| Not Yet Recruiting | Nostalgia Intervention on Alleviating Loneliness Amongst Older Adults NCT07288671 | Chinese University of Hong Kong | N/A |
| Not Yet Recruiting | CommunityRx-Dementia + Peer Navigation (CRxDpeer) NCT07346183 | University of Chicago | N/A |
| Not Yet Recruiting | Engage Coaching (R33 Phase) NCT07488559 | University of Rochester | N/A |
| Not Yet Recruiting | Developing and Testing a Machine Learning Enabled Mindfulness Intervention for Reducing Loneliness Among Hong NCT07308613 | Education University of Hong Kong | N/A |
| Not Yet Recruiting | Sauna for Offline Connections and Interactive, Authentic Living NCT07223099 | University of California, San Francisco | N/A |
| Not Yet Recruiting | Community-Based Social Connection Intervention Program to Improve Cardiovascular and Brain Health NCT07319663 | Universidad de Especialidades Espiritu Santo | N/A |
| Not Yet Recruiting | Activating Social Resources in Psychotherapy-Seeking Individuals: Effectiveness and Timing of a Social Support NCT07471529 | University of Zurich | N/A |
| Not Yet Recruiting | Alleviating Loneliness in Older Adults Living in Poverty: A Multi-level Intervention NCT07123064 | Education University of Hong Kong | N/A |
| Not Yet Recruiting | The Role of Solo Music Listening in Reducing Loneliness and Increasing Social Connectedness in Older Adults NCT07494604 | Toronto Metropolitan University | N/A |
| Recruiting | Social Media Diet and Psychological Outcomes in University Students NCT07473791 | Gümüşhane Universıty | N/A |
| Enrolling By Invitation | Adapting and Pilot Testing a Loneliness Intervention for Cancer Survivors NCT07418437 | University of Washington | N/A |
| Not Yet Recruiting | Loneliness as Risk Factor for Dementia NCT07211945 | Consorci Sanitari de l'Alt Penedès i Garraf | — |
| Enrolling By Invitation | The Effects of Group Music Therapy on the Emotional Health of Residents in Long-Term Care Facilities: A Pilot NCT07536360 | Yu Chia Chang | N/A |
| Recruiting | Lonely in Depression NCT07333027 | Friedrich-Alexander-Universität Erlangen-Nürnberg | — |
| Not Yet Recruiting | Evaluation of the Readiness Supportive Leadership Training - National Guard NCT07203170 | Oregon Health and Science University | N/A |
| Active Not Recruiting | The Impact of Social Worker Referrals on Diabetes and Loneliness NCT07486050 | University of Toronto | N/A |
| Active Not Recruiting | An Innovative App-based Intervention to Promote Social Connectedness and Well-being in Older Adults NCT07443813 | University of Padova | N/A |
| Not Yet Recruiting | Postpartum Education Via Artificial Intelligence for Recovery and Loneliness: A Randomized Controlled Trial NCT07223736 | University of California, San Diego | N/A |
| Recruiting | Cohort Study on Medical Students' Mental Health NCT07305701 | Centre Hospitalier Régional d'Orléans | — |
| Not Yet Recruiting | Healing Hearts of Hospitalized Patients NCT06935604 | Stanford University | N/A |
| Recruiting | Testing Adapted Self-Help Plus (SH+) for Stress and Well-Being in International Students at a U.S. University NCT07188467 | The New School | N/A |
| Not Yet Recruiting | INcreasing Adolescent Social and Community SupporT - Full Trial NCT07154225 | University College, London | N/A |
| Recruiting | Physiological, Hormonal, and DNA-based Mechanisms of Psychosocial Stress and Therapeutic Effect NCT07152652 | University of Helsinki | N/A |
| Recruiting | Evaluating and Implementing The CONNECT Program - a Group-Based Telehealth Intervention to Reduce Social Isola NCT07107906 | University of Manitoba | N/A |
| Recruiting | A Novel Conditioning Approach to Counter Loneliness in Adults NCT06521099 | Education University of Hong Kong | N/A |
