Featured Publications
Weighty decisions: How symptom severity and weight impact perceptions of bulimia nervosa
Galbraith K, Elmquist J, White MA, Grilo CM, Lydecker JA. Weighty decisions: How symptom severity and weight impact perceptions of bulimia nervosa. International Journal Of Eating Disorders 2019, 52: 1035-1041. PMID: 31240769, PMCID: PMC6779161, DOI: 10.1002/eat.23125.Peer-Reviewed Original ResearchConceptsBulimia nervosaSymptom frequencySerious mental health concernsMental health concernsPatient weightWeight statusMental illnessSymptom severityOverweightYoung womenHealth concernWeight stigmaSignificant differencesPatientsNervosaCurrent studyParticipantsVariables of interestIllnessNegative attitudesSeverityWomenFood insecurity and bulimia nervosa in the United States
Lydecker JA, Grilo CM. Food insecurity and bulimia nervosa in the United States. International Journal Of Eating Disorders 2019, 52: 735-739. PMID: 30920683, PMCID: PMC6555671, DOI: 10.1002/eat.23074.Peer-Reviewed Original ResearchI didn't want them to see: Secretive eating among adults with binge‐eating disorder
Lydecker JA, Grilo CM. I didn't want them to see: Secretive eating among adults with binge‐eating disorder. International Journal Of Eating Disorders 2019, 52: 153-158. PMID: 30623972, PMCID: PMC6368878, DOI: 10.1002/eat.23002.Peer-Reviewed Original ResearchConceptsBody mass indexBinge-eating disorderEating-disorder psychopathologyObjective binge-eating episodesSecretive eatingBinge-eating episodesGreater eating-disorder psychopathologyGreater body mass indexHigher depression scoresClinical characteristicsMass indexTreatment-seeking adultsDepression scoresPatientsShape/weightWeight concernsAdultsEatingSelf-report measuresDisordersShape concernsEpisodesGreater proportionPsychopathologyTreatment formulationDriven exercise in the absence of binge eating: Implications for purging disorder
Lydecker JA, Shea M, Grilo CM. Driven exercise in the absence of binge eating: Implications for purging disorder. International Journal Of Eating Disorders 2017, 51: 139-145. PMID: 29215743, PMCID: PMC5796839, DOI: 10.1002/eat.22811.Peer-Reviewed Original ResearchConceptsEating-disorder psychopathologyClinical significancePhysical activityCompensatory behaviorsBinge-eating episodesAbsence of bingeEating Disorder PsychopathologyLower depression levelsLow-frequency thresholdsWeb-based surveyDepression levelsSmall sample sizeHigher depressionOverall frequencyLaxativesTreatment researchMost domainsExerciseBingePsychopathologyDisordersDepressionParticipantsSimilar levelsFurther supportForm and Formulation: Examining the Distinctiveness of Body Image Constructs in Treatment-Seeking Patients With Binge-Eating Disorder
Lydecker JA, White MA, Grilo CM. Form and Formulation: Examining the Distinctiveness of Body Image Constructs in Treatment-Seeking Patients With Binge-Eating Disorder. Journal Of Consulting And Clinical Psychology 2017, 85: 1095-1103. PMID: 29083224, PMCID: PMC5679782, DOI: 10.1037/ccp0000258.Peer-Reviewed Original ResearchConceptsBody image variablesBody image disturbanceBody image constructsBinge-eating disorderImage constructImage variablesWeight/shape overvaluationBinge-eating frequencyInvestigator-based interviewBiopsychosocial featuresEating-disorder psychopathologyTreatment-seeking patientsShape preoccupationShape dissatisfactionShape overvaluationShape concernsCore aspectsCurrent studyTreatment formulationConstructsImportant distinctionDifferent aspectsOvervaluationPreoccupationDisordersDoes your child's weight influence how you judge yourself as a parent? A cross-sectional study to define and examine parental overvaluation of weight/shape
Lydecker JA, Grilo CM. Does your child's weight influence how you judge yourself as a parent? A cross-sectional study to define and examine parental overvaluation of weight/shape. Preventive Medicine 2017, 105: 265-270. PMID: 28987340, PMCID: PMC5659758, DOI: 10.1016/j.ypmed.2017.10.009.Peer-Reviewed Original ResearchConceptsWeight/shapeParental overvaluationPersonal weightEating-disorder psychopathologyBinge-eating disorderEating PsychopathologyParent psychopathologyPediatric obesityDearth of researchChild weightCross-sectional designParental attitudesPsychopathologyImportant psychopathologyDisorder treatmentCross-sectional studyParentsCurrent studyIntegral stakeholdersWeight influenceOvervaluationClinical attentionChild BMIChild healthRelated conceptsChildren of parents with BED have more eating behavior disturbance than children of parents with obesity or healthy weight
