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Effectiveness of Neurotropin plus Limaprost for spinal stenosis with low back pain

Neurotropin_Limaprost Neurotropin_Limaprost
Neurotropin_Limaprost Neurotropin_Limaprost

Multicenter, randomized, active-controlled, open-label study to compare the clinical effects of Neurotropin, Limaprost, and their combination for people presenting with lumbar spinal stenosis (LSS) having low back pain (LBP).

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Key take away

For spinal stenosis patients with low back pain, a combination of non-protein extract (Neurotropin) and vasodilator (Limaprost) can have a complementary effect on back and leg pain, and also mend the walking speed.

Background

Multicenter, randomized, active-controlled, open-label study to compare the clinical effects of Neurotropin, Limaprost, and their combination for people presenting with lumbar spinal stenosis (LSS) having low back pain (LBP).

Method

Sixty-four patients with LSS with low back pain were randomly allocated to one of the 3 oral therapies (3 groups), i.e. Neurotropin or N group (20 patients, mean age 76.2 years), Limaprost group or L group (20 patients, mean age 74.4 years) and; Neurotropin/limaprost combination or NL group (24 patients, mean age 71.2 years) for 12 weeks.

Each investigation and observation was done before any drug use and every 2 weeks after its use. Age, gender, height, weight, symptoms duration, intermittent claudication distance, level of spinal stenosis in magnetic resonance imaging, and simultaneous use of painkillers were noted as investigation items. The evaluation items are as under:

  • Visual analogue scale (VAS) score
  • Pain and numbness in the leg
  • Walking activity (walking speed, stride length)
  • Standing/Static balance evaluation (Timed Up-and-Go [TUG] Test results, Five Times Sit-to-Stand Test [FTSST] outcomes)
  • LBP/Quality of Life (QOL)-associated scores (Oswestry Disability Index [ODI], Euro QOL 5-Dimensions 5-Level [EQ-5D-5L], Roland–Morris Disability Questionnaire [RMDQ])
  • Psychological features (13-item self-report measure - Pain catastrophizing scale [PCS] and 10-item questionnaire-Pain Self-Efficacy Questionnaire [PSEQ])
  • Adverse events

The changes were evaluated at each visit (weeks 2 to 12) from baseline value prior to therapy (week 0). The variations were regarded as significant when p < 0.05.

Result

No significant changes in patient characteristics, simultaneous use of painkillers, baseline VAS score, gait balance, or QOL-related scores were found. Considerable improvements in different evaluation items have been shown below (Table 1):

Following 6 and 12 weeks of administration, a substantial improvement in leg pain VAS score was observed in the L group when compared to the NL group, and LBP VAS improved substantially in the N group after 6 weeks than with the NL group. In the NL group, the pace of walking considerably improved after 2 weeks than in the N group and also after 6 weeks than in the L group. After 8 weeks, RMDQ lowered significantly in the L group compared with the NL group.

Conclusion

Neurotropin plus Limaprost is highly effective for recovering the walking speed than used as a monotherapy. The use of Neurotropin can relieve low back pain, improve walking speed/stride length, and also static balance.

Source:

Pain and Therapy

Article:

Clinical Efficacy of Neurotropin for Lumbar Spinal Stenosis with Low Back Pain

Authors:

Yawara Eguchi et al.

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