| Recruiting | A Virtual Life Story Club Intervention to Improve Loneliness and Apathy in Community-Dwelling Older Adults NCT06919094 | Montefiore Medical Center | N/A |
| Recruiting | Fostering Agricultural Relationships and Meaning - Thriving on Kinship NCT07218965 | Ohio State University | N/A |
| Recruiting | Effectiveness Evaluation of Social Prescribing NCT07029334 | Hvidovre University Hospital | — |
| Enrolling By Invitation | Occupational Therapy for Mental Health and Engagement in Neurorehabilitation NCT07375485 | Colorado State University | N/A |
| Recruiting | Reducing Loneliness Among Older Adults Through Enhancing Positive Affect NCT07021872 | Education University of Hong Kong | N/A |
| Recruiting | Enhancing Internet-Delivered Cognitive Behaviour Therapy With Additional Content NCT07095582 | University of Regina | N/A |
| Completed | The Effect of Positive Psychotherapy-Based Self-Compassion Training on Internalized Stigma, Loneliness, and Em NCT07124104 | Cukurova University | N/A |
| Enrolling By Invitation | Keep Social Study for Young Adults NCT07005817 | University of North Carolina, Chapel Hill | N/A |
| Active Not Recruiting | A Randomized Controlled Trial of Robotic Support for Enhanced Later Life (RoSELL) NCT07102017 | Shanghai Jiao Tong University School of Medicine | N/A |
| Recruiting | Interventions to Promote Well-being and Social Relationships Among University Students NCT07147712 | University of Padova | N/A |
| Not Yet Recruiting | PALLIATIVE ASSESSMENT COHORT IN THE GERIATRIC EMERGENCY SETTING NCT06911411 | University Hospital Bispebjerg and Frederiksberg | — |
| Recruiting | Geriatric Trauma Care Program for Living Alone Older Adults With Injuries NCT06902636 | Kaohsiung Medical University | N/A |
| Recruiting | Improving Social Connectedness Through Digital Health to Enhance Recovery from OUD Among the Justice Involved NCT06896656 | Rhode Island Hospital | N/A |
| Recruiting | Meditation and Psychophysical Well-Being in Elderly NCT06872502 | University of Pavia | N/A |
| Active Not Recruiting | Efficacy of a Dog Assisted Group Intervention in Elderly with Unwanted Loneliness NCT06860412 | Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina | N/A |
| Recruiting | Establishing Social Connections in Urban Areas: Evaluating a Community-based Programme NCT06805136 | Queen Mary University of London | N/A |
| Active Not Recruiting | Love Group for Geriatric Psychiatry Outpatients NCT06424483 | London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | N/A |
| Not Yet Recruiting | Art Therapy for Enhancing Well-Being in Solitary Older Adults NCT06763757 | National Taiwan University Hospital | N/A |
| Not Yet Recruiting | Acceptance and Commitment Therapy-based Intervention for Loneliness Among Older Adults Living Alone NCT06719843 | Chinese University of Hong Kong | N/A |
| Recruiting | Brightline: Advancing Mental Health on Campus NCT06770075 | Nanyang Technological University | — |
| Completed | Planetary Health and Loneliness NCT06004531 | Jacobs University Bremen gGmbH | N/A |
| Completed | The Role of Nurses in Video-Based Communication to Reduce Loneliness in Intensive Care Unit Patients NCT07072078 | Universitas Padjadjaran | N/A |
| Completed | The Effect of Laughter Yoga on Loneliness, Anger and Salivary Cortisol Levels in Visually Impaired Individuals NCT06308601 | Ege University | N/A |
| Completed | Reducing Loneliness Among Older Adults in Hong Kong by Volunteer-delivered Mindfulness and Behavioral Activati NCT07283549 | Education University of Hong Kong | N/A |
| Completed | Technology Exposure and Child Health: Wellness Impact and Social Effects: An Observational Product Registry St NCT06664944 | Aura | — |
