitle
NCT04744090P2completedRoflumilast as add-on Therapy in Early Cases of ARDS

Diabetic Nephropathies (1)

NCTAcronymPhaseStatusTitle
NCT04755946P3unknownPossible Role of Roflumilast in Diabetic Nephropathy

Major Depressive Disorder (1)

NCTAcronymPhaseStatusTitle
NCT04751071P1/P2withdrawnThe Phosphodiesterase 4 Inhibitor Roflumilast as an Adjunct to Antidepressants in Major Depressive Disorder Patients

Chronic Obstructive Pulmonary Disease Severe (1)

NCTAcronymPhaseStatusTitle
NCT04069312RELIANCEP4completedRoflumilast or Azithromycin to Prevent COPD Exacerbations (RELIANCE)

Bronchiectasis Adult (1)

NCTAcronymPhaseStatusTitle
NCT03988816P2unknownEffect of Roflumilast on Quality of Life, Lung Function and Mucus Properties in Patients With Bronchiectasis

Bronchiectasis (1)

NCTAcronymPhaseStatusTitle
NCT04090294Early P1unknownAssessment of Early Outcomes of Roflumilast in Patients With Non Cystic Fibrosis Bronchiectasis

Nervous System Disease (1)

NCTAcronymPhaseStatusTitle
NCT02743377PDE4P1/P2completedPET Imaging of Phosphodiesterase-4 (PDE4) in Brain and Peripheral Organs of McCune-Albright Syndrome

Leukemia (1)

NCTAcronymPhaseStatusTitle
NCT06643221Allo-XEarly P1recruitingExercise as an Immune Adjuvant for Allogeneic Cell Therapies

Alzheimer Disease (1)

NCTAcronymPhaseStatusTitle
NCT02835716PCD=OOALZN/AunknownPre-Clinical (Alzheimers) Diagnosis PCD = Optimum Outcomes OO

Exacerbation Copd (1)

NCTAcronymPhaseStatusTitle
NCT04122547P3completedEfficacy of Roflumilast on Exacerbations in Patients With Non-cystic Fibrosis Bronchiectasis

Schizophrenia (1)

NCTAcronymPhaseStatusTitle
NCT02079844P1completedRoflumilast Plus Antipsychotics Proof of Mechanism Study in Schizophrenia

Memory Impairment (1)

NCTAcronymPhaseStatusTitle
NCT02051335P1completedRoflumilast and Donepezil to Reverse Scopolamine Induced Cognitive Deficits in Healthy Adults

Advanced B-cell Lymphoid Malignancies (1)

NCTAcronymPhaseStatusTitle
NCT01888952Early P1completedPhase 0/1 Biomarker and Pharmacodynamic Study of Roflumilast in Patients With Advanced B-Cell Hematologic Malignancies (CTRC# 13-0013)

Nonalcoholic Steatohapatitis (1)

NCTAcronymPhaseStatusTitle
NCT01703260P2terminatedSafety and Efficacy of Roflumilast and Pioglitazone in Treating Adults With Nonalcoholic SteatoHepatitis

Sarcoidosis (1)

NCTAcronymPhaseStatusTitle
NCT01830959REFSP4unknownUse of Roflumilast to Prevent Exacerbations in Fibrotic Sarcoidosis Patients (REFS)

Type 2 Diabetes (1)

NCTAcronymPhaseStatusTitle
NCT01664624P1completedRoflumilast Plus Alogliptin Proof-of-Mechanism Study in Type2 Diabetes

Chronic Obstructive Pulmonary Disease and Allied Conditions (1)

NCTAcronymPhaseStatusTitle
NCT01630200ELASTICP4completedEffects of ROFLUMILAST on Subclinical Atherosclerosis in Chronic Obstructive Pulmonary Disease (COPD)

Symptomatic Bronchiectasis (1)

NCTAcronymPhaseStatusTitle
NCT01580748P2unknownPhase2, Single Group, Open Clinical Trial to Evaluate the Efficacy and Safety of Roflumilast in Symptomatic Bronchiectasis Patients

Chronic Obstructive Pulmonary Disease With (Acute) Exacerbation (1)

NCTAcronymPhaseStatusTitle
NCT01473758TREATP2terminatedEffect of Roflumilast at Acute Exacerbations of Chronic Obstructive Pulmonary Disease

Dementia (1)

