AsthmaPhase 2NCT06376045
A Phase 2, Dose Ranging Study Assessing Rocatinlimab in Moderate-to-severe Asthma
A Phase 2 study testing Rocatinlimab in people with Asthma, run by Amgen at 154 sites in 19 countries.
Trial summary
The primary objective of this study is to describe the efficacy of rocatinlimab in reducing asthma exacerbations. Read more about this study
- Who is it for?
- Ages 18 to 75 years
- Conditions the study is for
- Asthma
- What is being tested?
- Rocatinlimab
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 317 participants
- Where
- 154 sitesin 19 countries
- Study dates
- 24 May 2024to 23 Jun 2026
- Phase
- Phase 2
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 75 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Participants must be between the ages of 18 and 75.
- Asthma diagnosed by a physician for ≥ 12 months prior to the screening visit.
- Existing therapy with medium-dose to high doses of inhaled corticosteroids (ICS) (defined as > 250 µg fluticasone propionate or equivalent ICS) in combination with at least 1 additional controller medication (eg, LABA, leukotriene receptor antagonist [LTRA], LAMA, methylxanthine, oral corticosteroids up to a daily dose of 10 mg prednisone equivalent) for at least 90 days prior to the screening visit with a stable dose for at least 30 days prior to the screening visit.
- Documented history of ≥ 1 asthma exacerbation in the past year prior to the screening visit, with at least 1 exacerbation during treatment with medium-dose to high doses of ICS (> 250 μg fluticasone propionate or equivalent ICS).
- Morning pre-BD FEV1 ≥ 35% and ≤ 90% of predicted normal at the screening visit and day 1 pre-randomization visits.
- ACQ-6 score ≥ 1.5 at the day 1 pre randomization visit.
Who cannot join
- Asthma exacerbation that results in emergency treatment or hospitalization, or treatment with systemic steroids at any time from 30 days prior to the day 1 pre randomization visit.
- Any clinically important pulmonary disease other than asthma.
- Current smoker, including active vaping of any products and/or marijuana, or former smoker with cessation within 6 months of screening, or history of > 10 pack-years.
- Suspicion of, or confirmed, coronavirus disease 2019 (COVID-19) infection during the screening period including known history of COVID-19 infection within 4 weeks prior to Screening; mechanical ventilation or extracorporeal membrane oxygenation (ECMO) secondary to COVID-19 within 3 months prior to screening; participants with COVID-19 infection who have not yet sufficiently recovered to participate in the procedures of a clinical trial.
- Active chronic or acute infection requiring treatment with systemic antibiotics, antiviral, antiparasitic, antiprotozoal, or antifungals which has not completely resolved, or for which therapy has not been completed, within 4 weeks before day 1 pre-randomization visit.
- Positive or indeterminate QuantiFERON GOLD from central laboratory at screening.
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- Active malignancy; multiple myeloma; myeloproliferative or lymphoproliferative disorder; or a history of any of these conditions within 5 years prior to informed consent
- History of major immunologic reaction to any other biologic product or any excipient of rocatinlimab.
- Diagnosis of a helminth parasitic infection within 6 months prior to day 1 pre-randomization visit that had not been treated with or had failed to respond to standard of care therapy.
- Evidence of human immunodeficiency virus (HIV) infection or positive for HIV antibodies at screening or current acquired, common variable or inherited, primary or secondary immunodeficiency.
- Active and non-virally suppressed hepatitis B infection at initial screening,
- Positive for hepatitis C virus (HCV) antibody at screening with confirmed positive HCV RNA.
Trial locations and contacts
154 sites in 19 countries.