Lydecker JA, Grilo CM. Children of parents with BED have more eating behavior disturbance than children of parents with obesity or healthy weight. International Journal Of Eating Disorders 2016, 50: 648-656. PMID: 27859458, PMCID: PMC5429220, DOI: 10.1002/eat.22648.Peer-Reviewed Original ResearchConceptsBinge-eating disorderChild weightChildren's bingeEating-disorder psychopathologyHigher child weightCross-sectional findingsChild overweightProspective confirmationChildren's eatingChild feedingChild overeatingDietary restrictionObesityClinical interventionsPrevention effortsEating Disorder BehaviorsDisordersBingePreliminary evidencePotential factorsEatingCurrent studyLimited literatureCore featuresOBCognitive‐behavioral therapy for binge‐eating disorder for non‐responders to initial acute treatments: Randomized controlled trial
Grilo C, Lydecker J, Gueorguieva R. Cognitive‐behavioral therapy for binge‐eating disorder for non‐responders to initial acute treatments: Randomized controlled trial. International Journal Of Eating Disorders 2023, 56: 1544-1553. PMID: 37144325, PMCID: PMC10524840, DOI: 10.1002/eat.23975.Peer-Reviewed Original ResearchConceptsInitial acute treatmentBinge-eating disorderCognitive behavioral therapyAcute treatmentBinge-eating frequencyInitial interventionTherapist-led cognitive behavioural therapyInitial pharmacological treatmentTreat remission ratesEvidence-based treatmentsSingle-site trialAcute efficacyRemission rateAdult patientsInitial treatmentPharmacological treatmentPatientsPosttreatment assessmentBehavioral treatmentSufficient benefitTherapyDisordersInterventionTreatmentPharmacotherapy
2023
Naltrexone plus bupropion combination medication maintenance treatment for binge-eating disorder following successful acute treatments: randomized double-blind placebo-controlled trial
Grilo C, Lydecker J, Gueorguieva R. Naltrexone plus bupropion combination medication maintenance treatment for binge-eating disorder following successful acute treatments: randomized double-blind placebo-controlled trial. Psychological Medicine 2023, 53: 7775-7784. PMID: 37366017, PMCID: PMC10751383, DOI: 10.1017/s0033291723001800.Peer-Reviewed Original ResearchConceptsNaltrexone/bupropionBinge-eating disorderBinge-eating remissionAcute treatmentMaintenance treatmentBinge-eating frequencyDouble-blind placebo-controlled trialBehavioral weight loss therapyWeight lossCo-occurring obesitySuccessful acute treatmentPlacebo-controlled trialWeight loss therapySignificant additional weight lossSingle-site trialAdditional weight lossAcute efficacyRemission rateAdult patientsComorbid obesityBupropionInitial interventionPosttreatment assessmentRespondersPlaceboLoss of control in binge‐eating disorder: Fear and resignation
Perelman H, Gilbert K, Grilo C, Lydecker J. Loss of control in binge‐eating disorder: Fear and resignation. International Journal Of Eating Disorders 2023, 56: 1199-1206. PMID: 36920120, PMCID: PMC10247475, DOI: 10.1002/eat.23929.Peer-Reviewed Original ResearchConceptsBinge-eating disorderCognitive-affective experiencesLoss of controlModerate treatment outcomeBinge-eating episodesEating-disorder psychopathologyTreatment-seeking patientsFuture researchAbsence of fearGreater distressPsychopathologyFearSevere psychopathologyResearch cliniciansSemistructured interviewsTreatment formulationPast monthDisordersResignationTreatment outcomesExperienceBlack individualsEmotionsTreatment planningIndividuals
2022
Associations between average step counts, variability in step counts and nonhomeostatic eating
