Last Updated: May 26, 2026

CLINICAL TRIALS PROFILE FOR BENZTROPINE MESYLATE


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All Clinical Trials for benztropine mesylate

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00000793 ↗ A Phase II/III Double-Blind Study of Amitriptyline and Mexiletine for Painful Neuropathy in HIV Infection Completed Boehringer Ingelheim Phase 2 1969-12-31 To assess the efficacy, safety, and tolerability of amitriptyline hydrochloride versus mexiletine hydrochloride in reducing pain intensity in patients with HIV-related painful peripheral neuropathy. No large-scale controlled clinical trials of symptomatic therapy for painful HIV-related neuropathy have been attempted. Both amitriptyline and mexiletine have been useful in the management of painful neuropathies; however, both are associated with certain toxicities. In this comparative study of amitriptyline and mexiletine, benztropine mesylate also will be included as an active placebo to mimic the side effects of the study drugs.
NCT00000793 ↗ A Phase II/III Double-Blind Study of Amitriptyline and Mexiletine for Painful Neuropathy in HIV Infection Completed National Institute of Allergy and Infectious Diseases (NIAID) Phase 2 1969-12-31 To assess the efficacy, safety, and tolerability of amitriptyline hydrochloride versus mexiletine hydrochloride in reducing pain intensity in patients with HIV-related painful peripheral neuropathy. No large-scale controlled clinical trials of symptomatic therapy for painful HIV-related neuropathy have been attempted. Both amitriptyline and mexiletine have been useful in the management of painful neuropathies; however, both are associated with certain toxicities. In this comparative study of amitriptyline and mexiletine, benztropine mesylate also will be included as an active placebo to mimic the side effects of the study drugs.
NCT06232473 ↗ Patient Education and Duloxetine, Alone and in Combination, for Patients With Multisystem Functional Somatic Disorder RECRUITING Aalborg University Hospital PHASE4 2024-01-01 The goal of this clinical trial is to test if patient education or duloxetine can be used to treat multisystem functional somatic disorder (FSD). The main questions it aims to answer are: * Does duloxetine work better than placebo in the treatment of FSD? * Does patient education work better than usual treatment for FSD? * Does the combination of patient education and duloxetine work better than using only one of these treatments? Participants are patients with FSD. They will receive one of six different treatment combinations: 1. Patient education alone (three individual consultations with a doctor and one group session) 2. Treatment as usual (receiving the diagnosis and a short presentation of what FSD is) 3. Duloxetine 4. Active placebo (a treatment that looks like duloxetine and has similar side effects, but no known effect on FSD) 5. Patient education and duloxetine 6. Patient education and active placebo Researchers will compare the groups receiving patient education with those receiving only treatment as usual to see if patient education is a better treatment than just receiving a diagnosis and short explanation. Furthermore, researchers will compare the groups receiving duloxetine to those receiving placebo to see if duloxetine works better than placebo. Finally, researchers will compare the groups receiving both patient education and duloxetine to those receiving only one of these treatments to see if the combination works better than the treatments given alone. The researchers will also collect samples of blood and stool in a biobank to be used in future research.
NCT06232473 ↗ Patient Education and Duloxetine, Alone and in Combination, for Patients With Multisystem Functional Somatic Disorder RECRUITING Central Denmark Region PHASE4 2024-01-01 The goal of this clinical trial is to test if patient education or duloxetine can be used to treat multisystem functional somatic disorder (FSD). The main questions it aims to answer are: * Does duloxetine work better than placebo in the treatment of FSD? * Does patient education work better than usual treatment for FSD? * Does the combination of patient education and duloxetine work better than using only one of these treatments? Participants are patients with FSD. They will receive one of six different treatment combinations: 1. Patient education alone (three individual consultations with a doctor and one group session) 2. Treatment as usual (receiving the diagnosis and a short presentation of what FSD is) 3. Duloxetine 4. Active placebo (a treatment that looks like duloxetine and has similar side effects, but no known effect on FSD) 5. Patient education and duloxetine 6. Patient education and active placebo Researchers will compare the groups receiving patient education with those receiving only treatment as usual to see if patient education is a better treatment than just receiving a diagnosis and short explanation. Furthermore, researchers will compare the groups receiving duloxetine to those receiving placebo to see if duloxetine works better than placebo. Finally, researchers will compare the groups receiving both patient education and duloxetine to those receiving only one of these treatments to see if the combination works better than the treatments given alone. The researchers will also collect samples of blood and stool in a biobank to be used in future research.
NCT06232473 ↗ Patient Education and Duloxetine, Alone and in Combination, for Patients With Multisystem Functional Somatic Disorder RECRUITING Independent Research Fund Denmark PHASE4 2024-01-01 The goal of this clinical trial is to test if patient education or duloxetine can be used to treat multisystem functional somatic disorder (FSD). The main questions it aims to answer are: * Does duloxetine work better than placebo in the treatment of FSD? * Does patient education work better than usual treatment for FSD? * Does the combination of patient education and duloxetine work better than using only one of these treatments? Participants are patients with FSD. They will receive one of six different treatment combinations: 1. Patient education alone (three individual consultations with a doctor and one group session) 2. Treatment as usual (receiving the diagnosis and a short presentation of what FSD is) 3. Duloxetine 4. Active placebo (a treatment that looks like duloxetine and has similar side effects, but no known effect on FSD) 5. Patient education and duloxetine 6. Patient education and active placebo Researchers will compare the groups receiving patient education with those receiving only treatment as usual to see if patient education is a better treatment than just receiving a diagnosis and short explanation. Furthermore, researchers will compare the groups receiving duloxetine to those receiving placebo to see if duloxetine works better than placebo. Finally, researchers will compare the groups receiving both patient education and duloxetine to those receiving only one of these treatments to see if the combination works better than the treatments given alone. The researchers will also collect samples of blood and stool in a biobank to be used in future research.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for benztropine mesylate

Condition Name

Condition Name for benztropine mesylate
Intervention Trials
Functional Disorder 1
HIV Infections 1
Peripheral Nervous System Disease 1
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Condition MeSH

Condition MeSH for benztropine mesylate
Intervention Trials
Communicable Diseases 1
Medically Unexplained Symptoms 1
Acquired Immunodeficiency Syndrome 1
Peripheral Nervous System Diseases 1
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Clinical Trial Locations for benztropine mesylate

Trials by Country

Trials by Country for benztropine mesylate
Location Trials
United States 21
Tanzania 1
Denmark 1
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Trials by US State

Trials by US State for benztropine mesylate
Location Trials
Georgia 1
Florida 1
District of Columbia 1
Colorado 1
California 1
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Clinical Trial Progress for benztropine mesylate

Clinical Trial Phase

Clinical Trial Phase for benztropine mesylate
Clinical Trial Phase Trials
PHASE4 1
Phase 2 1
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Clinical Trial Status

Clinical Trial Status for benztropine mesylate
Clinical Trial Phase Trials
Completed 1
RECRUITING 1
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Clinical Trial Sponsors for benztropine mesylate

Sponsor Name

Sponsor Name for benztropine mesylate
Sponsor Trials
Boehringer Ingelheim 1
National Institute of Allergy and Infectious Diseases (NIAID) 1
Aalborg University Hospital 1
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Sponsor Type

Sponsor Type for benztropine mesylate
Sponsor Trials
OTHER 5
Industry 3
NIH 1
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