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Primary Membranous NephropathyPhase 3PROMINENTNCT06962800

A Study to Learn More About the Effects and Safety of Felzartamab Infusions in Adults With Primary Membranous Nephropathy (PMN)

A Phase 3 study testing Felzartamab and Tacrolimus in people with Primary Membranous Nephropathy, run by Biogen at 114 sites in 11 countries.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record

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Trial summary

In this study, researchers will learn more about the use of felzartamab in participants with primary membranous nephropathy, also known as PMN. In people with PMN, autoantibodies build up in the glomeruli of the kidney. Antibodies are proteins that help the body fight off infection. Read more about this study

Who is it for?
Ages 18 to 80 years
Conditions the study is for
Primary Membranous Nephropathy
What is being tested?
Felzartamab and Tacrolimus
Could I receive a placebo?
No, everyone receives an active treatment
How many people
180 participants
Where
114 sitesin 11 countries
Study dates
22 May 2025to 17 Jan 2031
Phase
Phase 3

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 80 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Diagnosed with PMN in need of IST according to the Investigator's clinical judgment. The diagnosis of PMN must be documented with the presence of nephrotic syndrome, and hypoalbuminemia, and confirmed with a kidney biopsy either during Screening or within 5 years of signing the informed consent form (ICF) [see kidney biopsy exception below for participants positive for anti-PLA2R antibodies]. For these participants, the biopsy report with redacted protected health information must be available to be reviewed by the Sponsor or an independent nephropathologist. If the participant requires a kidney biopsy during Screening, medical monitor approval must be obtained, and all other eligibility criteria should be reviewed to ensure that the participant is otherwise eligible prior to performing the kidney biopsy.
  • Kidney biopsy exception for anti-PLA2R antibody positive participants: Participants who are positive for anti-PLA2R antibodies at Screening and have not had a kidney biopsy performed within 5 years of signing the ICF may be eligible for the study without undergoing a kidney biopsy based on medical monitor review of screening tests confirming normal estimated glomerular filtration rate (eGFR), presence of nephrotic syndrome, hypoalbuminemia, positive anti-PLA2R antibody test (defined as an anti-PLA2R antibody titer ≥ 20 RU/mL), and documentation provided by the Investigator that the work-up for secondary causes of membranous nephropathy (MN) was negative with no identifiable secondary causes.
  • Meets one of the following:
  • Newly diagnosed PMN, defined as having never received IST for PMN in the past.
  • Relapsed PMN, defined as documented achievement of CR or partial remission (PR) after treatment with an IST for PMN followed by reappearance of nephrotic range proteinuria (urine protein to creatinine ratio [UPCR] ≥ 3.0 gram per gram [g/g] from a 24-hour urine collection or proteinuria ≥ 3.5 gram per 24 hour [g/24 h]).
  • Participants must be on the maximally approved dose or maximally tolerated dose of at least one renin-angiotensin-aldosterone system (RAAS) inhibition therapy (e.g. angiotensin-converting enzyme inhibitor [ACEI], angiotensin receptor blocker [ARB], and/or mineralocorticoid receptor antagonists [MRA]) for at least 4 weeks prior to Screening. Participants not on the maximally approved dose of RAAS inhibition may be enrolled provided there is documented intolerance to maximal RAAS inhibition (e.g., angioedema, development of postural hypotension, lightheadedness, hyperkalemia, etc). Participants on MRA therapy alone at Screening must have documented prior intolerance of ACEI or ARB therapy. Participants who do not tolerate ACEI or ARB therapy are not required to start MRA therapy prior to Screening.
  • A UPCR of ≥ 3.0 g/g (as determined by a 24-hour urine collection) or total proteinuria ≥ 3.5 g/24 h (as determined by a 24-hour urine collection) at Screening after best supportive care for at least 4 weeks prior to signing the ICF.

Who cannot join

  • Secondary cause of MN (e.g., malignancies, medications, systemic lupus erythematosus [SLE], hepatitis B, hepatitis C, etc).
  • Severe renal impairment is defined as an eGFR ≤ 30 mL/min/1.73m^2 at Screening or including the need for dialysis or renal replacement therapy.
  • Note: Other protocol-defined Inclusion/Exclusion criteria may apply.

Trial locations and contacts

114 sites in 11 countries. Contact the study team or a site near you to ask about taking part.

