1 2592 111 YOGA FOR MENOPAUSAL SYMPTOMS: A SYSTEMATIC REVIEW. OBJECTIVE: THE AIM OF THIS STUDY WAS TO ASSESS THE EFFECTIVENESS OF YOGA AS A TREATMENT OPTION FOR MENOPAUSAL SYMPTOMS. METHODS: WE SEARCHED THE LITERATURE USING 14 DATABASES FROM THEIR INCEPTION TO JULY 2008 AND INCLUDED ALL TYPES OF CLINICAL STUDIES REGARDLESS OF THEIR DESIGN. THE METHODOLOGICAL QUALITY OF ALL STUDIES WAS ASSESSED USING A MODIFIED JADAD SCORE. RESULTS: SEVEN STUDIES MET OUR INCLUSION CRITERIA. TWO RANDOMIZED CLINICAL TRIALS COMPARED THE EFFECTS OF YOGA WITH THOSE OF WALKING OR PHYSICAL EXERCISE. THE META-ANALYSIS OF THESE DATA FAILED TO SHOW SPECIFIC EFFECTS OF YOGA ON MENOPAUSAL COMPLAINTS INCLUDING PSYCHOLOGICAL, SOMATIC, AND VASOMOTOR SYMPTOMS. TWO RANDOMIZED CLINICAL TRIALS FOUND NO EFFECTS OF YOGA ON TOTAL MENOPAUSAL SYMPTOMS COMPARED WITH WAIT-LIST CONTROL OR NO TREATMENT. THE REMAINING STUDIES WERE EITHER NON-RANDOMIZED (N = 1) OR UNCONTROLLED CLINICAL TRIALS (N = 3). THEY REPORTED FAVORABLE EFFECTS OF YOGA ON MENOPAUSAL SYMPTOMS. THESE DATA COLLECTIVELY SHOW THAT THE RESULTS OF RIGOROUS STUDIES OF THE EFFECTS OF YOGA FOR MENOPAUSAL SYMPTOMS ARE UNCONVINCING. CONCLUSION: THE EVIDENCE IS INSUFFICIENT TO SUGGEST THAT YOGA IS AN EFFECTIVE INTERVENTION FOR MENOPAUSE. FURTHER RESEARCH IS REQUIRED TO INVESTIGATE WHETHER THERE ARE SPECIFIC BENEFITS OF YOGA FOR TREATING MENOPAUSAL SYMPTOMS. 2009 2 1079 33 EFFECTS OF YOGA ON PSYCHOLOGICAL HEALTH, QUALITY OF LIFE, AND PHYSICAL HEALTH OF PATIENTS WITH CANCER: A META-ANALYSIS. YOGA IS ONE OF THE MOST WIDELY USED COMPLEMENTARY AND ALTERNATIVE MEDICINE THERAPIES TO MANAGE ILLNESS. THIS META-ANALYSIS AIMED TO DETERMINE THE EFFECTS OF YOGA ON PSYCHOLOGICAL HEALTH, QUALITY OF LIFE, AND PHYSICAL HEALTH OF PATIENTS WITH CANCER. STUDIES WERE IDENTIFIED THROUGH A SYSTEMATIC SEARCH OF SEVEN ELECTRONIC DATABASES AND WERE SELECTED IF THEY USED A RANDOMIZED CONTROLLED TRIAL DESIGN TO EXAMINE THE EFFECTS OF YOGA IN PATIENTS WITH CANCER. THE QUALITY OF EACH ARTICLE WAS RATED BY TWO OF THE AUTHORS USING THE PEDRO SCALE. TEN ARTICLES WERE SELECTED; THEIR PEDRO SCORES RANGED FROM 4 TO 7. THE YOGA GROUPS COMPARED TO WAITLIST CONTROL GROUPS OR SUPPORTIVE THERAPY GROUPS SHOWED SIGNIFICANTLY GREATER IMPROVEMENTS IN PSYCHOLOGICAL HEALTH: ANXIETY (P = .009), DEPRESSION (P = .002), DISTRESS (P = .003), AND STRESS (P = .006). HOWEVER, DUE TO THE MIXED AND LOW TO FAIR QUALITY AND SMALL NUMBER OF STUDIES CONDUCTED, THE FINDINGS ARE PRELIMINARY AND LIMITED AND SHOULD BE CONFIRMED THROUGH HIGHER-QUALITY, RANDOMIZED CONTROLLED TRIALS. 2011 3 559 47 COULD YOGA PRACTICE IMPROVE TREATMENT-RELATED SIDE EFFECTS AND QUALITY OF LIFE FOR WOMEN WITH BREAST CANCER? A SYSTEMATIC REVIEW AND META-ANALYSIS. AIM: TO DETERMINE IF YOGA AS A COMPLEMENTARY AND ALTERNATIVE THERAPY WAS ASSOCIATED WITH ENHANCED HEALTH AND TREATMENT-RELATED SIDE EFFECTS IN PATIENTS WITH BREAST CANCER. THIS SYSTEMATIC REVIEW EXAMINES WHETHER YOGA PRACTICE PROVIDES ANY MEASURABLE BENEFIT, BOTH PHYSICALLY AND PSYCHOLOGICALLY, FOR WOMEN WITH BREAST CANCER. METHODS: PUBMED, EMBASE AND THE COCHRANE LIBRARY FOR RANDOMIZED CONTROLLED TRIALS (RCTS) THROUGHOUT JUNE 2013. WE EVALUATED THE QUALITY OF THE INCLUDED STUDIES BY THE COCHRANE HANDBOOK 5.2 STANDARDS AND ANALYZED THE DATA USING THE STATA SOFTWARE, VERSION 10.0. META-REGRESSION AND SUBGROUP ANALYSIS WERE ALSO PERFORMED TO IDENTIFY ADDITIONAL PREDICTORS OF OUTCOME AND TO ASSESS HETEROGENEITY. RESULTS: SIXTEEN RCTS WITH A TOTAL OF 930 PARTICIPANTS WERE INCLUDED. COMPARING YOGA GROUPS TO CONTROL GROUPS, THERE WAS A STATISTICALLY SIGNIFICANT DIFFERENCE IN OVERALL HEALTH-RELATED QUALITY OF LIFE, DEPRESSION, ANXIETY AND GASTROINTESTINAL SYMPTOMS. META-REGRESSION ANALYSES REVEALED THAT THE DURATION OF YOGA PRACTICE AND TYPE OF CONTROL GROUP PARTLY EXPLAINED THE HETEROGENEITY. SUBGROUP ANALYSES REVEALED THAT YOGA HAD A POSITIVE EFFECT ON ANXIETY ONLY WHEN IT HAD BEEN PRACTICED FOR LONGER THAN 3 MONTHS. ONLY THE WAIT-LIST CONTROL GROUP SHOWED AN EFFECT OF YOGA ON PHYSICAL WELL-BEING. CONCLUSION: THE CURRENT EVIDENCE DEMONSTRATES THAT YOGA PRACTICE COULD BE EFFECTIVE IN ENHANCING HEALTH AND MANAGING SOME TREATMENT-RELATED SIDE EFFECTS FOR PATIENTS RECOVERING FROM BREAST CANCER. IN FUTURE CLINICAL STUDIES, CLINICIANS SHOULD CONSIDER THE PATIENT'S WISHES ALONG WITH THE CURRENT BEST EVIDENCE OF THE EFFECTS OF YOGA PRACTICE IN THEIR CLINICAL DECISION-MAKING. 