Could PRP Help With More Than Back Pain?
Lower back pain can make even simple activities, like sitting at a desk, bending down, or enjoying a walk, uncomfortable. For some people, the problem begins with the spinal discs, which act as cushions between the bones of the spine.
When these discs begin to wear down, they can contribute to ongoing pain and reduced mobility. A recent clinical trial explored whether platelet-rich plasma (PRP) could help relieve this discomfort while potentially supporting the health of the affected discs.
What Makes PRP Interesting?
PRP is created using a small sample of a patient’s own blood. The blood is processed to concentrate platelets, which contain growth factors and other substances involved in the body’s natural healing processes.
Researchers are interested in whether these concentrated platelets can help reduce inflammation and support tissue repair. In this study, scientists investigated what happened when PRP was injected directly into a damaged spinal disc.
Putting PRP to the Test
The randomized clinical trial included 40 adults with chronic disc-related lower back pain. All participants had experienced symptoms for more than six months without sufficient relief from conservative treatment.
Researchers divided the participants into two groups:
- 20 patients received a PRP injection.
- 20 patients received a methylene blue injection, another treatment used for disc-related back pain.
The participants were followed for six months, with researchers evaluating pain, physical function, and MRI changes in the spinal discs.
Less Pain and Better Movement
One of the most encouraging findings was the improvement in pain levels among patients who received PRP.
On a pain scale from 0 to 10, the PRP group’s average score decreased from 6.0 before treatment to 1.25 after six months. The comparison group also improved, but its average score decreased from 5.9 to 2.2.
Researchers also measured lower back function using a standardized assessment of mobility and everyday physical abilities. Both groups improved, but the PRP group achieved significantly better results. The findings suggest that PRP may offer benefits beyond short-term discomfort relief, potentially helping patients move more comfortably during everyday activities.
What Did the MRI Scans Reveal?
Pain relief was not the only interesting result. Researchers also used MRI scans to examine changes inside the spinal discs. After six months, patients receiving PRP showed improvements in measurements related to how water moves through the discs. This matters because water content plays an important role in helping spinal discs maintain their cushioning properties.
The PRP group also showed improvement in an MRI-based measure of disc degeneration compared with its own starting measurements. However, the difference in degeneration grades between the two treatment groups was not statistically significant.
These findings are encouraging, although they do not prove that PRP regenerated damaged disc tissue.
What About Treatment Safety?
The study also provided encouraging early safety findings. Researchers reported no significant blood vessel injuries, nerve injuries, or infections in either treatment group. This is important because the injections were delivered directly into the spinal discs, making careful monitoring essential.
While the results were positive, larger studies will be needed to better understand the safety and effectiveness of this approach over longer periods.
Looking Ahead in Regenerative Spine Care
What makes this research especially interesting is its focus on more than simply managing back pain. By examining both patient symptoms and changes within the spinal discs, researchers explored whether PRP could influence the environment of damaged tissue.
The trial was relatively small, involving only 40 participants, and follow-up lasted six months. More research is needed to determine whether the improvements last and whether PRP can meaningfully slow or reverse disc degeneration.
Still, the combination of reduced pain, improved physical function, and encouraging MRI findings makes this an interesting step forward. As regenerative medicine continues to develop, PRP may offer researchers another way to explore treatments that address both discomfort and the underlying health of spinal discs.
Source
Wang X, Wang S, Zhang J, Xie G, Zhang J. Platelet-rich plasma for the treatment of discogenic low back pain: a prospective randomized controlled trial. Frontiers in Pain Research. 2025;6:1648772. doi: 10.3389/fpain.2025.1648772. Available from: https://www.frontiersin.org/journals/pain-research/articles/10.3389/fpain.2025.1648772/full