154 sites in 19 countries
United States48 sites
Amarillo Medical Specialists
Amarillo, Texas, 79124
Kern Research Inc
Bakersfield, California, 93301
TTS Research
Boerne, Texas, 78006
Treasure Valley Medical Research
Boise, Idaho, 83706
TEN20 Clinical Research
Carrollton, Texas, 75010
Bernstein Clinical Research Center LLC
Cincinnati, Ohio, 45236
St Francis Medical Institute
Clearwater, Florida, 33765
AllerVie Clinical Research- Columbus
Columbus, Georgia, 31904
Alina Clinical Trials, LLC
Dallas, Texas, 75225
Southwest Family Medicine Associates
Dallas, Texas, 75235
Henry Ford Health System
Detroit, Michigan, 48202
Clinical Research Associates of Central Pennsylvania
DuBois, Pennsylvania, 15801
Duke Asthma Research Center
Durham, North Carolina, 27705
OK Clinical Research
Edmond, Oklahoma, 73034
University of Texas Medical Branch
Galveston, Texas, 77555-0158
Baylor College of Medicine
Houston, Texas, 77030
Sante Clinical Research
Kerrville, Texas, 78028
The Allergy Asthma and Sinus Center
Knoxville, Tennessee, 37909
Orso Health Inc
La Jolla, California, 92037
Imax Clinical Trials
La Palma, California, 90623
Antelope Valley Clinical Trials
Lancaster, California, 93534
Somnos Clinical Research
Lincoln, Nebraska, 68505
Downtown Los Angeles Research Center, Inc
Los Angeles, California, 90017
Family Allergy and Asthma Research Institute
Louisville, Kentucky, 40217
Metroplex Pulmonary and Sleep Center
McKinney, Texas, 75069
Velocity Clinical Research Medford
Medford, Oregon, 97504
BioMed Research Institute
Miami, Florida, 33126
Bright Research Center LLC
Miami, Florida, 33144
Montana Medical Research
Missoula, Montana, 59808
Northwell Health
New Hyde Park, New York, 11042
NewportNativeMD, Inc
Newport Beach, California, 92663
Sneeze, Wheeze, and Itch Associates, LLC
Normal, Illinois, 61761
University of California Irvine
Orange, California, 92868
University of Pittsburgh Medical Center
Pittsburgh, Pennsylvania, 15213
Ace Proactive
Plano, Texas, 75093
Midwest Chest Consultants, PC
Saint Charles, Missouri, 63301
South Texas Allergy and Asthma Medical Professionals
San Antonio, Texas, 78229
Bandera Family Health Care
San Antonio, Texas, 78249
Apex Clinical Research
San Diego, California, 92120
Pioneer Research Solutions Inc
Sugar Land, Texas, 77479
Infinity Life Research Group
Tamarac, Florida, 33321
Clinical Research Trials of Florida Inc
Tampa, Florida, 33607
Hudson County Clinical Trials Research Center
Union City, New Jersey, 07087
Allergy and Asthma Clinical Research
Walnut Creek, California, 94598
Allianz Research Institute Westminster
Westminster, California, 92683
Chesapeake Clinical Research Inc
White Marsh, Maryland, 21162
Wake Forest University Health Sciences
Winston-Salem, North Carolina, 27157
Respiratory Medicine Research Institute of Michigan, plc
Ypsilanti, Michigan, 48197
China16 sites
Changsha Central Hospital
Changsha, Hunan, 410004
The First Affiliated Hospital of Gannan Medical University
Ganzhou, Jiangxi, 341000
The Third Affiliated Hospital of Guangzhou Medical University
Guangzhou, Guangdong, 510150
Hainan General Hospital
Haikou, Hainan, 570311
Hefei First Peoples Hospital
Hefei, Anhui, 230061
The Second Hospital University of South China
Hengyang, Hunan, 421001
Heze Municipal Hospital
Heze, Shandong, 274031
The Third Peoples Hospital of Huizhou
Huizhou, Guangdong, 516002