2017 4 1519 52 IS YOGA EFFECTIVE FOR PAIN? A SYSTEMATIC REVIEW OF RANDOMIZED CLINICAL TRIALS. OBJECTIVE: THE OBJECTIVE OF THIS SYSTEMATIC REVIEW WAS TO ASSESS THE EFFECTIVENESS OF YOGA AS A TREATMENT OPTION FOR ANY TYPE OF PAIN. METHOD: SEVEN DATABASES WERE SEARCHED FROM THEIR INCEPTION TO FEBRUARY 2011. RANDOMIZED CLINICAL TRIALS WERE CONSIDERED IF THEY INVESTIGATED YOGA IN PATIENTS WITH ANY TYPE OF PAIN AND IF THEY ASSESSED PAIN AS A PRIMARY OUTCOME MEASURE. THE 5-POINT JADAD SCALE WAS USED TO ASSESS METHODOLOGICAL QUALITY OF STUDIES. THE SELECTION OF STUDIES, DATA EXTRACTION AND QUALITY ASSESSMENT WERE PERFORMED INDEPENDENTLY BY TWO REVIEWERS. RESULTS: TEN RANDOMIZED CLINICAL TRIALS (RCTS) MET THE INCLUSION CRITERIA. THEIR METHODOLOGICAL QUALITY RANGED BETWEEN 1 AND 4 ON THE JADAD SCALE. NINE RCTS SUGGESTED THAT YOGA LEADS TO A SIGNIFICANTLY GREATER REDUCTION IN PAIN THAN VARIOUS CONTROL INTERVENTIONS SUCH AS STANDARD CARE, SELF CARE, THERAPEUTIC EXERCISES, RELAXING YOGA, TOUCH AND MANIPULATION, OR NO INTERVENTION. ONE RCT FAILED TO PROVIDE BETWEEN GROUP DIFFERENCES IN PAIN SCORES. CONCLUSIONS: IT IS CONCLUDED THAT YOGA HAS THE POTENTIAL FOR ALLEVIATING PAIN. HOWEVER, DEFINITIVE JUDGMENTS ARE NOT POSSIBLE. 2011 5 1740 50 PHYSICAL AND PSYCHOSOCIAL BENEFITS OF YOGA IN CANCER PATIENTS AND SURVIVORS, A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS. BACKGROUND: THIS STUDY AIMED TO SYSTEMATICALLY REVIEW THE EVIDENCE FROM RANDOMIZED CONTROLLED TRIALS (RCTS) AND TO CONDUCT A META-ANALYSIS OF THE EFFECTS OF YOGA ON PHYSICAL AND PSYCHOSOCIAL OUTCOMES IN CANCER PATIENTS AND SURVIVORS. METHODS: A SYSTEMATIC LITERATURE SEARCH IN TEN DATABASES WAS CONDUCTED IN NOVEMBER 2011. STUDIES WERE INCLUDED IF THEY HAD AN RCT DESIGN, FOCUSED ON CANCER PATIENTS OR SURVIVORS, INCLUDED PHYSICAL POSTURES IN THE YOGA PROGRAM, COMPARED YOGA WITH A NON-EXERCISE OR WAITLIST CONTROL GROUP, AND EVALUATED PHYSICAL AND/OR PSYCHOSOCIAL OUTCOMES. TWO RESEARCHERS INDEPENDENTLY RATED THE QUALITY OF THE INCLUDED RCTS, AND HIGH QUALITY WAS DEFINED AS >50% OF THE TOTAL POSSIBLE SCORE. EFFECT SIZES (COHEN'S D) WERE CALCULATED FOR OUTCOMES STUDIED IN MORE THAN THREE STUDIES AMONG PATIENTS WITH BREAST CANCER USING MEANS AND STANDARD DEVIATIONS OF POST-TEST SCORES OF THE INTERVENTION AND CONTROL GROUPS. RESULTS: SIXTEEN PUBLICATIONS OF 13 RCTS MET THE INCLUSION CRITERIA, OF WHICH ONE INCLUDED PATIENTS WITH LYMPHOMAS AND THE OTHERS FOCUSED ON PATIENTS WITH BREAST CANCER. THE MEDIAN QUALITY SCORE WAS 67% (RANGE: 22-89%). THE INCLUDED STUDIES EVALUATED 23 PHYSICAL AND 20 PSYCHOSOCIAL OUTCOMES. OF THE OUTCOMES STUDIED IN MORE THAN THREE STUDIES AMONG PATIENTS WITH BREAST CANCER, WE FOUND LARGE REDUCTIONS IN DISTRESS, ANXIETY, AND DEPRESSION (D = -0.69 TO -0.75), MODERATE REDUCTIONS IN FATIGUE (D = -0.51), MODERATE INCREASES IN GENERAL QUALITY OF LIFE, EMOTIONAL FUNCTION AND SOCIAL FUNCTION (D = 0.33 TO 0.49), AND A SMALL INCREASE IN FUNCTIONAL WELL-BEING (D = 0.31). EFFECTS ON PHYSICAL FUNCTION AND SLEEP WERE SMALL AND NOT SIGNIFICANT. CONCLUSION: YOGA APPEARED TO BE A FEASIBLE INTERVENTION AND BENEFICIAL EFFECTS ON SEVERAL PHYSICAL AND PSYCHOSOCIAL SYMPTOMS WERE REPORTED. IN PATIENTS WITH BREAST CANCER, EFFECT SIZE ON FUNCTIONAL WELL-BEING WAS SMALL, AND THEY WERE MODERATE TO LARGE FOR PSYCHOSOCIAL OUTCOMES. 