Rhinitis, sinusitis, and ocular diseases
Rhinophototherapy: A new therapeutic tool for the management of allergic rhinitis

https://doi.org/10.1016/j.jaci.2004.11.005Get rights and content

Background

Phototherapy has a profound immunosuppressive effect and is able to inhibit hypersensibility reactions in the skin.

Objective

We evaluated whether phototherapy using a combination of UV-B (5%), UV-A (25%), and visible light (70%), referred to as mUV/VIS, is effective in treating allergic rhinitis.

Methods

We conducted a randomized, double-blind study, in 49 patients with hay fever. The study was performed during the ragweed season. Each intranasal cavity was illuminated 3 times a week for 3 weeks with mUV/VIS or with low-intensity visible light. Symptom scores, inflammatory cells, and their mediators were assessed in nasal lavages. In vitro effects of mUV/VIS irradiation on T-cell and eosinophil apoptosis and its inhibitory effect on mediator release from basophils were examined.

Results

Rhinophototherapy was tolerated well and resulted in a significant improvement of clinical symptoms for sneezing (P < .016), rhinorrhea (P < .007), nasal itching (P < .014), and total nasal score (P < .004). None of the scores improved significantly in the control group. Scores for nasal obstruction slightly improved after mUV/VIS treatment and significantly increased in the control group (P < .017). In the nasal lavage, phototherapy significantly reduced the number of eosinophils and the level of eosinophil cationic protein and IL-5. In vitro irradiation of T cells and eosinophils with mUV/VIS light dose-dependently induced apoptosis. Furthermore, mUV/VIS irradiation inhibited the mediator release from RBL-2H3 basophils.

Conclusion

These results suggest that phototherapy is an effective modality to treat allergic rhinitis and offer new options for the treatment of immune-mediated mucosal diseases.

Section snippets

Study design for rhinophototherapy

We conducted a randomized, double-blind study in patients with a history of at least 2 years of moderate to severe ragweed-induced allergic rhinitis that was not controlled by antiallergic drugs. Positive SPT results and an elevated level of ragweed-specific IgE antibody confirmed the diagnosis. The Ethical Committee of Szeged University approved the protocol. All patients gave their written informed consent. We excluded potential subjects from the study if they had any significant nasal

Effects of phototherapy on clinical symptoms of allergic rhinitis

Forty-nine patients received intranasal phototherapy, either with mUV/VIS light (25 patients) or l-VIS (24 patients). The 2 groups did not differ in age, disease duration, or clinical scores at the beginning of treatment protocol (see Table EI in the Online Repository at www.mosby.com/jaci). TNS significantly decreased after mUV/VIS (P = .004) and slightly increased after l-VIS treatment (P > .05; (Fig 1, A). In the mUV/VIS group, the individual scores decreased compared with baseline for sneezing (

Discussion

The goal of our study was to assess the efficacy of phototherapy in allergic rhinitis. Our data reveal that mUV/VIS significantly suppressed the clinical symptoms of allergic rhinitis. Phototherapy locally reduced the number of inflammatory cells and the level of mediators. Rhinophototherapy was tolerated well and significantly reduced the clinical scores for sneezing, rhinorrhea, and nasal itching as well as the TNS.

Recently, we could show in a pilot study that intranasal phototherapy with

References (37)

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Supported by a grant of the Hungarian Ministry of Health (ETT-419/2003) and a grant of the Hungarian Ministry of Education (OMFB-01620) to Dr Kemeny.

Disclosure of potential conflict of interest: Lajos Kemeny, Attila Dobozy, Zsolt Bor, Gabor Szabo, and Ferenc Ignacz are cofounders of a company that will produce the light source for treatment and have submitted a patent application on this topic (patent pending).

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