Kerrigan SG, Carr MM, Lawson JL, Lydecker JA, Grilo CM. Associations between average step counts, variability in step counts and nonhomeostatic eating. Eating And Weight Disorders - Studies On Anorexia, Bulimia And Obesity 2022, 27: 2165-2171. PMID: 35107825, PMCID: PMC9288421, DOI: 10.1007/s40519-022-01362-1.Peer-Reviewed Original ResearchConceptsReward-driven eatingNonhomeostatic eatingEmotional eatingIntraindividual variabilitySelf-report measuresGreater average levelsEatingCross-sectional correlation studyAverage levelLow intraindividual variabilityMethodsAdult participantsWeight outcomesComplex associationRelevant covariatesPA monitorParticipantsStep countAverage daily step countAssociationDaily stepsPhysical activity levelsOutcomesMeasuresActivity levelsHypothesisDigital self-harm is associated with disordered eating behaviors in adults
Lydecker JA, Grilo CM, Hamilton A, Barnes RD. Digital self-harm is associated with disordered eating behaviors in adults. Eating And Weight Disorders - Studies On Anorexia, Bulimia And Obesity 2022, 27: 2129-2136. PMID: 35066861, PMCID: PMC9288535, DOI: 10.1007/s40519-021-01355-6.Peer-Reviewed Original ResearchConceptsEating-disorder psychopathologyCase–control analytic studiesSelf-harm behaviorsSocial interactionPsychopathologyEvidenceLevel IIIOnline cross-sectional surveyMean thingFirst studyCurrent studyAdultsDemographic characteristicsParticipantsAge-matched controlsFurther researchAnalytic studyCross-sectional surveyBehaviorMethodsParticipantsYouthResearchIndividuals
2021
Examination of night eating and loss-of-control eating following bariatric surgery
Ivezaj V, Lawson JL, Lydecker JA, Duffy AJ, Grilo CM. Examination of night eating and loss-of-control eating following bariatric surgery. Eating And Weight Disorders - Studies On Anorexia, Bulimia And Obesity 2021, 27: 207-213. PMID: 33730344, PMCID: PMC8925302, DOI: 10.1007/s40519-021-01156-x.Peer-Reviewed Original ResearchConceptsPittsburgh Sleep Quality IndexNight Eating QuestionnaireNight-eating syndromeBariatric surgeryNight eatingSleeve gastrectomyPoor post-operative outcomesPercent total weight lossPost-bariatric patientsPost-operative outcomesLong-term outcomesNegative prognostic indicatorSleep Quality IndexEating Disorder Examination interviewEating-disorder psychopathologyNight-eating behaviorsBeck Depression InventoryClinical featuresPSQI scoresPrognostic indicatorPoor sleepSevere subgroupBDI-IIDepression InventoryTotal weight loss
2020
Distinctiveness and significance of body dissatisfaction and overvaluation among Latinx/Hispanic and White men and women
Lydecker JA, Cotter EW, Grilo CM. Distinctiveness and significance of body dissatisfaction and overvaluation among Latinx/Hispanic and White men and women. International Journal Of Eating Disorders 2020, 54: 354-364. PMID: 33247450, PMCID: PMC7956228, DOI: 10.1002/eat.23413.Peer-Reviewed Original ResearchConceptsOvervaluation of weightBody image constructsDisorder psychopathologyWeight-related variablesBody imageImage constructBinge-eating frequencyAssociation of dissatisfactionBody dissatisfactionOnline batteryPsychopathologyWhite individualsCultural variablesDissatisfactionMain effectOvervaluationDepressionImportant distinctionDistinctivenessConstructsIndividualsFurther researchHispanic individualsHispanic adultsParticipantsNaltrexone + Bupropion Combination for the Treatment of Binge-eating Disorder with Obesity: A Randomized, Controlled Pilot Study
Grilo CM, Lydecker JA, Morgan PT, Gueorguieva R. Naltrexone + Bupropion Combination for the Treatment of Binge-eating Disorder with Obesity: A Randomized, Controlled Pilot Study. Clinical Therapeutics 2020, 43: 112-122.e1. PMID: 33218742, PMCID: PMC7902424, DOI: 10.1016/j.clinthera.2020.10.010.Peer-Reviewed Original ResearchConceptsBinge-eating disorderEating-disorder psychopathologyPilot RCTTreatment of BEDOutcome time pointDouble-blind treatmentPercentage of patientsControlled Pilot StudyDiscontinuation of medicationTreatment of bingeEvidence-based treatmentsBinge-eating frequencyBupropion combinationAdult patientsAdverse eventsComorbid obesitySecondary outcomesPrimary outcomeAcute effectsFunctional impairmentPlaceboLong-term effectsPatientsMost outcomesObesityInterrater reliability of the Eating Disorder Examination among postbariatric patients