2012 6 1124 36 EFFICACY OF PRENATAL YOGA IN THE TREATMENT OF DEPRESSION AND ANXIETY DURING PREGNANCY: A SYSTEMATIC REVIEW AND META-ANALYSIS. WOMEN COMMONLY SUFFER FROM DEPRESSION DURING PREGNANCY. FOR REDUCING DEPRESSION, YOGA SEEMS TO BE MORE SUITABLE FOR PREGNANT WOMEN THAN OTHER PHYSICAL ACTIVITIES BECAUSE OF ITS LOW EXERCISE INTENSITY. THE OBJECTIVE OF THIS STUDY WAS TO ASSESS THE EFFICACY OF PRENATAL YOGA ON THE TREATMENT OF DEPRESSION DURING PREGNANCY. THREE ELECTRONIC DATABASES WERE SEARCHED FOR RELEVANT ARTICLES FROM THEIR INCEPTION TO MAY 2021, INCLUDING PUBMED, COCHRANE LIBRARY, AND SCIENCEDIRECT. PRE- AND POST-TEST OUTCOMES WERE ADOPTED TO ESTIMATE STANDARDIZED MEAN DIFFERENCE WITH A 95% CONFIDENCE INTERVAL FOR ASSESSING THE EFFICACY OF YOGA. HETEROGENEITY AMONG ARTICLES WAS DETECTED USING I(2) VALUE. A TOTAL OF 13 ARTICLES THAT CONTAINED 379 SUBJECTS WERE INCLUDED FOR META-ANALYSIS. NO SIGNIFICANT IMPROVEMENT IN DEPRESSION SCORES AFTER PRACTICING YOGA WAS OBSERVED FOR WOMEN WITHOUT DEPRESSION (P = 0.09) BUT SIGNIFICANT IMPROVEMENT WAS OBSERVED FOR WOMEN WITH DEPRESSION (P = 0.001). ALTHOUGH SIGNIFICANT IMPROVEMENT IN ANXIETY SCORES AFTER YOGA WAS OBSERVED FOR WOMEN WITHOUT DEPRESSION (P = 0.02), THE RESULTS OF THE SENSITIVITY ANALYSIS WERE NOT CONSISTENT, WHILE SIGNIFICANT IMPROVEMENT IN ANXIETY SCORES AFTER YOGA WAS ALSO OBSERVED FOR WOMEN WITH DEPRESSION (P < 0.00001). THE CURRENT EVIDENCE HAS SUGGESTED THAT YOGA HAD SIGNIFICANT IMPROVEMENT IN DEPRESSION AND ANXIETY SCORES IN PREGNANT WOMEN WITH DEPRESSION. HOWEVER, THE LEVEL OF EVIDENCE OF THIS STUDY WAS NOT HIGH. MORE ARTICLES WITH HIGH LEVELS OF EVIDENCE SHOULD BE CONDUCTED TO CONFIRM OUR CONCLUSION IN THE FUTURE. 2022 7 2742 50 YOGA PRACTICE FOR THE MANAGEMENT OF TYPE II DIABETES MELLITUS IN ADULTS: A SYSTEMATIC REVIEW. THE EFFECT OF PRACTICING YOGA FOR THE MANAGEMENT OF TYPE II DIABETES WAS ASSESSED IN THIS SYSTEMATIC REVIEW THROUGH SEARCHING RELATED ELECTRONIC DATABASES AND THE GREY LITERATURE TO THE END OF MAY 2007 USING OVID. ALL RANDOMIZED CONTROLLED CLINICAL TRIALS (RCTS) COMPARING YOGA PRACTICE WITH OTHER TYPE OF INTERVENTION OR WITH REGULAR PRACTICE OR BOTH, WERE INCLUDED REGARDLESS OF LANGUAGE OR TYPE OF PUBLICATION. EACH STUDY WAS ASSESSED FOR QUALITY BY TWO INDEPENDENT REVIEWERS. MEAN DIFFERENCE WAS USED FOR SUMMARIZING THE EFFECT OF EACH STUDY OUTCOMES WITH 95% CONFIDENCE INTERVALS. POOLING OF THE STUDIES DID NOT TAKE PLACE DUE TO THE WIDE CLINICAL VARIATION BETWEEN THE STUDIES. PUBLICATION BIAS WAS ASSESSED BY STATISTICAL METHODS. FIVE TRIALS WITH 363 PARTICIPANTS MET THE INCLUSION CRITERIA WITH MEDIUM TO HIGH RISK OF BIAS AND DIFFERENT INTERVENTION CHARACTERISTICS. THE STUDIES' RESULTS SHOW IMPROVEMENT IN OUTCOMES AMONG PATIENTS WITH DIABETES TYPE II. THESE IMPROVEMENTS WERE MAINLY AMONG SHORT TERM OR IMMEDIATE DIABETES OUTCOMES AND NOT ALL WERE STATISTICALLY SIGNIFICANT. THE RESULTS WERE INCONCLUSIVE AND NOT SIGNIFICANT FOR THE LONG-TERM OUTCOMES. NO ADVERSE EFFECTS WERE REPORTED IN ANY OF THE INCLUDED STUDIES. SHORT-TERM BENEFITS FOR PATIENTS WITH DIABETES MAY BE ACHIEVED FROM PRACTICING YOGA. FURTHER RESEARCH IS NEEDED IN THIS AREA. FACTORS LIKE QUALITY OF THE TRIALS AND OTHER METHODOLOGICAL ISSUES SHOULD BE IMPROVED BY LARGE RANDOMIZED CONTROL TRIALS WITH ALLOCATION CONCEALMENT TO ASSESS THE EFFECTIVENESS OF YOGA ON DIABETES TYPE II. A DEFINITIVE RECOMMENDATION FOR PHYSICIANS TO ENCOURAGE THEIR PATIENTS TO PRACTICE YOGA CANNOT BE REACHED AT PRESENT. 2010 8 1043 42 EFFECTS OF YOGA INTERVENTIONS ON FATIGUE: A META-ANALYSIS. BACKGROUND. RESEARCHERS AIMED AT SYSTEMATICALLY REVIEWING AND META-ANALYZING THE EFFECTIVENESS OF YOGA INTERVENTIONS FOR FATIGUE. METHODS. PUBMED/MEDLINE WAS SEARCHED UNTIL JANUARY 2012 FOR CONTROLLED CLINICAL STUDIES. TWO REVIEWERS INDEPENDENTLY EXTRACTED THE DATA. THE METHODOLOGICAL QUALITY OF THE STUDIES WAS ASSESSED. A META-ANALYSIS WAS PERFORMED. RESULTS. NINETEEN CLINICAL STUDIES (TOTAL N = 948) WERE INCLUDED IN THIS REVIEW. INVESTIGATED YOGA STYLES INCLUDED HATHA, IYENGAR, ASANAS, PATANJALI, SAHAJA, AND TIBETAN YOGA. PARTICIPANTS WERE SUFFERING FROM CANCER, MULTIPLE