| Active Not Recruiting | INcreasing Adolescent Social and Community SupporT - Pilot NCT06656663 | University College, London | N/A |
| Completed | Beyond Older Adults' Reablement. NCT06616935 | The University of Northampton | N/A |
| Recruiting | Treating Loneliness In The Older Adult With Depression With tDCS NCT06658795 | Guangzhou Psychiatric Hospital | N/A |
| Recruiting | Need to be Needed (N2BN) Intervention NCT06510439 | Temple University | N/A |
| Active Not Recruiting | Effectiveness of a Mobile Application in Improving Employees' Social Well-being. NCT06495801 | University of Eastern Finland | N/A |
| Recruiting | Intervening on Opioid Use and Loneliness NCT06458335 | University of Rochester | N/A |
| Not Yet Recruiting | Community Navigators NCT06594029 | Temple University | N/A |
| Completed | Decreasing Loneliness to Optimize Pain Care NCT06285032 | University of Washington | N/A |
| Enrolling By Invitation | Evaluating Implementation and Impact of the Adapted Choose to Move (CTM) Program NCT06252259 | University of British Columbia | N/A |
| Completed | Auditory-Cognitive Dual-Task Intervention for Older Adults With Hearing Loss NCT06486285 | The Hong Kong Polytechnic University | N/A |
| Not Yet Recruiting | An Awareness, Courage, and Love Intervention to Help Chinese Older Adults in the Post-pandemic Era NCT06524206 | Caritas Institute of Higher Education | N/A |
| Completed | Dementia Caregivers and Contemplative Practice: A Pilot Study NCT06075329 | University of Nevada, Las Vegas | N/A |
| Enrolling By Invitation | Evaluating an Enhanced Home-delivered Meal Program on Older Adults' Health and Well-being NCT06401694 | University of Connecticut | N/A |
| Not Yet Recruiting | Global Controlled Trial on Effects of an Online Self-Help Program for of Ambitious Altruists on Their Mental H NCT06442072 | Rethink Wellbeing | N/A |
| Recruiting | Maternal Well-being in the Perinatal Period NCT06473935 | IRCCS San Raffaele | — |
| Recruiting | Stroke Rehabilitation Utilizing Therapeutical Methods Designed for Nature Environments NCT06633146 | Joint Authority for Päijät-Häme Social and Health Care | N/A |
| Not Yet Recruiting | Nature-Oriented Chatbots on Older Adults' Mental Health NCT06423027 | Taipei Medical University | N/A |
| Recruiting | The Effect of Home Visit Supported Nursing Education Program on Some Parameters in Elderly People Living Alone NCT06517615 | Kastamonu University | N/A |
| Completed | Reducing Loneliness of Older Adults in Long Term Care Facilities Through Collaborative Augmented Realities NCT06179225 | Vanderbilt University | N/A |
| Recruiting | A Digital Active Aging Training Program for Older Adults NCT06270862 | Toronto Metropolitan University | N/A |
| Unknown | Study of the Impact of a Social Robot on Unwanted Loneliness in Elderly People Living in Nursing Homes NCT06344676 | Sara Domenech | N/A |
| Completed | The Effect of Horticultural Therapy on Loneliness and Life Satisfaction in Elderly Adults Living in Nursing Ho NCT06311825 | Istanbul University - Cerrahpasa | N/A |
| Completed | Reduce Loneliness in Care Partners of Persons With AD/ADRD NCT05460494 | Northwell Health | N/A |
| Active Not Recruiting | Loneliness Group Intervention NCT05619718 | London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | N/A |
| Completed | Impact of COPD on Sexual Health, Loneliness, and Well-being NCT06240078 | Vejle Hospital | — |
| Completed | Food as Medicine for Families NCT06160973 | University of North Carolina, Chapel Hill | N/A |
| Completed | SALSA (Health, Food and Sociability): Community Networks for Healthy Eating, Autonomy, and Social Interaction NCT06800027 | Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina | N/A |
