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Research on Korean Pharmacopuncture in South Korea since 2007
Research on Korean Pharmacopuncture in South Korea since 2007
Journal of Pharmacopuncture. 2014. Oct, 17(4): 15-21
Copyright ©2014, KOREAN PHARMACOPUNCTURE INSTITUTE
This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
  • Received : August 27, 2014
  • Accepted : September 04, 2014
  • Published : October 30, 2014
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About the Authors
ChungSan Lim
Department of Acupuncture & Moxibustion Medicine, College of Korean Medicine, Sangji University, Wonju, Korea
SangKyun Park
Department of Acupuncture & Moxibustion Medicine, College of Korean Medicine, Sangji University, Wonju, Korea
SeungHo Sun
Department of Acupuncture & Moxibustion Medicine, College of Korean Medicine, Sangji University, Wonju, Korea
KwangHo Lee
Department of Acupuncture & Moxibustion Medicine, College of Korean Medicine, Sangji University, Wonju, Korea

Abstract
Objectives:
The purpose of this study was to investigate the current trends in research on pharmacopuncture in Korea since 2007.
Methods:
A literature review was performed by using the search engines ‘Science and Technology Society Village’, ‘Korean Studies Information Service System’, ‘National Discovery for Science Leaders’, and ‘Oriental Medicine Advanced Searching Integrated System’ in Korea from January 2007 to December 2013. Searched key words were ‘pharmacopuncture’, ‘herbal acupuncture’, ‘aqua-acupuncture’, and ‘bee venom’. Finally, we selected 457 papers, including Korean experimental studies and clinical studies. Selected papers were classified according to year of publication, type of pharmacopuncture, disease & topic, research type and the publishing journal.
Results:
One hundred fifty pharmacopunctures were studied in 457 papers. Single compound pharmacopuncture was the most studied pharmacopuncture in experimental studies while animal-based pharmacopuncture was the most studied pharmacopuncture in clinical studies. Bee venom placed first among the various pharmacopunctures, followed by placenta, sweet bee venom, mountain-ginseng, and anti-inflammatory pharmacopunctures. Experimental research on pharmacopuncture has fallen since 2007 when 55 papers were published. However, clinical research has been increasing steadily. In clinical studies, case reports were numerous than randomized clinical trials (RCTs). Musculoskeletal diseases were the most frequently-treated diseases in studies on pharmacopuncture; among the musculoskeletal diseases, rheumatoid arthritis was the most frequently-treated disease in experimental studies and low back pain was the most frequently-treated condition in clinical studies. Since 2007, 45 different journals have published studies on pharmacopuncture, with the Journal of the Korean Acupuncture and Moxibustion Medicine Society having the largest number of papers on pharmacopuncture and the Journal of Pharmacopuncture the second largest number.
Conclusion:
The trends in research on pharmacopuncture published in studies from 2007 to 2013 were similar to those in studies published before 2006. Many studies on pharmacopuncture focused on bee venom and musculoskeletal diseases. Additional studies on diverse types of and indications for pharmacopuncture are needed.
Keywords
1. Introduction
Pharmacopuncture is a new form of acupuncture treatment that combines acupuncture and herbal medicine. Acupuncture is based on the meridian theory, and herbal medicine is based on Qi and flavor theories; thus, pharmacopuncture uses both meridian and Qi/flavor theories. The selection of a specific herbal medicine is based on Qi/flavor theory, and the selection of the acupoint is based on meridian theory, making pharmacopuncture a unique application of traditional Korean medicine (TKM) [ 1 ]. Pharmacopuncture has been used and studied widely in Korea since the fundamental principle of pharmacopuncture, which administers a specific herbal medicine at a specific point, was introduced in 1967 by Nam [ 2 ] because pharmacopuncture can be used to treat various diseases, depending on to the characteristics of the components of the herbal medicine and the method used to manufacture the pharmacopuncture [ 2 , 3 ].