SCLEROSIS, DIALYSIS, CHRONIC PANCREATITIS, FIBROMYALGIA, ASTHMA, OR WERE HEALTHY. YOGA HAD A SMALL POSITIVE EFFECT ON FATIGUE (SMD = 0.27, 59% CI = 0.23-0.31). SEVEN STUDIES RECEIVED 4 POINTS ON THE JADAD SCORE. THERE WERE BASELINE DIFFERENCES IN AT LEAST 5 STUDIES. CONCLUSION. OVERALL, THE EFFECTS OF YOGA INTERVENTIONS ON FATIGUE WERE ONLY SMALL, PARTICULARLY IN CANCER PATIENTS. ALTHOUGH YOGA IS GENERALLY A SAFE THERAPEUTIC INTERVENTION AND EFFECTIVE TO ATTENUATE OTHER HEALTH-RELATED SYMPTOMS, THIS META-ANALYSIS WAS NOT ABLE TO DEFINE THE POWERFUL EFFECT OF YOGA ON PATIENTS SUFFERING FROM FATIGUE. TREATMENT EFFECTS OF YOGA COULD BE IMPROVED IN WELL-DESIGNED FUTURE STUDIES. ACCORDING TO THE GRADE RECOMMENDATIONS ASSESSING THE OVERALL QUALITY OF EVIDENCE, THERE IS A MODERATE EFFECT OF THE CONFIDENCE PLACED IN THE ESTIMATES OF THE EFFECTS DISCUSSED HERE. 2012 9 309 47 AN EVIDENCE-BASED REVIEW OF YOGA AS A COMPLEMENTARY INTERVENTION FOR PATIENTS WITH CANCER. OBJECTIVE: TO CONDUCT AN EVIDENCE-BASED REVIEW OF YOGA AS AN INTERVENTION FOR PATIENTS WITH CANCER. SPECIFICALLY, THIS PAPER REVIEWED THE IMPACT OF YOGA ON PSYCHOLOGICAL ADJUSTMENT AMONG CANCER PATIENTS. METHODS: A SYSTEMATIC LITERATURE SEARCH WAS CONDUCTED BETWEEN MAY 2007 AND APRIL 2008. DATA FROM EACH IDENTIFIED STUDY WERE EXTRACTED BY TWO INDEPENDENT RATERS; STUDIES WERE INCLUDED IF THEY ASSESSED PSYCHOLOGICAL FUNCTIONING AND FOCUSED ON YOGA AS A MAIN INTERVENTION. USING A QUALITY RATING SCALE (RANGE = 9-45), THE RATERS ASSESSED THE METHODOLOGICAL QUALITY OF THE STUDIES, AND CONSORT GUIDELINES WERE USED TO ASSESS RANDOMIZED CONTROLLED TRIALS (RCTS). EFFECT SIZES WERE CALCULATED WHEN POSSIBLE. IN ADDITION, EACH STUDY WAS NARRATIVELY REVIEWED WITH ATTENTION TO OUTCOME VARIABLES, THE TYPE OF YOGA INTERVENTION EMPLOYED, AND METHODOLOGICAL STRENGTHS AND LIMITATIONS. RESULTS: TEN STUDIES WERE INCLUDED, INCLUDING SIX RCTS. ACROSS STUDIES, THE MAJORITY OF PARTICIPANTS WERE WOMEN, AND BREAST CANCER WAS THE MOST COMMON DIAGNOSIS. METHODOLOGICAL QUALITY RANGED GREATLY ACROSS STUDIES (RANGE = 15.5-42), WITH THE AVERAGE RATING (M = 33.55) INDICATING ADEQUATE QUALITY. STUDIES ALSO VARIED IN TERMS OF CANCER POPULATIONS AND YOGA INTERVENTIONS SAMPLED. CONCLUSIONS: THIS STUDY PROVIDED A SYSTEMATIC EVALUATION OF THE YOGA AND CANCER LITERATURE. ALTHOUGH SOME POSITIVE RESULTS WERE NOTED, VARIABILITY ACROSS STUDIES AND METHODOLOGICAL DRAWBACKS LIMIT THE EXTENT TO WHICH YOGA CAN BE DEEMED EFFECTIVE FOR MANAGING CANCER-RELATED SYMPTOMS. HOWEVER, FURTHER RESEARCH IN THIS AREA IS CERTAINLY WARRANTED. FUTURE RESEARCH SHOULD EXAMINE WHAT COMPONENTS OF YOGA ARE MOST BENEFICIAL, AND WHAT TYPES OF PATIENTS RECEIVE THE GREATEST BENEFIT FROM YOGA INTERVENTIONS. 2009 10 2488 35 YOGA AS AN INTERVENTION FOR THE REDUCTION OF SYMPTOMS OF ANXIETY AND DEPRESSION IN CHILDREN AND ADOLESCENTS: A SYSTEMATIC REVIEW. PURPOSE: THE PURPOSE OF THIS REVIEW IS TO EVALUATE THE IMPLEMENTATION AND EFFECTIVENESS OF YOGA FOR THE REDUCTION OF SYMPTOMS OF ANXIETY AND DEPRESSION IN YOUTH. TO OUR KNOWLEDGE, THERE ARE NO SYSTEMATIC REVIEWS TO DATE LOOKING AT THE REDUCTION OF SYMPTOMS OF BOTH ANXIETY AND DEPRESSION. METHODS: NUMEROUS SCIENTIFIC DATABASES WERE SEARCHED UP TO NOVEMBER 2018 FOR EXPERIMENTAL STUDIES ASSESSING CHANGES IN SYMPTOMS OF ANXIETY AND/OR DEPRESSION IN YOUTHS FOLLOWING YOGA INTERVENTIONS. QUALITY AND LEVEL OF EVIDENCE WERE ASSESSED, AND INFORMATION WAS SYNTHESIZED ACROSS STUDIES. RESULTS: TWENTY-SEVEN STUDIES INVOLVING YOUTH WITH VARYING HEALTH STATUSES WERE REVIEWED. INTERVENTION CHARACTERISTICS VARIED GREATLY ACROSS STUDIES REVEALING MULTIPLE FACTORS THAT MAY IMPACT INTERVENTION EFFICACY, HOWEVER 70% OF THE STUDIES OVERALL SHOWED IMPROVEMENTS. FOR STUDIES ASSESSING ANXIETY AND DEPRESSION, 58% SHOWED REDUCTIONS IN BOTH SYMPTOMS, WHILE 25% SHOWED REDUCTIONS IN ANXIETY ONLY. ADDITIONALLY, 70% OF STUDIES ASSESSING ANXIETY ALONE SHOWED IMPROVEMENTS AND 40% OF STUDIES ONLY ASSESSING DEPRESSION SHOWED IMPROVEMENTS. CONCLUSION: THE STUDIES REVIEWED, WHILE OF WEAK TO MODERATE METHODOLOGICAL QUALITY, SHOWED THAT YOGA, DEFINED BY THE PRACTICE OF POSTURES, GENERALLY LEADS TO SOME REDUCTIONS IN ANXIETY AND DEPRESSION IN YOUTH REGARDLESS OF HEALTH STATUS AND INTERVENTION CHARACTERISTICS. 