Jinhua Municipal Central Hospital
Jinhua, Zhejiang, 321013
Jiangxi Provincial Peoples Hospital
Nanchang, Jiangxi, 330038
Pingxiang Peoples Hospital
Pingxiang, Jiangxi, 337055
Huadong Hospital
Shanghai, Shanghai Municipality, 200040
Shanghai Pulmonary Hospital
Shanghai, Shanghai Municipality, 200433
First Hospital of Shanxi Medical University
Taiyuan, Shanxi, 030000
The Affiliated Hospital of Xuzhou Medical University
Xuzhou, Jiangsu, 221006
Xuzhou Central Hospital
Xuzhou, Jiangsu, 221009
Japan12 sites
Teikyo University Hospital
Itabashi-ku, Tokyo, 173-8606
Kagoshima University Hospital
Kagoshima, Kagoshima-ken, 890-8520
Medical corporation Syureikai Tohno Chuo Clinic
Mizunami-shi, Gifu, 509-6134
Kochi Medical School Hospital
Nankoku-shi, Kochi, 783-8505
Sakaide City Hospital
Sakaide-shi, Kagawa-ken, 762-8550
Idaimae Minami Yojo Naika Clinic
Sapporo, Hokkaido, 064-0804
Tokyo Shinagawa Hospital Social Medical Corporation Association Tokyokyojuno-kai
Shinagawa-ku, Tokyo, 140-8522
Kamei Internal medicine and Respiratory Clinic
Takamatsu, Kagawa-ken, 761-8073
National Hospital Organization Osaka Toneyama Medical Center
Toyonaka-shi, Osaka, 560-8552
Yokohama City Minato Red Cross Hospital
Yokohama, Kanagawa, 231-8682
Yokohama City University Hospital
Yokohama, Kanagawa, 236-0004
University of Fukui Hospital
Yoshida-gun, Fukui, 910-1193
Argentina10 sites
InAER - Investigaciones en Alergia y Enfermedades Respiratorias
Buenos Aires, Distrito Federal, 1425
Fundacion Respirar - Centro Medico Dra De Salvo
CABA, Buenos Aires, C1426ABP
Centro de Osteopatias Medicas
Ciudad Autonoma de Buenos Aires, Buenos Aires, C1128AAF
Cemer Centro Medico de Enfermedades Respiratorias
Florida, Vicente Lopez, B1602DQD
Fundacion Enfisema para el Estudio y Tratamiento de las Enfermedades Cronicas del Aparato Respirador
Mar del Plata, Buenos Aires, 7600
Instituto Medico Insares SA
Mendoza, 5500
Fundacion Scherbovsky
Mendoza, M5500AXR
Fundacion Grupo Colaborativo Rosario Investigacion y Prevencion medica
Rosario, Santa Fe Province, S2002OJN
Ierim Instituto de Enfermedades Respiratorias e Investigacion Clinica
San Juan Bautista, Buenos Aires, 1888
Centro Integral de Medicina Respiratoria
San Miguel de Tucumán, Tucumán Province, 4000
Poland8 sites
Centrum Medycyny Oddechowej Mroz Spolka Jawna
Bialystok, 15-044
Klimed Marek Klimkiewicz
Bychawa, 23100
GynCentrum Spzoo NZOZ Holsamed - Oddzial Libero
Katowice, 40-600
Centrum Medyczne All-Med Badania kliniczne
Krakow, 30-033
Diamond Clinic Spolka z Ograniczona Odpowiedzialnoscia Diamond Medical Center
Krakow, 31-559
Ostrowieckie Centrum Medyczne Spolka Cywilna Anna Olech-Cudzik Krzysztof Cudzik
Ostrowiec Świętokrzyski, 27-400
Ewa Springer Specjalistyczny Niepubliczny Zaklad Opieki Zdrowotnej
Poznan, 60-693
Centrum Badan Klinicznych Piotr Napora lekarze spolka partnerska
Wroclaw, 51-162
South Korea8 sites
Yeungnam University Medical Center
Daegu, 42415
Seoul National University Hospital
Seoul, 03080
The Catholic University of Korea Eunpyeong St Marys Hospital
Seoul, 03312
Severance Hospital Yonsei University Health System
Seoul, 03722
Konkuk University Medical Center
Seoul, 05030
Asan Medical Center
Seoul, 05505
The Catholic University of Korea Seoul St Marys Hospital
Seoul, 06591
Korea University Guro Hospital
Seoul, 08308
Bulgaria5 sites
Medical Center Pulmo - 2018 EOOD
Haskovo, 6300