NCTAcronymPhaseStatusTitle
NCT01433666EEGroflP2completedRoflumilast and Cognition

Dermatitis (1)

NCTAcronymPhaseStatusTitle
NCT00746382RO-2351-001-EMP2withdrawnA Placebo Controlled 4 Week Proof of Concept Study With 0.5% Roflumilast Cream in Patients With Mild Atopic Dermatitis (RO-2351-001-EM)

Diabetes Mellitus Type 2 (1)

NCTAcronymPhaseStatusTitle
NCT01140542FORTUNAP2completedEfficacy of 500µg Roflumilast Once Daily Versus Placebo Over 12 Weeks in Patients With Diabetes Mellitus Type 2. A Double Blind, Parallel Group, Proof of Concept Clinical Study

Allergic Asthma (1)

NCTAcronymPhaseStatusTitle
NCT01365533P2completedA Study to Evaluate the Effect of Roflumilast on Airway Inflammation and Function Following Allergen Challenge in Subjects With Allergic Asthma

Chronic Obstructive Pulmonary Disease, COPD (1)

NCTAcronymPhaseStatusTitle
NCT00108823P3completedThe HERO-study: Effects of Roflumilast in Patients With COPD (Chronic Obstructive Pulmonary Disease) (BY217/M2-121)

Healthy (1)

NCTAcronymPhaseStatusTitle
NCT00940329P1completedPharmacodynamic/Pharmacokinetic Interactions Between Oral Roflumilast and Inhaled Formoterol

Roflumilast pivotal trial highlights (Phase 2/3/4)

Phase-2/3/4 studies with named acronyms — the registration-grade trials most cited in label discussions and Wikipedia.

AcronymNCTPhaseStatusIndicationEnrollmentPubMed
HERONCT05682859P4unknownChronic Hand Eczema40
RELIANCENCT04069312P4completedChronic Obstructive Pulmonary Disease Severe1,032
AANCT07174011P4completedAlopecia50
REFSNCT01830959P4unknownSarcoidosis50PMID 34744427
ELASTICNCT01630200P4completedChronic Obstructive Pulmonary Disease and Allied Conditions80PMID 32725799
COPDNCT01443845P4completedCOPD2,354PMID 27585384
ROFLU2011NCT01849341P4completedChronic Obstructive Pulmonary Disease (COPD)105
REACTNCT01329029P4completedChronic Obstructive Pulmonary Disease1,945PMID 28679611
REVASCNCT01595750P4unknownChronic Obstructive Pulmonary Disease150
PILLARNCT04636814P3terminatedChronic Obstructive Pulmonary Disease3,973
DERMIS-OLENCT04286607P3completedChronic Plaque Psoriasis333
INTEGUMENT-IINCT04773600P3completedAtopic Dermatitis Eczema683PMID 39292443
INTEGUMENT-INCT04773587P3completedAtopic Dermatitis Eczema654
ARRECTORNCT05028582P3completedScalp Psoriasis432PMID 40332898
ARQ-154NCT04973228P3completedSeborrheic Dermatitis457
DERMIS-1NCT04211363P3completedChronic Plaque Psoriasis439PMID 36422852
OPTIMIZENCT02165826P3completedChronic Obstructive Pulmonary Disease (COPD)1,323
ACROSSNCT01313494P3completedCOPD626PMID 24135893
COPDNCT00297102P3completedChronic Obstructive Pulmonary Disease (COPD)1,523PMID 23117188
COPDNCT00297115P3completedChronic Obstructive Pulmonary Disease (COPD)1,568PMID 19716960
HELIOSNCT00424268P3completedChronic Obstructive Pulmonary Disease743PMID 19716961
EOSNCT00313209P3completedChronic Obstructive Pulmonary Disease (COPD)933
APTA-2217-08NCT00246935P3completedChronic Obstructive Pulmonary Disease (COPD)150
APTA-2217-07NCT00246922P3completedBronchial Asthma150
COPDNCT00062582P3completedChronic Obstructive Pulmonary Disease1,000
NSVNCT07105254P2recruitingNon-segmental Vitiligo20
ROFLU-AD12NCT07297602P2recruitingAtopic Dermatitis36
PSOROFLUNCT07233291P2recruitingPsoriasis (PsO)36
ROSTMEMANCT04854811P2completedCerebrovascular Disorders100
ROMEMANCT04658654P2unknownMild Cognitive Impairment81PMID 38438923
PSORRONCT04549870P2completedPsoriasis46PMID 37465323
TRIMNCT03532490P2completedAsthma38PMID 36170654
ARQ-151-201NCT03638258P2completedPlaque Psoriasis331PMID 36370336
RAMBONCT01701934P2terminatedChronic Obstructive Pulmonary Disease14PMID 12654609
TREATNCT01473758P2terminatedChronic Obstructive Pulmonary Disease With (Acute) Exacerbation81PMID 28146642
EEGroflNCT01433666P2completedDementia22PMID 29241652
RO-2351-001-EMNCT00746382P2withdrawnDermatitis0
FORTUNANCT01140542P2completedDiabetes Mellitus Type 2487

