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Peptide Therapy in Musculoskeletal Medicine

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Injectable and regenerative peptide therapies in orthopaedics and sports medicine — what the evidence shows for tendon, cartilage and bone healing, and where the hype outpaces the data.

Updated Aug 2026
A peptide molecular chain beside a small vial.
Peptide therapies are heavily marketed for healing and recovery; the evidence for musculoskeletal use is limited. Kieran Hirpara 4.0

What it is

Peptide therapy uses tiny protein fragments to help your body heal itself. You might consider this if you have joint or soft tissue injuries. These peptides are designed to interact with your cells to encourage repair.

The science is still developing. There is currently not enough evidence to support their routine use in orthopaedic and sports medicine. While some animal studies show promise, we do not have randomised controlled trials in humans for many of these treatments. This means we cannot yet confirm how effective or safe they are for everyone.

Some peptides may help with specific healing processes. For example, certain types might support tendon-to-bone healing or reduce inflammation in animal models. Others may help with cartilage repair or reduce pain and stiffness in soft tissues quickly. However, the results vary. Some treatments show symptom improvement, while others do not lead to functional recovery in animals.

We do not recommend using these therapies for sports performance or recovery. The evidence is lacking to determine their overall effectiveness or safety profile for athletes. Your doctor will discuss whether any peptide-based option is appropriate for your specific condition, based on the current medical understanding.

Does it work?

The short answer is that the evidence for injectable peptide therapies in humans is currently very limited. Most of the research you will find comes from laboratory studies using animals, such as rats and horses. While these studies show some promising biological effects, they do not prove that these treatments work for people. There are no high-quality clinical trials testing whether these injections improve outcomes for human patients.

For example, some animal studies suggest that certain peptides might help tendons heal stronger or reduce inflammation. However, we cannot yet say if these biological changes translate into less pain or better function for you. In one animal study, a specific peptide hydrogel preserved nerve fibres but did not improve movement. This highlights the gap between what happens in a lab and what you might experience in real life.

There is one exception where topical treatments have shown some benefit. A lotion containing hyaluronic acid and peptides was found to be safe and effective for reducing pain and stiffness in soft tissues. In this case, patients noticed relief within just three hours of the first application, with continued improvement over three days. This is a specific, topical use case and does not apply to injectable therapies for joints or tendons.

Regarding BPC-157, a popular peptide in sports circles, the science is lacking. There are no randomised controlled trials in humans to support its use. Experts do not recommend it for sports performance or recovery because its safety and effectiveness remain unproven.

Your doctor will be honest with you about what the data shows. We rely on treatments that have been tested in people, not just in labs. If a therapy has not been proven to work in clinical trials, we cannot recommend it as a standard part of your care. It is important to manage your expectations and understand that many peptide therapies are still experimental.

What are the risks?

You should know that the current evidence for injectable peptide therapies in orthopaedics and sports medicine is limited. There are no randomised controlled trials in humans for BPC-157, and the science cannot yet confirm its overall safety or effectiveness for sports enhancement. Because of this lack of data, we do not recommend using BPC-157 for performance or recovery.

For topical treatments like EGYFIL, the main risks are local. You may notice pain and stiffness in your soft tissues. This treatment is generally safe, but you might feel discomfort during the three-day treatment period. Some patients report that symptoms improve within three hours of the first application, while others may experience ongoing irritation.

When peptides are injected into tissues, such as for tendon or cartilage repair, the risks are tied to the healing process itself. In animal studies, some peptide applications caused minimal inflammation. However, not all treatments lead to functional recovery. For example, one hydrogel preserved nerve fibres but did not restore movement in animals. You might experience local swelling or pain at the injection site as your body reacts to the material.

There are no guarantees about how your body will respond. The improvement in symptoms you see with some treatments may come from different causes than others. We monitor your progress closely to ensure any local reactions are managed appropriately. If you have concerns about specific side effects, please discuss them with your doctor before proceeding.

Is it right for you?

Peptide therapies are still largely experimental in human orthopaedics. There are no randomised controlled trials for BPC-157 in people. The science cannot yet confirm its safety or effectiveness for sports recovery. We do not recommend BPC-157 for performance enhancement.

