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Study of BOTOX Injections to Assess Change in Disease Symptoms in Adult Participants With Upper Limb Essential Tremor

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AbbVie

Status and phase

Active, not recruiting
Phase 2

Conditions

Upper Limb Essential Tremor (UL ET)

Treatments

Drug: Placebo for BOTOX
Biological: BOTOX

Study type

Interventional

Funder types

Industry

Identifiers

NCT05216250
2021-002191-39 (EudraCT Number)
M21-471

Details and patient eligibility

About

Upper limb essential tremor (UL ET) is a movement disorder characterized by postural and/or kinetic tremor. It can cause difficulty with everyday tasks such as writing, pouring, and eating, and patients also experience associated social embarrassment. This study will assess how safe and effective BOTOX is in treating UL ET. Adverse events and change in disease activity will be evaluated.

BOTOX is an investigational drug being developed for the treatment of UL ET. Participants are randomly assigned to 1 of the 4 groups, called treatment arms. Each group receives different treatment. There is 1 in 2 chance that participants will be assigned to placebo. Around 174 participants, aged 18 to 80 years with UL ET will be enrolled in approximately 40 sites in North America.

Participants will receive BOTOX or placebo injections in Cycle 1 and Cycle 2. In Cycle 3, participants will receive unilateral or bilateral BOTOX injections. Each cycle is 12 weeks.

There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at a hospital or clinic. The effect of the treatment will be checked by medical assessments, blood tests, checking for side effects and completing questionnaires.

Enrollment

174 patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Diagnosis of essential tremor in accordance with modified Tremor Investigation Group (TRIG) criteria as described in the protocol.

  • TREDS-Revised Scale (1-4 scale, whole numbers) unilateral score of >= 3 for the Tremor Disability Scale (TREDS) on any of the 7 unilateral items; no more than a single item score of 1 among the 7 unilateral items in the dominant limb.

  • TETRAS activities of daily living (ADL) (recorded on a 0-4 scale, whole numbers) minimum score of >= 3 on any of the 5 unilateral items; no more than a single item score of <=1 among the 5 unilateral items in the dominant limb.

  • At least one of the following criteria must also be met:

    • TETRAS UL score (0-4 scale, with 0.5 increments) of > 2 in the dominant limb on at least one of the 3 maneuvers OR
    • TETRAS Archimedes spiral task score (0-4 scale, with 0.5 increments) of > 2 in the dominant limb

Exclusion criteria

  • Any uncontrolled clinically significant medical condition other than the one under study.
  • Any medical condition that may put the participant at increased risk with exposure to BOTOX Purified Neurotoxin Complex.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

174 participants in 4 patient groups

BOTOX/BOTOX Unilateral
Experimental group
Description:
Participants will receive BOTOX in Cycle 1 and Cycle 2 and unilateral BOTOX in Cycle 3
Treatment:
Biological: BOTOX
BOTOX/BOTOX Bilateral
Experimental group
Description:
Participants will receive BOTOX in Cycle 1 and Cycle 2 and bilateral BOTOX in Cycle 3
Treatment:
Biological: BOTOX
Placebo/BOTOX Unilateral
Experimental group
Description:
Participants will receive placebo in Cycle 1 and Cycle 2 followed by unilateral BOTOX in Cycle 3.
Treatment:
Biological: BOTOX
Drug: Placebo for BOTOX
Placebo/BOTOX Bilateral
Experimental group
Description:
Participants will receive placebo in Cycle 1 and Cycle 2 followed by bilateral BOTOX in Cycle 3.
Treatment:
Biological: BOTOX
Drug: Placebo for BOTOX

Trial contacts and locations

40

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Central trial contact

ABBVIE CALL CENTER

Data sourced from clinicaltrials.gov

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