1 1460 130 INFLUENCE OF YOGA ON CANCER-RELATED FATIGUE AND ON MEDIATIONAL RELATIONSHIPS BETWEEN CHANGES IN SLEEP AND CANCER-RELATED FATIGUE: A NATIONWIDE, MULTICENTER RANDOMIZED CONTROLLED TRIAL OF YOGA IN CANCER SURVIVORS. BACKGROUND: CANCER-RELATED FATIGUE (CRF) OFTEN CO-OCCURS WITH SLEEP DISTURBANCE AND IS ONE OF THE MOST PERVASIVE TOXICITIES RESULTING FROM CANCER AND ITS TREATMENT. WE AND OTHER INVESTIGATORS HAVE PREVIOUSLY REPORTED THAT YOGA THERAPY CAN IMPROVE SLEEP QUALITY IN CANCER PATIENTS AND SURVIVORS. NO NATIONWIDE MULTICENTER PHASE III RANDOMIZED CONTROLLED TRIAL (RCT) HAS INVESTIGATED WHETHER YOGA THERAPY IMPROVES CRF OR WHETHER IMPROVEMENTS IN SLEEP MEDIATE THE EFFECT OF YOGA ON CRF. WE EXAMINED THE EFFECT OF A STANDARDIZED, 4-WEEK, YOGA THERAPY PROGRAM (YOGA FOR CANCER SURVIVORS [YOCAS]) ON CRF AND WHETHER YOCAS-INDUCED CHANGES IN SLEEP MEDIATED CHANGES IN CRF AMONG SURVIVORS. STUDY DESIGN AND METHODS: FOUR HUNDRED TEN CANCER SURVIVORS WERE RECRUITED TO A NATIONWIDE MULTICENTER PHASE III RCT COMPARING THE EFFECT OF YOCAS TO STANDARD SURVIVORSHIP CARE ON CRF AND EXAMINING THE MEDIATING EFFECTS OF CHANGES IN SLEEP, STEMMING FROM YOGA, ON CHANGES IN CRF. CRF WAS ASSESSED BY THE MULTIDIMENSIONAL FATIGUE SYMPTOM INVENTORY. SLEEP WAS ASSESSED VIA THE PITTSBURGH SLEEP QUALITY INDEX. BETWEEN- AND WITHIN-GROUP INTERVENTION EFFECTS ON CRF WERE ASSESSED BY ANALYSIS OF COVARIANCE AND 2-TAILED T TEST, RESPECTIVELY. PATH ANALYSIS WAS USED TO EVALUATE MEDIATION. RESULTS: YOCAS PARTICIPANTS DEMONSTRATED SIGNIFICANTLY GREATER IMPROVEMENTS IN CRF COMPARED WITH PARTICIPANTS IN STANDARD SURVIVORSHIP CARE AT POST-INTERVENTION ( P < .01). IMPROVEMENTS IN OVERALL SLEEP QUALITY AND REDUCTIONS IN DAYTIME DYSFUNCTION (EG, EXCESSIVE NAPPING) RESULTING FROM YOGA SIGNIFICANTLY MEDIATED THE EFFECT OF YOGA ON CRF (22% AND 37%, RESPECTIVELY, BOTH P < .01). CONCLUSIONS: YOCAS IS EFFECTIVE FOR TREATING CRF AMONG CANCER SURVIVORS; 22% TO 37% OF THE IMPROVEMENTS IN CRF FROM YOGA THERAPY RESULT FROM IMPROVEMENTS IN SLEEP QUALITY AND DAYTIME DYSFUNCTION. ONCOLOGISTS SHOULD CONSIDER PRESCRIBING YOGA TO CANCER SURVIVORS FOR TREATING CRF AND SLEEP DISTURBANCE. 