- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02862210
Low-Dose Lithium for the Treatment of Behavioral Symptoms in Frontotemporal Dementia (Lithium)
November 20, 2023 updated by: Edward D Huey, MD, Columbia University
Frontotemporal dementia (FTD) is a progressive neurodegenerative illness that affects the frontal and anterior temporal lobes of the brain.
Changes in behavior, including agitation, aggression, and repetitive behaviors, are common symptoms in FTD.
The investigators currently do not have good medications to treat these symptoms in FTD, and the medications the investigators use often have side effects.
In this project, the investigators will test the use of low-dose lithium, compared to a placebo pill, for the treatment of behavioral symptoms in FTD.
Lithium greatly reduces the behavioral symptoms of bipolar disorder, and many have found low-dose lithium to be well-tolerated in patients with dementia.
Lithium appears to inhibit the creation of a protein involved in many cases of FTD called tau.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
Behavioral symptoms of Frontotemporal dementia (FTD), including agitation, aggression, and inappropriate repetitive behaviors are common, distressing to patients and caregivers, often lead to institutionalization, and can be very difficult and expensive to treat.
There is a dearth of medication for treating these symptoms in FTD.
Typically, antidepressants and antipsychotic medications are prescribed - which low efficacy and, with the latter class, carry serious adverse effects such as parkinsonism and increased cardiovascular-related mortality.
The investigators propose a study of the efficacy of lithium carbonate compared to placebo in the treatment of agitation, aggression, and inappropriate repetitive behaviors in 60 patients with FTD in a randomized, double-blind, two-arm parallel 12-week trial.
Lithium is a highly effective treatment for mania and symptoms of agitation or aggression in bipolar disorder.
It also inhibits tau aggregation and phosphorylation, leading to considerable interest in its use as a disease-modifying treatment for tauopathies such as FTD and Alzheimer's disease.
Unfortunately, earlier trials using typical doses (i.e., doses prescribed for treatment of bipolar disorder) showed high incidence of serious adverse effects (including confusion and delirium).
For this proposed study the investigators will: 1) use lower doses and lower target serum concentrations than have preceding trials (shown in preliminary data from a Columbia study and data from other labs to be well-tolerated) and 2) target behavioral symptoms rather than cognitive outcomes.
Study Type
Interventional
Enrollment (Actual)
17
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Colin Stein
- Phone Number: 212-304-7943
- Email: cs4125@cumc.columbia.edu
Study Contact Backup
- Name: Edward D. Huey, MD
- Phone Number: 212-305-1134
- Email: edh2126@columbia.edu
Study Locations
-
-
New York
-
New York, New York, United States, 10032
- Columbia University Irving Medical Center
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-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
38 years to 83 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Age 40-85
- A diagnosis of behavioral variant FTD (bv-FTD) or semantic variant Primary Progressive Aphasia (sv-PPA, which is generally accompanied by a behavioral syndrome), or agrammatic/non-fluent Primary Progressive Aphasia (nfv-PPA) with behavioral symptoms
- Neuropsychiatric Inventory (NPI) agitation/aggression subscale score ≥4 or disinhibition subscale score ≥ 4 or repetitive behavior subscale ≥ 4 or total score ≥ 6. On each subscale, a score higher than 4 represents moderate to severe symptoms
- Folstein Mini-Mental State Examination (MMSE) score 5-26/30
- An study partner (usually a family member) is required to provide information during interviews about the patient
- Capacity to consent. Subjects without capacity to consent must have capacity to appoint a surrogate
- Structural MRI or CT scan after symptom onset
Exclusion Criteria:
- Medical contraindication or history of intolerability to lithium, falls in the last month, current abnormal thyroid functions (T3, T4 or thyroid stimulating hormone (TSH); treated hypothyroidism with normal thyroid function tests will not lead to exclusion), creatinine level > 1.5 mg/100 ml or glomerular filtration rate < 44 ml/min/1.73m2 will also lead to exclusion
- The diagnosis of bipolar disorder or schizophrenia or schizoaffective disorder
- Alcohol or substance use disorder in the prior 6 months
- Current diagnosis of other major neurological disorder, e.g., Alzheimer's Disease (AD), stroke with residual clinical deficits, multiple sclerosis, Parkinson's disease. Subjects with MRI or CT evidence of cerebrovascular disease but without clinical signs of stroke will be included
- Sitting blood pressure > 150/90 mm Hg, unstable cardiac disease, severe or unstable medical illness
- Use of medications, including diuretics, known to have adverse effects when combined with lithium. Use of antipsychotic medications will be permitted
- Current major depression or suicidality or dangerous behavior with risk of harm to self and others
- Corrected QT interval (QTc) interval > 460 ms at the time of baseline electrocardiogram (EKG)
- Woman of child-bearing potential
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Lithium carbonate
Lithium will be prescribed starting at 150 mg/day, with subsequent dose titration to 300, 450, and 600 mg/day as tolerated according to side effects and blood lithium level.
|
Lithium will be prescribed starting at 150 mg/day, with subsequent dose titration to 300, 450, and 600 mg/day as tolerated according to side effects and blood lithium level.