Terminated and withdrawn Roflumilast trials (12)

Studies that ended before completion. Reasons are filed in each trial's ClinicalTrials.gov entry.

All Roflumilast trials (119)

Sorted by most recent activity (completion → start → posted date). Each row links to the trial detail page on Hipa.ai.

NCT IDAcronymTitlePhaseStatusEnrollmentSponsorStarted
NCT06643221Allo-XExercise as an Immune Adjuvant for Allogeneic Cell TherapiesEarly P1recruiting200University of ArizonaJan 2018
NCT07352566Utilization of a Microdevice for Psoriasis and Atopic DermatitisP4not yet recruiting10University of California, San FranciscoAug 2026
NCT07263230The Safety and Efficacy of Roflumilast Foam in HSP2recruiting20Beth Israel Deaconess Medical CenterApr 2026
NCT05796271Clinical Trial of Roflumilast Added to Standard ChemoimmunotherapyP1withdrawn0The University of Texas Health Science Center at San AntonioJan 2024
NCT07314242A Study to Investigate the Biomarkers of Hemay005 in Adult Participants With Moderate to Severe COPDP2not yet recruiting120Ganzhou Hemay Pharmaceutical Co., LtdJan 2026
NCT07560618Obtaining Descriptive Classifications of Pruritus and Assessing Change in Pruritus Over Time in Atopic Dermatitis Patients Using Topical Roflumilast Cream.P4not yet recruiting40Integrative Skin Science and ResearchApr 2026
NCT06860958Roflumilast as an Adjunct to Antidepressants in Major Depressive Disorder PatientsP3recruiting60Tanta UniversityMar 2025
NCT07566351Effect of Roflumilast and Desloratadine as Add-On Therapy in Patients With Rheumatoid ArthritisP2recruiting90Horus UniversityApr 2026
NCT07077902A Study for Evaluating Safety & Efficacy of Topical Roflumilast 0.3% Foam in Hidradenitis SuppurativaP2recruiting10Tulane UniversitySep 2025
NCT07543640EFFICACY OF ROFLUMILAST IN THE TREATMENT OF FLEXURAL AND/OR GENITAL PSORIASIS: A RANDOMIZED CONTROLLED TRIAL.P2not yet recruiting56Eman Raafat SaidApr 2026
NCT06977711DLBCLLoncastuximab and Roflumilast Added to R-CHOP (Lo-(Rituximab and Roflumilast) RR-CHOP) for Naïve High-Risk Diffuse Large B-cell Lymphoma (DLBCL)P1recruiting10The University of Texas Health Science Center at San AntonioJun 2025
NCT06457191Roflumilast and TMS Motor PlasticityP1active not recruiting20University of CalgaryNov 2024
NCT07105254NSVAn Open-label Single Center, Proof of Concept Study Evaluating the Efficacy of Roflumilast Foam 0.3% in Pediatric Patients With Non-Segmental Vitiligo (NSV)P2recruiting20Derm Texas, PLLCAug 2025
NCT07297602ROFLU-AD12Evaluation of Efficacy and Safety of Oral Roflumilast for Treatment of Moderate to Severe Atopic Dermatitis in Patients Aged 12 Years and Older: A Pilot StudyP2recruiting36Nora Mohamed AbdelrazikNov 2025
NCT05682859HEROTreatment of Chronic Hand Eczema With Oral Roflumilast (HERO)P4unknown40Jacob Pontoppidan ThyssenSep 2023
NCT05418049Evaluating the Neurophysiologic and Clinical Effects of Single Dose Drug ChallengeP2active not recruiting45Children's Hospital Medical Center, CincinnatiSep 2022
NCT04069312RELIANCERoflumilast or Azithromycin to Prevent COPD Exacerbations (RELIANCE)P4completed1,032Johns Hopkins UniversityFeb 2020
NCT07233291PSOROFLUA Pilot Study to Assess How Safe and Effective Oral Roflumilast is for Treating Moderate to Severe Psoriasis in AdultsP2recruiting36Ahmed IbrahimAug 2025
NCT04636814PILLARA 52-week, Placebo- and Active- Controlled (Roflumilast, Daliresp® 500µg) Study to Evaluate the Efficacy and Safety of Two Doses of CHF6001 DPI (Tanimilast) as add-on to Maintenance Triple Therapy in Subjects With COPD and Chronic Bronchitis. (PILLAR)P3terminated3,973Chiesi Farmaceutici S.p.A.Jul 2021
NCT04751071The Phosphodiesterase 4 Inhibitor Roflumilast as an Adjunct to Antidepressants in Major Depressive Disorder PatientsP1/P2withdrawn0Sadat City UniversityFeb 2021
