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Svær Kronisk Neuropatisk Smerte: En Behandlingspakke, der Anvender Rygmarvsstimulering og Multidisciplinær Behandling, til at Reducere Smerter og Forbedre Fysisk Funktion. (SCS-R)

4. maj 2026 opdateret af: Lars-Petter Granan, Oslo University Hospital

Optimering af behandling for kronisk neuropatisk smerte: En replikeret eksperimentel single-case-design, der evaluerer en behandlingspakke bestående af tværfaglig rehabilitering og rygmarvsstimulering (SCS-R)

Personer med nerveskade kan udvikle nervesmerter. Smerterne kan nogle gange være svære og uforudsigelige og forårsage mærkelige eller alarmerende fornemmelser - for eksempel lynlignende eller elektrisk stød-følelser i området, der betjenes af den beskadigede nerve.

Vi vil undersøge en behandling af nervesmerter i benene forårsaget af nerveskade, som kan opstå efter en diskusprolaps eller et knoglebrud, med eller uden operation.

Tidligere forskning antyder, at rygmarvsstimulering kan lindre nervesmerter i benene efter operation eller skade, men dens effektivitet er stadig omdiskuteret. Andre undersøgelser viser, at multidisciplinær behandling hjælper personer med langvarige smerter til at forbedre deres livskvalitet og bedre at klare sig i livet. Nationale og internationale retningslinjer anbefaler denne form for multidisciplinær behandling for langvarige smerter.

Ingen har endnu offentliggjort forskning om rygmarvsstimulering kombineret med multidisciplinær behandling som en samlet intervention. Vi ønsker derfor at finde ud af, om denne kombinerede tilgang kan reducere nervesmerter i benene og forbedre den fysiske funktion.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Single-case experimental design (SCED) with repeated measurements structured into phases is the method of this study.

Phase A1 is the pre-implantation baseline, Phase A2 is waiting time from implantation to start of the intervention (SCS+rehabilitation). Length of A2 is randomized (2-4 weeks).

Phase B is the active SCS+rehabilitation intervention and lasts for 12 weeks (for analysis split into an early B1 (week 1-5) and a later B2 period (week 8-12), and FU is the 5 week follow-up approximately 6 months after implantation.

Outcomes are measured repeatedly within these phases, allowing within-patient phase contrasts.

In general, baseline (A1) is compared with the intervention periods (B1 and B2) and with follow-up (FU). The main pre-specified contrasts for the primary outcomes are:

  1. For leg pain intensity A1 vs B1 is the primary comparison and A1 vs B2 is secondary, with A1 vs FU and B2 vs FU reported descriptively.
  2. For physical function (PROMIS-29), A1 vs B2 is the primary comparison as onset of rehabilitation effect is expected to be delayed. A1 vs B1 is exploratory, with A1 vs FU and B2 vs FU reported descriptively.

Other repeated-measures outcomes (PROMIS-29 domains and additional NRS/physical activity measures) follow the same structure, with A1 vs B2 generally defined as secondary and A1 vs FU descriptive as shown in the statistical tables

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

10

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

  • Navn: Christopher Ekholdt, PhD-student
  • Telefonnummer: +4723026161
  • E-mail: chrekh@ous-hf.no

Undersøgelse Kontakt Backup

  • Navn: Lars-Petter Granan, Ph.D
  • Telefonnummer: +4723026161
  • E-mail: largra@ous-hf.no

Studiesteder

  • Norge
      • Oslo, Norge
        • Rekruttering
        • Department of pain management and research, Oslo university hospital
        • Kontakt:
        • Kontakt:
          • Christopher Ekholdt, Ph.D-student
          • Telefonnummer: +4723026161
          • E-mail: chrekh@ous-hf.no

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inklusionskriterier:

  • Perifer neuropatisk smerte i et eller begge ben i >6 måneder på grund af:

    • (1) Postspinalt smerte syndrom (type 1 eller 2).
    • (2) Lokaliseret nerveskade.
  • Området med den neuropatiske smerte i benet/benene skal være den dominerende smertekomponent.
  • Aldersinterval fra 18-60 år.
  • Tidligere standard konservativ (eller kirurgisk) behandling forsøgt.
  • Opioidbrug inden for tilladte grænser ved implantatindsættelsestidspunktet (daglig opioiddosis <50 mg OMEQ).
  • Villighed til aktivt at deltage i behandlingspakken.
  • Bor inden for rimelig rejseafstand fra Oslo.
  • Beherskelse af at forstå mundtlig og skriftlig norsk, essentielt for at drage fordel af programmet, som er afhængig af gensidig forståelse, nuanceret samtale og følelsesmæssig udtryk, der er sprogafhængige.
  • Kognitiv kapacitet til at give informeret samtykke.
  • Evne til at mestre de tekniske aspekter af SCS-systemet (skifte programmer på fjernbetjeningen).

