Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 6, 2026, 2:05 PM EDT

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Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
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Conditions
Psychotic Disorders
Interventions
BI 409306, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
16 Years to 30 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
23
States / cities
Culver City, California • San Diego, California • New Haven, Connecticut + 19 more
Conditions
Healthy
Interventions
Lamotrigine, BI 409306, Placebo, BI 425809
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Long Beach, California • Marlton, New Jersey
Conditions
Schizophrenia
Interventions
BI 409306, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 55 Years
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
32
States / cities
Phoenix, Arizona • Costa Mesa, California • Garden Grove, California + 27 more
Conditions
Schizophrenia
Interventions
Placebo, BI 409306
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Austin, Texas
Conditions
Alzheimer Disease
Interventions
Placebo, BI 409306, Donepezil
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
55 Years and older
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
10
States / cities
Sherman Oaks, California • Orlando, Florida • West Palm Beach, Florida + 7 more
Conditions
Alzheimer Disease
Interventions
BI 409306, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
55 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
7
States / cities
Orange, California • Sherman Oaks, California • West Palm Beach, Florida + 4 more
Conditions
Schizophrenia, Alzheimer Disease
Interventions
Placebo matching BI 409306 25 mg, Placebo matching BI 409306 50 mg, BI 409306 25 mg, BI 409306 50 mg
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
3
States / cities
La Jolla, California • Eatontown, New Jersey • Austin, Texas
Conditions
Schizophrenia
Interventions
BI 409306 100 mg QD, BI 498306 50 mg QD, Placebo, BI 498306 25 mg QD, BI 409306 10 mg QD
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 55 Years
Enrollment
518 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
24
States / cities
Little Rock, Arkansas • Cerritos, California • Garden Grove, California + 18 more