NCT07174011AAEvaluation of the Efficacy and Safety of Oral Roflumilast Versus Intralesional Corticosteroids Injection (ILCs) in the Treatment of Alopecia AreataP4completed50Cairo UniversityJan 2025
NCT06631170Efficacy and Safety of Roflumilast Cream in Subjects With Atopic DermatitisP3completed354Hangzhou Zhongmei Huadong Pharmaceutical Co., Ltd.Nov 2024
NCT06648772Efficacy and Safety of Roflumilast Cream 0.3% in Subjects With Plaque Psoriasis: a Phase 3 StudyP3recruiting189Hangzhou Zhongmei Huadong Pharmaceutical Co., Ltd.Nov 2024
NCT04322929Roflumilast in Non-CF Bronchiectasis Study (2019)P2completed42The University of Hong KongNov 2020
NCT06677788Evaluating the Efficacy and Safety of Roflumilast in Patients with NASHP2completed55Tanta UniversityApr 2022
NCT05684484Role of Roflumilast in Ulcerative ColitisP4completed52Tanta UniversityFeb 2023
NCT06440473Visualization of Topical Zoryve vs. Vehicle Using Line Field Optical Coherence Tomography in Healthy SkinP4unknown3Rao DermatologyMay 2024
NCT04286607DERMIS-OLEOpen-Label Extension Trial of PDE4 Inhibition With Roflumilast for the Management of Plaque PsoriasisP3completed333Arcutis Biotherapeutics, Inc.Feb 2020
NCT03458546Study of Roflumilast in Combination With Standard Chemotherapy for High-risk Diffuse Large B-cell LymphomaP1completed14The University of Texas Health Science Center at San AntonioMay 2018
NCT05884281Efficacy of Roflumilast in Prevention of Peripheral NeuropathyP1/P2unknown60Mansoura UniversityJul 2023
NCT04854811ROSTMEMARoflumilast to Treat Cognitive Sequela After StrokeP2completed100Maastricht UniversityJul 2021
NCT04658654ROMEMACognitive Effects of Roflumilast in (a)MCI and Mild Dementia PatientsP2unknown81Maastricht University Medical CenterNov 2021
NCT05369793Clinical Study Evaluating the Safety and Efficacy of Roflumilast in Type 2 Diabetic Patients With Diabetic NeuropathyP3completed60Tanta UniversityAug 2022
NCT04369547Roflumilast TMS-EEG PlasticityP1withdrawn0University of CalgaryJan 2022
NCT04108377Phosphodiesterase 4 Inhibitor, Roflumilast, and the Effects of Inhibition in Severe AsthmaP1terminated5University of California, DavisJan 2019
NCT05763082Bioequivalence Study of Two Treatments for the Treatment of Plaque PsoriasisP3completed414Padagis LLCFeb 2023
NCT04845620Trial of PDE4 Inhibition With Roflumilast for the Management of Atopic Dermatitis (Integument-PED)P3completed652Arcutis Biotherapeutics, Inc.Apr 2021
NCT05684744Roflumilast Versus Methotrexate in PsoriasisP2/P3completed30Cairo UniversityJan 2023
NCT05278624Evaluation of the Safety and Efficacy of Topical Roflumilast Cream in the Treatment of Facial Papulopustular RosaceaP2completed40Dermatology Consulting Services, PLLCApr 2022
NCT04549870PSORROEfficacy of Roflumilast in the Treatment of PsoriasisP2completed46Bispebjerg HospitalJan 2021
NCT04773600INTEGUMENT-IITrial of PDE4 Inhibition With Roflumilast for the Management of Atopic Dermatitis (INTEGUMENT-II)P3completed683Arcutis Biotherapeutics, Inc.Feb 2021
NCT03381573Long-term Observational Study of the Safety of Roflumilastcompleted135,856AstraZenecaDec 2013
NCT04773587INTEGUMENT-ITrial of PDE4 Inhibition With Roflumilast for the Management of Atopic DermatitisP3completed654Arcutis Biotherapeutics, Inc.Jan 2021
NCT05028582ARRECTORTopical Roflumilast to Treat Scalp and Body Psoriasis (ARRECTOR)P3completed432Arcutis Biotherapeutics, Inc.Aug 2021
NCT04973228ARQ-154Trial of PDE4 Inhibition With Roflumilast (ARQ-154) Foam 0.3% for the Management of Seborrheic Dermatitis (STRATUM)P3completed457Arcutis Biotherapeutics, Inc.Jul 2021
NCT04800172The Possible Effects of Roflumilast on Obesity Related DisordersP3completed66Tanta UniversityMay 2021
NCT04744090Roflumilast as add-on Therapy in Early Cases of ARDSP2completed76Cairo UniversityMar 2021
NCT03532490TRIMTrial of Roflumilast in Asthma Management (TRIM)P2completed38Johns Hopkins UniversityAug 2018