2020 11 2172 39 THE EFFECTS OF YOGA ON DEPRESSION AND MOTOR FUNCTION IN PATIENTS WITH PARKINSON'S DISEASE: A REVIEW OF CONTROLLED STUDIES. BACKGROUND: PARKINSON'S DISEASE (PD) IS A NEURODEGENERATIVE/NEUROPSYCHIATRIC DISORDER CHARACTERIZED BY BOTH MOTOR AND NON-MOTOR SYMPTOMOLOGY. THE REPORTED PREVALENCE OF DEPRESSION IN PATIENTS WITH PD IS DIFFICULT TO ASCERTAIN DUE TO OVERLAPPING SOMATIC SYMPTOMS AND FAILURE TO SELF-REPORT SYMPTOMS. ALTHOUGH ANTIDEPRESSANTS REMAIN A FIRST-LINE TREATMENT, THEY CAN HAVE ADVERSE EFFECTS. RECENTLY, LITERATURE HAS DEMONSTRATED THAT DUE TO ITS ANTI-INFLAMMATORY PROPERTIES, YOGA MAY BE AN EFFECTIVE NONPHARMACOLOGIC THERAPY FOR DEPRESSION. METHODS: A SEARCH WAS CONDUCTED TO IDENTIFY RANDOMIZED CONTROLLED TRIALS (RCTS) PUBLISHED FROM JANUARY 2000 TO JANUARY 2019 THAT ASSESSED THE EFFECTS OF YOGA ON DEPRESSION AND MOTOR FUNCTIONING IN PD. RESULTS: THREE STUDIES MET THE CRITERIA FOR INCLUSION. IN ONE RCT, BIWEEKLY YOGA RESULTED IN A DECREASE IN DEPRESSION SCORE (P = .056). IN ANOTHER RCT, WEEKLY YOGA RESULTED IN A SIGNIFICANT DECREASE IN DEPRESSION AND DEMONSTRATED THAT ITS THERAPEUTIC EFFECTS ARE LONG-LASTING. FINALLY, IN A THIRD RCT, NO SIGNIFICANT DIFFERENCE WAS FOUND BETWEEN CONTROL AND EXPERIMENTAL GROUPS IN DEPRESSION AFTER BIWEEKLY YOGA. HOWEVER, YOGA WAS FOUND TO BE PROTECTIVE AGAINST WORSENING OF DEPRESSION. CONCLUSIONS: OUR REVIEW SUGGESTS THAT THE PRACTICE OF YOGA MAY BE A USEFUL NONPHARMACOLOGIC ADJUNCTIVE TREATMENT FOR DEPRESSION IN PATIENTS WITH PD. HOWEVER, MORE CONTROLLED RCTS ARE NEEDED TO VALIDATE OUR CONCLUSIONS. 2020 12 1084 34 EFFECTS OF YOGA ON STRESS MANAGEMENT IN HEALTHY ADULTS: A SYSTEMATIC REVIEW. OBJECTIVE: THIS ARTICLE REPORTS A SYSTEMATIC REVIEW AND CRITICAL APPRAISAL OF THE EFFECT OF YOGA ON STRESS MANAGEMENT IN HEALTHY ADULTS. METHODS: A SYSTEMATIC LITERATURE SEARCH WAS PERFORMED TO IDENTIFY RANDOMIZED CONTROLLED TRIALS (RCTS) AND CLINICAL CONTROLLED TRIALS (CCTS) THAT ASSESSED THE EFFECTS OF YOGA ON STRESS MANAGEMENT IN HEALTHY ADULTS. SELECTED STUDIES WERE CLASSIFIED ACCORDING TO THE TYPES OF INTERVENTION, DURATION, OUTCOME MEASURES, AND RESULTS. THEY WERE ALSO QUALITATIVELY ASSESSED BASED ON PUBLIC HEALTH RESEARCH, EDUCATION AND DEVELOPMENT STANDARDS. RESULTS: THE SYSTEMATIC REVIEW WAS BASED ON EIGHT RCTS AND CCTS THAT INDICATED A POSITIVE EFFECT OF YOGA IN REDUCING STRESS LEVELS OR STRESS SYMPTOMS. HOWEVER, MOST OF THE STUDIES HAD METHODOLOGICAL PROBLEMS IN THAT THE INTERVENTION DURATION WAS SHORT AND LIMITED FOLLOW-UP DATA WAS AVAILABLE. CONCLUSION: THIS REVIEW REVEALED POSITIVE EFFECTS OF YOGA ON STRESS REDUCTION IN HEALTHY ADULT POPULATIONS. HOWEVER, THE RESULT SHOULD BE INTERPRETED WITH CAUTION DUE TO THE SMALL NUMBER OF STUDIES AND THE ASSOCIATED METHODOLOGICAL PROBLEMS. FURTHER STUDIES TO ASCERTAIN YOGA'S LONG-TERM EFFECTS AND THE UNDERLYING BIOLOGICAL MECHANISMS LEADING TO ITS STRESS REDUCTION EFFECT SHOULD BE CONDUCTED. 2011 13 1042 45 EFFECTS OF YOGA INTERVENTIONS ON FATIGUE IN CANCER PATIENTS AND SURVIVORS: A SYSTEMATIC REVIEW OF RANDOMIZED CONTROLLED TRIALS. BACKGROUND: FATIGUE IS ONE OF THE MOST FREQUENTLY REPORTED, DISTRESSING SIDE EFFECTS REPORTED BY CANCER SURVIVORS AND OFTEN HAS SIGNIFICANT LONG-TERM CONSEQUENCES. RESEARCH INDICATES THAT YOGA CAN PRODUCE INVIGORATING EFFECTS ON PHYSICAL AND MENTAL ENERGY, AND THEREBY MAY IMPROVE LEVELS OF FATIGUE. THE OBJECTIVE OF THIS SYSTEMATIC REVIEW WAS TO EXAMINE THE LITERATURE THAT REPORTS THE EFFECTS OF RANDOMIZED, CONTROLLED YOGA INTERVENTIONS ON SELF-REPORTED FATIGUE IN CANCER PATIENTS AND SURVIVORS. THE ONLINE ELECTRONIC DATABASES, PUBMED AND PSYCINFO, WERE USED TO SEARCH FOR PEER-REVIEWED RESEARCH