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ClinicalTrials.gov public records Last synced Sep 1, 2026, 2:21 PM EDT

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Showing 1–24 of 58 matching trials from the live ClinicalTrials.gov search.
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Conditions
Postural Orthostatic Tachycardia Syndrome
Interventions
Efgartigimod, Placebo
Drug
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
11
States / cities
La Jolla, California • Palo Alto, California • Glenview, Illinois + 8 more
Conditions
Spinal Muscular Atrophy (SMA)
Interventions
ARGX-119 IV, Placebo IV
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
5 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
16
States / cities
Little Rock, Arkansas • San Diego, California • Stanford, California + 13 more
Conditions
Antibody-mediated Rejection
Interventions
Efgartigimod PH20 SC - prefilled syringe, Placebo PH20 SC - prefilled syringe
Combination Product · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years to 80 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
8
States / cities
Birmingham, Alabama • Los Angeles, California • Chicago, Illinois + 5 more
Conditions
Multifocal Motor Neuropathy (MMN)
Interventions
ARGX-117, Placebo
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
6
States / cities
Scottsdale, Arizona • Glenview, Illinois • Minneapolis, Minnesota + 3 more
Conditions
Delayed Graft Function
Interventions
ARGX-117, Placebo
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years to 70 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
8
States / cities
Los Angeles, California • Tampa, Florida • Chicago, Illinois + 5 more
Conditions
Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)
Interventions
efgartigimod PH20 SC in stage B, placebo in stage B
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
322 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
45
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 38 more
Conditions
Thyroid Eye Disease
Interventions
Efgartigimod PH20 SC, Placebo PH20 SC
Combination Product · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
11
States / cities
Los Angeles, California • Mission Hills, California • Rancho Cordova, California + 8 more
Conditions
Thyroid Eye Disease
Interventions
Efgartigimod PH20 SC, Placebo PH20 SC
Combination Product · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
16
States / cities
Beverly Hills, California • Irvine, California • Los Angeles, California + 13 more
Conditions
Bullous Pemphigoid
Interventions
efgartigimod PH20 SC, placebo, Prednisone
Biological · Other · Drug
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
21
States / cities
Phoenix, Arizona • Fountain Valley, California • Redwood City, California + 18 more
Conditions
AChR-Ab Seropositive Generalized Myasthenia Gravis, Myasthenia Gravis, MG, gMG, Generalized Myasthenia Gravis, Generalized Myasthenia Gravis (gMG)
Interventions
Efgartigimod IV, Empasiprubart IV
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
11
States / cities
Carlsbad, California • Miami, Florida • Tampa, Florida + 8 more
Conditions
Chronic Inflammatory Demyelinating Polyradiculoneuropathy, CIDP, CIDP (Chronic Inflammatory Demyelinating Polyradiculoneuropathy)
Interventions
Efgartigimod PH20 SC
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Wilmington, North Carolina
Conditions
Generalized Myasthenia Gravis
Interventions
ARGX-113, Placebo
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
25
States / cities
Phoenix, Arizona • Carlsbad, California • Los Angeles, California + 21 more
Conditions
Epidermolysis Bullosa (EB), Epidermolysis Bullosa Acquisita, Recessive Dystrophic Epidermolysis Bullosa, Dystrophic Epidermolysis Bullosa
Interventions
Efgartigimod
Biological
Lead sponsor
M. Peter Marinkovich
Other
Eligibility
12 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Redwood City, California
Conditions
Generalized Myasthenia Gravis
Interventions
efgartigimod PH20 SC
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
13
States / cities
Carlsbad, California • Palo Alto, California • Boca Raton, Florida + 10 more
Conditions
Multifocal Motor Neuropathy
Interventions
ARGX-117, Placebo
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
13
States / cities
Scottsdate, Arizona • San Francisco, California • Washington D.C., District of Columbia + 10 more
Conditions
Chronic Inflammatory Demyelinating Polyneuropathy, CIDP, CIDP - Chronic Inflammatory Demyelinating Polyneuropathy
Interventions
empasiprubart, IVIg, empasiprubart-placebo, IVIg-placebo
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
14
States / cities
Birmingham, Alabama • Rancho Mirage, California • Colorado Springs, Colorado + 10 more
Conditions
Multifocal Motor Neuropathy
Interventions
Not listed
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
413 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
25
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Orange, California + 21 more
Conditions
Congenital Myasthenic Syndrome
Interventions
Not listed
Lead sponsor
argenx
Industry
Eligibility
2 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
6
States / cities
Sacramento, California • Chicago, Illinois • O'Fallon, Illinois + 3 more
Conditions
Dermatomyositis, Myositis
Interventions
Empasiprubart IV, Placebo IV
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
9
States / cities
Oceanside, California • DeBary, Florida • Gainesville, Florida + 6 more
Conditions
Myasthenia Gravis
Interventions
ARGX-113, Placebo
Biological · Drug
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
6
States / cities
Irvine, California • Los Angeles, California • Tampa, Florida + 3 more
Conditions
Active Idiopathic Inflammatory Myopathy, Myositis, Dermatomyositis, Polymyositis, Immune-Mediated Necrotizing Myopathy, Antisynthetase Syndrome
Interventions
EFG PH20 SC, PBO
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
40
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Beverly Hills, California + 35 more
Conditions
Optic Neuritis
Interventions
Efgartigimod Alfa, Placebo
Drug
Lead sponsor
Anastasia Vishnevetsky, MD, MPH
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts
Conditions
Systemic Sclerosis (SSc)
Interventions
Efgartigimod PH20 SC, Placebo PH20 SC
Combination Product · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
9
States / cities
Phoenix, Arizona • Los Angeles, California • Plantation, Florida + 6 more
Conditions
Generalized Myasthenia Gravis, gMG
Interventions
Efgartigimod IV or Efgartigimod PH20 SC
Biological
Lead sponsor
argenx
Industry
Eligibility
2 Years to 18 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
3
States / cities
Chicago, Illinois • Charlotte, North Carolina • Charlottesville, Virginia