A review of pharmacopuncture papers published until 2006 [ 3 , 4 ] revealed that a variety of research on pharmacopuncture involved experimental and clinical studies. Animal-based pharmacopuncture (ABP), including bee venom pharmacopuncture (BVP), Scolopendra, and placenta pharmacopuncture (PP), meridian field pharmacopuncture (MFP), and eight-principles pharmacopuncture (EPP), accounted for a large proportion of the pharmacopuncture studies. Among them, BVP especially was an outstanding research field. Pharmacopuncture studies for musculoskeletal diseases accounted for the largest part of the research. Also, mountain ginseng pharmacopuncture (MGP), a new pharmacopuncture that has been used in Korean medical clinics as a part of various pharmacopunctures, has been developed [ 5 ]. As a natural follow-on study, we wondered how the research trend on pharmacopuncture has changed since the review in references [ 3 , 4 ]. Thus, we researched the types and the trends of experimental and clinical studies on pharmacopuncture through an analysis of papers published in journals in Korea from 2007.
2. Materials and Methods
To review current research articles, we used four databases in South Korea, ‘Science and Technology Society Village’, ‘Korean Studies Information Service System (KISS)’, ‘National Discovery for Science Leaders (NDSL)’, and ‘Oriental Medicine Advanced Searching Integrated System OASIS)’, to search for papers published from January 2007 to December 2013. Key words were ‘pharmacopuncture’, ‘herbal acupuncture’, ‘aqua-acupuncture’, and ‘bee venom’. We included experimental studies ( in vivo, in vitro , etc), clinical studies (randomized clinical trials RCTs, non- RCTs, case reports or series, brief reports, etc.) on pharmacopuncture. We excluded non-pharmacopuncture-related papers, papers without full texts, literature reviews, letters, newspaper articles, studies on pharmacopuncture using a Western medicine, and duplicate files. In the first step, the search was focused on the title and the abstract. In the second step, papers were selected or extracted by reviewing the full texts.
First, 517 papers from the 4 databases were reviewed. In the first step, 14 papers that were not related with pharmacopuncture, 10 abstracts without full texts, and 6 letters or newspaper articles were excluded. In the second step, 17 literature reviews, 4 studies on pharmacopuncture using a Western medicine, 5 duplicate files, and 4 other articles were excluded. Finally, we selected 457 papers. The 457 selected papers were classified according to year of publication, type of pharmacopuncture, disease & topic, research type and publishing journal.
3. Results
The number of papers related with pharmacopuncture per year has fallen since 76 papers were published in 2007. On experimental studies, there were 55 papers in 2007, 38 in 2008, 41 in 2009, 43 in 2010, 30 in 2011, 28 in 2012 and 27 in 2013. However, in clinical studies, there were 21 papers in 2007, 27 in 2008, 33 in 2009, 27 in 2010, 36 in 2011, 19 in 2012 and 32 in 2013. Thus, papers on clinical studies, in general, have been increasing steadily, as opposed to papers on experimental studies (Fig 1 ).
One hundred fifty pharmacopunctures were studied in 457 papers. We distinguished nine kinds of pharmacopuncture: MFP, EPP, ABP, blood and Qi nursing pharmacopuncture (BQNP), single compound pharmacopuncture (SCP), herbal medicine formula pharmacopuncture (HMFP), mixture pharmacopuncture (MP), thread embedding acupuncture (TEA), and unidentified pharmacopuncture. MP is simply a mixture of some herbs, and HMFP is a pharmacopuncture made by using a herb prescription. SCP (49.5%) and ABP (25.6%) were the most studied pharmacopunctures in experimental studies, and ABP (48.7%) and EPP (16.9%) was the most studied pharmacopuncture in clinical studies (Fig 2 ) BVP (24.4%) placed first among each pharmacopuncture, followed by PP (4.9%), sweet bee venom (SBV, 4.7%), MGP (4.7%), anti-inflammatory pharmacopuncture (AIP, 4.5%), Cornu cervi parvum pharmacopuncture (CC, 3.3%), hwangyeonhaedoktang pharmacopuncture (HRH, 3.3%), and neutral-natured blood stasis pharmacopuncture (NBP, 2.9%) (Table 1 )
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Number of papers related with pharmacopuncture in Korea from 2007 to 2013.