NCT04755946Possible Role of Roflumilast in Diabetic NephropathyP3unknown48Tanta UniversityMar 2021
NCT03988816Effect of Roflumilast on Quality of Life, Lung Function and Mucus Properties in Patients With BronchiectasisP2unknown30University of Sao Paulo General HospitalDec 2019
NCT04090294Assessment of Early Outcomes of Roflumilast in Patients With Non Cystic Fibrosis BronchiectasisEarly P1unknown35Assiut UniversityOct 2019
NCT04211363DERMIS-1Trial of PDE4 Inhibition With Roflumilast for the Management of Plaque PsoriasisP3completed439Arcutis Biotherapeutics, Inc.Dec 2019
NCT03764475Long-Term Safety of ARQ-151 Cream in Adult Subjects With Chronic Plaque PsoriasisP2completed332Arcutis Biotherapeutics, Inc.Dec 2018
NCT02835716PCD=OOALZPre-Clinical (Alzheimers) Diagnosis PCD = Optimum Outcomes OOunknown150Millennium Magnetic Technologies, LLCSep 2016
NCT04128007Safety and Efficacy of ARQ-154 Foam in Adolescent and Adult Subjects With Scalp and Body PsoriasisP2completed304Arcutis Biotherapeutics, Inc.Jan 2020
NCT04091646Safety and Efficacy of ARQ-154 Foam in Subjects With Seborrheic DermatitisP2completed226Arcutis Biotherapeutics, Inc.Dec 2019
NCT02743377PDE4PET Imaging of Phosphodiesterase-4 (PDE4) in Brain and Peripheral Organs of McCune-Albright SyndromeP1/P2completed16National Institute of Mental Health (NIMH)Apr 2018
NCT03916081Safety and Efficacy of ARQ-151 Cream in Adolescents and Adults With Atopic DermatitisP2completed136Arcutis Biotherapeutics, Inc.May 2019
NCT03428334Roflumilast in Non-CF Bronchiectasis StudyP2completed20The University of Hong KongMay 2018
NCT03638258ARQ-151-201The Safety, Efficacy and Pharmacokinetics of ARQ-151 Cream in Subjects With Chronic Plaque PsoriasisP2completed331Arcutis Biotherapeutics, Inc.Sep 2018
NCT02671942A Multicenter Randomized Double-blind Clinical Study Evaluated the Safety, Pharmacokinetic and Pharmacodynamic Characteristics of Roflumilast in COPD PatientsP2terminated55Chia Tai Tianqing Pharmaceutical Group Co., Ltd.Mar 2016
NCT01973998Effects of Roflumilast in Hospitalized Chronic Obstructive Pulmonary Disease( COPD) on Mortality and Re-hospitalizationP3completed68Temple UniversityNov 2013
NCT02451540Evaluation of the Effect of Roflumilast in Hyperinflated COPD Patients Using Functional Respiratory ImagingP2terminated13FLUIDDA nvSep 2015
NCT01862029Effects of Roflumilast on Insulin and Blood Sugar Levels in Prediabetic Overweight and Obese IndividualsP1/P2completed24National Heart, Lung, and Blood Institute (NHLBI)May 2013
NCT02068456Post Marketing Surveillance of Roflumilast in Koreacompleted1,837AstraZenecaSep 2012
NCT01830959REFSUse of Roflumilast to Prevent Exacerbations in Fibrotic Sarcoidosis Patients (REFS)P4unknown50University of CincinnatiApr 2013
NCT02340520Enhancement of Corticosteroid Efficacy in COPDP3completed13UConn HealthDec 2014
NCT01745848Roflumilast on Markers of Bone Metabolism and Endothelial Function in COPDP4completed26University of PittsburghFeb 2013
NCT01509677Trial to Assess the Anti-inflammatory Effects of Roflumilast in Chronic Obstructive Pulmonary DiseaseP3completed158AstraZenecaFeb 2012
NCT01630200ELASTICEffects of ROFLUMILAST on Subclinical Atherosclerosis in Chronic Obstructive Pulmonary Disease (COPD)P4completed80LudwLudwig Boltzmann Institute for COPD and Respiratory EpidemiologyMay 2012
NCT01443845COPDRoflumilast in Chronic Obstructive Pulmonary Disease (COPD) Patients Treated With Fixed Dose Combinations of Long-acting β2-agonist (LABA) and Inhaled Corticosteroid (ICS)P4completed2,354AstraZenecaSep 2011
NCT04122547Efficacy of Roflumilast on Exacerbations in Patients With Non-cystic Fibrosis BronchiectasisP3completed40Prince of Songkla UniversityJan 2015
NCT02018432Strategy to Improve Adherence of RoflumilastP4unknown80Asan Medical CenterDec 2013