Specialized Hospital for Active Treatment of Pneumo-phthisiatric Diseases Dr Dimitar Gramatikov
Rousse, 7002
Medical Center Excelsior OOD
Sofia, 1407
Diagnostic-Consultative Center Convex OOD
Sofia, 1680
Medical Center New Rehabilitation Center EOOD
Stara Zagora, 6001
Canada5 sites
Dynamic Drug Advancement Limited
Ajax, Ontario, L1S 2J5
University of Calgary - Cumming School of Medicine
Calgary, Alberta, T2N 4Z6
Kanata Allergy Clinic
Ottawa, Ontario, K2T 0N7
Centre for Lung Health
Vancouver, British Columbia, V5Z 1M9
St Pauls Hospital Pacific Lung Health Centre
Vancouver, British Columbia, V6Z 1Y6
Chile5 sites
Centro de Investigacion Curico
Curicó, 3440000
Sociedad Medica SyG Limitada
Santiago, 7501126
Centro De Investigaciones Medicas Respiratorias
Santiago, 7750495
Icegclinic
Santiago, 8241479
Centro de Investigacion del Maule
Talca, 346000
Romania5 sites
Spitalul de Pneumoftiziologie Bacau
Bacau, 600252
Spitalul de Pneumoftiziologie Leon Daniello
Cluj-Napoca, 400332
Spitalul Clinic de Boli Infecțioase si Pneumoftiziologie Victor Babes Craiova
Craiova, 200515
Medical Center
Deva, 330162
Spitalul Judetean de Urgenta Sf Ioan cel Nou Suceava
Suceava, 720224
United Kingdom5 sites
Lakeside Healthcare
Corby, NN17 2UR
CPS Research
Glasgow, G20 7BE
Glasgow Royal Infirmary
Glasgow, G31 2ER
4 Medical Clinical Solutions
Manchester, M27 8FF
John Radcliffe Hospital
Oxford, OX3 9DU
Czechia4 sites
MUDr I Cierna Peterova sro
Brandýs nad Labem-Stará Boleslav, 250 01
Meditrial sro
Jindřichův Hradec, 377 01
MUDr Josef Veverka
Rokycany, 337 01
Kasmed sro
Tábor, 390 02
Hungary4 sites
Edelenyi Koch Robert Korhaz es Rendelointezet
Edelény, 3780
Erzsebet Gondozohaz
Gödöllő, 2100
Puspokladanyi Egeszsegugyi Szolgaltato Intezmeny
Püspökladány, 4150
Allergo-Fot Kft
Százhalombatta, 2440
Mexico4 sites
Icaro Investigaciones en Medicina
Chihuahua City, 31000
Unidad de Investigacion cima
Chihuahua City, 31200
cicum San Miguel
Guadalaja, Jalisco, 44160
Centro de investigacion medico biologica y terapia avanzada
Guadalajara, Jalisco, 44130
Taiwan4 sites
Kaohsiung Medical University Chung-Ho Memorial Hospital
Kaohsiung City, 80756
China Medical University Hospital
Taichung, 40447
Veterans General Hospital - Taichung
Taichung, 40705
Taipei Medical University Hospital
Taipei, 11031
Colombia3 sites
Corporacion Hospitalaria Juan Ciudad, Mederi
Bogota, Cundinamarca, 11001
Solano y Terront Servicios Medicos SAS - Unidad Integral de Endocrinologia Uniendo
Bogota, Cundinamarca, 110221
Mediservis del Tolima IPS SAS
Ibague, Tolima Department, 730006
Hong Kong3 sites
Hong Kong Center for Clinical Research
Hong Kong, 999077
Queen Mary Hospital, The University of Hong Kong
Hong Kong
Prince of Wales Hospital, Chinese University of Hong Kong
Shatin, New Territories
Thailand3 sites
King Chulalongkorn Memorial Hospital
Bangkok, 10330
Siriraj Hospital
Bangkok, 10700
Songklanagarind Hospital
Songkhla, 90110
Australia2 sites
The Alfred Hospital
Melbourne, Victoria, 3141
Westmead Hospital
Westmead, New South Wales, 2145
About this study
Official title: A Phase 2, Randomized, Double-blind, Placebo-controlled, Dose Ranging Study to Assess the Efficacy and Safety of Rocatinlimab in Adult Subjects With Moderate-to-severe Asthma
The primary objective of this study is to describe the efficacy of rocatinlimab in reducing asthma exacerbations.
