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SNEEZE AND CANCER TREATMENT ON THE SAME DRUG?

Can a very common allergy medicine improve survival among patients suffering from the serious skin cancer, malignant melanoma? A new study from Lund University in Sweden indicates that this may be the case.

     Melanoma is a type of skin cancer that develops when the melanocytes (the cells that give the skin its tan or brown color) start to grow out of control. Melanoma is much less common than some other types of skin cancers. But melanoma is more dangerous because it is much more likely to spread to other parts of the body if not caught and treated early.

“Previous studies have shown that the same antihistamines have survival benefits in breast cancer. Now we see the same thing concerning malignant melanoma. However, more research is required to confirm the results,” emphasizes Prof. Håkan Olsson. He is one of the researchers behind the study, which was recently published in the research journal, Allergy.

In the study, the researchers examined the use of six antihistamines in patients diagnosed with malignant melanoma; desloratadine, cetirizine, loratadine, clemastine, ebastine and fexofenadine.

They have matched information from three large clinical registries (the prescribed drug registry, cancer registry and cause of death registry) for everyone in Sweden between 2006 and 2014 who received their first diagnosis of skin cancer, a total of 24,562 individuals. Of these individuals, 1,253 were antihistamine users.

Most used desloratadine (395) cetirizine (324), loratadine (251) or clemastine (192).The other antihistamines were used by considerably fewer individuals. The follow-up of individuals was carried out on 31 December 2018.

“We observed improved survival among those who used desloratadine and to a certain extent also loratadine, particularly in the age group 65 and older, when we compared with those who had not used antihistamines. The use of the other antihistamines showed no significant survival effect. The use of desloratadine and loratadine also seemed to reduce the risk of getting a new malignant melanoma,” says Prof. Håkan Olsson.

“The finding is interesting for a future drug against melanoma and may also help in advanced stages of the disease. In addition, the medicines have virtually no side effects.”The research team is now planning animal experiments and randomized studies in order to understand the mechanisms behind the effect, the appropriate dose and optimum treatment period.

“We are collaborating with researchers in Barcelona and Stockholm. In Lund, we are underway with studies in both animal and human subjects, in which doses of antihistamines will be compared with the patients who do not take antihistamines, in order to measure the treatment effect,” concludes Prof. Håkan

REFERENCE

1. Lund University. (2020, May 11). Antihistamines may help patients with malignant melanoma. ScienceDaily. Retrieved May 17, 2020 from https://www.sciencedaily.com/releases/2020/05/200511112616.htm

2. Eurekalert. (2020, May 14). “Allergy Medications May Treat Malignant Melanoma Patients”. Medindia. Retrieved May 17, 2020 from https://www.medindia.net/news/antihistamines-may-help-patients-with-malignant-melanoma-194948-1.htm

3. American Cancer Society. (n.d.). “What Is Melanoma Skin Cancer?” Retrieved May 17, 2020 from https://www.cancer.org/cancer/melanoma-skin-cancer/about/what-is-melanoma.html
#references

IMAGE GLOSSARY

1. https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.express.co.uk%2Flife-style%2Fhealth%2F1150640%2Fskin-cancer-signs-melanoma-symptoms-mole&psig=AOvVaw3cXQ_gNh7MKWxIEDPyyQaD&ust=1590677 603838000&source=images&cd=vfe&ved=0CAIQjRxqFwoTCKDN7uWs1OkCFQAAAAAdAAAAABAD

2. https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.miragenews.com%2Fantihistamines-may-help-patients-with-malignant-melanoma%2F&psig=AOvVaw1t_IqokHJMuNxTXfcZ1FO7&ust=1590676358415000&source=i mages&cd=vfe&ved=0CAIQjRxqFwoTCOivw_Ss1OkCFQAAAAAdAAAAABAD

3. https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.shutterstock.com%2Fimage-photo%2Fkyiv-ukrainemay-27-2019-loratadine-medication-1408679642&psig=AOvVaw3B_mEOlpOjRMdWY80TXFef&ust=159067810 7185000&source=images&cd=vfe&ved=0CAIQjRxqFwoTCJDH4Yut1OkCFQAAAAAdAAAAABAX

4. https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.shutterstock.com%2Fimage-photo%2Fkyiv-ukrainemay-25-2019-fexofenadine-medication-1406925812&psig=AOvVaw3B_mEOlpOjRMdWY80TXFef&ust=1590678 107185000&source=images&cd=vfe&ved=0CAIQjRxqFwoTCJDH4Yut1OkCFQAAAAAdAAAAABAc

5. https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.pinterest.com%2Fpin%2F330381322648811707%2F&psig=AOvVaw3B_mEOlpOjRMdWY80TXFef&ust=1590678107185000&source=images&cd=vfe&ved=0CAIQjRx qFwoTCJDH4Yut1OkCFQAAAAAdAAAAABAn

6. https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.news-medical.net%2Fhealth%2FLong-Term-Effects-of-Taking-Allergy-Medications.aspx&psig=AOvVaw3B_mEOlpOjRMdWY80TXFef&ust=1590678107185000&source=i mages&cd=vfe&ved=0CAIQjRxqFwoTCJDH4Yut1OkCFQAAAAAdAAAAABBX