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. 2022 Nov;22(4):519-565.
doi: 10.1007/s10238-022-00846-9. Epub 2022 Jun 29.

Systematic review about complementary medical hyperthermia in oncology

Christina Maria Liebl  1 , Sabine Kutschan  1 , Jennifer Dörfler  1 , Lukas Käsmann  2 , Jutta Hübner  3
Affiliations

Systematic review about complementary medical hyperthermia in oncology

Christina Maria Liebl et al. Clin Exp Med. 2022 Nov.

Abstract

Hyperthermia is a generic term for different techniques using heat in cancer therapies. Temperatures of about 42° Celsius in combination with chemo- or radiotherapy may improve the effectiveness of those treatments. Clinical benefit is shown in "standard hyperthermia" with tumour temperatures assessed during treatment. This systematic review thoroughly assesses the state of evidence concerning the benefits and side effects of electro hyperthermia or whole-body hyperthermia ("alternative hyperthermia") in oncology. From 26 April 2021 to 09 May 2021, a systematic search was conducted searching five electronic databases (Embase, Cochrane, PsycINFO, CINAHL and Medline) to find studies concerning the use, effectiveness and potential harm of alternative medical hyperthermia therapy on cancer patients. From all 47,388 search results, 53 publications concerning 53 studies with 2006 patients were included in this systematic review. The patients were diagnosed with different types of cancer. The hyperthermic methods included whole-body hyperthermia (WBH) with different methods and electro hyperthermia (EH). The majority of the included studies were single-arm studies, counting in total 32 studies. Six studies were randomized controlled trials (RCT). In addition, one systematic review (SR) was found. The most critical endpoints were tumour response, survival data, pain relief, myelosuppression and toxicities. Outcome was heterogeneous, and considering the methodological limitations, clinical evidence for the benefit of alternative hyperthermia in cancer patients is lacking. Neither for whole-body hyperthermia nor for electro hyperthermia there is any evidence with respect to improvement of survival or quality of life in cancer patients.

Keywords: Electro hyperthermia; Extracorporeal circulation; Neoplasm; Whole-body hyperthermia.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Fig. 1
Fig. 1
Consort diagram
Fig. 2
Fig. 2
Risk of bias of studies of the first level of evidence (short characteristics)
Fig. 3
Fig. 3
Risk of bias of studies of the second level of evidence (short characteristics)
See this image and copyright information in PMC

Comment in

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