- Conditions
- Asthma
- Being tested
- Rocatinlimab, Placebo
- Keywords
- Moderate to severe asthma, Rocatinlimab, AMG 451, KHK4083
- Medical subject headings
- Asthma
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
RocatinlimabDrug
Also called AMG 451
Rocatinlimab will be administered by SC injection.
PlaceboDrug
Placebo will be administered by SC injection.
| Study group | Role | What they receive |
|---|---|---|
| Treatment Arm A: Placebo | Placebo comparator | Participants will receive placebo by subcutaneous (SC) injection during the blinded treatment period. Receives: Drug: Placebo |
| Treatment Arm B: Dose 1 Rocatinlimab | Experimental | Participants will receive dose 1 rocatinlimab by SC injection during the blinded treatment period. Receives: Drug: Rocatinlimab |
| Treatment Arm C: Dose 2 Rocatinlimab | Experimental | Participants will receive dose 2 rocatinlimab by SC injection during the blinded treatment period. Receives: Drug: Rocatinlimab |
| Treatment Arm D: Dose 3 Rocatinlimab | Experimental | Participants will receive dose 3 rocatinlimab by SC injection during the blinded treatment period. Receives: Drug: Rocatinlimab |
What is being measured
The primary outcome is the main question the study is designed to answer.
Annualized Rate of Composite Endpoint for Exacerbations (CompEx) Events During the Blinded Treatment Period
Measured: Up to Week 48
Secondary outcomes (17)
Annualized Asthma Exacerbation Rate (AAER)
Measured: Up to Week 48
Change From Baseline in Pre-bronchodilator (BD) Forced Expiratory Volume in 1 Second (FEV1)
Measured: Baseline and Week 48
Change From Baseline in Asthma Control Questionnaire 6 (ACQ-6) Score at Week 48
Measured: Baseline and Week 48
Change From Baseline in Pre-BD FEV1
Measured: Baseline and Week 56
Change From Baseline in Asthma Symptom Diary (ASD) Score
Measured: Baseline and Week 48
Number of Participant Achieving ACQ-6 Response at Week 48
Measured: Week 48
Change From Baseline in ACQ-6
Measured: Baseline and Week 48
Change From Baseline in Asthma Quality of Life Questionnaire with Standardized Activities (AQLQ [S]) Self-Administered Score
Measured: Baseline, Weeks 12, 24, 36 and 48
Number of Participants Achieving AQLQ (S) Response at Week 48
Measured: Week 48
Annualized Rate of Asthma Exacerbation Leading to Hospitalization or Emergency Room Visits During the Blinded Treatment Period
Measured: Up to Week 48
Time to First Asthma Exacerbation Event
Measured: Up to 62 weeks
Time to First CompEx Event
Measured: Up to Week 48
Number of Participants with a CompEx Event During the Double Blinded Treatment Period
Measured: Up to Week 48
Annualized Rate of CompEx Events
Measured: Up to Weeks 12, 24 and 36
Change From Baseline in Fractional Exhaled Nitric Oxide (FeNO) Levels
Measured: Baseline and Week 56
Serum Rocatinlimab Concentrations
Measured: Up to 56 weeks
Trough Concentration (Ctrough) of Rocatinlimab
Measured: Up to 56 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted19 Apr 2024
- Study start24 May 2024
- Primary completion14 May 2026
- Study completion23 Jun 2026
Why it stopped: Sponsor Decision
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for AsthmaStudies of the same condition, open and under way.
