Electroacupuncture Versus Gabapentin for Hot Flashes Among Breast Cancer Survivors: A Randomized Placebo-Controlled Trial
Identifieur interne : 001E44 ( Main/Exploration ); précédent : 001E43; suivant : 001E45Electroacupuncture Versus Gabapentin for Hot Flashes Among Breast Cancer Survivors: A Randomized Placebo-Controlled Trial
Auteurs : Jun J. Mao ; Marjorie A. Bowman ; Sharon X. Xie ; Deborah Bruner ; Angela Demichele ; John T. FarrarSource :
- Journal of Clinical Oncology [ 0732-183X ] ; 2015.
Abstract
Hot flashes are a common and debilitating symptom among survivors of breast cancer. This study aimed at evaluating the effects of electroacupuncture (EA) versus gabapentin (GP) for hot flashes among survivors of breast cancer, with a specific focus on the placebo and nocebo effects.
We conducted a randomized controlled trial involving 120 survivors of breast cancer experiencing bothersome hot flashes twice per day or greater. Participants were randomly assigned to receive 8 weeks of EA or GP once per day with validated placebo controls (sham acupuncture [SA] or placebo pills [PPs]). The primary end point was change in the hot flash composite score (HFCS) between SA and PP at week 8, with secondary end points including group comparisons and additional evaluation at week 24 for durability of treatment effects.
By week 8, SA produced significantly greater reduction in HFCS than did PP (−2.39; 95% CI, −4.60 to −0.17). Among all treatment groups, the mean reduction in HFCS was greatest in the EA group, followed by SA, GP, and PP (−7.4
Acupuncture produced larger placebo and smaller nocebo effects than did pills for the treatment of hot flashes. EA may be more effective than GP, with fewer adverse effects for managing hot flashes among breast cancer survivors; however, these preliminary findings need to be confirmed in larger randomized controlled trials with long-term follow-up.
Url:
DOI: 10.1200/JCO.2015.60.9412
PubMed: 26304905
PubMed Central: 4622101
Affiliations:
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<front><div type="abstract" xml:lang="en"><sec><title>Purpose</title>
<p>Hot flashes are a common and debilitating symptom among survivors of breast cancer. This study aimed at evaluating the effects of electroacupuncture (EA) versus gabapentin (GP) for hot flashes among survivors of breast cancer, with a specific focus on the placebo and nocebo effects.</p>
</sec>
<sec><title>Patients and Methods</title>
<p>We conducted a randomized controlled trial involving 120 survivors of breast cancer experiencing bothersome hot flashes twice per day or greater. Participants were randomly assigned to receive 8 weeks of EA or GP once per day with validated placebo controls (sham acupuncture [SA] or placebo pills [PPs]). The primary end point was change in the hot flash composite score (HFCS) between SA and PP at week 8, with secondary end points including group comparisons and additional evaluation at week 24 for durability of treatment effects.</p>
</sec>
<sec><title>Results</title>
<p>By week 8, SA produced significantly greater reduction in HFCS than did PP (−2.39; 95% CI, −4.60 to −0.17). Among all treatment groups, the mean reduction in HFCS was greatest in the EA group, followed by SA, GP, and PP (−7.4 <italic>v</italic>
−5.9 <italic>v</italic>
−5.2 <italic>v</italic>
−3.4; <italic>P</italic>
= < .001). The pill groups had more treatment-related adverse events than did the acupuncture groups: GP (39.3%), PP (20.0%), EA (16.7%), and SA (3.1%), with <italic>P</italic>
= .005. By week 24, HFCS reduction was greatest in the EA group, followed by SA, PP, and GP (−8.5 <italic>v</italic>
−6.1 <italic>v</italic>
−4.6 <italic>v</italic>
−2.8; <italic>P</italic>
= .002).</p>
</sec>
<sec><title>Conclusion</title>
<p>Acupuncture produced larger placebo and smaller nocebo effects than did pills for the treatment of hot flashes. EA may be more effective than GP, with fewer adverse effects for managing hot flashes among breast cancer survivors; however, these preliminary findings need to be confirmed in larger randomized controlled trials with long-term follow-up.</p>
</sec>
</div>
</front>
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<tree><noCountry><name sortKey="Bowman, Marjorie A" sort="Bowman, Marjorie A" uniqKey="Bowman M" first="Marjorie A." last="Bowman">Marjorie A. Bowman</name>
<name sortKey="Bruner, Deborah" sort="Bruner, Deborah" uniqKey="Bruner D" first="Deborah" last="Bruner">Deborah Bruner</name>
<name sortKey="Demichele, Angela" sort="Demichele, Angela" uniqKey="Demichele A" first="Angela" last="Demichele">Angela Demichele</name>
<name sortKey="Farrar, John T" sort="Farrar, John T" uniqKey="Farrar J" first="John T." last="Farrar">John T. Farrar</name>
<name sortKey="Mao, Jun J" sort="Mao, Jun J" uniqKey="Mao J" first="Jun J." last="Mao">Jun J. Mao</name>
<name sortKey="Xie, Sharon X" sort="Xie, Sharon X" uniqKey="Xie S" first="Sharon X." last="Xie">Sharon X. Xie</name>
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