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Categories of pharmacopuncture in experimental and clinical studies.
Top on the list of diseases involving pharmacopuncture were musculoskeletal diseases (30.0%). Among musculoskeletal diseases, rheumatoid arthritis was the most common disease in experimental studies, as was low back pain in clinical studies. In additional to musculoskeletal diseases, other diseases and topics involving pharmacopuncture included nervous system diseases (15.8%), anti-cancer effects (6.1%), obesity (4.6%), toxicity or safety tests (4.4%), digestive diseases (4.4%), urinary diseases (4.2%), circulatory diseases (4.2%), etc. (Table 2 ).
Among 195 clinical studies, there were 57 case series, 51 RCTs, 47 case reports, 23 non-RCTs, and 17 other types of 17 papers (Table 3 ). Based on our search of the Korean databases, since 2007, 45 kinds of journals have published studies on pharmacopuncture. The Journal of Korean Acupuncture & Moxibustion Medicine Society (JKAMMS, 31.9%) had the largest proportion of papers on pharmacopuncture. The other journals with studies on pharmacopuncture were the Journal of Pharmacopuncture (J Pharmacopunct, 22.3%), the Korean Journal of Acupuncture (J Acupuncture, 12.5%), the Journal of Oriental Rehabilitation Medicine (J Oriental Rehab Med, 6.3%), etc. (Table 4 ).
4. Discussion
Because of a decrease in the number of experimental studies, the total number of studies on pharmacopuncture has been decreasing even though the number of clinical studies has remained almost the same or has increased slightly. In 2013, the number of clinical studies was more than that the number of experimental studies. This was thought to be due to the facts that recent studies tended to be clinical rather than experimental and that number of clinical studies was tending to remain constant or to increase slightly. Fifty-three percent of clinical studies were case reports and case series due to the increased use of pharmacopuncture in clinics. RCTs took second place, accounting for 26.6% of clinical studies. RCTs had been increasing from 2007, but started to decrease after 2012, probably because policies and laws on clinical studies had become stricter in Korea, thus having an adverse effect on clinical studies involving pharmacopuncture. Furthermore, a large number of the RCTs showed the effect of not only the pharmacopuncture but other treatments as well, so determining whether the effect was due to the pharmacopuncture alone, the other treatment alone or the combination of the two was difficult. Further single RCT studies on pharmacopuncture are needed.
Papers were published in JKAMMS (31.9%), J Pharmacopunct (22.3%), J Acupuncture (12.5%), and J Oriental Rehab Med (6.3%). These are journals in which acupuncture and pharmacopuncture are important fields of research and journals whose major topics are pain, paralysis, and musculoskeletal diseases.
Types of pharmacopuncture used in experimental studies were SCP (49.5%) and ABP (25.6%), and those used in clinical studies were ABP (48.7%) and EPP (16.9%). These results were similar to those of studies performed before 2007 [ 3 , 4 ]. SCP accounted for such a large percentage because of it use in various experimental studies. Among ABP, BVP, including SBV, was used 29.1% of all experimental studies. The frequency of using Bee venom has been high since before 2007, and bee venom is still being intensively studied. In the papers reviewed, BVP was used to treat pain, paralysis, and musculoskeletal diseases, which are commonly treated in Korean medical clinics. Diseases that were treated by using pharmacopuncture were musculoskeletal diseases (30%) and nervous system diseases (15.8%). Among the diverse types of pharmacopuncture, BVP and SBV were the most common types found in the reviewed papers.
