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An exploratory trial of safety and efficacy of D-cycloserine in the treatment of amyotrophic lateral sclerosis (ALS)

An exploratory trial of safety and efficacy of D-cycloserine in the treatment of amyotrophic lateral sclerosis (ALS)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500097631
Enrollment
Unknown
Registered
2025-02-22
Start date
2025-03-01
Completion date
Unknown
Last updated
2025-03-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Amyotrophic lateral sclerosis

Interventions

Experimental group:D-cycloserine 100mg twice-daily
Placebo group:placebo 100mg twice-daily

Sponsors

West China Hospital, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: ALS patients who meet all of the following selection criteria and have the ability to consent. At the time of pre-registration: (1) patients who meet the "definite" or "probable" criteria of the revised Airlie House diagnostic criteria of El Escorial; (2) Patients with ALS severity 1 or 2 according to the King's College London staging system; (3) Patients with ALSFRS-R scores of 2 or above ((4)Writing and (5)Eating must be double A side score of 2 or more); (4) Normal respiratory function (%FVC>= 80%: judged by actual value); (5) Patients who committed to taking liluzole stably during the observation period and the double-blind treatment period; (6) patients who have had ALS for less than 2 years at the time of signing their written consent; (7) Patients aged between 18 and 75 at the time of obtaining written consent; (8) Patients who have given written consent to participate in this study. At the time of enrollment, patients who met the following criteria in addition to the selection criteria at the time of pre-enrollment were enrolled (9) Patients with ALSFRS-R scores ranging from -1 to -4 during the 12-week observation period.

Exclusion criteria

Exclusion criteria: Patients with ALS who met at least one of the following exclusion criteria were excluded from the study. For pre-registration: (1) Patients with respiratory impairment and complaints of dyspnea (ALSFRS-R: 1) dyspnea, 2) orthopnea, 3) respiratory failure with a score of 3 or less); (2) Patients with Parkinson's disease and its syndrome, schizophrenia, dementia or other comorbidities that may have a significant impact on the evaluation of drug efficacy; (3) severe renal insufficiency: creatinine clearance 3 times the upper limit of normal, or other known liver diseases such as acute and chronic active hepatitis, cirrhosis, etc.; (5) Patients with acute myocardial infarction or percutaneous coronary intervention within the past 6 months or heart failure (NYHA class III-IV patients); (6) Patients with a history of cervical spondylosis, disc herniation, or other spinal surgery scheduled for surgery after ALS onset or during the study period; (7) Patients whose symptoms cannot exclude cervical spondylosis, multifocal motor neuropathy, or other diseases requiring differential diagnosis; (8) Allergic to cycloserine; (9) Patients with malignant tumors who were receiving treatment; (10) Patients receiving treatment for tuberculosis; (11)Patients with epilepsy history; (12) Patients with alcohol or alcoholism; (13) Severe complications (grade 3 according to the severity grading standard such as adverse drug reactions); (14) Patients who could not consent to use contraception during the trial; (15) Pregnant, lactating or likely pregnant women; (16) Patients enrolled in other clinical trials and receiving study drug treatment within 12 weeks before obtaining informed consent; (17) Patients taking edaravone; (18) Patients deemed unsuitable for the trial by the investigator or subinvestigator; At enrollment, the following patients were excluded (19) Patients who did not take riluzole regularly within one month before the end of the observation period

Design outcomes

Primary

MeasureTime frame
Adverse event;ALSFRS-R;

Secondary

MeasureTime frame
Modified Norris scale;Amyotrophic Lateral Sclerosis Assessment Questionnaire (ALSAQ-40);milestone events;Grip ;Blood concentration of D-cycloserine;pinch;pulmonary function;Plasma filament light chain protein;

Countries

China

Contacts

Public ContactHuifang Shang

West China Hospital, Sichuan University

hfshang2002@126.com+86 189 8060 2127

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026