Can Rhodiola Crenulata Intake Improve Oxygen Saturation and Decrease the Incidence of Acute Mountain Sickness
NCT ID: NCT01536288
Last Updated: 2012-02-22
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
PHASE2
125 participants
INTERVENTIONAL
2010-10-31
2011-05-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
PREVENTION
TRIPLE
Study Groups
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Rhodiola crenulata-placebo sequence
Rhodiola crenulata for the first treatment period and placebo for the second treatment period, with a washout period of 4 months. Overall study population were 120 subjects, who were randomised and allocated into 2 sequences.
Rhodiola crenulata
Rhodiola crenulata:capsules, 800 mg daily for 7 days before ascent and 2 days during mountaineering
placebo
Placebo:capsules, 800 mg daily for 7 days before ascent and 2 days during mountaineering
Placebo-Rhodiola crenulata sequence
Placebo for the first treatment period and Rhodiola crenulata for the second treatment period, with a washout period of 4 months. Overall study population were 120 subjects, who were randomised and allocated into 2 sequences.
Rhodiola crenulata
Rhodiola crenulata:capsules, 800 mg daily for 7 days before ascent and 2 days during mountaineering
placebo
Placebo:capsules, 800 mg daily for 7 days before ascent and 2 days during mountaineering
Interventions
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Rhodiola crenulata
Rhodiola crenulata:capsules, 800 mg daily for 7 days before ascent and 2 days during mountaineering
placebo
Placebo:capsules, 800 mg daily for 7 days before ascent and 2 days during mountaineering
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* able to complete the study protocol of 9-day study regimens and mountain climbing twice.
* no prophylactic medication or herb one month before ascent.
* maintaining the same living conditions and habits four months before the first mountain climbing and four months between two mountaineering.
* living in the same altitude or within a difference of 200 meters.
* no additional physical training.
* no plan to gain or loss weight.
* no altitude exposure above 2500m.
Exclusion Criteria
* women in pregnancy or intending of pregnancy during the 4-month study period.
20 Years
55 Years
ALL
Yes
Sponsors
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National Science and Technology Council, Taiwan
OTHER_GOV
Chang Gung Memorial Hospital
OTHER
Responsible Party
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Principal Investigators
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Te-Fa Chiu, MD
Role: PRINCIPAL_INVESTIGATOR
Chang Gung Memorial Hospital
Locations
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Dept of Emergency medicine, Chang Gung Memorial Hospital
Kweishan, Taoyuan, Taiwan
Countries
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References
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Hackett PH, Roach RC. High-altitude illness. N Engl J Med. 2001 Jul 12;345(2):107-14. doi: 10.1056/NEJM200107123450206. No abstract available.
Imray C, Booth A, Wright A, Bradwell A. Acute altitude illnesses. BMJ. 2011 Aug 15;343:d4943. doi: 10.1136/bmj.d4943. No abstract available.
Chow T, Browne V, Heileson HL, Wallace D, Anholm J, Green SM. Ginkgo biloba and acetazolamide prophylaxis for acute mountain sickness: a randomized, placebo-controlled trial. Arch Intern Med. 2005 Feb 14;165(3):296-301. doi: 10.1001/archinte.165.3.296.
Hackett PH, Rennie D, Levine HD. The incidence, importance, and prophylaxis of acute mountain sickness. Lancet. 1976 Nov 27;2(7996):1149-55. doi: 10.1016/s0140-6736(76)91677-9.
Zell SC, Goodman PH. Acetazolamide and dexamethasone in the prevention of acute mountain sickness. West J Med. 1988 May;148(5):541-5.
Dumont L, Mardirosoff C, Tramer MR. Efficacy and harm of pharmacological prevention of acute mountain sickness: quantitative systematic review. BMJ. 2000 Jul 29;321(7256):267-72. doi: 10.1136/bmj.321.7256.267.
Basnyat B, Gertsch JH, Holck PS, Johnson EW, Luks AM, Donham BP, Fleischman RJ, Gowder DW, Hawksworth JS, Jensen BT, Kleiman RJ, Loveridge AH, Lundeen EB, Newman SL, Noboa JA, Miegs DP, O'Beirne KA, Philpot KB, Schultz MN, Valente MC, Wiebers MR, Swenson ER. Acetazolamide 125 mg BD is not significantly different from 375 mg BD in the prevention of acute mountain sickness: the prophylactic acetazolamide dosage comparison for efficacy (PACE) trial. High Alt Med Biol. 2006 Spring;7(1):17-27. doi: 10.1089/ham.2006.7.17.
Imray C, Wright A, Subudhi A, Roach R. Acute mountain sickness: pathophysiology, prevention, and treatment. Prog Cardiovasc Dis. 2010 May-Jun;52(6):467-84. doi: 10.1016/j.pcad.2010.02.003.
Leadbetter G, Keyes LE, Maakestad KM, Olson S, Tissot van Patot MC, Hackett PH. Ginkgo biloba does--and does not--prevent acute mountain sickness. Wilderness Environ Med. 2009 Spring;20(1):66-71. doi: 10.1580/08-WEME-BR-247.1.
Gertsch JH, Basnyat B, Johnson EW, Onopa J, Holck PS. Randomised, double blind, placebo controlled comparison of ginkgo biloba and acetazolamide for prevention of acute mountain sickness among Himalayan trekkers: the prevention of high altitude illness trial (PHAIT). BMJ. 2004 Apr 3;328(7443):797. doi: 10.1136/bmj.38043.501690.7C. Epub 2004 Mar 11.