US Biogen Clinical Trial Center contact

866-633-4636

clinicaltrials@biogen.com

Global Biogen Clinical Trial Center contact

clinicaltrials@biogen.com

114 sites in 11 countries

China32 sites, 32 recruiting
  • Beijing Tsinghua Changgung Hospital

    Beijing, Beijing Municipality, 102218

    Recruiting
  • The Second Xiangya Hospital of Central South University

    Changsha, Hunan, 410011

    Recruiting
  • Daqing Oilfield General Hospital

    Daqing, Heilongjiang, 163001

    Recruiting
  • Fu Yang People's Hospital - South Campus

    Fuyang, Anhui, 236006

    Recruiting
  • Zhujiang Hospital of Southern Medical University

    Guangzhou, Guangdong, 510280

    Recruiting
  • The Affiliated Hospital of Guizhou Medical University

    Guiyang, Guizhou, 550004

    Recruiting
  • The First Affiliated Hospital, Zhejiang University School of Medicine - Qingchun Campus - PPDS

    Hangzhou, Zhejiang, 310003

    Recruiting
  • The Second Affiliated Hospital, Zhejiang University School of Medicine

    Hangzhou, Zhejiang, 310009

    Recruiting
  • Sir Run Run Shaw Hospital Zhejiang University School of Medicine - Qingchun Campus

    Hangzhou, Zhejiang, 310016

    Recruiting
  • Qilu Hospital of Shandong University

    Jinan, Shandong, 250012

    Recruiting
  • The Second Hospital of Shandong University

    Jinan, Shandong, 250033

    Recruiting
  • Gansu Provincial Hospital

    Lanzhou, Gansu, 730000

    Recruiting
  • Lanzhou University Second Hospital

    Lanzhou, Gansu, 730030

    Recruiting
  • The First Affiliated Hospital of Henan Science and Technology University - Jinghua Campus

    Luoyang, Henan, 471003

    Recruiting
  • The Second Affiliated Hospital of Nanjing Medical University - Main Campus

    Nanjing, Jiangsu, 210011

    Recruiting
  • The First Affiliated Hospital of Guangxi Medical University

    Nanning, Guangxi, 530021

    Recruiting
  • The People's Hospital of Guangxi Zhuang Autonomous Region

    Nanning, Guangxi, 530021

    Recruiting
  • The First Affiliated Hospital of Ningbo University - Yuehu Campus

    Ningbo, Zhejiang, 315010

    Recruiting
  • The Affiliated Hospital of Qingdao University - Xihaian Campus

    Qingdao, Shandong, 266555

    Recruiting
  • Ruijin Hospital Shanghai Jiaotong University School of Medicine

    Shanghai, Shanghai Municipality, 200025

    Recruiting
  • Huashan Hospital Fudan University

    Shanghai, Shanghai Municipality, 200040

    Recruiting
  • Shenzhen Hospital of Southern Medical University

    Shenzhen, Guangdong, 510086

    Recruiting
  • Peking University Shenzhen Hospital

    Shenzhen, Guangdong, 518036

    Recruiting
  • The Second Hospital of Hebei Medical University - Main

    Shijiazhuang, Hebei, 50000

    Recruiting
  • The First Hospital of Hebei Medical University

    Shijiazhuang, Hebei, 50031

    Recruiting
  • The Second Affiliated Hospital of Xian Jiaotong University

    Xi'an, Shaanxi, 710004

    Recruiting
  • The First Affiliated Hospital of Xian Jiaotong University

    Xi'an, Shaanxi, 710061

    Recruiting
  • Zhongshan Hospital Xiamen University

    Xiamen, Fujian, 361004

    Recruiting
  • Peking University First Hospital - Changqiao Campus

    Xichengqu Beijing, Beijing Municipality, 100034

    Recruiting
  • Yantai Yuhuangding Hospital

    Yantai, Shandong, 264000

    Recruiting
  • Yichang Central People's Hospital - Wujiagang Campus

    Yichang, Hubei, 443003

    Recruiting
  • Yueyang People Hospital

    Yueyang, Hunan, 414000

    Recruiting

Other trials in China

United States16 sites, 15 recruiting
  • University Hospitals Cleveland Medical Center

