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Guillain-Barre Syndrome clinical trials

The registry lists 98 studies for Guillain-Barre Syndrome across more than 10 countries. 30 are recruiting or about to start. 67 of them are mainly about Guillain-Barre Syndrome (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-13.

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Status

Completed
43
Status unknown
16
Not yet recruiting
15
Recruiting
12
Withdrawn
6
Enrolling by invitation
3

Phase

Phase 2
10
Phase 1
8
Phase 3
8
Phase 4
2
Early Phase 1
1

Where

United States
16
France
11
China
8
Egypt
8
Switzerland
6
United Kingdom
5

Who runs them

Assiut University (11) · Novartis Vaccines (4) · Annexon, Inc. (3) · University of Aarhus (2) · Tongji Hospital (2) · LMU Klinikum (2) · University Medical Centre Ljubljana (2) · Hadassah Medical Organization (2)

What is being tested here

Drugs under test in Guillain-Barre Syndrome studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted

DrugOpenPhase 3All
Efgartigimod alfa213
Tanruprubart123
Empasiprubart101
Immunoglobulins, Intravenous025
Immunoglobulin G025
Gabapentin001
Eculizumab011
Imlifidase001
GB-0998011
4-Aminopyridine001

Coming up

2phase 3 studies under way
15studies finish main data collection within a year1 of them phase 3

Studies recruiting or running, from their records. “Main data collection” ends at the primary completion date, the sponsor’s own estimate, which often moves.

The 10 nearest, phase 3 first

Who these studies take

Of the 12 Guillain-Barre Syndrome studies recruiting now, 6 (50%) set no upper age limit and 3 (25%) stop at 75 or younger. 5 (42%) take children under 18. 1 (8%) are for women only and 0 (0%) for men only; 6 (50%) take healthy volunteers.

Recruiting studies that take each age, of 12
AgeWomenMen
104 (33%)4 (33%)
1811 (92%)11 (92%)
3011 (92%)10 (83%)
4011 (92%)10 (83%)
5011 (92%)10 (83%)
6510 (83%)10 (83%)
7510 (83%)10 (83%)
858 (67%)8 (67%)

Across all 98 studies, recruiting or not: 40% stop at 75 or younger and 32% at 65; 30% take children; 9% are for women only and 0% for men only; 30% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

What changed recently

From the registry's own updates since Oct 14, 2026.

Newly registered3

Studies

Recruiting first, then most recently updated. Showing 50 of 98. Browse all 98 → or search them.