Among EPP, which was studied second most in clinical study, AIP, HRH, and NBP were studied most while placenta among ABP and CC among MFP were mainly studied in experimental research. Compared to experiments before 2006, new types of pharmacopunctures were being studied in experimental and clinical research: for example, Moxi-Tar pharmacopuncture in experimental research and MGP, TEA, Shinbaro pharmacopuncture, and Astragali Radix pharmacopuncture in clinical research. MGP, an intravenously-injected pharmacopuncture that had been invented recently, seemed to be used in anti-cancer, immunity, and fatigue-recovery studies [ 5 ].
Types of pharmacopuncture in experimental and clinical studies
PharmacopunctureExperimental%Clinical%Total%
Bee venom5821.26628.012424.4
Placenta82.9177.2254.9
Sweet bee vemon00.02410.2244.7
Mountain-ginseng31.1218.9244.7
Anti-inflammatory72.6166.8234.5
Cornu Cervi Parvum124.452.1173.3
Hwangyeonhaedoktang41.5135.5173.3
Neutral-natured blood stasis62.293.8152.9
Fel Ursi, Bovis Calculus & Moschus72.673.0142.8
Scolopendra41.573.0112.2
Carthami Semen20.793.8112.2
Fel Ursi-Bovis Calculus51.820.871.4
Juglandis Semen31.131.361.2
Moxi-Tar51.800.051.0
Thread embedding00.052.151.0
Rehmanniae Radix31.120.851.0
Shinbaro00.052.151.0
Ulmus Davidiana Planchon41.510.451.0
Astragali Radix20.731.351.0
Glycyrrhiza Uralensis31.100.030.6
Angelica Gigantis31.100.030.6
Ganoderma lucidum31.100.030.6
Aconiti ciliare tuber31.100.030.6
Cinnamomi Ramulus20.700.020.4
Persicae Semen10.410.420.4
Ephedrae Herba20.700.020.4
Mahuang-Chuanwu10.410.420.4
Bacillus-Fermented Scutellariae Radix20.700.020.4
Sayeoksanhap-Peongweisan-Gamibang20.700.020.4
Crataegi Fructus20.700.020.4
Zizyphi Spinosi Semen--20.820.4
Pinus Densiflora Gnarl20.700.020.4
Artemisiae argyi20.700.020.4
Yongdamsagan-tang20.700.020.4
Bovis Calculus20.700.020.4
Clematidis Radix20.700.020.4
Cinnamomum Cassia20.700.020.4
Artemisiae Capillaris Herba20.700.020.4
Rhizoma Atractylodis20.700.020.4
Cnidii Rhizoma20.700.020.4
Gastrodiae Elata20.700.020.4
Harpagophytum Radix00.020.820.4
Paljeong-San20.700.020.4
Carthami-Flos20.700.020.4
Carthami Semen & Cornu Cervi Parvum (HN)00.020.820.4
Total262100.0195100.0509100.0
Diseases and topics on pharmacopuncture in experimental and clinical studies
DiseasesExperimental%Clinical%Total%
Musculoskeletal diseases5521.08041.013530.0
Rheumatoid arthritis3413.0----
Osteoporosis124.6----
Osteoarthritis62.3----
Low back pain--2311.8--
Nuchal pain--157.7--
Shoulder pain--147.2--
Knee pain--115.6--
Others31.2178.7--
Nervous system diseases2810.74623.67415.8
Anti-cancer effect166.1126.2286.1
Obestiy197.321.0214.6
Digestive disease176.531.5204.4
Toxicity test197.310.5204.4
Urinary disease145.352.6194.2
Circulatory disease186.910.5194.2
Skin disease93.494.6183.9
Anti-inflammatory effect166.100.0163.5
Autonomic nerve function00.0157.7153.3
Antioxidant124.600.0122.6
Anti-allergic effect103.800.0102.2
Others2911.12110.85010.9
Total262100.0195100.0457100.0
Research types on clinical studies
Research typesNo.%
Case series5729.2
Randomized clinical trials (RCT)5126.2
Case report4724.1
Non-RCT2311.8
Case control study73.6
One group pretest-posttest design73.6
Cross-over trial10.5
Prospective10.5
Single patient trial ABABA type10.5
Total195100.0
Of diseases treated by using pharmacopuncture, musculoskeletal diseases were the most (30%) followed by nervous system diseases (15.8%). Pharmacopuncture was also used in studies on anti-cancer effects, obesity, digestive diseases, toxicity tests, urinary diseases, circulatory diseases, skin diseases, anti-inflammatory effects, autonomic functions, and antioxidant and anti-allergic effect, but these studies was very few; thus, further studies are needed in various areas. Also, no studies addressed the mechanism of the pharmacopuncture or its absorption, distribution, metabolism, and excretion of pharmacopuncture. Such studies must be undertaken to ensure the effectiveness and the safety of using pharmacopuncture for the treatment of various diseases and conditions. Because the indications are that pharmacopuncture can be used to treat various conditions, including pain, paralysis and musculoskeletal diseases, additional studies on the use of pharmacopuncture to treat such conditions are needed.
