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Communication Disorders clinical trials

The registry lists 149 studies for Communication Disorders across more than 10 countries. 44 are recruiting or about to start. 23 of them are mainly about Communication Disorders (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-05. Counting its 14 narrower conditions too, such as Aphasia: 1,255 studies, 353 open.

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Status

Completed
73
Recruiting
31
Status unknown
16
Not yet recruiting
11
Terminated
8
Active, not recruiting
4

Phase

Phase 2
8
Phase 3
4
Phase 1
3

Where

United States
54
France
15
Brazil
14
Belgium
9
Italy
8
Hong Kong
8

Who runs them

University Ghent (6) · Chinese University of Hong Kong (5) · Hospital de Clinicas de Porto Alegre (5) · University of Sao Paulo (3) · University Hospital, Montpellier (3) · Albert Einstein Healthcare Network (3) · University of Liege (3) · Fondazione Don Carlo Gnocchi ETS (3)

What is being tested here

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

DrugOpenPhase 3All
Ecopipam012
Rotigotine001
Flutemetamol011

Coming up

0phase 3 studies under way
16studies finish main data collection within a year

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

Who these studies take

Of the 31 Communication Disorders studies recruiting now, 12 (39%) set no upper age limit and 11 (35%) stop at 75 or younger. 15 (48%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 6 (19%) take healthy volunteers.

Recruiting studies that take each age, of 31
AgeWomenMen
1013 (42%)13 (42%)
1814 (45%)14 (45%)
3018 (58%)18 (58%)
4020 (65%)20 (65%)
5021 (68%)21 (68%)
6521 (68%)21 (68%)
7520 (65%)20 (65%)
8517 (55%)17 (55%)

Across all 149 studies, recruiting or not: 38% stop at 75 or younger and 34% at 65; 36% take children; 1% are for women only and 2% for men only; 22% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

How long Communication Disorders studies take

Of 80 interventional studies with no phase under Communication Disorders, half reached primary completion within 26 months of starting, counting those still running.

Start to primary completionEvery sponsorIndustryNon-industry
Interventional, no phase26 mo12–43 · 80 studies—26 mo11–43 · 77 studies

Each figure is the month by which half the studies had reached primary completion, with the range in which the middle half did. Studies still running count until their last registry update; studies that stopped early are left out. Phase 1 includes early phase 1; observational means prospective or not stated, as retrospective and cross-sectional studies date a window of data rather than a study. How these figures are worked out

What changed recently

From the registry's own updates since Oct 12, 2026.

Newly registered2

Studies

Recruiting first, then most recently updated. Showing 50 of 149. Browse all 149 → or search them.