Efficacy and tolerability of injectable collagen-containing products in comparison to trimecaine in patients with acute lumbar spine pain (Study FUTURE-MD-Back Pain). Pavelka et al. Physiol Res. 2019 Nov

Prospective single-blind clinical study on 97 patients. Injections of MD-LUMBAR, MD-NEURAL, MD-MUSCLE have shown the same efficacy as trimecaine in the treatment of acute lower back pain. Both treatments showed a statistically significant result in improving mobility and quality of life. Paracetamol consumption was significantly lower in patients treated with infiltrative collagen.