NCT02165826OPTIMIZEEvaluation of Tolerability and Pharmacokinetics of Roflumilast, 250μg and 500μg, as add-on to Standard COPD Treatment to Treat Severe COPDP3completed1,323AstraZenecaMay 2014
NCT02097992Effect of Roflumilast on Airway Blood Flow as an Expression of Airway Inflammation in COPDP1/P2completed11University of MiamiFeb 2013
NCT02079844Roflumilast Plus Antipsychotics Proof of Mechanism Study in SchizophreniaP1completed20TakedaMar 2014
NCT03073798The Effectiveness of Roflumilast in Improving Mucociliary Clearance in Patients With COPD and Chronic BronchitisP4completed12Johns Hopkins UniversityMar 2013
NCT01888952Phase 0/1 Biomarker and Pharmacodynamic Study of Roflumilast in Patients With Advanced B-Cell Hematologic Malignancies (CTRC# 13-0013)Early P1completed10Anand B. KarnadJul 2013
NCT01701934RAMBOImpact of Roflumilast on Visceral Adiposity and Metabolic Profile in Chronic Obstructive Pulmonary DiseaseP2terminated14Laval UniversityFeb 2013
NCT01703260Safety and Efficacy of Roflumilast and Pioglitazone in Treating Adults With Nonalcoholic SteatoHepatitisP2terminated20AstraZenecaJun 2013
NCT01849341ROFLU2011Roflumilast Safety Administered Once a Day on Alternate Days for Two Weeks Compared to the Usual Dosage Once DailyP4completed105Fundación Pública Andaluza Progreso y SaludJul 2012
NCT02187250PDE-4 Inhibitor Roflumilast and GLP-1 Agonist Liraglutide in Polycystic Ovary SyndromeP4completed45University Medical Centre LjubljanaMar 2014
NCT01572948COPDA Placebo-controlled Trial of Daliresp on Chronic Obstructive Pulmonary Disease (COPD)N/Acompleted27University of Alabama at BirminghamJun 2012
NCT02051335Roflumilast and Donepezil to Reverse Scopolamine Induced Cognitive Deficits in Healthy AdultsP1completed27AstraZenecaJan 2014
NCT01329029REACTRoflumilast in Chronic Obstructive Pulmonary Disease (COPD) Patients Treated With Fixed Combinations of Long-acting β2-agonists (LABA) and Inhaled Glucocorticosteroid (ICS)P4completed1,945AstraZenecaMay 2011
NCT01856764Topical Roflumilast in Adults With Atopic DermatitisP2completed40AstraZenecaJun 2013
NCT01473758TREATEffect of Roflumilast at Acute Exacerbations of Chronic Obstructive Pulmonary DiseaseP2terminated81AstraZenecaFeb 2012
NCT02037672PDE-4 Inhibitor Roflumilast and Polycystic Ovary SyndromeP4completed36University Medical Centre LjubljanaSep 2013
NCT01765192Roflumilast Plus Montelukast in Adults With Severe AsthmaP2completed64AstraZenecaFeb 2013
NCT01730404Safety, Tolerability and Efficacy of 28-day Inhaled CHF 6001 DPI in COPD PatientsP2completed55Chiesi Farmaceutici S.p.A.Oct 2012
NCT01433666EEGroflRoflumilast and CognitionP2completed22Maastricht University Medical CenterSep 2011
NCT01480661Evaluation With CT Scan of Possible Changes in Airways After Treatment With Daxas® in Severe Chronic Obstructive Pulmonary Disease PatientsP4completed41FLUIDDA nvDec 2011
NCT01580748Phase2, Single Group, Open Clinical Trial to Evaluate the Efficacy and Safety of Roflumilast in Symptomatic Bronchiectasis PatientsP2unknown25Seoul National University Bundang HospitalMay 2012
NCT01664624Roflumilast Plus Alogliptin Proof-of-Mechanism Study in Type2 DiabetesP1completed40AstraZenecaJul 2012
NCT01595750REVASCRandomized, Double-blind, Placebo-controlled Study to Evaluate the Effect of Roflumilast on Endothelial Function in Patients With Chronic Obstructive Pulmonary DiseaseP4unknown150Spanish Research Center for Respiratory DiseasesMay 2012
NCT01313494ACROSSA Chronic Obstructive Pulmonary Disease (COPD) Trial Investigating Roflumilast on Safety and Effectiveness in China, Hong Kong and Singapore:P3completed626AstraZenecaMar 2011
NCT01354782Pharmacokinetic Study of Single and Repeated Dose of Roflumilast 500 µg , in Healthy Chinese SubjectsP1completed32AstraZenecaMay 2011