Some specific peptides show promise in animal studies. For example, certain hydrogels help tendon healing in rats and cartilage repair in horses. EGYFIL has been shown to reduce pain and stiffness within three hours of application. However, these findings come from laboratory or animal models, not human clinical trials.

You are likely to benefit more from established treatments. Standard options like microfracture or self-assembling peptide hydrogels have shown symptom improvement in equine models. These approaches are currently the more reliable path for structural repair.

Peptide injections are not yet a proven alternative to these standard procedures. Your doctor will discuss whether your specific condition matches any ongoing clinical research. This is a shared decision based on the current evidence.

If you are seeking a proven treatment for tendon or cartilage damage, conventional methods remain the standard of care. Peptide therapies may offer future options, but they are not ready for routine clinical use today.

Please refer to our dedicated risks section for details on potential side effects and safety concerns. We advise you to weigh the lack of human data carefully against the benefits of established treatments.

The bottom line

Injectable peptide therapies currently lack strong evidence to support their use in human orthopaedic care. While some topical treatments like EGYFIL may reduce pain and stiffness within hours, most findings come from animal studies rather than human trials. Your doctor will not recommend unproven peptides for sports recovery or performance enhancement. You should expect that these options are not yet standard practice. We advise discussing established treatments with proven safety and effectiveness instead.

Reviewed by Kieran Hirpara · 12 June 2026.

Want the clinical detail? Read the clinician version.

Talk to your treating clinician for advice specific to you.

For an appointment with the CQ Hand + Upper Limb team, ask your GP about a referral or visit www.cqupperlimb.com.

Evidence & references

This is the clinical evidence summary written for health professionals. It is technical, and it lists the research this page was built from. You do not need to read it to understand your treatment or to make a decision about it.

Overview

  • Orthopaedic and sports medicine providers must understand the current lack of evidence to support the clinical use of injectable peptide therapies, despite their potential therapeutic and regenerative benefits [1].
  • Therapeutic strategies for microfracture augmentation, such as those using growth factor–functionalized self-assembling peptide hydrogel scaffolds, can be cost-effective ways to improve cartilage healing outcomes [2].
  • Functionalized self-assembled peptides with hBMP7 biological activity promote the differentiation of adipose-derived stem cells (ADSCs) into nucleus pulposus-like cells [3].
  • Treatment of trochlear defects with only KLD (self-assembling peptide) or only microfracture resulted in an improvement in clinical symptoms compared with no treatment [4].
  • The improvement in clinical symptoms from treating defects with only KLD or only microfracture likely resulted from different causes depending on the treatment [4].
  • The literature on injuries involving artificial turf is suitable for qualitative analysis only due to vast heterogeneity in factors such as level of play, sex, and definition of injury [5].
  • The authors do not recommend the use of BPC-157 for sports performance and recovery because there are no randomized controlled trials investigating its use in human subjects [7].
  • The science is clearly lacking to determine the overall effectiveness, safety profile, and clinical indications for BPC-157 use in sports enhancement in athletes [7].
  • The critical reader uses figures in publications to guide the interpretation of study findings that are described in the text [8].
  • EGYFIL, a topical lotion based on hyaluronic acid and peptides, is safe and seems to reduce pain and stiffness in patients during the 3 days of treatment [9].
  • EGYFIL reduces pain and stiffness in patients already after 3 hours from the first application [9].

