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Lennox Gastaut Syndrome clinical trials

The registry lists 68 studies for Lennox Gastaut Syndrome across more than 10 countries. 13 are recruiting or about to start. 39 of them are mainly about Lennox Gastaut Syndrome (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-13.

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Status

Completed
32
Terminated
8
Withdrawn
6
Active, not recruiting
5
Not yet recruiting
4
Recruiting
4

Phase

Phase 3
25
Phase 2
9
Phase 1
8
Phase 4
6
Early Phase 1
1

Where

United States
38
Australia
16
Spain
15
Italy
12
Poland
12
Canada
11

Who runs them

Takeda (7) · Jazz Pharmaceuticals (7) · Longboard Pharmaceuticals (5) · Eisai Inc. (4) · SK Life Science, Inc. (4) · Eisai Co., Ltd. (2) · Eisai Limited (2) · INSYS Therapeutics Inc (2)

What is being tested here

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

DrugOpenPhase 3All
Cannabidiol2713
Bexicaserin124
Carisbamate114
Clemizole hydrochloride111
BMB-101101
Soticlestat035
Fenfluramine024
Rufinamide033
Clobazam022
Topiramate022

Coming up

4phase 3 studies under way
8studies finish main data collection within a year3 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.

All 8, phase 3 first

Who these studies take

Of the 4 Lennox Gastaut Syndrome studies recruiting now, 0 (0%) set no upper age limit and 4 (100%) stop at 75 or younger. 3 (75%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 0 (0%) take healthy volunteers.

Recruiting studies that take each age, of 4
AgeWomenMen
103 (75%)3 (75%)
183 (75%)3 (75%)
303 (75%)3 (75%)
403 (75%)3 (75%)
503 (75%)3 (75%)
651 (25%)1 (25%)
750 (0%)0 (0%)
850 (0%)0 (0%)

Across all 68 studies, recruiting or not: 72% stop at 75 or younger and 69% at 65; 91% take children; 0% are for women only and 0% for men only; 1% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

Studies

Recruiting first, then most recently updated. Showing 50 of 68. Browse all 68 → or search them.