Eksklusionskriterier:

  • I øjeblikket gennemgår ansøgningsprocessen for sundhedsydelser (f.eks. førtidspension fra NAV (Norsk arbeids- og velferdsforvaltning)).
  • Præsenterer en psykologisk eller psykiatrisk lidelse, der kan påvirke behandlingseffektiviteten.
  • Kroniske generaliserede smerteforhold.
  • Andre smerteforhold i det påvirkede område, såsom osteoartrit.
  • Graviditet.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Behandlingspakke
Behandlingspakke bestående af rygmarvsstimulering samt tværfaglig rehabilitering
Andet: Behandlingspakke
Interventionen er en behandlingspakke bestående af rygmarvsstimulering plus tværfaglig rehabilitering. Den tværfaglige rehabilitering består af motionsterapi, kognitiv terapi og individuel programmering af SCS-enheden.
Andre navne:
  • Rehabilitering
  • Fysioterapi
  • Accept- og engagementsterapi
  • Kognitiv terapi
  • Rygmarvsstimulering
  • Motionsterapi

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Pain intensity in leg(s)
Tidsramme: From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.

Assessed using an 11-point Numeric Rating Scale (NRS 0-10) for leg pain the last 24 hours, where 0 = "no pain" and 10 = "worst imaginable pain." Higher scores indicate more severe pain. MCID: decrease of ≥2 points.

Measured three times per week during the single-case experimental design phases: baseline (A1), SCS+rehabilitation intervention (B1/B2), and follow-up (FU) .
From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
Physical function (PROMIS-29)
Tidsramme: From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
Assessed using the PROMIS-29 Physical Function domain T-score (mean 50, SD 10 in the reference population). Higher scores indicate better physical function. MCID: increase of ≥5 T-score points. Measured three times per week during the single-case experimental design phases: baseline (A1), SCS+rehabilitation intervention (B1/B2), and follow-up (FU) .
From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Pain intensity in the lower back
Tidsramme: From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.

Assessed using an 11-point Numeric Rating Scale (NRS 0-10) for lower back pain the last 24 hours, where 0 = "no pain" and 10 = "worst imaginable pain." Higher scores indicate more severe pain. MCID: decrease of ≥2 points.

Measured three times per week during the single-case experimental design phases: baseline (A1), SCS+rehabilitation intervention (B1/B2), and follow-up (FU)
From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
Pain interference (PROMIS-29)
Tidsramme: From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.

Assessed using the PROMIS-29 Pain Interference domain T-score. Higher scores indicate more interference of pain with daily activities. Improvement is defined as a decrease of ≥5 T-score points (MCID).

Assessed once a week at baseline (A1), during SCS+rehabilitation (B1/B2), and at follow-up (FU).
From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
Pain intensity (PROMIS-29)
Tidsramme: From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.

Assessed using an 11-point Numeric Rating Scale (NRS 0-10) for pain intensity last 7 days in PROMIS-29, where 0 = "no pain" and 10 = "worst imaginable pain." Higher scores indicate more severe pain. MCID: decrease of ≥2 points.

Assessed at baseline (A1), during SCS+rehabilitation (B1/B2), and at follow-up (FU).
From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
Physical function (6-min-walk test)
Tidsramme: Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.

Functional walking capacity is assessed using the Six-Minute Walk Test (6MWT). Distance walked in 6 minutes on a flat course is recorded in meters; higher distances indicate better walking capacity.

Assessed pre-implantation, end of SCS+rehabilitation (end of B2), and at follow-up (FU).
Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.
Physical function (sit-to-stand test)
Tidsramme: Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.
Lower limb functional strength and endurance are assessed with a Sit-to-Stand Test, recorded as number of repetitions in a fixed time. More repetitions indicate better performance. Assessed pre-implantation, end of SCS+rehabilitation (end of B2), and at follow-up (FU).
Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.
Physical function (stair test)
Tidsramme: Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.

Functional mobility is assessed using a Stair test (ST; time to climb 18 stairs 3 times; lower times indicate better function).

Assessed pre-implantation, end of SCS+rehabilitation (end of B2), and at follow-up (FU).
Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.
Physical activity (MET-minutes per week)
Tidsramme: From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.

Physical activity is assessed as metabolic equivalent (MET) minutes per week, calculated from reported frequency and duration of activities (International Physical Activity Questionnaire (IPAQ)). Higher values indicate greater weekly physical activity.