How It Works

  • Injectable peptide therapy possesses significant therapeutic and regenerative potential [1].
  • Orthopaedic and sports medicine providers currently lack sufficient evidence to support the clinical use of peptide therapies [1].
  • Self-assembling peptides with hBMP7 biological activity promote the differentiation of adipose-derived stem cells (ADSCs) into nucleus pulposus-like cells [3].
  • Treatment of trochlear defects with only KLD self-assembling peptide or only microfracture results in an improvement in clinical symptoms compared with no treatment [4].
  • The improvement in clinical symptoms from KLD or microfracture treatment likely results from different causes depending on the specific treatment [4].
  • There are no randomized controlled trials investigating the use of BPC-157 in human subjects [7].
  • The science is lacking to determine the overall effectiveness, safety profile, and clinical indications for BPC-157 use in sports enhancement in athletes [7].
  • The authors do not recommend the use of BPC-157 for sports performance and recovery [7].
  • EGYFIL, a topical lotion based on hyaluronic acid and peptides, is safe for the treatment of pain and stiffness in soft tissues [9].
  • EGYFIL reduces pain and stiffness in patients during a 3-day treatment period [9].
  • EGYFIL reduces pain and stiffness already after 3 hours from the first application [9].
  • BMP-7 application significantly enhances the quality of tendon-to-bone healing by promoting structural maturation [10].
  • BMP-7 application significantly enhances the quality of tendon-to-bone healing by promoting functional stability [10].
  • GHRP-2 administration reduced M1 macrophage polarization in a rat rotator cuff tear model [11].
  • GHRP-2 administration enhanced histologic tendon-bone healing properties in a rat rotator cuff tear model [11].
  • GHRP-2 administration enhanced biomechanical tendon-bone healing properties in a rat rotator cuff tear model [11].
  • Axon preservation and minimal inflammation were observed in animals treated with BDNF-incorporated biofunctionalized peptide-based hydrogel [12].
  • Locomotor functional recovery was not observed in animals treated with BDNF-incorporated biofunctionalized peptide-based hydrogel [12].
  • The designed intervention of BDNF-incorporated hydrogel indicates potentiality for further evaluations in developing efficient therapies for severe spinal cord injury [12].

What the Evidence Shows

  • Orthopaedic and sports medicine providers must understand the current lack of evidence to support the clinical use of injectable peptide therapies [1].
  • The improvement in clinical symptoms from KLD or microfracture alone likely resulted from different causes depending on the treatment [4].
  • Injectable therapeutic peptides are not recommended for sports performance and recovery because there are no randomized controlled trials investigating their use in human subjects [7].
  • The science is lacking to determine the overall effectiveness, safety profile, and clinical indications for peptide use in sports enhancement in athletes [7].
  • BMP-7 application significantly enhances the quality of tendon-to-bone healing by promoting structural maturation and functional stability in a rat rotator cuff tear model [10].
  • GHRP-2 administration enhanced histologic and biomechanical tendon-bone healing properties in a rat rotator cuff tear model [11].

Practical Considerations

  • The science is lacking to determine the overall effectiveness, safety profile, and clinical indications for BPC-157 in sports enhancement in athletes [7].
  • The use of BPC-157 for sports performance and recovery is not recommended [7].
  • Functionalized self-assembled peptides promote the differentiation of adipose-derived stem cells (ADSCs) into nucleus pulposus-like cells [3].
  • Treatment of trochlear defects with only KLD (self-assembling peptide) resulted in an improvement in clinical symptoms compared with no treatment [4].
  • Treatment of trochlear defects with only microfracture resulted in an improvement in clinical symptoms compared with no treatment [4].
  • The improvement in clinical symptoms from KLD or microfracture treatment likely resulted from different causes depending on the treatment [4].
  • EGYFIL reduces pain and stiffness in patients during the 3 days of treatment [9].

