Thursday, October 08, 2020

Rotigotine Contact Dermatitis

The patient is a 90 yo man who has symptoms suggestion of Parkinson’s disease.  Four months ago his neurologist started him on Neupro®, a Rotigotine Transdermal Therapeutic System.  His dosage was slowly increased.  The patient’s mental status is excellent, and although his back was pruritic, he could not see it.  A light-complected White with a history of skin cancer, he was seen for a regular follow-up examination during which a peculiar pattern of rectangular erythematous patches was noted.

Clinical Photo

 Diagnosis:  Probable allergic contact dermatitis to Neupro®  (Rotigotine)

The Wikipedia page for rotigotine states:
“General side effects for rotigotine may include constipation, dyskinesia, nausea, vomiting, dizziness, fatigue, insomnia, somnolence, confusion, and hallucinations.[8][9] More serious complications can include psychosis and impulse control disorders like hypersexuality, punding, and pathological gambling.[10] Mild adverse skin reactions at the patch application site may also occur.  However, PubMed has only one reference to  this dermatitis.  The case report was of a patient who developed ACD to the active ingredient, but not to the vehicle.

It is likely that ACD to rotigotine is not as uncommon as the literature would lead us to assume.

Nadia Raison-Peyron, Bernard Guillot. Allergic contact dermatitis caused by rotigotine in a transdermal therapeutic system. Contact Dermatitis. 2016 Aug;75(2):121-2.
Abstract:  Allergic contact dermatitis caused by transdermal therapeutic systems (TTSs), resulting from the active drug, an adhesive, or an excipient, is rare. We report the first case of allergic contact dermatitis caused by rotigotine, a non-ergolinic dopamine receptor agonist, in a TTS in a patient treated for Parkinson’s disease.  In this patient the rotigotine patch test was positive and there were negative results with the rotigotine patch tests in 5 controls.



1 comment:

  1. Prof. Bhushan KumarOctober 14, 2020

    This is not unusual. We have seen this kind of clinical picture with patch testing, patches applied for relief of pain and patches for hormone delivery.


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