    Cleveland, Ohio, 44106-1716

    440-951-3500, andrew.lazar@uhhospitals.com

    Lazar, Andrew

    Recruiting
  • Nephrotex Research Group

    Dallas, Texas, 75231-0929

    214-396-4950

    Sumit Kumar

    Recruiting
  • Henry Ford Hospital- A-Basement Research Pharmacy

    Detroit, Michigan, 48202-2608

    313-900-2298

    Douglas Atchison

    Recruiting
  • The Nephrology Group, Inc. - Fresno

    Fresno, California, 93720-2989

    559-228-6600 ext. 8706

    Yangming Cao

    Recruiting
  • ECU Physicians Nephrology and Hypertension

    Greenville, North Carolina, 27834

    252-744-2545, obir@ecu.edu

    Reginald Obi

    Recruiting
  • Apogee Clinical Research, LLC

    Huntsville, Alabama, 35805-4104

    256-533-4626

    Michael Quadrini

    Recruiting
  • Knoxville Kidney Center, PLLC

    Knoxville, Tennessee, 37923-3624

    865-692-3462

    George Newman

    Recruiting
  • University of Texas Medical Branch

    League City, Texas, 77573

    409-772-2473

    Shikha Wadhwani

    Recruiting
  • Academic Medical Research Institute

    Los Angeles, California, 90022

    323-725-0051

    Mohamed El-Shahawy

    Recruiting
  • UCLA Health Connie Frank Kidney Transplant Center and General Nephrology

    Los Angeles, California, 90095-8344

    310-794-5024

    Anjay Rastogi

    Recruiting
  • University of Wisconsin School of Medicine and Public Health

    Madison, Wisconsin, 53792-0001

    608-265-0631

    Sarah Panzer

    Recruiting
  • Vanderbilt University Medical Center

    Nashville, Tennessee, 37204-3609

    615-936-1179

    Neil Sanghani

    Recruiting
  • Elixia Health - Michigan Kidney Consultants, LLC - Elixia - PPDS

    Pontiac, Michigan, 48341

    Completed
  • UCSF Medical Center

    San Francisco, California, 94143-2205

    415-353-7900

    Christopher Carlos

    Recruiting
  • Stanford University

    Stanford, California, 94305-2200

    650-721-4011

    Fahmeedah Kamal

    Recruiting
  • James J Peters Veterans Administration Medical Center - NAVREF - PPDS

    The Bronx, New York, 10468

    718-584-9000 ext. 2158

    Chang Xu

    Recruiting

Other trials in United States

India12 sites, 12 recruiting
  • Manipal Hospital Bangalore

    Bangalore, Karnataka, 560017

    Recruiting
  • M.S. Ramaiah Medical College and Hospital

    Bangalore, Karnataka, 560054

    Recruiting
  • Postgraduate Institute of Medical Education & Research (PGIMER)

    Chandigarh, 160012

    Recruiting
  • Osmania General Hospital

    Hyderabad, Andhra Pradesh, 500012

    Recruiting
  • Nizams Institute of Medical Sciences

    Hyderabad, Andhra Pradesh, 500082

    Recruiting
  • Nil Ratan Sircar Medical College and Hospital

    Kolkata, West Bengal, 700014

    Recruiting
  • Sanjay Gandhi Postgraduate Institute of Medical Sciences

    Lucknow, Uttar Pradesh, 226014

    Recruiting
  • Regency Health Super Specialty Hospital - Lucknow

    Lucknow, Uttar Pradesh, 226022

    Recruiting
  • Max Super Speciality Hospital - Saket

    New Delhi, National Capital Territory of Delhi, 110017

    Recruiting
  • Sir Ganga Ram Hospital

    New Delhi, National Capital Territory of Delhi, 110060

    Recruiting
  • Noble Hospital

    Pune, Maharashtra, 411013

    Recruiting
  • Galaxy Hospital - Varanasi

    Varanasi, Uttar Pradesh, 221010

    Recruiting

Other trials in India

Japan12 sites, 12 recruiting
  • National Hospital Organization Chiba Medical Center Chibahigashi National Hospital