Assessed once per week during baseline (A1), SCS+rehabilitation (B1/B2), and follow-up (FU) within the single-case experimental design.
From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
Health-related quality of life (EQ-5D index)
Tidsramme: From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.

EQ-5D-5L index score (range 0-1; higher scores indicate better health-related quality of life).

Assessed once a week at baseline (A1), during SCS+rehabilitation (B1/B2), and at follow-up (FU).
From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
Health-related quality of life (EQ-5D-5L VAS)
Tidsramme: From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.

EQ-5D Visual Analogue Scale (EQ-5D VAS; 0-100; higher scores indicate better health-related quality of life).

Assessed once a week at baseline (A1), during SCS+rehabilitation (B1/B2), and at follow-up (FU).
From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
Depression symptoms (PROMIS-29)
Tidsramme: From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
PROMIS Depression scale (T-score; mean 50, SD 10 in U.S. population; higher scores indicate greater symptom severity). Improvement is defined as a decrease of ≥5 T-score points (MCID). Assessed once a week at baseline (A1), during SCS+rehabilitation (B1/B2), and at follow-up (FU).
From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
Social participation (PROMIS-29)
Tidsramme: From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.

PROMIS Ability to Participate in Social Roles and Activities short form, reported as a T-score (higher scores indicate better function). MCID: increase of ≥5 T-score points.

Assessed once a week at baseline (A1), during SCS+rehabilitation (B1/B2), and at follow-up (FU).
From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
Fatigue (PROMIS-29)
Tidsramme: From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.

Assessed using the PROMIS-29 Fatigue domain T-score. Higher scores indicate greater fatigue. Improvement is defined as a decrease of ≥5 T-score points (MCID).

Assessed once a week at baseline (A1), during SCS+rehabilitation (B1/B2), and at follow-up (FU).
From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
Sleep disturbance (PROMIS-29)
Tidsramme: From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.

Assessed using the PROMIS-29 Sleep Disturbance domain T-score. Higher scores indicate more sleep problems. Improvement is defined as a decrease of ≥5 T-score points (MCID).

Assessed once a week at baseline (A1), during SCS+rehabilitation (B1/B2), and at follow-up (FU).
From baseline through 12 weeks after start of SCS+rehabilitation and during a 5-week period approximately 6 months after implantation.
Opioid and Analgesic Use
Tidsramme: Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.

Total opioid consumption quantified as milligrams of oral morphine equivalents (OMEQ) per day; non-opioid analgesics quantified in milligrams per day per medication.

Assessed pre-implantation, end of SCS+rehabilitation (end of B2), and at follow-up (FU).
Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.
Return to work
Tidsramme: Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.

Return to work status, quantified as hours worked per week (higher values indicate greater work participation).

Assessed pre-implantation, end of SCS+rehabilitation (end of B2), and at follow-up (FU).
Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.
Fear of movement (Tampa Scale)
Tidsramme: Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.

Fear of movement is assessed using the Tampa Scale for Kinesiophobia (TSK). Higher scores indicate greater fear of movement. Improvement is defined as a decrease of >6 points.

Assessed pre-implantation, end of SCS+rehabilitation (end of B2), and at follow-up (FU).
Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.
Patient-specific functioning
Tidsramme: Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.

Patient-Specific Functional Scale (PSFS), up to five activities selected in cooperation with personnel, rated 0-10 (higher scores indicate better function; average score reported).

Assessed once a week at baseline (A1), during SCS+rehabilitation (B1/B2), and at follow-up (FU).
Pre-implantation, at end of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.
Patient satisfaction
Tidsramme: End of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.
Patient Global Impression of Change (PGIC), 7-point Likert scale (1 = "very much worse" to 7 = "very much improved").
End of 12-week SCS+rehabilitation, and at approximately 6 months after implantation.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Oslo University Hospital

Efterforskere

  • Ledende efterforsker: Lars-Petter Granan, Ph.D, Department of pain management and research, Oslo university hospital

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

4. maj 2026

Primær færdiggørelse (Anslået)

1. april 2027

Studieafslutning (Anslået)

1. juli 2027

Datoer for studieregistrering

Først indsendt

4. februar 2026

Først indsendt, der opfyldte QC-kriterier

4. februar 2026

Først opslået (Faktiske)

11. februar 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

6. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

4. maj 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 942321

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Direkte og indirekte identifikatorer - inklusive navne, præcise datoer og andre genidentifikationsrisici - vil blive systematisk fjernet eller transformeret (såsom indeksjustering af datoer for at bevare intervaller samtidig med at forhindre sammenkædning), hvilket sikrer, at datasættet understøtter robuste sekundæranalyser samtidig med at deltagernes privatliv opretholdes.

Studieprotokollen er planlagt offentliggjort.

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