- More trials run by AmgenThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 2
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Who is masked
- Participant, Investigator
- Enrolment
- 317 participants (actual)
Sponsor and investigators
- Lead sponsor
- Amgen
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- MD, Study director, Amgen
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06376045
- Sponsor's protocol ID
- 20220093
- Status last verified
- Aug 2026
- First submitted
- 17 Apr 2024
- Last updated
- 11 Aug 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- Yes: De-identified individual patient data for variables necessary to address the specific research question in an approved data sharing request.
Study at a glance
From the registry record, last updated by the sponsor on 11 Aug 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Phase 2, Randomized, Double-blind, Placebo-controlled, Dose Ranging Study to Assess the Efficacy and Safety of Rocatinlimab in Adult Subjects With Moderate-to-severe Asthma
- ClinicalTrials.gov ID
- NCT06376045
- Acronym / sponsor ID
- 20220093
- Conditions
- Asthma
- Keywords
- Moderate to severe asthma, Rocatinlimab, AMG 451, KHK4083
- Phase
- Phase 2
- Study type
- Interventional
- Recruitment status
- TerminatedReason stopped: Sponsor Decision
- Enrolment
- 317 participants (actual)
- Lead sponsor
- AmgenIndustry (pharma, biotech, devices)
- Study start
- 24 May 2024 (actual)
- Primary completion
- 14 May 2026 (actual)
- Study completion
- 23 Jun 2026 (actual)
- First posted
- 19 Apr 2024 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The primary objective of this study is to describe the efficacy of rocatinlimab in reducing asthma exacerbations.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, investigator)
- Number of arms
- 4
| Arm | Type | Receives |
|---|---|---|
| Treatment Arm A: Placebo | Placebo comparator | Drug: PlaceboParticipants will receive placebo by subcutaneous (SC) injection during the blinded treatment period. |
| Treatment Arm B: Dose 1 Rocatinlimab | Experimental | Drug: RocatinlimabParticipants will receive dose 1 rocatinlimab by SC injection during the blinded treatment period. |
| Treatment Arm C: Dose 2 Rocatinlimab | Experimental | Drug: RocatinlimabParticipants will receive dose 2 rocatinlimab by SC injection during the blinded treatment period. |
| Treatment Arm D: Dose 3 Rocatinlimab | Experimental | Drug: RocatinlimabParticipants will receive dose 3 rocatinlimab by SC injection during the blinded treatment period. |
Who may qualify
- Ages
- 18 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (6 listed)
- Participants must be between the ages of 18 and 75.
- Asthma diagnosed by a physician for ≥ 12 months prior to the screening visit.
- Existing therapy with medium-dose to high doses of inhaled corticosteroids (ICS) (defined as > 250 µg fluticasone propionate or equivalent ICS) in combination with at least 1 additional controller medication (eg, LABA, leukotriene receptor antagonist [LTRA], LAMA, methylxanthine, oral corticosteroids up to a daily dose of 10 mg prednisone equivalent) for at least 90 days prior to the screening visit with a stable dose for at least 30 days prior to the screening visit.
- Documented history of ≥ 1 asthma exacerbation in the past year prior to the screening visit, with at least 1 exacerbation during treatment with medium-dose to high doses of ICS (> 250 μg fluticasone propionate or equivalent ICS).
- Morning pre-BD FEV1 ≥ 35% and ≤ 90% of predicted normal at the screening visit and day 1 pre-randomization visits.
Key exclusion criteria (12 listed)
- Asthma exacerbation that results in emergency treatment or hospitalization, or treatment with systemic steroids at any time from 30 days prior to the day 1 pre randomization visit.
- Any clinically important pulmonary disease other than asthma.
- Current smoker, including active vaping of any products and/or marijuana, or former smoker with cessation within 6 months of screening, or history of > 10 pack-years.