ARTICLES STUDYING THE EFFECTS OF YOGA INTERVENTIONS ON FATIGUE IN CANCER SURVIVORS. COMBINATIONS OF YOGA, CANCER, AND FATIGUE-RELATED SEARCH TERMS WERE ENTERED SIMULTANEOUSLY TO OBTAIN ARTICLES THAT INCLUDED ALL THREE ELEMENTS. STUDIES WERE INCLUDED IF THEY MET THE FOLLOWING INCLUSION CRITERIA: PARTICIPANTS WERE MALE OR FEMALE CANCER PATIENTS OR SURVIVORS PARTICIPATING IN RANDOMIZED, CONTROLLED YOGA INTERVENTIONS. THE MAIN OUTCOME OF INTEREST WAS CHANGE IN FATIGUE FROM PRE- TO POST-INTERVENTION. INTERVENTIONS OF ANY LENGTH WERE INCLUDED IN THE ANALYSIS. RISK OF BIAS USING THE FORMAT OF THE COCHRANE COLLABORATION'S TOOL FOR ASSESSING RISK OF BIAS WAS ALSO EXAMINED ACROSS STUDIES. RESULTS: TEN ARTICLES MET INCLUSION CRITERIA AND INVOLVED A TOTAL OF 583 PARTICIPANTS WHO WERE PREDOMINANTLY FEMALE, BREAST CANCER SURVIVORS. FOUR STUDIES INDICATED THAT THE YOGA INTERVENTION RESULTED IN SIGNIFICANT REDUCTIONS IN SELF-REPORTED FATIGUE FROM PRE- TO POST-INTERVENTION. THREE OF THE STUDIES REPORTED THAT THERE WERE SIGNIFICANT REDUCTIONS OF FATIGUE AMONG PARTICIPANTS WHO ATTENDED A GREATER NUMBER OF YOGA CLASSES. RISK OF BIAS WAS HIGH FOR AREAS OF ADEQUATE SELECTION, PERFORMANCE, DETECTION, AND PATIENT-REPORTED BIAS AND MIXED FOR ATTRITION AND REPORTING BIAS. RISK OF BIAS WAS UNIFORMLY LOW FOR OTHER FORMS OF BIAS, INCLUDING FINANCIAL CONFLICTS OF INTEREST. CONCLUSIONS: RESULTS OF THE STUDIES INCLUDED IN THIS REVIEW SUGGEST THAT YOGA INTERVENTIONS MAY BE BENEFICIAL FOR REDUCING CANCER-RELATED FATIGUE IN WOMEN WITH BREAST CANCER; HOWEVER, CONCLUSIONS SHOULD BE INTERPRETED WITH CAUTION AS A RESULT OF LEVELS OF BIAS AND INCONSISTENT METHODS USED ACROSS STUDIES. MORE WELL-CONSTRUCTED RANDOMIZED CONTROLLED TRIALS ARE NEEDED TO DETERMINE THE IMPACT OF YOGA INTERVENTIONS ON FATIGUE IN CANCER PATIENTS AND SURVIVORS. 2013 14 2677 46 YOGA IN SCHIZOPHRENIA: A SYSTEMATIC REVIEW OF RANDOMISED CONTROLLED TRIALS. OBJECTIVE: THE OBJECTIVE OF THIS SYSTEMATIC REVIEW WAS TO ASSESS THE EFFECTIVENESS OF YOGA AS A COMPLEMENTARY TREATMENT ON GENERAL PSYCHOPATHOLOGY, POSITIVE AND NEGATIVE SYMPTOMS AND HEALTH-RELATED QUALITY OF LIFE (HRQL) FOR PEOPLE WITH SCHIZOPHRENIA. METHOD: RANDOMISED CONTROLLED TRIALS (RCTS) WERE CONSIDERED WHETHER THEY INVESTIGATED A YOGA INTERVENTION IN PATIENTS WITH SCHIZOPHRENIA. THE SELECTION OF STUDIES, DATA EXTRACTION AND QUALITY ASSESSMENT WERE PERFORMED INDEPENDENTLY BY TWO REVIEWERS. RESULTS: ONLY THREE RCTS MET THE INCLUSION CRITERIA. LOWER POSITIVE AND NEGATIVE SYNDROME SCALE (PANSS) TOTAL SCORES AND SUBSCALE SCORES FOR POSITIVE AND NEGATIVE SYMPTOMS WERE OBTAINED AFTER YOGA COMPARED WITH EXERCISE OR WAITING LIST CONTROL CONDITIONS. IN THE SAME WAY, THE PHYSICAL, PSYCHOLOGICAL, SOCIAL AND ENVIRONMENTAL HRQL AS MEASURED WITH THE ABBREVIATED VERSION OF THE WORLD HEALTH ORGANIZATION QUALITY OF LIFE QUESTIONNAIRE (WHOQOL-BREF) INCREASED MORE SIGNIFICANTLY AFTER YOGA THAN AFTER EXERCISE OR WAITING LIST CONTROL CONDITIONS. NONE OF THE RCTS ENCOUNTERED ADVERSE EVENTS. DOSE-RESPONSE RELATIONSHIPS COULD, HOWEVER, NOT BE DETERMINED. CONCLUSION: ALTHOUGH THE NUMBER OF RCTS INCLUDED IN THIS REVIEW WAS LIMITED, RESULTS INDICATED THAT YOGA THERAPY CAN BE AN USEFUL ADD-ON TREATMENT TO REDUCE GENERAL PSYCHOPATHOLOGY AND POSITIVE AND NEGATIVE SYMPTOMS. IN THE SAME WAY, HRQL IMPROVED IN THOSE ANTIPSYCHOTIC-STABILISED PATIENTS WITH SCHIZOPHRENIA FOLLOWING YOGA. 2012 15 698 38 EFFECT OF HATHA YOGA ON ANXIETY: A META-ANALYSIS. OBJECTIVE: SOME EVIDENCE SUGGESTS THAT HATHA YOGA MIGHT BE AN EFFECTIVE PRACTICE TO REDUCE ANXIETY. TO EXAMINE THE EFFECT OF HATHA YOGA ON ANXIETY, WE CONDUCTED A META-ANALYSIS OF RELEVANT STUDIES EXTRACTED FROM PUBMED, PSYCINFO, THE COCHRANE LIBRARY, AND MANUAL SEARCHES. METHODS: THE SEARCH IDENTIFIED 17 STUDIES (11 WAITLIST CONTROLLED TRIALS) TOTALING 501 PARTICIPANTS WHO RECEIVED HATHA YOGA AND WHO REPORTED THEIR LEVELS OF ANXIETY BEFORE AND AFTER THE PRACTICE. WE ESTIMATED THE CONTROLLED AND WITHIN-GROUP