NCT00746434A Proof of Concept Study With 0.5% Roflumilast Cream in Patients With Mild to Moderate Plaque PsoriasisP2withdrawn0AstraZenecaNov 2008
NCT00746382RO-2351-001-EMA Placebo Controlled 4 Week Proof of Concept Study With 0.5% Roflumilast Cream in Patients With Mild Atopic Dermatitis (RO-2351-001-EM)P2withdrawn0AstraZenecaNov 2008
NCT00297102COPDEffect of Roflumilast on Exacerbation Rate in Patients With Chronic Obstructive Pulmonary Disease (COPD): The AURA Study (BY217/M2-124)P3completed1,523AstraZenecaFeb 2006
NCT00297115COPDEffect of Roflumilast on Exacerbation Rate in Patients With Chronic Obstructive Pulmonary Disease (COPD): The HERMES Study (BY217/M2-125)P3completed1,568AstraZenecaMar 2006
NCT00424268HELIOSEffect of Roflumilast in Chronic Obstructive Pulmonary Disease (COPD) Patients Treated With Tiotropium: The HELIOS Study (BY217/M2-128)P3completed743AstraZenecaJan 2007
NCT01140542FORTUNAEfficacy of 500µg Roflumilast Once Daily Versus Placebo Over 12 Weeks in Patients With Diabetes Mellitus Type 2. A Double Blind, Parallel Group, Proof of Concept Clinical StudyP2completed487AstraZenecaAug 2006
NCT00313209EOSEffect of Roflumilast on Lung Function in Chronic Obstructive Pulmonary Disease (COPD) Patients Treated With Salmeterol: The EOS Study (BY217/M2-127)P3completed933AstraZenecaApr 2006
NCT00246935APTA-2217-08Long-term Study of Safety and Efficacy of Roflumilast in Japanese Patients Older Than 40 Years With Chronic Obstructive Pulmonary Disease (APTA-2217-08)P3completed150AstraZenecaMay 2005
NCT00246922APTA-2217-07Long-term Study of Safety and Efficacy of Roflumilast in Japanese Patients With Bronchial Asthma (20 to 71 y) (APTA-2217-07).P3completed150AstraZenecaDec 2004
NCT00242320Efficacy and Safety of Oral Roflumilast Taken Once Daily in Patients Older Than 40 Years With Chronic Obstructive Pulmonary Disease (BY217/M2-119)P3completed551AstraZenecaAug 2005
NCT00242307APTA-2217-05Efficacy and Safety of Roflumilast in Japanese Patients With Bronchial Asthma (20 to 70 y) (APTA-2217-05).P2/P3completed450AstraZenecaMay 2004
NCT00242294APTA-2217-06Efficacy and Safety of Roflumilast in Japanese Patients Older Than 40 Years With Chronic Obstructive Pulmonary Disease (APTA-2217-06)P2/P3completed570AstraZenecaNov 2004
NCT00076089OPUS Study: Effect of Roflumilast on Exacerbation Rate in Patients With Chronic Obstructive Pulmonary Disease (BY217/M2-111)P3completed1,100AstraZenecaDec 2003
NCT00163527Efficacy and Safety of Oral Roflumilast Taken With Low Dose Inhaled Corticosteroids in Patients With Asthma (12 to 70 y) (BY217/M2-013)P3completed2,054AstraZenecaApr 2003
NCT00163475Efficacy and Safety of Roflumilast Taken in the Morning or Evening in Patients With Stable Asthma (12 to 70 y) (BY217/M2-015)P3completed511AstraZenecaMay 2004
NCT01365533A Study to Evaluate the Effect of Roflumilast on Airway Inflammation and Function Following Allergen Challenge in Subjects With Allergic AsthmaP2completed48AstraZenecaDec 2004
NCT00076076The FLASH Study: A Study of Roflumilast Versus Placebo in Patients With Asthma (BY217/M2-023)P3completed822AstraZenecaDec 2003
NCT00940329Pharmacodynamic/Pharmacokinetic Interactions Between Oral Roflumilast and Inhaled FormoterolP1completed27AstraZenecaApr 2004
NCT00108823The HERO-study: Effects of Roflumilast in Patients With COPD (Chronic Obstructive Pulmonary Disease) (BY217/M2-121)P3completed550AstraZenecaOct 2004
NCT00073177Efficacy and Safety of Roflumilast in Patients With Asthma (BY217/M2-012)P3completed819AstraZenecaNov 2003
NCT00062582COPDEffect of Roflumilast on Pulmonary Function and Respiratory Symptoms in Patients With Chronic Obstructive Pulmonary Disease (COPD) (BY217/M2-110)P3completed1,000AstraZenecaJun 2003
NCT00430729Effect of Roflumilast on Exacerbation Rate in Patients With Chronic Obstructive Pulmonary Disease. Ratio-Study. (BY217/M2-112)P3completed1,100AstraZenecaJan 2003