2019 2 1865 49 RANDOMIZED PILOT TRIAL OF YOGA VERSUS STRENGTHENING EXERCISES IN BREAST CANCER SURVIVORS WITH CANCER-RELATED FATIGUE. PURPOSE: FATIGUE IS ONE OF THE MOST COMMON AND BOTHERSOME REFRACTORY SYMPTOMS EXPERIENCED BY CANCER SURVIVORS. MINDFUL EXERCISE INTERVENTIONS SUCH AS YOGA IMPROVE CANCER-RELATED FATIGUE; HOWEVER, STUDIES OF YOGA HAVE INCLUDED HETEROGENEOUS SURVIVORSHIP POPULATIONS, AND THE EFFECT OF YOGA ON FATIGUED SURVIVORS REMAINS UNCLEAR. METHODS: WE RANDOMLY ASSIGNED 34 EARLY-STAGE BREAST CANCER SURVIVORS WITH CANCER-RELATED FATIGUE (>/=4 ON A LIKERT SCALE FROM 1-10) WITHIN 1 YEAR FROM DIAGNOSIS TO A 12-WEEK INTERVENTION OF HOME-BASED YOGA VERSUS STRENGTHENING EXERCISES, BOTH PRESENTED ON A DVD. THE PRIMARY ENDPOINTS WERE FEASIBILITY AND CHANGES IN FATIGUE, AS MEASURED BY THE MULTIDIMENSIONAL FATIGUE SYMPTOM INVENTORY-SHORT FORM (MFSI-SF). SECONDARY ENDPOINT WAS QUALITY OF LIFE, ASSESSED BY THE FUNCTIONAL ASSESSMENT OF CANCER THERAPIES-BREAST (FACT-B). RESULTS: WE INVITED 401 WOMEN TO PARTICIPATE IN THE STUDY; 78 RESPONDED, AND WE ENROLLED 34. BOTH GROUPS HAD SIGNIFICANT WITHIN-GROUP IMPROVEMENT IN MULTIPLE DOMAINS OF THE FATIGUE AND QUALITY OF LIFE SCORES FROM BASELINE TO POST-INTERVENTION, AND THESE BENEFITS WERE MAINTAINED AT 3 MONTHS POST-INTERVENTION. HOWEVER, THERE WAS NO SIGNIFICANT DIFFERENCE BETWEEN GROUPS IN FATIGUE OR QUALITY OF LIFE AT ANY ASSESSMENT TIME. SIMILARLY, THERE WAS NO DIFFERENCE BETWEEN GROUPS IN ADHERENCE TO THE EXERCISE INTERVENTION. CONCLUSIONS: BOTH DVD-BASED YOGA AND STRENGTHENING EXERCISES DESIGNED FOR CANCER SURVIVORS MAY BE GOOD OPTIONS TO ADDRESS FATIGUE IN BREAST CANCER SURVIVORS. BOTH HAVE REASONABLE UPTAKE, ARE CONVENIENT AND REPRODUCIBLE, AND MAY BE HELPFUL IN DECREASING FATIGUE AND IMPROVING QUALITY OF LIFE IN THE FIRST YEAR POST-DIAGNOSIS IN BREAST CANCER PATIENTS WITH CANCER-RELATED FATIGUE. 2016 3 1052 52 EFFECTS OF YOGA ON CANCER-RELATED FATIGUE AND GLOBAL SIDE-EFFECT BURDEN IN OLDER CANCER SURVIVORS. BACKGROUND: SIXTY PERCENT OF CANCER SURVIVORS ARE 65YEARS OF AGE OR OLDER. CANCER AND ITS TREATMENTS LEAD TO CANCER-RELATED FATIGUE AND MANY OTHER SIDE EFFECTS, IN TURN, CREATING SUBSTANTIAL GLOBAL SIDE-EFFECT BURDEN (TOTAL BURDEN FROM ALL SIDE EFFECTS) WHICH, ULTIMATELY, COMPROMISES FUNCTIONAL INDEPENDENCE AND QUALITY OF LIFE. VARIOUS MODES OF EXERCISE, SUCH AS YOGA, REDUCE CANCER-RELATED FATIGUE AND