Key Evidence

  • [L5] While peptide therapy may possess significant therapeutic and regenerative potential, it is critical that orthopaedic and sports medicine providers understand the current lack of evidence to support the clinical use of these peptides. [1] (10.1177/03635465251357593)
  • [L5] Therapeutic strategies for microfracture augmentation, such as those presented in this study, can be cost-effective ways to improve cartilage healing outcomes. [2] (10.1177/03635465211021798)
  • [L5] The functionalized self-assembled peptide promotes the differentiation of ADSCs into nucleus pulposus-like cells. [3] (10.1186/s13018-022-03102-8)
  • [L5] Treatment of defects with only KLD or with only microfracture resulted in an improvement in clinical symptoms compared with no treatment; the improvement likely resulted from different causes depending on the treatment. [4] (10.2106/jbjs.m.01408)
  • [L4] The authors argue that the literature on injuries involving artificial turf is suitable for qualitative analysis only due to vast heterogeneity in factors such as level of play, sex, and definition of injury. [5] (10.1177/03635465231210186)
  • [L5] The authors do not recommend the use of BPC-157 for sports performance and recovery because there are no randomized controlled trials investigating its use in human subjects, and the science is clearly lacking to determine the overall effectiveness, safety profile, and clinical indications for sports enhancement in athletes. [7] (10.1016/j.arthro.2024.09.005)
  • [L5] The critical reader uses figures in publications to guide the interpretation of study findings that are described in the text. [8] (10.1177/03635465241259467)
  • [L4] EGYFIL is safe and seems to reduce pain and stiffness in patients during the 3 days of treatment, already after 3 h from the first application. [9] (10.1186/s12891-023-06903-y)
  • [L5] BMP-7 application significantly enhances the quality of tendon-to-bone healing by promoting structural maturation and functional stability. [10] (10.1016/j.jse.2026.04.003)
  • [L5] GHRP-2 administration reduced M1 macrophage polarization and enhanced histologic and biomechanical tendon-bone healing properties in a rat rotator cuff tear model. [11] (10.1016/j.arthro.2024.11.094)
  • [L5] Although locomotor functional recovery was not observed, axon preservation and minimal inflammation in animals treated with BDNF-incorporated hydrogel indicate the potentiality of the designed intervention for further evaluations in the path of developing efficient therapies for severe spinal cord injury. [12] (10.1016/j.injury.2018.12.027)

References

[1] Injectable Peptide Therapy: A Primer for Orthopaedic and Sports Medicine Physicians. The American Journal of Sports Medicine. 2026. DOI: 10.1177/03635465251357593

[2] Microfracture Augmentation With Trypsin Pretreatment and Growth Factor–Functionalized Self-assembling Peptide Hydrogel Scaffold in an Equine Model. The American Journal of Sports Medicine. 2021. DOI: 10.1177/03635465211021798

[3] Self-assembling peptides with hBMP7 biological activity promote the differentiation of ADSCs into nucleus pulposus-like cells. Journal of Orthopaedic Surgery and Research. 2022. DOI: 10.1186/s13018-022-03102-8

[4] Effects of the Combination of Microfracture and Self-Assembling Peptide Filling on the Repair of a Clinically Relevant Trochlear Defect in an Equine Model. Journal of Bone and Joint Surgery. 2014. DOI: 10.2106/jbjs.m.01408

[5] Lower Extremity Injury Rates on Artificial Turf Versus Natural Grass Playing Surfaces: Response. The American Journal of Sports Medicine. 2024. DOI: 10.1177/03635465231210186

[7] Injectable Therapeutic Peptides—An Adjunct to Regenerative Medicine and Sports Performance?. Arthroscopy. 2024. DOI: 10.1016/j.arthro.2024.09.005

[8] The Critical Reader: Visualizing Data. The American Journal of Sports Medicine. 2024. DOI: 10.1177/03635465241259467

[9] A pre-market interventional, single-arm clinical investigation of a new topical lotion based on hyaluronic acid and peptides, EGYFILTM, for the treatment of pain and stiffness in soft tissues. BMC Musculoskeletal Disorders. 2023. DOI: 10.1186/s12891-023-06903-y

[10] Effects of BMP-7 and Low Molecular Weight Peptide Solution on Healing in a Rotator Cuff Tear Model: A Histopathological and Biomechanical Study in Rats. Journal of Shoulder and Elbow Surgery. 2026. DOI: 10.1016/j.jse.2026.04.003

[11] Growth Hormone–Releasing Peptide 2 May Be Associated With Decreased M1 Macrophage Production and Increased Histologic and Biomechanical Tendon‐Bone Healing Properties in a Rat Rotator Cuff Tear Model. Arthroscopy. 2024. DOI: 10.1016/j.arthro.2024.11.094

[12] Biofunctionalized peptide-based hydrogel as an injectable scaffold for BDNF delivery can improve regeneration after spinal cord injury. Injury. 2019. DOI: 10.1016/j.injury.2018.12.027

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