Clinical Studies

Energist Limited are a UK based research and manufacturing company specialising in the application of light based technologies for the medical and aesthetic markets.

The following overviews detail the published clinical papers conducted by Energist's clinical partners worldwide. Further studies currently underway will be added as they become available.

Please contact Energist for further information on any of these studies:

(1)
Evaluation of safety and efficacy of variable pulsed light in the treatment of unwanted hair in 77 volunteers.

Prof. R. Knobler et al., Department of Dermatology, Division of Special and Environmental Dermatology, Medical University of Vienna, Austria
Published in Journal of European Academy of Dermatology and Venereology March 2008, Vol. 22, Issue 3

Professor Knobler has been working with Energist since 2001. He provided the early data on the safety and efficacy of Energist systems for hair removal on 46 patients, presented in the white paper supplied from September 2003. He selected patients who were clinically diagnosed with hypertrichosis. These patients were also, in general, resistant to other forms of treatment including laser & pharmaceutical options. This initial study led to the further treatment and extended evaluation of over 100 patients. It is from this extended study that we have gathered the data that is presented in the above titled clinical study.

“The VPL™ system presents itself as an efficient and safe method for long-term hair removal. In addition, the VPL™ system was effective in a selected group of patients which included those who had previously failed other forms of treatment.”

(2)
Variable pulsed light is less painful than light-emitting diodes for topical photodynamic therapy of actinic keratosis: a prospective randomized controlled trial.

Prof. R. M. Szeimies et al., Department of Dermatology and Centre of Clinical Studies, University of Regensburg, 93042 Regensburg, Germany.
Published in British Journal of Dermatology Vol. 157 Issue 1 Page 111 July 2007

This study was undertaken as an ethically approved study as proof of concept for the use of VPL™ as an alternative light source to the commonly used LED sources. Prof. Szeimies holds a position of senior lecturer at the Department of Dermatology, Regensburg University Hospital . At present his main research interests are in allergology and photobiology, especially photodynamic therapy. Prof. Szeimies has published more than 90 articles in peer-reviewed journals and over 40 chapters in books. Prof. Szeimies is president of the German Society for Photobiology, and vice-president of the European Society for Photodynamic Therapy in Dermatology.

“VPL used for MAL-PDT is an efficient alternative for the treatment of AK that results in complete remission and cosmesis equivalent to LED irradiation but causes significantly less pain.”

(3)
The treatment of Acne Vulgaris with Variable Pulsed Light (VPL™) using the Energist Ultra VPL™

Dr. med. Gebhard E. M. Gramlich, Chefarzt Privatklinik Hegenmühle GbR
Published in “Äesthetische Dermatologie” Issue 3 2006

This study was conducted in a very successful working medical aesthetic clinic in Southern Germany . Dr Gramlich was in search of an alternative therapy to offer to clients that were not responding to the routine acne treatments such as topical fruit acids, benzoyl peroxide and the most aggressive of all Roaccutane. When he saw the excellent results that he was achieving with the Ultra VPL™ system it was a great opportunity to share the data collected and provide a review of the causes and current treatments available for active acne.

“Altogether 80.64% of the cases achieved at least 70% improvement of the symptoms. 90.33% of the patients judged the result of the treatment as good and/or very good.

The treatment with variable pulsed light is an outstanding method for the treatment of acne vulgaris at every level of severity. This therapy is important and valuable in the treatment of this dermalogical complaint”