GLOBAL SIDE-EFFECT BURDEN IN YOUNGER CANCER SURVIVORS, BUT NO STUDIES HAVE SPECIFICALLY EXAMINED THE EFFECTS OF YOGA ON OLDER CANCER SURVIVORS. OBJECTIVES: THE PURPOSE OF THIS STUDY WAS TO ASSESS THE EFFECTS OF A 4-WEEK YOGA INTERVENTION (YOGA FOR CANCER SURVIVORS: YOCAS(C)(R)) ON OVERALL CANCER-RELATED FATIGUE, AND DUE TO ITS MULTIDIMENSIONAL NATURE, THE SUBDOMAINS OF CANCER-RELATED FATIGUE (GENERAL, PHYSICAL, EMOTIONAL, AND MENTAL) AND GLOBAL SIDE-EFFECT BURDEN IN OLDER CANCER SURVIVORS. MATERIALS AND METHODS: WE CONDUCTED A SECONDARY ANALYSIS ON DATA FROM A MULTICENTER PHASE III RANDOMIZED CONTROLLED CLINICAL TRIAL WITH 2 ARMS (STANDARD CARE AND STANDARD CARE PLUS A 4-WEEK YOCAS(C)(R) INTERVENTION). THE SAMPLE FOR THIS SECONDARY ANALYSIS WAS 97 OLDER CANCER SURVIVORS (>/=60YEARS OF AGE), BETWEEN 2MONTHS AND 2YEARS POST-TREATMENT, WHO PARTICIPATED IN THE ORIGINAL TRIAL. RESULTS: PARTICIPANTS IN THE YOCAS(C)(R) INTERVENTION ARM REPORTED SIGNIFICANTLY LOWER CANCER-RELATED FATIGUE, PHYSICAL FATIGUE, MENTAL FATIGUE, AND GLOBAL SIDE-EFFECT BURDEN THAN PARTICIPANTS IN THE STANDARD CARE ARM FOLLOWING THE 4-WEEK INTERVENTION PERIOD (P<0.05). CONCLUSIONS: YOCAS(C)(R) IS AN EFFECTIVE STANDARDIZED YOGA INTERVENTION FOR REDUCING CANCER-RELATED FATIGUE, PHYSICAL FATIGUE, MENTAL FATIGUE, AND GLOBAL SIDE-EFFECT BURDEN AMONG OLDER CANCER SURVIVORS. 2015 4 2604 43 YOGA FOR PERSISTENT FATIGUE IN BREAST CANCER SURVIVORS: A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: CANCER-RELATED FATIGUE AFFLICTS UP TO 33% OF BREAST CANCER SURVIVORS, YET THERE ARE NO EMPIRICALLY VALIDATED TREATMENTS FOR THIS SYMPTOM. METHODS: THE AUTHORS CONDUCTED A 2-GROUP RANDOMIZED CONTROLLED TRIAL TO DETERMINE THE FEASIBILITY AND EFFICACY OF AN IYENGAR YOGA INTERVENTION FOR BREAST CANCER SURVIVORS WITH PERSISTENT POST-TREATMENT FATIGUE. PARTICIPANTS WERE BREAST CANCER SURVIVORS WHO HAD COMPLETED CANCER TREATMENTS (OTHER THAN ENDOCRINE THERAPY) AT LEAST 6 MONTHS BEFORE ENROLLMENT, REPORTED SIGNIFICANT CANCER-RELATED FATIGUE, AND HAD NO OTHER MEDICAL CONDITIONS THAT WOULD ACCOUNT FOR FATIGUE SYMPTOMS OR INTERFERE WITH YOGA PRACTICE. BLOCK RANDOMIZATION WAS USED TO ASSIGN PARTICIPANTS TO A 12-WEEK, IYENGAR-BASED YOGA INTERVENTION OR TO 12 WEEKS OF HEALTH EDUCATION (CONTROL). THE PRIMARY