Amyotrophic Lateral Sclerosis Clinical Trial
— TCZALS-001Official title:
A Phase 2 Randomized, Placebo Controlled Trial of Tocilizumab in ALS Subjects
Verified date | December 2019 |
Source | Barrow Neurological Institute |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This research study is being done to find out if tocilizumab, also known as Actemra™, can
help with Amyotrophic Lateral Sclerosis (ALS). The investigators also want to find out if
tocilizumab is safe to take without causing too many side effects.
Currently ALS has no cure and 2 modestly effective treatment to slow the progression of the
disease. Although not the initial cause of ALS, the immune system plays a role in the death
of motor neurons. The immune cells that participate in this process are stimulated by a
substance called interleukin-6 (IL-6) whose effect is blocked by tocilizumab and thus, may
slow the death of motor neurons and slow the disease.
Status | Completed |
Enrollment | 22 |
Est. completion date | July 11, 2018 |
Est. primary completion date | July 11, 2018 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 75 Years |
Eligibility |
Inclusion Criteria: - Participants with ALS (El Escorial criteria: possible, laboratory-supported probable, probable or definite) - Capable of providing informed consent and complying with trial procedures. - High inflammatory profile of PBMC gene expression - Upright SVC =40% of predicted value for gender, height and age at Screening and in the opinion of the investigator is able to comply with and complete the trial. - Women must not be able to become pregnant for the duration of the study. - Negative tuberculosis blood or skin test at Screening - Not taking riluzole, or on a stable dosage for at least 30 days prior to Screening. - Subjects medically able to undergo lumbar puncture (LP) - Subjects must agree not to take live attenuated vaccines 30 days before Screening, throughout the duration of the trial and for 60 days following the subject's last dose of study drug - Geographic accessibility to the study site Additional MRI-PET Inclusion Criteria (MGH only): - High or mixed affinity to bind TSPO protein (Ala/Ala or Ala/Thr) (see section 7.1) - Upper Motor Neuron Burden (UMNB) Scale Score =25 (out of 45) at the Screening Visit. - Able to safely undergo MRI-PET scans based on the opinion of the site investigator. Exclusion Criteria: - Prior use of Tocilizumab, cell-depleting therapies, alkylating agents, total lymphoid irradiation - Stem cell therapies - Dependence on mechanical ventilation as defined as being unable to lay supine without it, unable to sleep without it, or continuous daytime use - Presence of tracheostomy at Screening - Exposure to any anti-inflammatory agent currently under investigation for the treatment of patients with ALS (off label use or investigational) within 30 days prior to the Screening Visit (examples include NP001 and Lunasin). Medications that do not have an anti-inflammatory mechanism, such as mexiletine or retigabine are allowed if on stable dose for 30 days prior to Screening visit - Treatment with a prohibited medication within 30 days of the Screening Visit - Treatment with intravenous gamma globulin, plasmapheresis or Prosorba column within 6 months of Screening - Presence of diaphragm pacing system at Screening. - Primary or secondary immunodeficiency (history of or currently active) unless related to primary disease under investigation - History of or active diverticulitis, diverticulosis requiring antibiotic treatment, peptic ulcer disease, or gastrointestinal (GI) tract perforation, or chronic ulcerative lower GI disease such as Crohn's disease, ulcerative colitis or other symptomatic lower GI conditions that might predispose to perforations - Known active current or history of recurrent bacterial, viral, fungal, mycobacterial or other opportunistic infections. - History of severe allergic or anaphylactic reactions to human, humanized or murine monoclonal antibodies - Presence of any of the following clinical conditions: bleeding diathesis, or any other clinical condition that would, in the opinion of the investigator, place the patient at increased risk during LP. Drug abuse or alcoholism within the past 12 months. Unstable cardiac, pulmonary, renal, hepatic, endocrine, hematologic, or active infectious disease, including current or prior malignancy. Rheumatic autoimmune disease, mixed connective tissue disease, scleroderma, polymyositis, or significant systemic involvement secondary to rheumatoid arthritis. Evidence of active malignant disease, malignancies diagnosed within the previous 5 years, or breast cancer diagnosed within the previous 5 years. Human immunodeficiency virus infection or other immunodeficient state.Uncontrolled hypertension defined as systolic blood pressure > 170 or diastolic blood pressure > 110. Unstable psychiatric illness defined as psychosis or untreated major depression within 90 days of the Screening Visit - Any major episode of infection requiring hospitalization or treatment with IV antibiotics within 4 weeks of screening - Screening alanine aminotransferase (ALT), aspartate aminotransferase (AST), or total bilirubin > than 1.5 times the upper limit of normal (ULN), serum creatinine > 1.6 mg/dL in female patients and > 1.9 mg/dL in male patients (patients with serum creatinine values exceeding limits may be eligible for the study if their estimated glomerular filtration rate (GFR) are >30), hemoglobin < 85 g/L, white blood cells < 3.0 x 109/L, absolute neutrophil count of <2000/mm3, absolute lymphocyte count < 0.5 x 109/L, platelet concentration