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Effects of Genuine vs Sham Acupuncture and Communication Type on Relaxation (ACU)

17. srpna 2015 aktualizováno: Mats Lekander, Karolinska Institutet
The purpose of this study is to investigate if it is possible to influence the participants' expectations to improve outcome, in this particular setting the relaxing effects of one single acupuncture treatment with genuine or sham needles combined with positive or neutral communication regarding expected relaxing effects.

Přehled studie

Postavení

Dokončeno

Podmínky

Intervence / Léčba

Detailní popis

Background It is commonly reported that individuals experience a sense of relaxation during acupuncture treatment. However it is not known if the effects are related to the specific effects of needling or non-specific effects associated with the treatment procedure e.g. the communication with the therapist. It is well known that the way in which patients and clinicians communicate with each other affect treatment outcome, and one of the possible mechanisms to mediate the communication-related treatment outcomes is patient expectations.

Aims The aim of the study is therefore to investigate if it is possible to influence the individuals' expectations to improve outcome; in this particular setting the relaxing effects of one single acupuncture treatment with genuine or sham needles combined with positive or neutral communication regarding expected relaxing effects. The investigators also aim to investigate if different therapists influence how individuals perceive treatment effects, blinding and the communication during treatment with genuine and sham acupuncture.

Procedure Nine therapists performed treatments on voluntary healthy individuals who were randomized to a 30 minute treatment session with a) genuine penetrating acupuncture in traditional acupuncture points or b) non-penetrating sham needles in sham points. Within groups, individuals were further randomized to two communication styles 1) neutral communication or 2) strengthened positive communication regarding expectations concerning relaxing effects.

Outcome measures Perceived degree of expectancy and relaxation was measured directly before and after the treatment. The individuals also rated how they experienced the therapist´s communication style regarding grade of positivity and if they believed that the therapist had given them genuine or sham acupuncture directly after treatment.

Typ studie

Intervenční

Zápis (Aktuální)

243

Fáze

  • Fáze 4

Kritéria účasti

Výzkumníci hledají lidi, kteří odpovídají určitému popisu, kterému se říká kritéria způsobilosti. Některé příklady těchto kritérií jsou celkový zdravotní stav osoby nebo předchozí léčba.

Kritéria způsobilosti

Věk způsobilý ke studiu

18 let a starší (Dospělý, Starší dospělý)

Přijímá zdravé dobrovolníky

Ano

Pohlaví způsobilá ke studiu

Všechno

Popis

Inclusion Criteria:

  • Over 18 years of age
  • Able to understand and read/write Swedish

Exclusion Criteria:

  • No acupuncture training

Studijní plán

Tato část poskytuje podrobnosti o studijním plánu, včetně toho, jak je studie navržena a co studie měří.

Jak je studie koncipována?

Detaily designu

  • Primární účel: Léčba
  • Přidělení: Randomizované
  • Intervenční model: Paralelní přiřazení
  • Maskování: Singl

