Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 17, 2026, 4:17 AM EDT

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Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
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
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
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
27
States / cities
Orange, California • Pasadena, California • San Jose, California + 22 more
Conditions
Autoimmune Encephalitis (AE)
Interventions
Efgartigimod PH20 (ARGX-113) SC, Placebo PH20 SC
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
12 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
2
States / cities
Tucson, Arizona • Sherman, Texas
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
Systemic Sclerosis (SSc)
Interventions
Efgartigimod PH20 SC, Placebo PH20 SC
Combination Product · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
87 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
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
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