OUTCOME WAS CHANGE IN FATIGUE MEASURED AT BASELINE, IMMEDIATELY POST-TREATMENT, AND 3 MONTHS AFTER TREATMENT COMPLETION. ADDITIONAL OUTCOMES INCLUDED CHANGES IN VIGOR, DEPRESSIVE SYMPTOMS, SLEEP, PERCEIVED STRESS, AND PHYSICAL PERFORMANCE. INTENT-TO-TREAT ANALYSES WERE CONDUCTED WITH ALL RANDOMIZED PARTICIPANTS USING LINEAR MIXED MODELS. RESULTS: THIRTY-ONE WOMEN WERE RANDOMLY ASSIGNED TO YOGA (N = 16) OR HEALTH EDUCATION (N = 15). FATIGUE SEVERITY DECLINED SIGNIFICANTLY FROM BASELINE TO POST-TREATMENT AND OVER A 3-MONTH FOLLOW-UP IN THE YOGA GROUP RELATIVE TO CONTROLS (P = .032). IN ADDITION, THE YOGA GROUP HAD SIGNIFICANT INCREASES IN VIGOR RELATIVE TO CONTROLS (P = .011). BOTH GROUPS HAD POSITIVE CHANGES IN DEPRESSIVE SYMPTOMS AND PERCEIVED STRESS (P < .05). NO SIGNIFICANT CHANGES IN SLEEP OR PHYSICAL PERFORMANCE WERE OBSERVED. CONCLUSIONS: A TARGETED YOGA INTERVENTION LED TO SIGNIFICANT IMPROVEMENTS IN FATIGUE AND VIGOR AMONG BREAST CANCER SURVIVORS WITH PERSISTENT FATIGUE SYMPTOMS. 2012 5 2627 30 YOGA FOR THE MANAGEMENT OF CANCER TREATMENT-RELATED TOXICITIES. PURPOSE OF REVIEW: TO (1) EXPLAIN WHAT YOGA IS, (2) SUMMARIZE PUBLISHED LITERATURE ON THE EFFICACY OF YOGA FOR MANAGING CANCER TREATMENT-RELATED TOXICITIES, (3) PROVIDE CLINICAL RECOMMENDATIONS ON THE USE OF YOGA FOR ONCOLOGY PROFESSIONALS, AND (4) SUGGEST PROMISING AREAS FOR FUTURE RESEARCH. RECENT FINDINGS: BASED ON A TOTAL OF 24 PHASE II AND ONE PHASE III CLINICAL TRIALS, LOW-INTENSITY FORMS OF YOGA, SPECIFICALLY GENTLE HATHA AND RESTORATIVE, ARE FEASIBLE, SAFE, AND EFFECTIVE FOR TREATING SLEEP DISRUPTION, CANCER-RELATED FATIGUE, COGNITIVE IMPAIRMENT, PSYCHOSOCIAL DISTRESS, AND MUSCULOSKELETAL SYMPTOMS IN CANCER PATIENTS RECEIVING CHEMOTHERAPY AND RADIATION AND CANCER SURVIVORS. CLINICIANS SHOULD CONSIDER PRESCRIBING YOGA FOR THEIR PATIENTS SUFFERING WITH THESE TOXICITIES BY REFERRING THEM TO QUALIFIED YOGA PROFESSIONALS. MORE DEFINITIVE PHASE III CLINICAL TRIALS ARE NEEDED TO CONFIRM THESE FINDINGS AND TO INVESTIGATE OTHER TYPES, DOSES, AND DELIVERY MODES OF YOGA FOR TREATING CANCER-RELATED TOXICITIES IN PATIENTS AND SURVIVORS. 