- Suspicion of, or confirmed, coronavirus disease 2019 (COVID-19) infection during the screening period including known history of COVID-19 infection within 4 weeks prior to Screening; mechanical ventilation or extracorporeal membrane oxygenation (ECMO) secondary to COVID-19 within 3 months prior to screening; participants with COVID-19 infection who have not yet sufficiently recovered to participate in the procedures of a clinical trial.
- Active chronic or acute infection requiring treatment with systemic antibiotics, antiviral, antiparasitic, antiprotozoal, or antifungals which has not completely resolved, or for which therapy has not been completed, within 4 weeks before day 1 pre-randomization visit.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| RocatinlimabAlso: AMG 451Rocatinlimab will be administered by SC injection. | Drug | Treatment Arm B: Dose 1 Rocatinlimab, Treatment Arm C: Dose 2 Rocatinlimab, Treatment Arm D: Dose 3 Rocatinlimab |
| PlaceboPlacebo will be administered by SC injection. | Drug | Treatment Arm A: Placebo |
Primary outcome
Annualized Rate of Composite Endpoint for Exacerbations (CompEx) Events During the Blinded Treatment Period
Time frame: Up to Week 48
17 secondary outcomes
Annualized Asthma Exacerbation Rate (AAER)
Time frame: Up to Week 48
Change From Baseline in Pre-bronchodilator (BD) Forced Expiratory Volume in 1 Second (FEV1)
Time frame: Baseline and Week 48
Change From Baseline in Asthma Control Questionnaire 6 (ACQ-6) Score at Week 48
Time frame: Baseline and Week 48
Change From Baseline in Pre-BD FEV1
Time frame: Baseline and Week 56
Change From Baseline in Asthma Symptom Diary (ASD) Score
Time frame: Baseline and Week 48
Number of Participant Achieving ACQ-6 Response at Week 48
Time frame: Week 48
Change From Baseline in ACQ-6
Time frame: Baseline and Week 48
Change From Baseline in Asthma Quality of Life Questionnaire with Standardized Activities (AQLQ [S]) Self-Administered Score
Time frame: Baseline, Weeks 12, 24, 36 and 48
Number of Participants Achieving AQLQ (S) Response at Week 48
Time frame: Week 48
Annualized Rate of Asthma Exacerbation Leading to Hospitalization or Emergency Room Visits During the Blinded Treatment Period
Time frame: Up to Week 48
Time to First Asthma Exacerbation Event
Time frame: Up to 62 weeks
Time to First CompEx Event
Time frame: Up to Week 48
Number of Participants with a CompEx Event During the Double Blinded Treatment Period
Time frame: Up to Week 48
Annualized Rate of CompEx Events
Time frame: Up to Weeks 12, 24 and 36
Change From Baseline in Fractional Exhaled Nitric Oxide (FeNO) Levels
Time frame: Baseline and Week 56
Serum Rocatinlimab Concentrations
Time frame: Up to 56 weeks
Trough Concentration (Ctrough) of Rocatinlimab
Time frame: Up to 56 weeks
Results and safety
The study was stopped early (reason given: Sponsor Decision). Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 11 Aug 2026.
- AmgenTrials clinical trials websiteLink provided by the sponsor.
- Individual participant dataSharing planned: Yes. De-identified individual patient data for variables necessary to address the specific research question in an approved data sharing request.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
MD study director
Amgen
154 sites in 19 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2 study testing Rocatinlimab in people with Asthma, run by Amgen at 154 sites in 19 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 6 inclusion and 12 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: stopped early, as of the sponsor's last update on 11 Aug 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 154 sites in United States, China, Japan, Argentina, Poland and 14 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study was stopped early (reason given: Sponsor Decision). Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Annualized Rate of Composite Endpoint for Exacerbations (CompEx) Events During the Blinded Treatment Period (time frame: Up to Week 48). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 11 Aug 2026; AzTrials last refreshed its copy on 30 Oct 2026.