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Clinical trial to evaluate the long-term safety and efficacy of ralfinamide in patients with chronic neuropathic low back pain

A multicenter, double blind, randomised, placebo-controlled, extension study to assess long-term safety and efficacy of two fixed doses of Ralfinamide (160 OR 320 MG/DAY) in patients with chronic neuropathic low back pain BACK PAIN

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2009/091/000177
Enrollment
Unknown
Registered
2009-06-10
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

None listed

Interventions

Sponsors

Newron Pharmaceuticals SpA
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patient has been informed about the study and has given her/his written informed consent. 2. Patient completed the treatment period of study NW-1029/01-08, or, if the patient discontinued prematurely, he/she returned for at least 2 of the scheduled efficacy evaluations at Weeks 2, 4, 6, and 9 and completed the final efficacy evaluation at Week 12 as part of the Retrieved Dropout (RDO) population. 3. Patient was compliant with taking study medication in study NW-1029/01-08. 4. Patient understands the investigational nature of the extension study and is willing and able to comply with the study requirements.

Exclusion criteria

Exclusion criteria: Patient is unwilling or unable to give written informed consent. 2. Patient has a serious AE (SAE) or clinically significant medical condition ongoing from study NW-1029/01-08 that would put them at risk for continuing treatment, or has deteriorated significantly during the initial treatment period. 3. Patient discontinued Study NW-1029/01-08 prematurely for any reason, and did not return for at least 2 of the scheduled efficacy evaluations at Weeks 2, 4, 6, and 9 and complete the final efficacy evaluation at Week 12 as part of the RDO population.

Design outcomes

Primary

MeasureTime frame
change from Baseline (Study NW-1029/01-08) in the daily pain score and effects of pain on sleep and activity (11-point Likert scales), as assessed by the patient ? change from Baseline (Study NW-1029/01-08) in the patient?s perception of burning pain and shooting pain (11-point Likert scales), as assessed by the investigator ? change from Baseline (Study NW-1029/01-08) in the Visual Analogue Scale (VAS; 100-mm) ? change in the Neuropathic Pain Symptom Inventory (NPSI) compared with Baseline (Study NW- 1029/01-08). Safety Assessments: Adverse events (AE) ? Vital signs (systolic/diastolic blood pressure, pulse, body weight, body temperature) ? Laboratory evaluations (blood chemistry, hematology, urinalysis) ? Electrocardiogram (ECG) ? 12-lead, standard ? Physical examination ? Neurological examination ? Ophthalmological examinationsTimepoint: change from Baseline (Study NW-1029/01-08) in the daily pain score and effects of pain on sleep and activity (11-point Likert scales), as assessed by the patient ? change from Baseline (Study NW-1029/01-08) in the patient?s perception of burning pain and shooting pain (11-point Likert scales), as assessed by the investigator ? change from Baseline (Study NW-1029/01-08) in the Visual Analogue Scale (VAS; 100-mm) ? change in the Neuropathic Pain Symptom Inventory (NPSI) compared with Baseline (Study NW- 1029/01-08). Safety Assessments: Adverse events (AE) ? Vital signs (systolic/diastolic blood pressure, pulse, body weight, body temperature) ? Laboratory evaluations (blood chemistry, hematology, urinalysis) ? Electrocardiogram (ECG) ? 12-lead, standard ? Physical examination ? Neurological examination ? Ophthalmological examinations

Secondary

MeasureTime frame
NATimepoint: NA

Countries

India

Contacts

Public ContactDr Rajat Hazra

CliniRx Research Pvt Ltd

rhazra@clinirx.com9910102227

Outcome results

None listed

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