Intrathecal Pump Refill Undergoing Regular Intrathecal Pump Refill

Status Completed

Clinical Trial Summary

Reservoir fill port identification by palpation versus ultrasound,a mono-centre prospective comparison study in patients undergoing regular intrathecal pump refill

Clinical Trial Description

Intrathecal drug therapy with implantable intrathecal pumps is being utilized increasingly for the treatment of chronic refractory pain and spasticity. However, performing the regular refill procedures of the pumps with the commonly performed "blind" technique caries the potential risk of medication injection into the subcutaneous tissue, which can lead to an overdose.

Objective: The primary purpose of this study is to assess the accuracy of the ultrasound-guided technique for the refill procedure compared to the blind technique in subjects undergoing regular refills of their intrathecal pumps for the treatment of chronic non-malignant pain or spasticity.

Study design: Mono-center prospective efficacy and reliability study comparing two approaches to enter the fill port. Study population: The investigators will include patients with an intrathecal pump for the treatment of chronic non-malignant pain or spasticity, undergoing regular refills of their intrathecal pumps at our Centro Terapia del Dolore at the Ospedale Italiano a Viganello(EOC, Switzerland). Intervention: Two different experienced clinicians will perform one time the blind technique and two times the ultrasound-guided technique on all patients.sample size calculations can be performed. The sample size i.e. n=25 patients in NSI-TD-001 Protocol v. 1.0 Final: August 4th, 2014 Confidential Page 31 of 40 total assessed 6 six times is therefore based on practical grounds related feasibility to duration of inclusion (i.e. one year). This would imply 50 paired assessments for both fill port accuracy assessment and intra-rater reliability. The investigators believe based on clinical experience that this number would suffice to detect a difference between methods. Likewise, although no formal power calculation are available for ICC based reliability assessment, as a rule of thumb 50 paired assessments are usually considered adequate to evaluate intra-rater liability. ;

Study Design

Related Conditions & MeSH terms

Chronic Pain

Clinical Trial Details

NCT number	NCT02296515
Study type	Observational
Source	Ospedale Regionale di Lugano
Contact
Status	Completed
Phase	N/A
Start date	October 2014
Completion date	November 2017

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.