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ClinicalTrials.gov public records Last synced Sep 2, 2026, 6:49 AM EDT

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Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
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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
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
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
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
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
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
Conditions
Primary Immune Thrombocytopenia
Interventions
efgartigimod PH20 SC
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
5
States / cities
Bentonville, Arkansas • Washington D.C., District of Columbia • Fort Wayne, Indiana + 2 more
Conditions
Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)
Interventions
Efgartigimod PH20 SC
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
25
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 21 more
Conditions
Generalized Myasthenia Gravis
Interventions
efgartigimod PH20 SC, efgartigimod IV
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
14
States / cities
Carlsbad, California • Orange, California • Boca Raton, Florida + 11 more
Conditions
Primary Sjogrens Disease
Interventions
Efgartigimod PH20 SC, Placebo PH20 SC
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
631 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
42
States / cities
Scottsdale, Arizona • Sun City, Arizona • Tucson, Arizona + 36 more
Conditions
Chronic Inflammatory Demyelinating Polyneuropathy
Interventions
Efgartigimod PH20 SC
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
13
States / cities
Washington D.C., District of Columbia • Maitland, Florida • Miami, Florida + 9 more
Conditions
Graves' Disease, Graves Disease
Interventions
Efgartigimod PH20 SC, Placebo PH20 SC
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
17
States / cities
Orange, California • Pasadena, California • Fleming Island, Florida + 13 more
Conditions
Pemphigus Vulgaris, Pemphigus Foliaceus
Interventions
efgartigimod PH20 SC, prednisone
Biological · Drug
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
183 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
17
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Redwood City, California + 13 more
Conditions
Myasthenia Gravis, MG, gMG, Generalized Myasthenia Gravis, Generalized Myasthenia Gravis (gMG), AChR-Ab Seropositive Generalized Myasthenia Gravis
Interventions
Efgartigimod IV, Empasiprubart IV, Placebo IV, Efgartigimod PH20 SC PFS
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
12
States / cities
Carlsbad, California • Miami, Florida • Tampa, Florida + 8 more
Conditions
Pemphigus Vulgaris, Pemphigus Foliaceus
Interventions
efgartigimod PH20 SC, Placebo, prednisone
Biological · Other · Drug
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
21
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Redwood City, California + 16 more
Conditions
AChR-Ab Seropositive Generalized Myasthenia Gravis, Myasthenia Gravis (MG), MG - Myasthenia Gravis, gMG
Interventions
Empasiprubart IV, Placebo IV, Efgartigimod PH20 SC PFS
Biological · Other · Combination Product
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
3
States / cities
Miami, Florida • Amherst, New York • Chattanooga, Tennessee
Conditions
Myasthenia Gravis, Ocular
Interventions
Efgartigimod PH20 SC, Placebo PH20 SC
Combination Product · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
20
States / cities
Scottsdale, Arizona • Loma Linda, California • Los Angeles, California + 16 more
Conditions
Bullous Pemphigoid
Interventions
efgartigimod PH20 SC, Prednisone
Biological · Drug
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
6
States / cities
Phoenix, Arizona • Fountain Valley, California • Miami, Florida + 3 more
Conditions
Myositis, Active Idiopathic Inflammatory Myopathy, Dermatomyositis, Polymyositis, Immune-Mediated Necrotizing Myopathy, Antisynthetase Syndrome
Interventions
Efgartigimod PH20 SC
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
18
States / cities
Phoenix, Arizona • Beverly Hills, California • Orange, California + 15 more
Conditions
New Onset Generalized Myasthenia Gravis (gMG)
Interventions
Efgartigimod PH20 SC
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
18
States / cities
La Jolla, California • Rancho Mirage, California • Boca Raton, Florida + 14 more