of <100,000/mm3, positive Hepatitis B surface antigen (HBsAg) - Pregnant women or women currently breastfeeding - No history of chicken pox infection or no history of varicella zoster vaccination - Any reason in the opinion of the investigator that the patient may not be able to comply with study procedures, complete the study or is unsuitable for immunosuppressive therapy. Additional MR-PET Exclusion Criteria (MGH only): - Any contraindication to undergo MRI studies such as - History of a cardiac pacemaker or pacemaker wires - Metallic particles in the body - Vascular clips in the head - Prosthetic heart valves - Claustrophobia - Radiation exposure that exceeds the site's current guidelines - Current use of tobacco products including cigarettes, e-cigarettes, cigars, snuff and chewing tobacco, or nicotine replacement products such as gum, or patch - Taking any other anti-inflammatory or immune modulating medications except for over the counter NSAIDs - Unwilling or unable to discontinue benzodiazepine usage (other than Lorazepam, Clonazepam, or Zolpidem) for one day prior to scanning |
Country | Name | City | State |
---|---|---|---|
United States | Massachusetts General Hospital | Boston | Massachusetts |
United States | Penn State College of Medicine Milton S. Hershey Medical Center | Hershey | Pennsylvania |
United States | University of Kansas Medical Center | Kansas City | Kansas |
United States | Barrow Neurological Institute | Phoenix | Arizona |
United States | Wake Forest University School of Medicine | Winston-Salem | North Carolina |
Lead Sponsor | Collaborator |
---|---|
Barrow Neurological Institute | ALS Association, Barrow Neurological Foundation, Genentech, Inc., Massachusetts General Hospital |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of Patients Tolerant to Study Drug | Tolerability will be assessed by on the proportion of participants remaining on study drug through all 3 doses and remaining on study and free from possibly drug-related and dose-limiting SAEs to the end of follow-up. Safety will be assessed by the occurrence of severe adverse events (SAEs), overall rates of adverse events (AEs), clinically significant abnormal laboratory tests, and changes in vital signs. | 16 weeks | |
Primary | Rates of All-cause Mortality | Safety will be assessed by the occurrence of all-cause mortality. | 16 weeks | |
Secondary | Rate of Decline in Slow Vital Capacity (SVC) | Efficacy will be assessed by the change in the rate of change of SVC as measured by change in percent predicted per month. The SVC is a measure of lung capacity that is reported as the percent of the predicted value expected based on gender and height. In ALS patients, this measure declines over time as a result of progressive respiratory muscle weakness. | 16 weeks | |
Secondary | Rate of Decline ALS Functional Rating Scale Revised (ALSFRS-R) | Efficacy will be assessed by the mean change in ALSFRS-R total score.The ALSFRS-R scale measures the functional capabilities of an ALS patient in multiple domains such as swallowing, speech, fine motor, and breathing functions. It ranges from a maximum score of 48 for normal functioning to 0 for death or dependance on mechanical ventilation and declines by approximately 1 point per month on average for an ALS patient. | 16 weeks | |
Secondary | Rate of Decline Handheld Dynamometry (HHD) | Efficacy will be assessed by the change in the rate of change of HHD upper and lower extremity mega-scores. HHD utilizes an electronic pressure sensor to measure strength of individual muscles in kilograms. To calculate megascores, the mean and standard deviation of each muscle or muscle group, without regard to laterality, will be calculated from the baseline assessment of all participants. Strength estimates of each bilateral muscle or muscle group will be converted to Z scores by subtracting the relevant mean and dividing by the relevant standard deviation. Z scores for all upper extremity measurements (shoulder flexion, elbow flexion, elbow extension, wrist extension, and first dorsal interosseous contraction) and all lower extremity measurements (hip flexion, knee flexion, knee extension, and ankle dorsiflexion) will be averaged to yield upper and lower extremity megascores. Larger values indicate greater strength. | 16 weeks | |
Secondary | Change in Peripheral Blood Mononuclear Cell (PBMC) Gene Expression | Target engagement will be assessed by comparing the PBMC fold change in cytokine gene expression from baseline to week 4-16 average of ALS patients receiving drug versus placebo. | 16 weeks | |
Secondary | Changes in Cytokine Levels in the Plasma | Target engagement will be assessed by mean change in plasma cytokine concentration between weeks 4 and 16 in ALS subjects receiving placebo or active drug. | 16 weeks | |
Secondary | Change in Mean Concentration Cytokines in the Cerebrospinal Fluid (CSF) | Target engagement will be assessed by the mean change in CSF cytokine concentration between baseline and week 8 in ALS subjects receiving placebo or active drug. | 8 weeks | |
Secondary | Change in CSF Soluble Interleukin-6 (sIL-6) Receptor Concentrations | Target engagement will be assessed by comparing the mean change in CSF sIL-6 receptor concentrations (ng/mL) between baseline and week 8 of the placebo and active drug groups. | 8 weeks | |
Secondary | Peripheral Benzodiazepine Receptor 28 (PBR28) Positron Emission Tomography (PET) | Measure the effects of tocilizumab on reducing glial activation measured by PBR28 PET in a subset of trial participants. | 8 weeks |
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