Clinical Trial of Ultra-high Dose Methylcobalamin for ALS (JETALS)
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ClinicalTrials.gov Identifier: NCT03548311 |
Recruitment Status : Unknown
Verified June 2018 by Ryuji Kaji, University of Tokushima.
Recruitment status was: Recruiting
First Posted : June 7, 2018
Last Update Posted : June 26, 2018
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Amyotrophic Lateral Sclerosis | Drug: methylcobalamin Drug: saline solution | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 128 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Intervention Model Description: | double-blinded randomized controlled |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | Japanese Early-stage Clinical Trial of Ultra-high Dose Methylcobalamin for Amyotrophic Lateral Sclerosis: a Pivotal Phase 3 Randomized Controlled Study |
Actual Study Start Date : | November 1, 2017 |
Estimated Primary Completion Date : | February 28, 2020 |
Estimated Study Completion Date : | March 31, 2020 |

Arm | Intervention/treatment |
---|---|
Placebo Comparator: Placebo
intramuscular injection of saline solution
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Drug: saline solution
Patients receive saline solution intramuscular injection twice a week. |
Active Comparator: methylcobalamin
intramuscular injection of methylcobalamin
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Drug: methylcobalamin
Patients receive methylcobalamin 50mg intramuscular injection twice a week. |
- ALSFRS-R [ Time Frame: during 16 weks of test period ]Drop of Amyotrophic Lateral Sclerosis Functional Rating Scale-Revised (maximum or normal 48 and minimum 0; higher values represent better condition)
- survival [ Time Frame: during 16 weeks of test period ]time period from drug assignment to death or becoming bound to respirator
- %Functional Vital Capacity (FVC) [ Time Frame: during 16 weeks of test period ]changes of per cent Functional Vital Capacity
- homocystein [ Time Frame: during 16 weeks of test period ]changes of serum levels of homocystein
- Manual Muscle Testing (MMT) [ Time Frame: during 16 weeks of test period ]changes of sum of Medical Research Council scales of manual muscle testing, ranging 5 (normal), 4, 4+, 3, 2, 1, 0 (minimal) ( for analysis each is converted to 6, 5, 4, 3, 2, 1, 0) of the 11 muscles in the limbs (5x2) and neck(1)
- Norris scale [ Time Frame: during 16 weeks of test period ]changes of Norris scale (39 normal - 0 worst)
- Grip Power [ Time Frame: during 16 weeks of test period ]changes of sum of grip power in kilograms on both sides
- 40-item Amyotrophic Lateral Sclerosis Assessment Questionnaire (ALSAQ-40) [ Time Frame: during 16 weks of test period ]changes of sum of ALSAQ-40 (40-item Amyotrophic Lateral Sclerosis Assessment Questionnaire) score (40 normal - 200 worst)
- safety [ Time Frame: during 16 weks of test period ]any adverse events during the study period

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 20 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- ALS patients within 12 months after clinical onset at the entry
- Updated Awaji combined with El Escorial criteria: definite, probably or laboratory supported probable
- Decline of ALSFRSR being 1 or 2 during observation period of 12 weeks
- Japanese Clinical Severity Scale 1 or 2
- Those who can visit the participating medical centers
Exclusion Criteria:
- Those who have tracheostomy
- Those who had NIPPV
- %FVC<60%
- Those who have Chronic Obstructive Pulmonary Disease (COPD)
- Those who have symptoms and signs of B12 deficiency
- Those who had edaravone less than 4 weeks prior to entry
- Those who changed the schedule and dosing of riluzole
- Those who have dementia
- Those who have the possibility of pregnancy
- Those who have serious respiratory or cardiac diseases
- Those who have malignancies
- Those who participated other clinical trials within 12 weeks
- Those who have allergies to B12 and related compounds