Wiedemann AA, Ivezaj V, Lawson JL, Lydecker JA, Cooper Z, Grilo CM. Interrater reliability of the Eating Disorder Examination among postbariatric patients. Surgery For Obesity And Related Diseases 2020, 16: 1988-1993. PMID: 32933867, PMCID: PMC7704555, DOI: 10.1016/j.soard.2020.07.032.Peer-Reviewed Original ResearchConceptsEating Disorder ExaminationIntraclass correlation coefficientEating-disorder psychopathologyBariatric surgerySurgery patientsInterrater reliabilityPostoperative bariatric surgery patientsDisorder ExaminationPostbariatric surgery patientsBariatric surgery patientsBariatric surgery sampleBinge-eating episodesSemistructured clinical interviewPostbariatric patientsBariatric patientsConsecutive seriesClinical assessmentSurgery samplesClinical InterviewPatientsSymptom presentationKappa agreementInitial evaluationEDE subscalesExpert ratersDoes Bariatric Binge‐Eating Size Matter? Conceptual Model and Empirical Support
Ivezaj V, Lydecker JA, Wiedemann AA, Duffy AJ, Grilo CM. Does Bariatric Binge‐Eating Size Matter? Conceptual Model and Empirical Support. Obesity 2020, 28: 1645-1651. PMID: 32729221, PMCID: PMC7484317, DOI: 10.1002/oby.22876.Peer-Reviewed Original ResearchConceptsEating Disorder Examination-Bariatric Surgery Version interviewBariatric surgeryEpisode groupBinge sizeFunctional impairmentDepressive symptomsNew classification systemMental health-related qualityLoss of controlPostsurgical bariatric patientsSurgery 6 monthsHealth-related qualityCross-sectional studyBinge-eating episodesQuality of lifeObjective binge-eating episodesBariatric patientsClinical outcomesEating Disorder PsychopathologyBinge-eating groupBinge eatingSurgeryClassification systemDistinct psychopathologySymptomsInternalized weight bias and loss-of-control eating following bariatric surgery
Lawson JL, LeCates A, Ivezaj V, Lydecker J, Grilo CM. Internalized weight bias and loss-of-control eating following bariatric surgery. Eating Disorders 2020, 29: 630-643. PMID: 32182194, PMCID: PMC7494529, DOI: 10.1080/10640266.2020.1731920.Peer-Reviewed Original ResearchConceptsEating Disorder Examination-Bariatric Surgery Version interviewEating-disorder psychopathologyBariatric surgeryWeight biasGreater eating-disorder psychopathologyPercent excess weight lossEating Disorder FeaturesInternalized weight biasExcess weight lossHierarchical regression analysisControl eatingPsychosocial difficultiesGastrectomy patientsAdult patientsClinical presentationGastrectomy surgeryPrognostic significanceWeight concernsClinical correlatesEstablished measuresNon-White participantsSurgeryPatientsPsychopathologyMental qualityTesting the Validity and Clinical Utility of the Severity Specifiers for Binge-Eating Disorder for Predicting Treatment Outcomes
Lydecker JA, Ivezaj V, Grilo CM. Testing the Validity and Clinical Utility of the Severity Specifiers for Binge-Eating Disorder for Predicting Treatment Outcomes. Journal Of Consulting And Clinical Psychology 2020, 88: 172-178. PMID: 31894997, PMCID: PMC7286612, DOI: 10.1037/ccp0000464.Peer-Reviewed Original ResearchConceptsBinge-eating disorderCognitive behavioral therapyBehavioral weight lossSeverity specifiersSelf-report measuresTreatment-seeking individualsBinge-eating frequencyBinge Eating DisorderEating-disorder psychopathologyClinical utilityTreatment outcomesSeverity categoriesPredicting Treatment OutcomeWeight lossFuture researchMain effectDepression scoresStatistical ManualParticipantsTesting treatmentsMultimodal treatmentPharmacological treatmentTreatment responseMedical CenterLarge series
2019
Getting a head start: identifying pretreatment correlates associated with early weight loss for individuals participating in weight loss treatment
Wiedemann AA, Baumgardt SS, Ivezaj V, Kerrigan SG, Lydecker JA, Grilo CM, Barnes RD. Getting a head start: identifying pretreatment correlates associated with early weight loss for individuals participating in weight loss treatment. Translational Behavioral Medicine 2019, 11: 236-243. PMID: 31816053, PMCID: PMC7877303, DOI: 10.1093/tbm/ibz149.Peer-Reviewed Original ResearchConceptsEarly weight lossWeight loss treatmentUsual careWeight lossLow pretreatmentDepressive symptomsWeek sixMeaningful weight lossPrimary care settingBinge-eating disorder diagnosisEating Disorder Examination interviewGreater weight lossNutrition psychoeducationTreatment cessationPercent weight lossPrimary careNPC groupObesity rangeLoss treatmentEmotional overeatingExamination interviewDisorder diagnosisPretreatment correlatesMotivational interviewingTreatment