Our review has a major limitation in that it did not to identify the entire trend for pharmacopuncture research accurately because recently the number of papers on pharmacopuncture (especially experimental studies) submitted to or published in well-known non-Korean journals has been increasing, but the papers in our review were restricted to those published in South Korea and involving research done in South Korea because the purpose of our review was to investigate current research trends for pharmacopuncture in South Korea. For the follow-on studies, reviews using global search engines should be consider so that more exact trends can be identified.
Journals publish in pharmacopuncture studies in Korea from 2007 to 2013
JournalsExperimental%Clinical%Total%
The Journal of Korean Acupuncture & MoxibustionMedicine Society8532.46131.314631.9
Journal of Pharmacopuncture4717.95528.210222.3
Korean Journal of Acupuncture5420.631.55712.5
Journal of Oriental Rehabilitation Medicine197.3105.1296.3
Journal of Acupuncture and MeridianStudies20.894.6112.4
The Journal of Daejeon Oriental Medicine10.494.6102.2
Korean Journal of Oriental Physiology &Pathology72.731.5102.2
The Journal of Korean Oriental InternalMedicine51.921.071.5
Journal of Korea Immuno-Yakchim Society41.531.571.5
The Journal of Korea CHUNA Manual Medicinefor spine & nerves00.073.671.5
Korean Journal of Apiculture62.300.061.3
Journal of Veterinary Clinics31.131.561.3
The Korean Journal of Sports Medicine00.052.651.1
Korean Journal of Pharmacognosy51.900.051.1
Journal of Oriental Neuropsychiatry31.110.540.9
Korean Journal of Veterinary Service41.500.040.9
Journal of Life Science31.100.030.7
The Journal of Korean Oriental MedicalOphthalmology and Otolaryngology andDermatology10.421.030.7
The Association of the Spine&Joint KoreanMedicine00.031.530.7
The Journal of Korean Oriental Medicine10.421.030.7
The Korea Journal of Herbology20.800.020.4
The Journal of Oriental Obstetrics andGynecology00.021.020.4
Yakhak hoeji20.800.020.4
The Journal of East-West Medicine00.021.020.4
Others83.1136.7214.6
Total262100.0195100.0457100.0
5. Conclusion
The trends in research on pharmacopuncture published in studies from 2007 to 2013 were similar to those published in studies before 2006. Many studies on pharmacopuncture focused on BVP, pain, paralysis, and musculoskeletal disease in spite of the diverse types of and indications for the use of pharmacopuncture. Additional studies (especially RCTs, studies on mechanisms, etc.) are needed for diverse types of and indications for pharmacopuncture.
Acknowledgements
This research was supported by the Sangji University Research Fund, 2013.
Conflicts of interest. The authors declare that there are no conflict of interest.
References
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Lee JY , Han YJ , Kim JH , Kim YJ , Kwon KR 2006 [Type analysis of pharmacopuncture papers published in the journal of korean institute of pharmacopuncture] J Pharmacopunct Korean 9 (3) 147 - 154
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Korean Pharmacopuncture Institute 2012 [Pharmacopuncturology] Elsevier Korea Seoul Korean 191 - 197