Dual Treatment With Lithium and Valproate in ALS.

August 6, 2020 updated by: Marie Catherine Boll Woehrlen, El Instituto Nacional de Neurologia y Neurocirugia Manuel Velasco Suarez

A Randomized Clinical Trial, Double Blind, Placebo-controlled of Lithium and Valproate in Amyotrophic Lateral Sclerosis.

This is a pilot study in 40 subjects with definite ALS to evaluate the efficacy of valproate and lithium carbonate. After a random assignation of the dual treatment vs. placebo, a follow-up of 20 months will allow to know the clinical and functional evolution so as the status of biomarkers under each treatment.

Study Overview

Detailed Description

Amyotrophic lateral sclerosis (ALS) is a rare but fatal condition of the motor neuron. Despite intense therapeutic research in recent years, riluzole remains the only drug with proven efficacy in patients with this disease. In 2008 an Italian clinical-basic study reported benefits with lithium carbonate in both the experimental model of ALS and in a small sample of patients. In the same year, two Chinese studies showed a synergistic neuroprotective effect of valproate administered with lithium in neuronal cultures and in G93A ALS transgenic models.

A clinical trial with lithium carbonate and magnesium valproate,conducted from 2009 to 2012 in 18 patients with diagnostic criteria of ALS compared to a sample of 31 contemporary patients who did not receive the drug showed functionnal stability and an increase in antioxidant defenses in subjects under double treatment. Despite the low level of evidence from this open study, the combination of clinical and biological results as well as the significant increase in survival of treated subjects invites us to conduct a study yielding harsh results on the efficacy of dual treatment.

To obtain harder data, the study will include 40 subjects with random assignation of the treatments (active vs. placebo) by electronic means. The development of the placebo tablets will be in charge of two pharmaceutical companies. Their delivery and purchase will be performed by a nursing team, the same team that will store and conserve the treatments. The preparation and packaging of the tablets for two months for 10 patients will be done regularly in a sterile environment. Two computer engineers will be in charge of the elaboration of the labels and the numerical draw of the treatments. The coordinator of the study will request the treatments in the nursing warehouse equipped with humidity and temperature control. Another person will be trained to make contacts, home deliveries, bottle changes and tablet counts. The appointments will be scheduled by the researchers every 2 months as well as biosecurity exams and magnetic resonance studies in each patient within a 20-month interval.

This pilot study will allow the treatment efficacy to calculate the sample size required for the national and international multicenter clinical trial if relevant, to be promoted at the Mexican Academy of Neurology. It will also allow the study of the behavior of blood and MRI biomarkers ( SOD activity , DTI in cortico-spinal tract, and morphometric indexes).

Study Type

Interventional

Enrollment (Actual)

43

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 Locations

    • Distrito Federal
      • Mexico City, Distrito Federal, Mexico, 14269
        • Instituto Nacional de Neurologia Y Neurocirugia Mvs

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

40 years to 70 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • patients aged 40 to 70 years
  • of both genders
  • female patients who are either postmenopausal for at least 24 months or who are able to practice 2 methods of contraception.
  • Clinical diagnosis of definite ALS supported by neurophysiological studies, according to El Escorial reviewed criteria and Awaji criteria.
  • Sporadic ALS, a priori.
  • Onset of weakness for 1 year ± 6 months
  • Vital capacity of at least 60 % of the predicted value
  • Other treatment (with riluzole or not) at fixed dosis 2 months before and during all the clinical trial.
  • Patients who are willing to give informed consent
  • Without gastrostomy
  • Without jejunostomy
  • Without traqueostomy

Exclusion Criteria:

  • Age less than 25 years**
  • Patients with uncontrolled diabetes
  • Patient with heart failure
  • Patient with respiratory vital capacity < 60%
  • Hepatic failure
  • Dysthyroidism
  • Do not give or sign informed consent
  • Women in lactation, pregnancy or possibility of pregnancy
  • Patients with significant sensory abnormalities and uncompensated medical illnesses
  • Laboratory abnormalities consistent with clinically significant cardiovascular, respiratory, haematological, metabolic, hepatic and renal disease.
  • Patients with gastrostomy
  • With jejunostomy
  • With nasogastric tube
  • Tracheotomy and invasive ventilation
  • Treatment with investigational drug within 3 months prior to screening

    • Patients aged 26 to 39 years can be included at the discretion of medical researchers.

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: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Active treatment with dual therapy
This group is composed by 20 ALS subjects under 600mg valproate and 600 mg of litium carbonate per day, during 21 months. The tablets are given orally with meals.
Blue pills ( 200 mg of magnesium valproate ) and white pills ( 300 mg of lithium carbonate) are administered orally with meals.
Placebo Comparator: placebos
This group is composed by 20 ALS subjects under placebo. Blue tablets ( placebo of VPA) and white tablets (placebo of Li) are administered under the same conditions.
Administered orally under the same conditions

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Changes in ALSFRS-R
Time Frame: Every 2 months for 20 months
To evaluate the effect of VPA+Li on progression of ALS by measuring functionnal changes from baseline in ALSFRS-R.
Every 2 months for 20 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Changes in score in ALSAQ-5
Time Frame: Baseline, Month 10, Month 20
Changes from baseline in ALSAQ-5, a brief self-administered quality of life scale.
Baseline, Month 10, Month 20
Changes from baseline in FA (fractional anisotropy)
Time Frame: Baseline and month18
DTI biomarkers in corticospinal tract are measured in 6 regions bilaterally
Baseline and month18

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: MARIE CATHERINE BOLL, MD,PhD., 525556063822

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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)

May 1, 2016

Primary Completion (Actual)

April 1, 2019

Study Completion (Actual)

August 1, 2019

Study Registration Dates

First Submitted

June 28, 2017

First Submitted That Met QC Criteria

June 28, 2017

First Posted (Actual)

July 2, 2017

Study Record Updates

Last Update Posted (Actual)

August 10, 2020

Last Update Submitted That Met QC Criteria

August 6, 2020

Last Verified

February 1, 2019

More Information

Terms related to this study

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

No

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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