2018 6 2605 38 YOGA FOR PERSISTENT FATIGUE IN BREAST CANCER SURVIVORS: RESULTS OF A PILOT STUDY. APPROXIMATELY ONE-THIRD OF BREAST CANCER SURVIVORS EXPERIENCES PERSISTENT FATIGUE FOR MONTHS OR YEARS AFTER SUCCESSFUL TREATMENT COMPLETION. THERE IS A LACK OF EVIDENCE-BASED TREATMENTS FOR CANCER-RELATED FATIGUE, PARTICULARLY AMONG CANCER SURVIVORS. THIS SINGLE-ARM PILOT STUDY EVALUATED THE FEASIBILITY AND PRELIMINARY EFFICACY OF A YOGA INTERVENTION FOR FATIGUED BREAST CANCER SURVIVORS BASED ON THE IYENGAR TRADITION. IYENGAR YOGA PRESCRIBES SPECIFIC POSES FOR INDIVIDUALS WITH SPECIFIC MEDICAL PROBLEMS AND CONDITIONS; THIS TRIAL EMPHASIZED POSTURES BELIEVED TO BE EFFECTIVE FOR REDUCING FATIGUE AMONG BREAST CANCER SURVIVORS, INCLUDING INVERSIONS AND BACKBENDS PERFORMED WITH THE SUPPORT OF PROPS. TWELVE WOMEN WERE ENROLLED IN THE TRIAL, AND 11 COMPLETED THE FULL 12-WEEK COURSE OF TREATMENT. THERE WAS A SIGNIFICANT IMPROVEMENT IN FATIGUE SCORES FROM PRE- TO POST-INTERVENTION THAT WAS MAINTAINED AT THE 3-MONTH POST-INTERVENTION FOLLOWUP. SIGNIFICANT IMPROVEMENTS WERE ALSO OBSERVED IN MEASURES OF PHYSICAL FUNCTION, DEPRESSED MOOD, AND QUALITY OF LIFE. THESE RESULTS SUPPORT THE ACCEPTABILITY OF THIS INTERVENTION AND SUGGEST THAT IT MAY HAVE BENEFICIAL EFFECTS ON PERSISTENT POST-TREATMENT FATIGUE. HOWEVER, RESULTS REQUIRE REPLICATION IN A LARGER RANDOMIZED CONTROLLED TRIAL. 2011 7 2442 40 YOGA AND SELF-REPORTED COGNITIVE PROBLEMS IN BREAST CANCER SURVIVORS: A RANDOMIZED CONTROLLED TRIAL. OBJECTIVES: CANCER SURVIVORS OFTEN REPORT COGNITIVE PROBLEMS. FURTHERMORE, DECREASES IN PHYSICAL ACTIVITY TYPICALLY OCCUR OVER THE COURSE OF CANCER TREATMENT. ALTHOUGH PHYSICAL ACTIVITY BENEFITS COGNITIVE FUNCTION IN NONCANCER POPULATIONS, EVIDENCE LINKING PHYSICAL ACTIVITY TO COGNITIVE FUNCTION IN CANCER SURVIVORS IS LIMITED. IN OUR RECENT RANDOMIZED CONTROLLED TRIAL, BREAST CANCER SURVIVORS WHO RECEIVED A YOGA INTERVENTION HAD LOWER FATIGUE AND INFLAMMATION FOLLOWING THE TRIAL COMPARED WITH A WAIT LIST CONTROL GROUP. THIS SECONDARY ANALYSIS OF THE PARENT TRIAL ADDRESSED YOGA'S IMPACT ON COGNITIVE COMPLAINTS. METHODS: POSTTREATMENT STAGE 0-IIIA BREAST CANCER SURVIVORS (N = 200) WERE RANDOMIZED TO A 12-WEEK, TWICE-WEEKLY HATHA YOGA INTERVENTION OR A WAIT LIST CONTROL GROUP. PARTICIPANTS REPORTED COGNITIVE COMPLAINTS USING THE BREAST CANCER PREVENTION TRIAL COGNITIVE PROBLEMS SCALE AT BASELINE, IMMEDIATELY POSTINTERVENTION, AND 