Other Names:
|
Placebo Comparator: Placebo
Placebo will be prescribed starting at 1 pill per day, with subsequent dose titration to 2,3, and 4 pills per day as tolerated by sham blood lithium levels provided by an unblinded study team member.
|
Placebo will be prescribed starting at 1 pill per day, with subsequent dose titration to 2,3, and 4 pills per day as tolerated by sham blood lithium levels.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in agitation and aggression as measured by the Neuropsychiatric Inventory Scale (NPI)
Time Frame: 12 weeks
|
The NPI is a scale designed to assess behavioral changes due to neurological illness.
It uses a standardized caregiver interview to rate patient symptoms in a variety of domains, including "Agitation/Aggression."
Each domain includes a number of questions about potential specific symptoms, and then asks the caregiver to rate symptom frequency (1, occasionally, to 4, very frequently) as well as symptom severity (1, mild, to 3, severe).
Thus, in each domain a patient can score from 0-12, with 0 being no symptoms and 12 being very frequent and severe symptoms.
The study aims to test that lithium will significantly reduce agitation/aggression as compared to placebo by testing whether participants taking lithium show a greater reduction in their NPI "Agitation/Aggression" domain score over the course of the trial.
|
12 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of responders in the lithium and placebo groups
Time Frame: 12 weeks
|
Response requires a 30% decrease in NPI core score (sum of domain scores for "Agitation/Aggression" and "Aberrant Motor Behavior") plus a Clinical Global Impression (CGI) Change score of much improved or very much improved (CGI based on these behavioral symptoms only).
|
12 weeks
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in motor symptoms as measured by the NPI
Time Frame: 12 weeks
|
NPI domain "Aberrant Motor Behaviors" will be observed to test that lithium will significantly reduce repetitive behaviors as compared to placebo, by examining whether participants taking lithium show a greater reduction in their "Aberrant Motor Behaviors" NPI domain score.
|
12 weeks
|
Presence of adverse events as measured by the Treatment Emergent Symptoms Scale (TESS)
Time Frame: 12 weeks
|
The tolerability of low-dose lithium by assessing emergent side effects over the course of the 12-week trial will be assessed.
The side effects will be captured with TESS in which 30 symptoms are rated either "Absent," "Mild," "Moderate," or "Severe."
The change in TESS score from baseline to week 12 will be observed.
|
12 weeks
|
The relationship between changes in brain-derived neurotropic factor (BDNF) serum levels and changes in NPI "Agitation/Aggression" score and "Aberrant Motor Behavior" score
Time Frame: 12 weeks
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The baseline serum BDNF levels as a potential baseline predictor of lithium treatment response and an increase from pre to post-treatment BDNF levels as a potential biomarker correlate of improvement in symptoms (as measured by the NPI) will be explored.
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12 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Edward Huey, MD, Brown University
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
January 27, 2017
Primary Completion (Actual)
November 20, 2022
Study Completion (Actual)
November 20, 2022
Study Registration Dates
First Submitted
August 7, 2016
First Submitted That Met QC Criteria
August 9, 2016
First Posted (Estimated)
August 10, 2016
Study Record Updates
Last Update Posted (Actual)
November 22, 2023
Last Update Submitted That Met QC Criteria
November 20, 2023
Last Verified
November 1, 2023
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Mental Disorders
- Metabolic Diseases
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Neurologic Manifestations
- Neurobehavioral Manifestations
- Neurocognitive Disorders
- Neurodegenerative Diseases
- TDP-43 Proteinopathies
- Proteostasis Deficiencies
- Language Disorders
- Communication Disorders
- Speech Disorders
- Frontotemporal Lobar Degeneration
- Aphasia
- Dementia
- Frontotemporal Dementia
- Aphasia, Primary Progressive
- Pick Disease of the Brain
- Behavioral Symptoms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Central Nervous System Depressants
- Enzyme Inhibitors
- Tranquilizing Agents
- Psychotropic Drugs
- Antidepressive Agents
- Antimanic Agents
- Lithium Carbonate
Other Study ID Numbers
- NYSPI 7310
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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