    Chia-shi, Chiba, 260-8712

    Recruiting
  • Saitama Medical University Hospital

    Iruma-Gun Moroyama-Machi, Saitama, 350-0451

    Recruiting
  • Kagawa University Hospital

    Kita-Gun Uchiko-Cho, Kagawa-ken, 761-0793

    Recruiting
  • University of Miyazaki Hospital

    Miyazaki, Miyazaki, 889-1692

    Recruiting
  • Japanese Red Cross Musashino Hospital

    Musashino-shi, Tokyo, 180-8610

    Recruiting
  • Niigata University Medical & Dental Hospital

    Niigata, Niigata, 951-8520

    Recruiting
  • The Kitasato Institute Kitasato University Hospital

    Sagamihara-Shi Minami-Ku, Kanagawa, 252-0375

    Recruiting
  • Hokkaido University Hospital

    Sapporo, Hokkaidô, 060-8648

    Recruiting
  • The University of Osaka Hospital

    Suita-Shi, Osaka, 565-0871

    Recruiting
  • Social Medical Corporation Yuuaikai Yuuai Medical Center

    Tomigusuku-Shi, Okinawa, 901-0224

    Recruiting
  • Juntendo University Urayasu Hospital

    Urayasu-Shi, Chiba, 279-0021

    Recruiting
  • Yokohama City University Hospital

    Yokohama, Kanagawa, 236-0004

    Recruiting

Other trials in Japan

Australia10 sites, 10 recruiting
  • Monash Health

    Clayton, Victoria, 3168

    Recruiting
  • Concord Hospital

    Concord, New South Wales, 2138

    Recruiting
  • Townsville Hospital

    Douglas, Queensland, 4814

    Recruiting
  • Royal Brisbane and Women s Hospital

    Herston, Queensland, 4006

    Recruiting
  • St George Hospital

    Kogarah, New South Wales, 2217

    Recruiting
  • Liverpool Hospital

    Liverpool, New South Wales, 2170

    Recruiting
  • Gold Coast University Hospital

    Southport, Queensland, 4215

    Recruiting
  • Griffith University Clinical Trial Unit

    Southport, Queensland, 4215

    Recruiting
  • Sunshine Hospital - Australia

    St Albans, Victoria, 3021

    Recruiting
  • Westmead Hospital

    Westmead, New South Wales, 2145

    Recruiting

Other trials in Australia

Taiwan10 sites, 10 recruiting
  • Hualien Tzu Chi Hospital

    Hualien City, Hualien, 970

    Recruiting
  • Kaohsiung Medical University Chung-Ho Memorial Hospital

    Kaohsiung City, 80756

    Recruiting
  • Kaohsiung Chang Gung Memorial Hospital

    Kaohsiung City, 83301

    Recruiting
  • China Medical University Hospital

    Taichung, 40447

    Recruiting
  • Taichung Veterans General Hospital

    Taichung, 40705

    Recruiting
  • National Cheng Kung University Hospital

    Tainan, 70403

    Recruiting
  • MacKay Memorial Hospital

    Taipei, 104

    Recruiting
  • Taipei Medical University Hospital - PPDS

    Taipei, 11031

    Recruiting
  • Taipei Municipal Wanfang Hospital

    Taipei, 116

    Recruiting
  • Chang Gung Memorial Hospital

    Taoyuan, 33305

    Recruiting

Other trials in Taiwan

Brazil7 sites, 7 recruiting
  • Santa Casa de Misericórdia de Belo Horizonte

    Belo Horizonte, Minas Gerais, 30150-221

    55319422796

    Pedro Augusto Macedo de Souza

    Recruiting
  • Hospital de Clinicas de Porto Alegre

    Porto Alegre, Rio Grande do Sul, 90560-030

    555134000000

    Cristina Karohl

    Recruiting
  • Hospital Sao Lucas Da Pontificia Universidade Catolica Do Rio Grande Do Sul (PUCRS)

    Porto Alegre, Rio Grande do Sul, 90610-001

    555134000000, giovani.gadonski@pucrs.br

    Giovani Gadonski

    Recruiting
  • Hospital das Clinicas da Faculdade de Medicina de Ribeirao Preto da Universidade de Sao Paulo

    Ribeirão Preto, São Paulo, 14051-140

    551640000000

    Gustavo Misiara

    Recruiting
  • Fundacao Faculdade Regional de Medicina de Sao Jose Do Rio Preto Hospital de Base - PPDS

    São José do Rio Preto, São Paulo, 15090-000

    551732000000

    Fernanda Cristina Camelo Sanches

    Recruiting
  • Hospital Alemao Oswaldo Cruz (HAOC)

    São Paulo, 01327-001

    551135000000

    Victor Sato

    Recruiting
  • Centro de Pesquisa Clínica de Nefrologia do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo

    São Paulo, 05304-000

    551127000000

    Irene Noronha

    Recruiting

Other trials in Brazil

Argentina5 sites, 5 recruiting
  • Organización Médica de Investigación

    Buenos Aires, C1015ABO

    5491160000000, avmperrin@yahoo.com.ar

    Ana Malvar Perrin

    Recruiting
  • CINME S.A. - Centro de Investigaciones Metabólicas

    Buenos Aires, C1056ABI

    548889000000

    Fernando Halac

    Recruiting
  • Hospital Italiano de Buenos Aires

    Buenos Aires, C1199ABB

    541150000000

    Carlos Varela

    Recruiting
  • Centro Medico Dra. Laura Maffei- Investigacion Clinica Aplicada

    Buenos Aires, C1425

    541134723300

    Mria Smuclir Quevedo

    Recruiting
  • Clínica Privada Vélez Sarsfield

    Córdoba, X5016KET

    5403514432121

    Rafael Maldonado

    Recruiting

Other trials in Argentina

South Korea5 sites, 5 recruiting
  • Inje University Haeundae Paik Hospital

    Busan, 48108

    Recruiting
  • Seoul National University Hospital

    Seoul, Seoul Teugbyeolsi, 3080

    Recruiting
  • Hanyang University Seoul Hospital

    Seoul, 4763

    Recruiting
  • Chung-Ang University Hospital

    Seoul, 6973

    Recruiting
  • Ajou University Hospital

    Suwon, Gyeonggido, 16499

    Recruiting

Other trials in South Korea

Malaysia3 sites, 3 recruiting
  • Hospital Canselor Tuanku Muhriz UKM

    Cheras, WilayahPersekutuan KualaLumpur, 56000

    Recruiting
  • Prince Court Medical Centre

    Kuala Lumpur, 50450

    Recruiting
  • Hospital Raja Permaisuri Bainun

    Perak, Pahang, 30450

    Recruiting

Other trials in Malaysia

Canada2 sites, 2 recruiting
  • London Health Sciences Centre - Victoria Hospital

    London, Ontario, N6A 5W9

    5196858066, susan.huang@lhsc.on.ca

    Huang, Susan (Shih-Han)

    Recruiting
  • Vancouver Coastal Health Research Institute

    Vancouver, British Columbia, V5Z 1M9

    6048754323

    Sean Barbour

    Recruiting

Other trials in Canada

About this study

Official title: An Open-Label, Multicenter, Randomized Phase 3 Study Evaluating the Efficacy and Safety of Felzartamab in Participants With Primary Membranous Nephropathy (PMN) [PROMINENT]

In this study, researchers will learn more about the use of felzartamab in participants with primary membranous nephropathy, also known as PMN. In people with PMN, autoantibodies build up in the glomeruli of the kidney. Antibodies are proteins that help the body fight off infection. An autoantibody is a type of antibody that mistakenly targets and attacks the body's own tissues. Glomeruli are the filters of the kidney that remove waste and extra fluid from the body. In PMN, the build-up of autoantibodies in the glomeruli causes damage to the kidneys.

Kidney damage can lead to too much protein and blood leaking into the urine. High levels of protein in the urine, called proteinuria, are common in people with PMN. Symptoms of PMN can include swelling in the legs and body, tiredness, and high blood pressure. If left untreated, PMN can eventually lead to kidney failure.

Read more

In this study, researchers will learn more about how a study drug called felzartamab affects people with PMN. Felzartamab is a monoclonal antibody, which means it is an antibody made in a laboratory. Felzartamab can target immune cells that produce autoantibodies, helping to lower their buildup in the kidneys. The main goal of this study is to compare how felzartamab works compared to a drug called tacrolimus. Tacrolimus is another drug given to people with PMN and kidney disease.

The main question that researchers want to answer is:

  • How many participants achieve a complete response after 104 weeks of treatment?
  • A complete response means that their urine protein levels decrease to a low level and their kidney function remains stable.