3-MONTH FOLLOW-UP. RESULTS: COGNITIVE COMPLAINTS DID NOT DIFFER SIGNIFICANTLY BETWEEN GROUPS IMMEDIATELY POSTINTERVENTION (P = 0.250). HOWEVER, AT 3-MONTH FOLLOW-UP, YOGA PARTICIPANTS' BREAST CANCER PREVENTION TRIAL COGNITIVE PROBLEMS SCALE SCORES WERE AN AVERAGE OF 23% LOWER THAN WAIT LIST PARTICIPANTS' SCORES (P = 0.003). THESE GROUP DIFFERENCES IN COGNITIVE COMPLAINTS REMAINED AFTER CONTROLLING FOR PSYCHOLOGICAL DISTRESS, FATIGUE, AND SLEEP QUALITY. CONSISTENT WITH THE PRIMARY RESULTS, THOSE WHO PRACTICED YOGA MORE FREQUENTLY REPORTED SIGNIFICANTLY FEWER COGNITIVE PROBLEMS AT 3-MONTH FOLLOW-UP THAN THOSE WHO PRACTICED LESS FREQUENTLY (P < 0.001). CONCLUSIONS: THESE FINDINGS SUGGEST THAT YOGA CAN EFFECTIVELY REDUCE BREAST CANCER SURVIVORS' COGNITIVE COMPLAINTS AND PROMPT FURTHER RESEARCH ON MIND-BODY AND PHYSICAL ACTIVITY INTERVENTIONS FOR IMPROVING CANCER-RELATED COGNITIVE PROBLEMS. 2015 8 1746 39 PILOT EVALUATION OF AN IYENGAR YOGA PROGRAM FOR BREAST CANCER SURVIVORS. BACKGROUND: WITH CONTINUAL IMPROVEMENTS IN SCREENING UPTAKE AND ADJUVANT CANCER TREATMENTS, THE NUMBER OF CANADIAN WOMEN SURVIVING BREAST CANCER CONTINUES TO GROW. PRELIMINARY FINDINGS SUGGEST YOGA CAN IMPROVE QUALITY OF LIFE (QOL) IN BREAST CANCER SURVIVORS, BUT FEW STUDIES HAVE FOCUSED ON IYENGAR YOGA (IY). OBJECTIVE: THE PURPOSE OF THIS PILOT STUDY WAS TO EVALUATE THE IMPACT OF IY ON QOL AND PSYCHOSOCIAL FUNCTIONING IN A SELECT SAMPLE OF BREAST CANCER SURVIVORS. METHODS: BREAST CANCER SURVIVORS (N = 24) PARTICIPATING IN IY CLASSES COMPLETED A QUESTIONNAIRE MEASURING GENERIC AND DISEASE-SPECIFIC QOL AND PSYCHOSOCIAL FUNCTIONING, BEFORE AND AFTER THE 12-WEEK CLASSES. RESULTS: POSTPROGRAM QUESTIONNAIRES WERE COMPLETED BY 17 PARTICIPANTS (71%) WHO ATTENDED AN AVERAGE OF 78.9% OF THE IY SESSIONS. SEVERAL INDICATORS OF GENERIC QOL IMPROVED SIGNIFICANTLY, INCLUDING MENTAL HEALTH (MEAN CHANGE, +4.2; P = .045), VITALITY (MEAN CHANGE, +4.9; P = .033), ROLE-EMOTIONAL (MEAN CHANGE, +6.4; P = .010), AND BODILY PAIN (MEAN CHANGE, +4.4; P = .024). OTHER IMPROVEMENTS IN QOL AND PSYCHOSOCIAL FUNCTIONING WERE MEANINGFUL BUT WERE NOT STATISTICALLY SIGNIFICANT. FINDINGS WERE FURTHER SUBSTANTIATED BY PARTICIPANT'S EVALUATION OF THE PROGRAM'S BENEFITS AND MOTIVATIONAL VALUE. CONCLUSION: IN THIS PILOT