Skip to content

The safety and effectiveness of primidone in the treatment of amyotrophic lateral sclerosis

A single-center, randomized, double-blind parallel controlled study to evaluate the safety and effectiveness of primidone in the treatment of amyotrophic lateral sclerosis

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2100045741
Enrollment
Unknown
Registered
2021-04-23
Start date
2021-05-01
Completion date
Unknown
Last updated
2021-12-06

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

Conditions

amyotrophic lateral sclerosis

Interventions

Low-dose group:Pomidone 5mg 3 times a day
High dose group:Pomidone 10mg 3 times a day
Control group:Placebo 3 times a day

Sponsors

The First Hospital of Yichang
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Aged 18 years or more; 2.Patients with a diagnosis of possible, laboratory-supported probable,probable, or definite amyotrophic lateral sclerosis in accordance with the 1998 revised El Escorial criteria; 3.Course of disease from onset to enrollment <=24 months (onset date was first muscle weakness, excluding bundle tremor and spasm); 4.Subjects who can take oral medication or receive oral medication; 5.Signed consent form; 6.Willing or unable to participate in and complete the study.

Exclusion criteria

Exclusion criteria: 1.Participated in other clinical studies within 3 months; 2.Endotracheal intubation or invasive assisted ventilation; 3.Gastrostomy or dysphagia; 4.Pregnant women and lactating women; 5.People allergic to primidone; 6.ALT or AST was 3 times higher than normal; 7.Creatinine clearance rate was less than 50ml/min; 8.Disease or injury that interferes with functional assessment or endangers life; 9.Any known motor neurone disease unrelated to ALS; 10.Major mental illness, cognitive dysfunction; 11.Irregular history of taking medicine in the past 3 years; 12.Patients with altered vision, diplopia, nystagmus or ataxia; 13.Patients with porphyria; 14.Patients with asthma, chronic obstructive pulmonary disease or other respiratory disease that may aggravate breathing difficulties or obstructed airways. 15.People with coagulation dysfunction; 16.Patients with impaired liver and kidney function; Albuminuria showed ++ and above; 17.Systolic blood pressure less than 90 mmHg, diastolic pressure less than 50 mmHg, heart rate less than 50 beats per minute.

Design outcomes

Primary

MeasureTime frame
Improved amyotrophic lateral sclerosis (ALS) function score;Forced vital capacity;

Secondary

MeasureTime frame
Modified Norris scale score;ALSAQ-40 score;Change in hand-held dynamometry;Duration from onset to invasive ventilation/bed rest;Survival rate;

Countries

China

Contacts

Public ContactZha Yunhong

The First Hospital of Yichang

yzha7808@ctgu.edu.cn+86 13872662508

Outcome results

None listed

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