Zbraně a zásahy

Skupina účastníků / Arm
Intervence / Léčba
Aktivní komparátor: acupuncture positive communication
Genuine acupuncture needles combined with positive communication regarding the expected treatment effects
Postup: acupuncture
acupuncture was administered (sharp needles diameter 0.25 x length 40 mm) bilaterally to the acupuncture point pericardium six (PC6) between the tendons of palmaris longus and flexor carpii radialis at two body-inches (one body-inch approximately 1.5 cm) proximal to the wrist at 0.5 body-inch depth. The therapists manually manipulated the needles three times per treatment by rotating, thrusting or lifting the needles. When the participant reported a sense of numbness or soreness and the therapist noted a minimal muscular contraction around the needle.
Ostatní jména:
  • invasive acupuncture
Postup: positive communication
During the acupuncture treatment the therapist conveyed, at least three out of several positive statements, such as: "Many acupuncture studies have shown excellent results concerning relaxation effects", "Brain imaging studies show that acupuncture treatments affect areas that affect pulse, blood-pressure and muscle tension".
Falešný srovnávač: sham acupuncture positive communication
Sham acupuncture needles combined with positive communication regarding the expected treatment effects
Postup: positive communication
During the acupuncture treatment the therapist conveyed, at least three out of several positive statements, such as: "Many acupuncture studies have shown excellent results concerning relaxation effects", "Brain imaging studies show that acupuncture treatments affect areas that affect pulse, blood-pressure and muscle tension".
Postup: sham acupuncture
sham acupuncture was administrated (blunt needles diameter 0.25 x length 40 mm) bilaterally to a non-acupuncture point four body-inch proximal and one body-inch radial from the PC6 point, with the telescopic non-penetrating Park´s sham needle [20]. Park's credible needle looks identical to a real needle but glides upward into its handle, giving an illusion of penetration. A marking tube, identical for both acupuncture types, held the sham needle in place. The therapists manipulated the needles a few seconds three times per session until the needles touched the skin, but no "needle sensation" occurred, and then lifted the needles up from the skin.
Ostatní jména:
  • placebo acupuncture
Aktivní komparátor: acupuncture neutral communication
Genuine acupuncture needles combined with neutral communication regarding the expected treatment effects
Postup: acupuncture
acupuncture was administered (sharp needles diameter 0.25 x length 40 mm) bilaterally to the acupuncture point pericardium six (PC6) between the tendons of palmaris longus and flexor carpii radialis at two body-inches (one body-inch approximately 1.5 cm) proximal to the wrist at 0.5 body-inch depth. The therapists manually manipulated the needles three times per treatment by rotating, thrusting or lifting the needles. When the participant reported a sense of numbness or soreness and the therapist noted a minimal muscular contraction around the needle.
Ostatní jména:
  • invasive acupuncture
Postup: neutral communication
During the acupuncture treatment the therapists conveyed, at least three out of several neutral statements, such as: "During treatment you will just lie down and rest and I will not talk so much to you", "We don´t really know if acupuncture is a good method for relaxation effects; thus we need to perform this study",
Falešný srovnávač: sham acupuncture neutral communication
Sham acupuncture needles combined with neutral communication regarding the expected treatment effects
Postup: sham acupuncture
sham acupuncture was administrated (blunt needles diameter 0.25 x length 40 mm) bilaterally to a non-acupuncture point four body-inch proximal and one body-inch radial from the PC6 point, with the telescopic non-penetrating Park´s sham needle [20]. Park's credible needle looks identical to a real needle but glides upward into its handle, giving an illusion of penetration. A marking tube, identical for both acupuncture types, held the sham needle in place. The therapists manipulated the needles a few seconds three times per session until the needles touched the skin, but no "needle sensation" occurred, and then lifted the needles up from the skin.
Ostatní jména:
  • placebo acupuncture
Postup: neutral communication
During the acupuncture treatment the therapists conveyed, at least three out of several neutral statements, such as: "During treatment you will just lie down and rest and I will not talk so much to you", "We don´t really know if acupuncture is a good method for relaxation effects; thus we need to perform this study",

Co je měření studie?

Primární výstupní opatření

Měření výsledku
Popis opatření
Časové okno
Change from before treatment to after treatment in subjective report of relaxation (0-100 mm Visual analogue scale)
Časové okno: approximately 5 minutes before treatment and approximately 5 minutes after treatment
Subjective perception of relaxation measured with a 0-100 mm Visual analogue scale
approximately 5 minutes before treatment and approximately 5 minutes after treatment

Sekundární výstupní opatření

Měření výsledku
Popis opatření
Časové okno
Change from before treatment to after treatment in subjective report of expectations (0-100 mm Visual analogue scale)
Časové okno: approximately 5 minutes before treatment and approximately 5 minutes after treatment
Subjective perception of expectation measured with a 0-100 mm Visual analogue scale
approximately 5 minutes before treatment and approximately 5 minutes after treatment

Spolupracovníci a vyšetřovatelé

Zde najdete lidi a organizace zapojené do této studie.

Sponzor

Karolinska Institutet

Termíny studijních záznamů

Tato data sledují průběh záznamů studie a předkládání souhrnných výsledků na ClinicalTrials.gov. Záznamy ze studií a hlášené výsledky jsou před zveřejněním na veřejné webové stránce přezkoumány Národní lékařskou knihovnou (NLM), aby se ujistily, že splňují specifické standardy kontroly kvality.

Hlavní termíny studia

Začátek studia

1. září 2013

Primární dokončení (Aktuální)

1. února 2014

Dokončení studie (Aktuální)

1. února 2014

Termíny zápisu do studia

První předloženo

11. srpna 2015

První předloženo, které splnilo kritéria kontroly kvality

14. srpna 2015

První zveřejněno (Odhad)

17. srpna 2015

Aktualizace studijních záznamů

Poslední zveřejněná aktualizace (Odhad)

18. srpna 2015

Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality

17. srpna 2015

Naposledy ověřeno

1. srpna 2015

Více informací

Termíny související s touto studií

Klíčová slova

Další identifikační čísla studie

  • ACU 2013/80-31

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