STUDY OF BREAST CANCER SURVIVORS PARTICIPATING IN IY, WE FOUND IMPROVEMENTS IN QOL AND PSYCHOSOCIAL FUNCTIONING. MOREOVER, POSITIVE PROGRAM EVALUATION AND MOTIVATIONAL PROFILE PROVIDE SUPPORT FOR THE ACCEPTABILITY OF IY WITH BREAST CANCER SURVIVORS. RANDOMIZED CONTROLLED TRIALS COMPARING IY TO USUAL CARE AND OTHER FORMS OF YOGA IN BREAST CANCER SURVIVORS ARE WARRANTED. IMPLICATIONS FOR PRACTICE: NURSES MAY CONSIDER IY AS A POSSIBLE INTERVENTION STRATEGY TO HELP BREAST CANCER SURVIVORS IMPROVE THEIR QOL AND PSYCHOSOCIAL FUNCTIONING. 2010 9 1650 53 MULTICENTER, RANDOMIZED CONTROLLED TRIAL OF YOGA FOR SLEEP QUALITY AMONG CANCER SURVIVORS. PURPOSE: THIRTY PERCENT TO 90% OF CANCER SURVIVORS REPORT IMPAIRED SLEEP QUALITY POST-TREATMENT, WHICH CAN BE SEVERE ENOUGH TO INCREASE MORBIDITY AND MORTALITY. LIFESTYLE INTERVENTIONS, SUCH AS EXERCISE, ARE RECOMMENDED IN CONJUNCTION WITH DRUGS AND COGNITIVE BEHAVIORAL THERAPY FOR THE TREATMENT OF IMPAIRED SLEEP. PRELIMINARY EVIDENCE INDICATES THAT YOGA-A MIND-BODY PRACTICE AND FORM OF EXERCISE-MAY IMPROVE SLEEP AMONG CANCER SURVIVORS. THE PRIMARY AIM OF THIS RANDOMIZED, CONTROLLED CLINICAL TRIAL WAS TO DETERMINE THE EFFICACY OF A STANDARDIZED YOGA INTERVENTION COMPARED WITH STANDARD CARE FOR IMPROVING GLOBAL SLEEP QUALITY (PRIMARY OUTCOME) AMONG POST-TREATMENT CANCER SURVIVORS. PATIENTS AND METHODS: IN ALL, 410 SURVIVORS SUFFERING FROM MODERATE OR GREATER SLEEP DISRUPTION BETWEEN 2 AND 24 MONTHS AFTER SURGERY, CHEMOTHERAPY, AND/OR RADIATION THERAPY WERE RANDOMLY ASSIGNED TO STANDARD CARE OR STANDARD CARE PLUS THE 4-WEEK YOGA INTERVENTION. THE YOGA INTERVENTION USED THE YOGA FOR CANCER SURVIVORS (YOCAS) PROGRAM CONSISTING OF PRANAYAMA (BREATHING EXERCISES), 16 GENTLE HATHA AND RESTORATIVE YOGA ASANAS (POSTURES), AND MEDITATION. PARTICIPANTS ATTENDED TWO 75-MINUTE SESSIONS PER WEEK. SLEEP QUALITY WAS ASSESSED BY USING THE PITTSBURGH SLEEP QUALITY INDEX AND ACTIGRAPHY PRE- AND POSTINTERVENTION. RESULTS: IN ALL, 410 SURVIVORS WERE ACCRUED (96% FEMALE; MEAN AGE, 54 YEARS; 75% HAD BREAST CANCER). YOGA PARTICIPANTS DEMONSTRATED GREATER IMPROVEMENTS IN GLOBAL SLEEP QUALITY AND, SECONDARILY, SUBJECTIVE SLEEP QUALITY, DAYTIME DYSFUNCTION, WAKE AFTER SLEEP ONSET, SLEEP EFFICIENCY, AND MEDICATION USE AT POSTINTERVENTION (ALL P