RANDOM EFFECTS OF THE PRACTICE ON ANXIETY. RESULTS: THE PRE-POST WITHIN-GROUP AND CONTROLLED EFFECT SIZES WERE, HEDGES' G = 0.44 AND HEDGES' G = 0.61, RESPECTIVELY. TREATMENT EFFICACY WAS POSITIVELY ASSOCIATED WITH THE TOTAL NUMBER OF HOURS PRACTICED. PEOPLE WITH ELEVATED LEVELS OF ANXIETY BENEFITTED THE MOST. EFFECT SIZES WERE NOT MODERATED BY STUDY YEAR, GENDER, PRESENCE OF A MEDICAL DISORDER, OR AGE. ALTHOUGH THE QUALITY OF THE STUDIES WAS RELATIVELY LOW, THE RISK OF STUDY BIAS DID NOT MODERATE THE EFFECT. CONCLUSIONS: HATHA YOGA IS A PROMISING METHOD FOR TREATING ANXIETY. HOWEVER, MORE WELL-CONTROLLED STUDIES ARE NEEDED TO COMPARE THE EFFICACY OF HATHA YOGA WITH OTHER MORE ESTABLISHED TREATMENTS AND TO UNDERSTAND ITS MECHANISM. THIS ARTICLE IS PROTECTED BY COPYRIGHT. ALL RIGHTS RESERVED. 2016 16 1516 39 IS YOGA AN EFFECTIVE TREATMENT IN THE MANAGEMENT OF PATIENTS WITH CHRONIC LOW BACK PAIN COMPARED WITH OTHER CARE MODALITIES - A SYSTEMATIC REVIEW. OBJECTIVE: THE AIM OF THE STUDY WAS TO ASSESS RANDOMIZED-CONTROL TRIALS (RCTS) TO ASCERTAIN WHETHER YOGA IS AN EFFECTIVE TREATMENT IN THE MANAGEMENT OF PATIENTS WITH CHRONIC LOW BACK PAIN (CLBP) COMPARED WITH OTHER CARE MODALITIES. METHODS: A SEARCH STRATEGY WAS FORMULATED WITH KEY CONCEPTS IDENTIFIED USING THE PICO PROCESS. FOUR DATABASES WERE SEARCHED IN JUNE 2012. APPROPRIATE ELIGIBILITY CRITERIA WERE SET AND IMPLEMENTED. RESULTS: FOUR RANDOMIZED CONTROL TRIALS MET THE INCLUSION CRITERIA. ALL FOUR PAPERS FOUND THAT YOGA LEAD TO A SIGNIFICANT IMPROVEMENT IN BACK FUNCTION, AND THREE DEMONSTRATED A SIGNIFICANT IMPROVEMENT IN BACK PAIN WHEN COMPARED WITH CERTAIN CARE MODALITIES. ALL PAPERS HAD SIGNIFICANT LIMITATIONS IDENTIFIED, HOWEVER. CONCLUSIONS: GIVEN THE LIMITATIONS IDENTIFIED WITHIN THE STUDIES, THE CONCLUSIONS DRAWN MUST BE CONSIDERED CONSERVATIVELY. ALTHOUGH EARLY RESULTS APPEAR PROMISING, BUT FURTHER WELL-DESIGNED RCTS ARE WARRANTED, WITH MULTIPLE, SPECIFIED COMPARATOR CARE MODALITIES BEFORE FIRM CONCLUSIONS CAN BE GAINED. 2013 17 2689 41 YOGA IN THE WORKPLACE AND HEALTH OUTCOMES: A SYSTEMATIC REVIEW. BACKGROUND: HEALTH PROMOTION IN THE WORKPLACE IS INTENDED TO ENHANCE EMPLOYEE HEALTH AND WELL-BEING. YOGA PROGRAMMES ARE EASY TO IMPLEMENT AND HAVE BEEN EFFECTIVE IN THE MANAGEMENT OF VARIOUS HEALTH CONDITIONS. AIMS: TO ASSESS THE EVIDENCE REGARDING THE EFFECTIVENESS OF YOGA PROGRAMMES AT WORK. METHODS: A SEARCH OF ELECTRONIC DATABASES OF PUBLISHED STUDIES UP UNTIL THE 1ST OF APRIL 2017. INCLUSION CRITERIA FOR THE SYSTEMATIC REVIEW WERE RANDOMIZED CONTROLLED TRIALS OF ADULT EMPLOYEES AND YOGA IN THE WORKPLACE. QUALITY APPRAISAL WAS CARRIED OUT USING THE COCHRANE COLLABORATION'S TOOL FOR ASSESSING RISK OF BIAS IN RANDOMIZED TRIALS. RESULTS: OF 1343 PAPERS IDENTIFIED, 13 STUDIES MET THE INCLUSION CRITERIA. NINE OUT OF 13 TRIALS WERE CLASSIFIED AS HAVING AN UNCLEAR RISK OF BIAS. THE OVERALL EFFECTS OF YOGA ON MENTAL HEALTH OUTCOMES WERE BENEFICIAL, MAINLY ON STRESS. MOST OF THE CARDIOVASCULAR ENDPOINTS SHOWED NO DIFFERENCES BETWEEN YOGA AND CONTROLS. OTHER OUTCOMES REPORTED POSITIVE EFFECTS OF YOGA OR NO CHANGE. CONCLUSIONS: THE FINDINGS OF THIS STUDY SUGGEST THAT YOGA HAS A POSITIVE EFFECT ON HEALTH IN THE WORKPLACE, PARTICULARLY IN REDUCING STRESS, AND NO NEGATIVE EFFECTS WERE REPORTED IN ANY OF THE RANDOMIZED CONTROLLED TRIALS. FURTHER LARGER STUDIES ARE REQUIRED TO CONFIRM THIS. 2019 18 1031 43 EFFECTS OF YOGA EXERCISES FOR HEADACHES: A SYSTEMATIC REVIEW OF RANDOMIZED CONTROLLED TRIALS. [PURPOSE] TO ASSESS THE EVIDENCE FOR THE EFFECTIVENESS OF YOGA EXERCISES IN THE MANAGEMENT OF HEADACHES. [SUBJECTS AND METHODS] A SEARCH WAS CONDUCTED OF SIX ELECTRONIC DATABASES TO IDENTIFY RANDOMIZED CONTROLLED TRIALS (RCTS) REPORTING THE EFFECTS OF YOGIC INTERVENTION ON HEADACHES PUBLISHED IN ANY LANGUAGE BEFORE JANUARY 2015. QUALITY ASSESSMENT WAS CONDUCTED USING THE COCHRANE RISK OF BIAS TOOL. [RESULTS] ONE POTENTIAL TRIAL WAS IDENTIFIED AND INCLUDED IN