| Completed | VOICES Socials for Older Veterans With Depression NCT06145334 | VA Office of Research and Development | N/A |
| Recruiting | Music Program for Hong Kong Adolescents: Improving Emotion Regulation and Reducing Depression, Anxiety, and Lo NCT06147297 | The University of Hong Kong | N/A |
| Completed | Modifiers and Mechanisms of Loneliness Interventions NCT05812989 | University of Rochester | N/A |
| Unknown | Use of a Voice Assistant to Improve Mental Health in Older People NCT06070402 | University of Valencia | N/A |
| Active Not Recruiting | Dynamic Neural Systems Underlying Social-emotional Functions in Older Adults NCT05645835 | University of California, San Francisco | N/A |
| Enrolling By Invitation | Evaluating Implementation and Impact of Provincial Scale-up of the Adapted Choose to Move (CTM) Program NCT06446414 | University of British Columbia | N/A |
| Completed | Digital Gaming Intervention for Older People in Long-term Care NCT06018974 | University of Oulu | N/A |
| Recruiting | LEAPTogether: An Intergenerational Intervention to Address Loneliness and Social Isolation NCT05831475 | Cedars-Sinai Medical Center | N/A |
| Enrolling By Invitation | Provincial Scale-up of Choose to Move (CTM) Phase 4 NCT06434298 | University of British Columbia | N/A |
| Unknown | BLOOM: Boldly Living outdOOrs for Mental Health NCT05973123 | University of California, San Francisco | N/A |
| Completed | The Impact of a Telephone Reminiscence Program NCT05977608 | University of Connecticut | N/A |
| Completed | Study 1: Social Engage Coaching R61 Phase NCT05745493 | University of Rochester | N/A |
| Completed | Loving Kindness Meditation Among Adults 50 Years and Older NCT05350449 | University of Nevada, Las Vegas | N/A |
| Unknown | Social Prescribing in Sweden (SPiS) NCT04336553 | Umeå University | N/A |
| Completed | Cognitive Stimulation Therapy NCT05808530 | Hasan Kalyoncu University | N/A |
| Completed | Increasing Social Connection Through Crisis Caring Contacts: A Pragmatic Trial NCT05484297 | VA Office of Research and Development | N/A |
| Completed | A Multimodal Intervention for Community-dwelling Individuals With Unwanted Loneliness NCT06382181 | University of Valencia | N/A |
| Active Not Recruiting | Testing a Nature-based Socila Intevention on Loneliness: the RECETAS-PRG Trial NCT05522140 | Vladimíra Dostálová | N/A |
| Completed | The Feasibility, Acceptability and Preliminary Efficacy of a Group Intervention to Reduce Loneliness NCT05831813 | University of Amsterdam | N/A |
| Active Not Recruiting | A Trial of a Positive Psychology Intervention for Older Adults (RESET) NCT05451589 | University of Michigan | N/A |
| Active Not Recruiting | Testing a Nature-based Social Intervention on Loneliness: the RECETAS-BCN Trial NCT05488496 | University of Vic - Central University of Catalonia | N/A |
| Recruiting | Compartiendo Salud: Community-Based Intervention for Loneliness NCT06829758 | Servicio Canario de Salud | N/A |
| Active Not Recruiting | Effects of Nature-based Group Intervention on Quality-of-life in Lonely Older People Living in Assisted Living NCT05507684 | University of Helsinki | N/A |
| Unknown | The Effect of Animal Assisted Activity to Elderly NCT05724927 | Atlas University | N/A |
| Unknown | Interventions to Reduce Loneliness in Elderly Patients in the Cardiac ICU (CICU) NCT05764902 | Poriya Medical Center | N/A |
| Completed | A Mixed Methods Randomized Controlled Trial Evaluating the Hans Kai Program NCT03949725 | University of Manitoba | N/A |
| Completed | Impact of Pulmonary Rehabilitation on Loneliness in COPD NCT05435963 | McMaster University | N/A |
