On this page
- What the chronic pain trials actually studied
- Fibromyalgia has no target structure
- Why fibromyalgia produces spectacular uncontrolled results
- The diagnosis needs checking first
- What has evidence in fibromyalgia
- What is typically offered instead
- Risks
- Central sensitisation, in plain terms
- Questions worth asking
- Frequently asked questions
- Requesting a medical evaluation
Fibromyalgia is widespread pain with fatigue, disturbed sleep and cognitive symptoms, affecting a large number of people and treated poorly by almost everything available. Stem cell therapy for fibromyalgia is advertised on the strength of trials that were run in entirely different conditions — chronic back pain and knee arthritis — where a specific structure was being targeted.
What the chronic pain trials actually studied
A randomised placebo-controlled multicentre trial studied cells in chronic low back pain — Allogenic bone marrow-derived mesenchymal stromal cell-based therapy for patients with chronic low back pain: a prospective, multicentre, randomised placebo controlled trial (RESPINE study).
A thirty-six-month randomised double-blind study examined mesenchymal precursor cells in the same condition — Efficacy and safety of allogeneic mesenchymal precursor cells with and without hyaluronic acid for treatment of chronic low back pain: a prospective, randomized, double blind, concurrent-controlled 36-month study.
Systematic reviews cover intradiscal regenerative therapies — Effectiveness of Intradiscal Regenerative Medicine Therapies for Long-Term Relief of Chronic Low Back Pain: A Systematic Review and Meta-Analysis and Do Regenerative Medicine Therapies Provide Long-Term Relief in Chronic Low Back Pain: A Systematic Review and Metaanalysis.
Knee pain from osteoarthritis has its own review — Mesenchymal stem cells for chronic knee pain secondary to osteoarthritis: A systematic review and meta-analysis of randomized trials. Every one of these treats a specific structure: a disc, a joint.
Fibromyalgia has no target structure
That is not a criticism of the diagnosis. It is the defining feature of it. There is no damaged disc, no worn joint, no inflamed tendon to inject.
Current understanding centres on how pain is processed — altered signalling in the central nervous system, with amplified responses to stimuli that would not normally hurt.
An injection into tissue that is not the source of the pain has no mechanism by which to help, and an infusion addresses nothing identified as the problem.
The disc and knee trials therefore do not transfer, however often they are cited. Degenerative disc disease and knee osteoarthritis cover what they actually support.
Why fibromyalgia produces spectacular uncontrolled results
Chronic pain responds strongly to expectation, attention and context. Placebo response rates in fibromyalgia drug trials are among the highest recorded anywhere in medicine.
Symptoms also fluctuate with sleep, stress, weather, activity and mood, none of which stays constant across a treatment trip.
A patient who travels somewhere warm, rests, is taken seriously by a clinician and receives a treatment they have paid substantially for has every reason to feel better afterwards.
None of that requires the treatment to do anything, which is precisely why controlled trials are the only useful evidence here.
The diagnosis needs checking first
Several conditions produce widespread pain and fatigue and are treatable: hypothyroidism, vitamin D deficiency, inflammatory arthritis in its early stages, polymyalgia rheumatica, and sleep apnoea among them.
Fibromyalgia is diagnosed clinically and there is no confirmatory test, which means a wrong diagnosis is easy and can persist for years.
Anyone offered an expensive treatment should first be confident the diagnosis is right, which is a rheumatology question rather than a regenerative one.
Depression and anxiety frequently accompany chronic pain and are both treatable and frequently untreated in this group.
What has evidence in fibromyalgia
Graded aerobic exercise has the most consistent evidence, unglamorous as that is, with the caveat that it must be introduced gently.
Sleep is central. Treating co-existing sleep disorders often improves pain more than pain treatments do.
Several drug classes have randomised evidence for modest benefit, with meaningful side effects and no reliability across individuals.
Psychological approaches aimed at pain processing have evidence, and saying so is not a suggestion that the pain is imagined. It is not.
What is typically offered instead
Intravenous infusions, often with vitamin drips, ozone or exosome products, sometimes with injections into tender points.
Tender point injections have a long history with local anaesthetic and steroid, and a modest evidence base. Adding cells to that does not have one.
Packages are usually priced per session with several sessions recommended, which builds repeat purchase into a condition that fluctuates naturally.
PRP therapy is frequently offered under the same heading and is a different product again.
Risks
The ordinary risks of infusion and of any injection.
Financial harm is the substantial one. People with fibromyalgia often have reduced earning capacity and high existing healthcare costs.
Disappointment is not a trivial outcome in chronic pain. A failed expensive treatment can worsen mood and function measurably.
Documented adverse events covers physical harms across the field.
Central sensitisation, in plain terms
The current model is that the nervous system has become more responsive to pain signals — the volume control turned up, so ordinary sensation registers as painful.
That explains why pain is widespread rather than localised, why it moves, and why it is accompanied by sensitivity to noise, light and temperature. It also explains why treatments aimed at tissue do so little.
It does not mean the pain is imagined or exaggerated. Amplified signalling produces real pain, and the mechanism is being studied with imaging and sensory testing rather than inferred from an absence of findings.
If that model is right, the treatments most likely to help are the ones acting on signalling rather than on tissue, which is where established drug treatment already aims.
Questions worth asking
- Which trial was run in fibromyalgia rather than in back pain or knee arthritis?
- Has my diagnosis been confirmed, and have mimicking conditions been excluded?
- What is being injected, where, and on what basis?
- How would anyone tell whether this worked, given that my symptoms fluctuate?
Chronic fatigue syndrome covers an overlapping group, and the evidence levels explain this grading.
Frequently asked questions
Are there trials in fibromyalgia?
No. The chronic pain trials usually cited studied chronic low back pain and knee osteoarthritis, where a specific structure was targeted.
Why does the back pain evidence not apply?
Those trials injected a disc. Fibromyalgia has no target structure — current understanding centres on how pain is processed centrally.
Many people report improvement. Why doubt it?
Placebo response rates in fibromyalgia trials are among the highest in medicine, and symptoms fluctuate with sleep, stress and activity.
Could my diagnosis be wrong?
It is worth checking. Thyroid disease, vitamin D deficiency, early inflammatory arthritis and sleep apnoea all mimic it and are treatable.
Does saying psychological approaches help mean the pain is imagined?
No. The pain is real. Approaches aimed at how pain is processed have evidence, and that is a statement about mechanism rather than about legitimacy.
What has the best evidence?
Graded aerobic exercise introduced gently, treating sleep disorders, and several drug classes with modest effects.
Requesting a medical evaluation
Nothing on this page establishes whether any treatment is appropriate for you. That needs your history, your imaging and your current medications read by a clinician. If you would like that review, send your records and we will tell you honestly whether there is anything worth discussing — including when the answer is no.
This page is general information, not medical advice, and does not create a doctor–patient relationship. Regenerative treatments discussed here are in most cases investigational. Discuss any treatment with a clinician who knows your history.