THIS REVIEW. THE QUALITY CRITICAL APPRAISAL INDICATED A MODERATE RISK OF BIAS. THE AVAILABLE DATA COULD ONLY BE INCLUDED AS A NARRATIVE DESCRIPTION. HEADACHE INTENSITY AND FREQUENCY, ANXIETY AND DEPRESSION SCORES, AND SYMPTOMATIC MEDICATION USE WERE SIGNIFICANTLY LOWER IN THE YOGA GROUP COMPARED TO THE CONTROL GROUP. [CONCLUSION] THERE IS EVIDENCE FROM ONE RCT THAT YOGA EXERCISES MAY BE BENEFICIAL FOR HEADACHES. HOWEVER, THE FINDINGS SHOULD BE INTERPRETED WITH CAUTION DUE TO THE SMALL NUMBER OF RCTS. THEREFORE, FURTHER RIGOROUS METHODOLOGICAL AND HIGH QUALITY RCTS ARE REQUIRED TO INVESTIGATE THE HYPOTHESIS THAT YOGA EXERCISES ALLEVIATE HEADACHES, AND TO CONFIRM AND FURTHER COMPREHEND THE EFFECTS OF STANDARDIZED YOGA PROGRAMS ON HEADACHES. 2015 19 2566 48 YOGA FOR DEPRESSION AND ANXIETY SYMPTOMS IN PEOPLE WITH CANCER: A SYSTEMATIC REVIEW AND META-ANALYSIS. OBJECTIVE: CANCER AND ITS TREATMENT CAN LEAD TO A VARIETY OF PHYSICAL AND EMOTIONAL CONCERNS IMPACTING ON THOSE AFFECTED, INCLUDING SUBCLINICAL OR CLINICAL DEPRESSION AND ANXIETY, WHICH IN TURN HAVE A SIGNIFICANT IMPACT ON WELLBEING, QUALITY OF LIFE AND SURVIVAL. THE AIM OF THIS REVIEW WAS TO EVALUATE THE EFFECT OF YOGA-BASED INTERVENTIONS ON SELF-REPORTED DEPRESSION AND ANXIETY SYMPTOMS IN PEOPLE WITH CANCER IN RANDOMIZED CONTROLLED TRIALS. METHOD: SIX DATABASES WERE SEARCHED TO IDENTIFY RELEVANT STUDIES. SYSTEMATIC REVIEW PROCEDURES WERE FOLLOWED INCLUDING A QUALITY ASSESSMENT. META-ANALYSIS OF SUITABLE STUDIES WAS CONDUCTED. RESULTS: 26 STUDIES FROM OUR SEARCH CRITERIA WERE ELIGIBLE FOR INCLUSION FOR DEPRESSIVE AND 16 FOR ANXIETY SYMPTOMS. META-ANALYSES REVEALED EVIDENCE FOR SIGNIFICANT MEDIUM EFFECTS OF YOGA ON DEPRESSION SYMPTOMS (N = 1,486, G = -0.419, 95% CONFIDENCE INTERVAL [CI] = -0.558 TO -0.281, P < 0.001) AND ANXIETY (N = 977, G = -0.347, 95% CI = -0.473 TO -0.221, P < 0.001) COMPARED TO CONTROLS. SUBGROUP ANALYSES FOR DEPRESSIVE SYMPTOMS REVEALED SIGNIFICANT EFFECTS FOR ALL ANALYSES PERFORMED (TYPE OF CANCER, TYPE OF CONTROL, TREATMENT STATUS, DURATION OF INTERVENTION OR FREQUENCY OF YOGA SESSIONS), WITH EFFECT SIZES BEING COMPARABLE BETWEEN SUBGROUPS. SIMILAR FINDINGS WERE FOUND FOR ANXIETY SYMPTOMS EXCEPT FOR TREATMENT STATUS, WHERE THE ONLY SIGNIFICANT EFFECT WAS FOUND WHEN YOGA WAS DELIVERED DURING ACTIVE TREATMENT. CONCLUSIONS: THIS REVIEW PROVIDES EVIDENCE THAT IN PEOPLE WITH CANCER, YOGA-BASED INTERVENTIONS ARE ASSOCIATED WITH AMELIORATION OF DEPRESSION AND ANXIETY SYMPTOMS AND THEREFORE A PROMISING THERAPEUTIC MODALITY FOR THEIR MANAGEMENT. HOWEVER, THE POTENTIAL FOR RISK OF BIAS TOGETHER WITH CONTROL GROUP DESIGN CHALLENGES MEANS THE RESULTS SHOULD BE INTERPRETED WITH CAUTION. 2021 20 522 37 COMPARISON GROUPS IN YOGA RESEARCH: A SYSTEMATIC REVIEW AND CRITICAL EVALUATION OF THE LITERATURE. OBJECTIVES: COMPARISON GROUPS ARE ESSENTIAL FOR ACCURATE TESTING AND INTERPRETATION OF YOGA INTERVENTION TRIALS. HOWEVER, SELECTING PROPER COMPARISON GROUPS IS DIFFICULT BECAUSE YOGA COMPRISES A VERY HETEROGENEOUS SET OF PRACTICES AND ITS MECHANISMS OF EFFECT HAVE NOT BEEN CONCLUSIVELY ESTABLISHED. METHODS: WE CONDUCTED A SYSTEMATIC REVIEW OF THE CONTROL AND COMPARISON GROUPS USED IN PUBLISHED RANDOMIZED CONTROLLED TRIALS (RCTS) OF YOGA. RESULTS: WE LOCATED 128 RCTS THAT MET OUR INCLUSION CRITERIA; OF THESE, 65 INCLUDED ONLY A PASSIVE CONTROL AND 63 INCLUDED AT LEAST ONE ACTIVE COMPARISON GROUP. PRIMARY COMPARISON GROUPS WERE PHYSICAL EXERCISE (43%), RELAXATION/MEDITATION (20%), AND EDUCATION (16%). STUDIES RARELY PROVIDED A STRONG RATIONALE FOR CHOICE OF COMPARISON. CONSIDERING YEAR OF PUBLICATION, THE USE OF ACTIVE CONTROLS IN YOGA RESEARCH APPEARS TO BE SLOWLY INCREASING OVER TIME. CONCLUSIONS: GIVEN THAT YOGA HAS BEEN ESTABLISHED AS A POTENTIALLY POWERFUL INTERVENTION, FUTURE RESEARCH SHOULD USE ACTIVE CONTROL GROUPS. FURTHER, CARE IS NEEDED TO SELECT COMPARISON CONDITIONS THAT HELP TO ISOLATE THE SPECIFIC MECHANISMS OF YOGA'S EFFECTS. 2014