Researchers will also learn about:

  • How long it takes before the participants' disease gets worse
  • How long the participants' urine protein levels stay low
  • How many participants develop antibodies against felzartamab in the blood?
  • How many participants achieve a complete response after 76 weeks of treatment
  • How many participants have medical problems during the study
  • How felzartamab is processed by the body
  • How felzartamab affects participants' tiredness and overall physical health

The study will be done as follows:

  • Participants will be screened to check if they can join the study. This may take up to 42 days.
  • Participants will be randomized to receive either felzartamab as intravenous (IV) infusions or tacrolimus, taken orally as tablets.
  • If participants have worsening kidney function or worsening proteinuria, or if their PMN relapses, or if they show no signs of improvement in their PMN, they will have a chance to receive rescue treatment.
  • If a participant stops treatment early, there will be follow-up visits every 12 weeks until they reach Week 104.
  • In total, participants will have up to 23 study visits. Participants who do not need rescue treatment will stay in the study for up to 104 weeks. Participants who need rescue treatment will stay in the study for up to 156 weeks.
Read the detailed description

The primary objective of the study is to assess the efficacy of felzartamab compared to tacrolimus in participants with PMN in achieving complete remission (CR) of proteinuria. The secondary objectives of the study are to evaluate the efficacy of felzartamab through additional clinical endpoints and timepoints, to assess the impact of felzartamab on serum anti-phospholipase A2 receptor (PLA2R) antibodies and patient-reported outcomes, and to assess the safety, pharmacokinetics (PK) and immunogenicity of felzartamab.

Being tested
Felzartamab, Tacrolimus, Standard of Care IST

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • FelzartamabDrug

    Also called MOR202, MOR03087, TJ202, BIIB148, HIB202

    Administered intravenously

  • TacrolimusDrug

    Administered orally

  • Standard of Care ISTDrug

    Administered intravenously and orally

Study groups in NCT06962800
Study groupRoleWhat they receive
Open-Label Treatment PhaseExperimentalParticipants will receive several intravenous (IV) doses of felzartamab or oral tacrolimus in the Open-Label Treatment Phase.
Receives: Drug: Felzartamab; Drug: Tacrolimus
Non-Responder Treatment PhaseExperimentalParticipants initially randomized to felzartamab or tacrolimus who meet rescue criteria may receive regional standard of care immunosuppressive therapy (IST) per Investigator discretion or several IV doses of felzartamab, respectively, in the Non-Responder Treatment Phase.
Receives: Drug: Felzartamab; Drug: Standard of Care IST

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Percentage of Participants who Achieve Complete Remission (CR) at Week 104

    Measured: Week 104

Secondary outcomes (12)
  1. Percentage of Participants who Achieve Overall Remission (OR), Defined as CR or Partial Remission (PR) at Week 104

    Measured: Week 104

  2. Percentage of Participants who Achieve CR at Week 76

    Measured: Week 76

  3. Duration of CR

    Measured: Baseline up to Week 156

  4. Percentage of Participants With a Baseline Anti-Phospholipase A2 Receptor (PLA2R) Autoantibody Titer Greater Than 50 Relative Unit per Milliliter (RU/mL) who Achieve an OR at Week 76 and at Week 104

    Measured: Weeks 76 and 104

  5. Time to Disease Worsening

    Measured: Baseline up to Week 156

  6. Time to a Sustained Reduction in eGFR of ≥ 30% From Baseline

    Measured: Baseline up to Week 104

  7. Absolute Change in Anti-PLA2R Autoantibody Titer in Participants Positive for Anti-PLA2R at Baseline

    Measured: Baseline up to Week 156

  8. Change From Baseline in the Patient Reported Outcome Measurement Information System (PROMIS) Fatigue Scale at Week 104

    Measured: Week 104

  9. Change From Baseline in PROMIS Global Assessment of Physical Health Scale at Week 104

    Measured: Week 104

  10. Number of Participants With Treatment Emergent Adverse Event (TEAE), Serious Adverse Event (SAE) and Adverse Events of Special Interest (AESIs)

    Measured: From first dose of study drug up to end of follow-up (up to Week 156)

  11. Felzartamab Serum Concentrations Over Time

    Measured: Predose and at multiple timepoints post dose up to Week 156

  12. Number of Participants With Anti-Drug Antibodies (ADAs) Against Felzartamab

    Measured: Predose and at multiple timepoints post dose up to Week 156

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 May 2025
  2. Study start22 May 2025
  3. Primary completion28 Jan 2030 (estimated)
  4. Study completion17 Jan 2031 (estimated)

Resources

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 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
180 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06962800
Sponsor's protocol ID
299PN301
Other IDs
2024-519232-16-00
Acronym
PROMINENT
Status last verified
Sep 2026
First submitted
30 Apr 2025
Last updated
29 Sep 2026
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Yes: In accordance with Biogen's Clinical Trial Transparency and Data Sharing Policy on https://www.biogentrialtransparency.com/

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