Gertsch JH, Seto TB, Mor J, Onopa J. Ginkgo biloba for the prevention of severe acute mountain sickness (AMS) starting one day before rapid ascent. High Alt Med Biol. 2002 Spring;3(1):29-37. doi: 10.1089/152702902753639522.
van Patot MC, Keyes LE, Leadbetter G 3rd, Hackett PH. Ginkgo biloba for prevention of acute mountain sickness: does it work? High Alt Med Biol. 2009 Spring;10(1):33-43. doi: 10.1089/ham.2008.1085.
Zhang ZJ, Tong Y, Zou J, Chen PJ, Yu DH. Dietary supplement with a combination of Rhodiola crenulata and Ginkgo biloba enhances the endurance performance in healthy volunteers. Chin J Integr Med. 2009 Jun;15(3):177-83. doi: 10.1007/s11655-009-0177-x. Epub 2009 Jul 2.
Tu Y, Roberts L, Shetty K, Schneider SS. Rhodiola crenulata induces death and inhibits growth of breast cancer cell lines. J Med Food. 2008 Sep;11(3):413-23. doi: 10.1089/jmf.2007.0736.
Nakamura S, Li X, Matsuda H, Yoshikawa M. Bioactive constituents from Chinese natural medicines. XXVIII. Chemical structures of acyclic alcohol glycosides from the roots of Rhodiola crenulata. Chem Pharm Bull (Tokyo). 2008 Apr;56(4):536-40. doi: 10.1248/cpb.56.536.
Zheng KY, Guo AJ, Bi CW, Zhu KY, Chan GK, Fu Q, Xu SL, Zhan JY, Lau DT, Dong TT, Choi RC, Tsim KW. The extract of Rhodiolae Crenulatae Radix et Rhizoma induces the accumulation of HIF-1alpha via blocking the degradation pathway in cultured kidney fibroblasts. Planta Med. 2011 Jun;77(9):894-9. doi: 10.1055/s-0030-1250627. Epub 2010 Dec 14.
Zhao Y, Qi LW, Wang WM, Saxena PK, Liu CZ. Melatonin improves the survival of cryopreserved callus of Rhodiola crenulata. J Pineal Res. 2011 Jan;50(1):83-8. doi: 10.1111/j.1600-079X.2010.00817.x. Epub 2010 Nov 15.
Lee OH, Kwon YI, Apostolidis E, Shetty K, Kim YC. Rhodiola-induced inhibition of adipogenesis involves antioxidant enzyme response associated with pentose phosphate pathway. Phytother Res. 2011 Jan;25(1):106-15. doi: 10.1002/ptr.3236.
Li T, Zhang H. Identification and comparative determination of rhodionin in traditional tibetan medicinal plants of fourteen Rhodiola species by high-performance liquid chromatography-photodiode array detection and electrospray ionization-mass spectrometry. Chem Pharm Bull (Tokyo). 2008 Jun;56(6):807-14. doi: 10.1248/cpb.56.807.
Li T, Zhang H. Application of microscopy in authentication of traditional Tibetan medicinal plants of five Rhodiola (Crassulaceae) alpine species by comparative anatomy and micromorphology. Microsc Res Tech. 2008 Jun;71(6):448-58. doi: 10.1002/jemt.20570.
Kwon YI, Jang HD, Shetty K. Evaluation of Rhodiola crenulata and Rhodiola rosea for management of type II diabetes and hypertension. Asia Pac J Clin Nutr. 2006;15(3):425-32.
Panossian A, Wikman G, Sarris J. Rosenroot (Rhodiola rosea): traditional use, chemical composition, pharmacology and clinical efficacy. Phytomedicine. 2010 Jun;17(7):481-93. doi: 10.1016/j.phymed.2010.02.002. Epub 2010 Apr 7.
Wang S, Wang FP. [Studies on the chemical components of Rhodiola crenulata]. Yao Xue Xue Bao. 1992;27(2):117-20. Chinese.
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Wang SH, Chen YC, Kao WF, Lin YJ, Chen JC, Chiu TF, Hsu TY, Chen HC, Liu SW. Epidemiology of acute mountain sickness on Jade Mountain, Taiwan: an annual prospective observational study. High Alt Med Biol. 2010 Spring;11(1):43-9. doi: 10.1089/ham.2009.1063.
Karinen HM, Peltonen JE, Kahonen M, Tikkanen HO. Prediction of acute mountain sickness by monitoring arterial oxygen saturation during ascent. High Alt Med Biol. 2010 Winter;11(4):325-32. doi: 10.1089/ham.2009.1060.
Roach RC, Greene ER, Schoene RB, Hackett PH. Arterial oxygen saturation for prediction of acute mountain sickness. Aviat Space Environ Med. 1998 Dec;69(12):1182-5.
Jackson SJ, Varley J, Sellers C, Josephs K, Codrington L, Duke G, Njelekela MA, Drummond G, Sutherland AI, Thompson AA, Baillie JK. Incidence and predictors of acute mountain sickness among trekkers on Mount Kilimanjaro. High Alt Med Biol. 2010 Fall;11(3):217-22. doi: 10.1089/ham.2010.1003.
Chiu TF, Chen LL, Su DH, Lo HY, Chen CH, Wang SH, Chen WL. Rhodiola crenulata extract for prevention of acute mountain sickness: a randomized, double-blind, placebo-controlled, crossover trial. BMC Complement Altern Med. 2013 Oct 31;13:298. doi: 10.1186/1472-6882-13-298.
Related Links
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International society of mountain medicine
Acute mountain sickness, Kingnet, national web hospital
American college emergency physicians
wilderness medicine, medicine and the spirit of adventure
Other Identifiers
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NSC 99-3114-B-182A-002
Identifier Type: -
Identifier Source: org_study_id
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