The Dawn of Light Therapy in Cancer Care
On December 15, 2025, a pivotal moment in cancer care was marked with the launch of the first European reference guide on photobiomodulation (PBM). This guide was unveiled at the esteemed 16th National Congress of Oncology Support Care in Lille, France, organized by the French-speaking Association for Supportive Care in Cancer (AFSOS). While the concept of PBM may be unfamiliar to many healthcare professionals, the scientific evidence establishing its efficacy for various conditions is robust, making this guide a significant milestone for supportive cancer care across Europe.
Understanding Photobiomodulation
So what is PBM? It is a therapeutic technique that employs red, near-infrared, or blue light to promote healing in damaged tissues. This method operates similarly to the treatment of neonatal jaundice, using either lasers or light-emitting diodes (LEDs) to deliver non-thermal light energy. Upon absorption, this energy prompts cellular metabolism, particularly by energizing the mitochondria—our cellular powerhouses. This process enhances the electron transport chain, leading to increased production of ATP and nitric oxide, which collectively propel cellular regeneration and tissue repair.
Clinical Indications and Benefits
The scope of PBM in oncology is considerable, originally recognized for its role in preventing and treating mucositis related to chemotherapy and radiotherapy. As research has advanced, its applications now extend to managing conditions such as:
- Lymphoedema
- Acute dysphagia (difficulty swallowing)
- Dysphonia (voice disorders)
- Dysgeusia (altered taste)
- Palmoplantar erythrodynia (painful palms and soles)
- Xerostomia (dry mouth)
- Trismus (restricted jaw opening)
- Osteoradionecrosis (bone damage due to radiation)
- Chemotherapy-induced neuropathy
- Chemotherapy-induced alopecia (hair loss)
- Post-radiation fibrosis
Although the evidence for some of these conditions is still categorized as moderate—primarily due to variations in tested protocols—the potential benefits for patients are compelling. PBM not only supports healing but also enhances the quality of life by addressing painful and debilitating side effects of standard cancer treatments.
A Step Towards Wider Adoption
Despite the encouraging evidence and benefits, one primary hurdle for PBM's broader acceptance remains: reimbursement. Currently, treatment costs are included in consultation fees, making it a challenge for healthcare providers to justify its use in the absence of insurance coverage. As this new guide aims to facilitate conversations with health ministries, demonstrating the preventative benefits of PBM in mitigating complications and hospital visits is essential to overcoming this financial barrier.
Public Awareness and the Role of Patient Advocacy
Public interest in PBM is on the rise, with patient advocacy groups playing a crucial role in this movement. Many patients are now actively requesting PBM, highlighting the need for healthcare professionals to familiarize themselves with this innovative approach. Moreover, the popularity has spurred a market for home devices, raising safety concerns that require attention. Many of these products lack proper European Conformity marking, which certifies that they meet EU safety and performance standards.
Future Implications and Conclusion
The launch of the first European guide on PBM marks an important step in cancer care. It lays the groundwork for further exploration of this therapy's potential and encourages more healthcare practitioners to consider its use in supportive care. By bridging the knowledge gap and advocating for better policies, we can enhance patient outcomes and promote a holistic approach to cancer treatment.
As PBM expands beyond oncology into other fields like sports medicine and gynecologic health, its adoption promises to enhance quality of life on multiple fronts. The time is now for patients and healthcare professionals alike to embrace this evolving treatment option, championing its benefits at every step. If you're a clinician, patient, or advocate, encourage discussions about light therapy's potential in cancer care and rise to the forefront of this promising frontier.
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