Testing crisugabalin for nerve pain in neuromyelitis optica spectrum disorders
Tests crisugabalin against placebo for nerve pain in adults with neuromyelitis optica spectrum disorders.
Plain-language title generated from the registry record
Registry title: Crisugabalin in NMOSD Neuropathic Pain: A Randomized, Double-Blind, Placebo-Controlled Exploratory Trial
Key facts
- Where
- Beijing, Changchun, Chongqing, Harbin, Hohhot, Kunming, Shenyang, Ürümqi, and Xi'an, ChinaSee the 10 sites
- Phase
- Phase 4
Could this be for you?
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 18 and 75 years old?
Source: NCT07699770, who can take part
Where in China
- Beijing Tiantan Hospital,Capital Medical UniversityBeijing, ChinaNo longer taking part
- The First Hospital of Tsinghua UniversityBeijing, ChinaNo longer taking part
- The First Hospital of Jilin UniversityChangchun, ChinaNo longer taking part
- The First Affiliated Hospital of Chongqing Medical UniversityChongqing, ChinaNo longer taking part
- The First Affiliated Hospital of Harbin Medical UniversityHarbin, ChinaNo longer taking part
- Inner Mongolia People's HospitalHohhot, ChinaNo longer taking part
- The First Affiliated Hospital of Kunming Medical UniversityKunming, ChinaNo longer taking part
- The First Hospital of China Medical UniversityShenyang, ChinaNo longer taking part
- Xinjiang Uygur Autonomous Region People's HospitalÜrümqi, ChinaNo longer taking part
- Tangdu HospotalXi'an, ChinaNo longer taking part
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Trial details
- Who runs it
- Tang-Du Hospital
- Trial code
- NCT07699770
- Record updated
- 13 July 2026
- Original description
This study is a multicenter, prospective, randomized, double-blind, placebo-controlled exploratory investigation conducted in China.Read full original descriptionShow less
Efficacy and Safety of Crisugabalin in Treating Neuropathic Pain Related to Neuromyelitis Optica Spectrum Disorders: a Multicenter, Prospective, Randomized, Double-blind, Placebo-controlled, Exploratory Trial
This study is a multicenter, prospective, randomized, double-blind, placebo-controlled exploratory investigation conducted in China.
**Inclusion Criteria:**; Subjects who meet all of the following criteria will be enrolled in this study:; Able to understand and voluntarily sign the written informed consent form; Male or female aged between 18 years (inclusive) and 75 years; Diagnosed with aquaporin-4 (AQP4) antibody-positive neuromyelitis optica spectrum disorder (NMOSD) according to the International Panel for NMO Diagnosis (IPND, 2015) criteria; Patients with comorbid neuropathic pain, DN4 ≥ 4; no change in medication dosage within the past month; Numeric Rating Scale (NRS) for pain score ≥ 4 at screening; First-time use of Crisugabalin Capsules; **Exclusion Criteria:**; Subjects who meet any of the following criteria will not be enrolled in this study:; Presence of peripheral neuropathy or pain unrelated to NMOSD that, in the investigator's judgment, may confound the assessment; Known history of allergy to the investigational drug components, or to other drugs with similar chemical structures, or to any excipients; Prior use of pregabalin ≥ 300 mg/day, gabapentin ≥ 1200 mg/day, or mirogabalin ≥ 30 mg/day with lack of clinical efficacy as judged by the investigator; Severe liver or kidney function abnormalities, meeting any of the following clinical laboratory findings:; Liver function: alanine aminotransferase (ALT) or aspartate aminotransferase (AST) > 3 × upper limit of normal (ULN); 2) Estimated glomerular filtration rate (eGFR) < 60 mL/min/1.73 m² (calculated using the simplified MDRD formula); 5. Women who are pregnant, planning to become pregnant during the study period, or currently breastfeeding; subjects who are unwilling to use reliable contraceptive measures (including condoms, spermicides, intrauterine devices, etc.) from the time of signing the ICF until 28 days after the last dose of the investigational drug; 6. Current use of IL-6 receptor blockers (e.g., tocilizumab, satralizumab); 7. History of suicidal behavior or suicidal ideation; 8. Participation in any other clinical study within 30 days prior to screening; 9. The investigator determines that there are other situations in which participation in the study is inappropriate.