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BACKGROUND: Effective pain management among hospitalized patients is an important aspect of providing quality care and achieving optimal clinical outcomes and patient satisfaction. Common pharmacologic approaches for pain, though effective, have serious side effects and are not appropriate for all inpatients. Findings from randomized controlled trials（RCTs） support the efficacy of acupuncture for many symptoms relevant to inpatients including postoperative pain, cancer-related pain, nausea and vomiting, and withdrawal from narcotic use. However, the extent to which findings from RCTs translate to real-world implementation of acupuncture in typical hospital settings is unknown. METHODS/DESIGN: In partnership with the launch of a clinical program offering acupuncture services to inpatients at the University of California San Francisco’s Mount Zion Hospital, we are conducting a pilot study using a hybrid effectiveness-implementation design to:（1） assess the effectiveness of acupuncture to manage pain and other symptoms and improve patient satisfaction; and（2） evaluate the barriers and facilitators to implementing an on-going acupuncture service for inpatients. During a twomonth pre-randomization phase, we evaluated and adapted clinical scheduling and treatment protocols with acupuncturists and hospital providers and pretested study procedures including enrollment, consent, and data collection. During a six-month randomization phase, we used a two-tiered consent process in which inpatients were first consented into a study of symptom management, randomized to be offered acupuncture, and consented for acupuncture if they accepted. We are also conducting in-depth interviews and focus groups to assess evidence, context, and facilitators of key provider and hospital administration stakeholders.DISCUSSION: Effectiveness research in "real-world" practice settings is needed to inform clinical decision-making and guide implementation of evidence-based acupuncture practices. To successfully provide clinical acupuncture services and maintain a rigorous research design, practice-based trials of acupuncture require careful planning and attention to setting-specific, contextual factors.TRIAL REGISTRATION: This trial has been registered in Clinical Trials.gov. The identifier is NCT01988194, registered on November 5, 2013.