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The study examines the efficacy and safety of Analgecine in the treatment of chronic pain in patients with low back pain for 3 months after surgical treatment. It is a randomized, placebo-controlled, double blind, multi-center phase III clinical trial. Patients with chronic low back pain for 3 months after surgical treatment is recruited (age between 18 and 70; pain visual analysis scale (VAS) between 3 and 8). After randomization, subjects are divided into 3 groups: 1) Treatment with Analgecine (Experiment group); 2) Treatment with Neurotropin (positive control group); 3) Placebo group. Subjects will be undergone 4 measurement time points on day 0, 7, 14, and 21. In each time points, subjects are required to score their pain with pain VAS and to have regular blood, urine, and renal/liver function tests. The changes of the pain VAS at day 21 are compared between groups.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Experiment | Experimental | Test Drug Group: 2 times a day; 4 tablets per time (2 tablets of Analgecine and 2 tab. of placebo) |
|
| PosCtrl | Active Comparator | PosCtrl: Positive Control Group. 2 times a day; 4 tablets / time (2 tab. of Neurotropin and 2 placebo tablets). |
|
| Placebo | Placebo Comparator | Placebo Group: 2 times a day; 4 tablets / time (4 placebo tablets). |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Analgecine | Drug | Analgesic drug under test |
| |
| Neurotropin |
| Measure | Description | Time Frame |
|---|---|---|
| Change of Visual Analysis Scale on Pain | Day 0, 7, 14 and 21 |
| Measure | Description | Time Frame |
|---|---|---|
| ECG | Day 0, 21 | |
| Routine Hematology Testing | Day 0, 21 | |
| Routine Urine Testing |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Steve Chen-Lung Lin, MD, PhD | Graduate School of Medicine, Kaohsiung Medical University | Study Director |
| Jian Dong, MD, PhD | Zhong Shan Hospital, Fudan University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Second Hospital of Sun Yat-sen University | Guangzhou | Guangdong | China | |||
| No.3 Hospital of Hebei Medical University |
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| ID | Term |
|---|---|
| D017116 | Low Back Pain |
| ID | Term |
|---|---|
| D001416 | Back Pain |
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
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| ID | Term |
|---|---|
| C010491 | neurotropin |
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| Drug |
Analgesic drug as positive control |
|
| Placebo | Drug | Blank tablet as placebo. |
|
| Day 0, 21 |
| Renal / Liver function tests | Day 0, 21 |
| Degree of Improvement of Related Symptoms | Day 0, 7, 14, 21 |
| Shijiazhuang |
| Hebei |
| China |
| Wuhan Union Hospital, Tongji Medical College, Huazhong University of Science and Technology | Wuhan | Hubei | China |
| Shanghai Sixth People's Hosptial | Shanghai | Jiangsu | China |
| Zhong Shan Hospital, Fudan University | Shanghai | Jiangsu | China |
| Xijing Hospital | Xi'an | Shaanxi | China |
| Tiangjin People's Hospital | Tianjin | China |
| D013568 |
| Pathological Conditions, Signs and Symptoms |