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03548311
Contact: Yuisin Izumi, MD | 81-88-633-7207 | yizumi@tokushima-u.ac.jp | |
Contact: Ryosuke Oki, MD | 81-88-633-9658 | oki.ryosuke@tokushima-u.ac.jp |
Japan | |
Nagoya University Hospital | Recruiting |
Nagoya, Aichi, Japan, 466-8560 | |
Contact: Naoki Atsuta, MD 81-52-741-2111 | |
Miyoshi Neurological Clinic | Recruiting |
Miyoshi, Hiroshima, Japan, 728-0013 | |
Contact: Masaya Oda, MD | |
Sapporo Medical University Hospital | Recruiting |
Sapporo, Hokkaido, Japan, 060-8543 | |
Contact: Shun Shimohama, MD 81-11-611-2111 | |
Kobe Central Munincipal Medical center | Recruiting |
Kobe, Hyogo, Japan, 650-0047 | |
Contact: Nobuo Kohara, MD 81-78-302-4321 | |
Ioh National Hospital | Recruiting |
Kanazawa, Ishikawa, Japan, 920-0192 | |
Contact: Kiyonobu Komai, MD 81-76-258-1180 | |
Kitasato University East Hospital | Recruiting |
Sagamihara, Kanagawa, Japan, 252-0380 | |
Contact: Makiko Nagai, MD 81-42-748-9111 | |
Shiga Medical University Hospital | Recruiting |
Otsu, Shiga, Japan, 520-2192 | |
Contact: Makoto Urushidani, MD 81-77-548-2111 | |
Chiba University Hospital | Recruiting |
Chiba, Japan, 260-8677 | |
Contact: Satoshi Kuwabara, MD 81-43-222-7171 kuwabara-s@faculty.chiba-u.jp | |
Murakami Karindo Hospital | Recruiting |
Fukuoka, Japan, 819-8585 | |
Contact: Hitoshi Kikuchi, MD 81-92-811-3331 | |
Okayama University Hospital | Recruiting |
Okayama, Japan, 770-8558 | |
Contact: Koji Abe, MD 88-86-223-7151 abekabek@cc.okayama-u.ac.jp | |
Tokushima University Hospital | Recruiting |
Tokushima, Japan, 770-8503 | |
Contact: Hiroyuki Nodera, MD 81-88-633-9658 hnodera@tokushima-u.ac.jp | |
Juntendo University Hospital | Recruiting |
Tokyo, Japan, 113-8431 | |
Contact: Kazuaki Kanai, MD | |
Toho University Hospital | Recruiting |
Tokyo, Japan, 143-8541 | |
Teikyo University Hospital | Recruiting |
Tokyo, Japan, 173-8606 | |
Contact: Masahiro Sonoo, MD | |
Tokyo Metropolitan Neurological Hospital | Recruiting |
Tokyo, Japan, 183-0042 | |
Wakayama Medical University Hospital | Recruiting |
Wakayama, Japan, 641-8509 | |
Contact: Hidefumi Ito, MD 81-73-447-2300 |
Study Director: | Ryuji Kaji, MD | Tokushima University Hospital |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Ryuji Kaji, Professor of Neurology, University of Tokushima |
ClinicalTrials.gov Identifier: | NCT03548311 |
Other Study ID Numbers: |
763 |
First Posted: | June 7, 2018 Key Record Dates |
Last Update Posted: | June 26, 2018 |
Last Verified: | June 2018 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Plan Description: | anonymous data are available |
Supporting Materials: |
Study Protocol Statistical Analysis Plan (SAP) Informed Consent Form (ICF) Clinical Study Report (CSR) Analytic Code |
Time Frame: | from October 1, 2017 till March 31, 2020 |
Access Criteria: | those who have approval from Institutional Review Board (IRB) |
URL: | http://als-mecobalamin.org |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
ALS motor neuron disease Lou Gehrig's disease |
Motor Neuron Disease Amyotrophic Lateral Sclerosis Sclerosis Pathologic Processes Neurodegenerative Diseases Nervous System Diseases Neuromuscular Diseases Spinal Cord Diseases Central Nervous System Diseases |
TDP-43 Proteinopathies Proteostasis Deficiencies Metabolic Diseases Vitamin B 12 Vitamin B Complex Vitamins Micronutrients Physiological Effects of Drugs |