Roflumilast clinical trials: frequently asked questions

How many Roflumilast clinical trials are there?
119 Roflumilast clinical trials are catalogued on Hipa.ai, sourced from the AACT mirror of ClinicalTrials.gov. 10 are actively recruiting participants. 79 are marked completed.
Are Roflumilast clinical trials recruiting in 2026?
Yes — 10 Roflumilast trials are actively recruiting in 2026, with 9 U.S. sites across 4 states. See the recruiting trials and the per-state site list further down this page.
What conditions is Roflumilast being studied for?
Roflumilast is being studied for COPD, Chronic Obstructive Pulmonary Disease, Asthma, Chronic Obstructive Pulmonary Disease (COPD), Plaque Psoriasis and 85 more. The trials are grouped by indication on this page.
What phase is Roflumilast in?
Roflumilast clinical trials span 19 Phase 4, 36 Phase 3, 38 Phase 2, 11 Phase 1. The phase × status matrix at the top of this page breaks down counts by phase and recruitment status.
Who sponsors Roflumilast clinical trials?
The lead sponsor across the most Roflumilast trials is AstraZeneca, with 54 additional lead sponsors listed in the data. Each trial row links to the full study detail page including sponsor information.

Sources and methodology

Trial inventory derived from the AACT mirror of ClinicalTrials.gov. Trials are filtered to those naming Roflumilastas an intervention. Phase, status, enrollment, sponsor, and dates are taken from the source `studies` table; primary indication is the first listed condition. Acronyms are extracted from each trial's brief title where present. PubMed links are populated for trials whose published primary outcomes have been indexed in our evidence cache.

Last refreshed .

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