Title {1}	Study protocol for a prospective, randomized, multicenter trial to investigate the influence of peripheral nerve stimulation on patients with chronic sacroiliac joint syndrome (SILENCING)
Trial registration {2a and 2b}	ClinicalTrials.gov Identifier: NCT05357300, registered April 26, 2022; https://www.clinicaltrials.gov/ct2/show/NCT05357300
Protocol version {3}	SILENCING protocol v1, May 2, 2022
Funding {4}	Boston Scientific Corporation (Vestatstraat 6, 6468 EX Kerkrade, Netherlands). The funders had no role in study design, data collection, or preparation of the manuscript
Author details {5a}	Tarik Alp Sargut,MD 1 ;Dimitri Tkatschenko, MD 1 ; Anton Früh, MD 1 ; Jochen Tüttenberg, MD 2 ; Alexander Heckert, MD 3 ; Steffen Fleck, MD 4 ; Anja Kuckuck 1 ;Simon Heinrich-Bayerl, MD 1 1Department of Neurosurgery, Charité – Universitätsmedizin Berlin, Berlin, Germany 2Department of Neurosurgery, Clinical Center Idar-Oberstein, 55,743, Idar-Oberstein, Germany 3Department of Neurosurgery, University of Oldenburg, Oldenburg, Germany 4Department of Neurosurgery, University Medicine Greifswald, Sauerbruchstrasse, Greifswald, Germany
Name and contact information for the trial sponsor {5b}	Charité – Universitätsmedizin Berlin Department of Neurosurgery Hindenburgdamm 30 10,203 Berlin, Germany simon.bayerl@charite.de
Role of sponsor {5c}	The study sponsor as initiating study site has implemented the study design, data collection, management, analysis and interpretation of data. Preparation of the manuscript and the decision to submit was made by the sponsor. The funders had no role or authority in study design, data collection, management, analysis, or interpretation of data. They will have no role in the writing of associated publications and the decision to submit papers for publication