| Completed | Empower@Home:Connected - Feasibility and Preliminary Effect Study NCT05732740 | University of Michigan | N/A |
| Completed | Better Together Physician Coaching to Mitigate Burnout Amongst Clinicians NCT05635448 | University of Colorado, Denver | N/A |
| Completed | Chronic Pain in the General Population of Chile NCT06353100 | Pontificia Universidad Catolica de Chile | — |
| Completed | SSIs for Mental Health and Loneliness NCT05687162 | University of California, Irvine | N/A |
| Unknown | The Effects of Transcranial Direct Current Stimulation (tDCS) in Older Lonely Individuals NCT05937022 | The University of Hong Kong | N/A |
| Unknown | Effectiveness of a Communication Device in Home Care Services in Norway: Does Komp Make Older Adults Feel Happ NCT05919355 | Oslo Metropolitan University | N/A |
| Unknown | Impact of the HELPeN Program on Social Isolation in Community-dwelling Elders (HELPeN) NCT05644288 | MARIA RUZAFA MARTINEZ | N/A |
| Active Not Recruiting | Adaptive Music Therapy for Psychosocial and Cognitive Functions of Older Adults NCT05447312 | Toronto Metropolitan University | N/A |
| Completed | The Social Engagement Project: Addressing Isolation with Women Affected by Violence NCT05574192 | University of British Columbia | N/A |
| Completed | Evaluability and Feasibility of the eHOOD Intervention NCT07489365 | Center for Clinical Research and Prevention | N/A |
| Completed | The Impact of Dyad Exercises on Well-being and Connection in Young Adults NCT05490979 | University of Pennsylvania | N/A |
| Unknown | Telematic Support Group in Patients With Feelings of Loneliness and Social Isolation NCT05520450 | Corporacion Parc Tauli | — |
| Withdrawn | myHealthHub for Older Adult Inpatients NCT05450445 | Lady Davis Institute | N/A |
| Withdrawn | Humanoid Robot vs Treatment as Usual for Loneliness NCT05423899 | Lady Davis Institute | N/A |
| Completed | Loneliness and Health Outcomes in the High Need Population NCT05484258 | Vanderbilt University Medical Center | N/A |
| Completed | Effects of Tactile Massage in Long-Term Care Facilities NCT05052138 | Taipei Medical University | N/A |
| Completed | Combatting Social Isolation in Older Adults NCT05426837 | Florida State University | N/A |
| Completed | Is Signposting to Online Peer Support Helpful in Decreasing Loneliness in Parents of Children With Long-term C NCT05373121 | University College, London | N/A |
| Completed | Culture and Well-Being for Latinos NCT05244733 | University of Rochester | N/A |
| Completed | Older Adults' Perceptions of the Impact COVID-19 Pandemic NCT05379426 | Rsocialform - Geriatria, Lda | — |
| Completed | Map of Unwanted Loneliness NCT06167252 | José Joaquín Mira Solves | — |
| Completed | Emotional Wellbeing in Diabetes NCT05140551 | King's College London | N/A |
| Active Not Recruiting | The Presence of Humanoid Robot With Older Adults at Homes NCT06487611 | The Hong Kong Polytechnic University | N/A |
| Completed | The Loneliness Epidemic Tailoring Interventions to Reduce Loneliness and Pain NCT05387447 | University of Nebraska | N/A |
| Completed | Compassion Training and Mindfulness Training for Social Well-Being and Mental Health NCT05227794 | Yale University | N/A |
| Completed | Dance and Movement Therapy Techniques in Elderly People NCT05655455 | Amasya University | N/A |
| Completed | The Impact of Heartfulness Self-Care Program on Anxiety, Satisfaction With Life, and Loneliness Levels in Stud NCT05874232 | Heartfulness Institute | N/A |
| Withdrawn | The CONNECT Program: Testing a Telephone-Based Mental Health Intervention for Older Adults NCT05120765 | University of Manitoba | N/A |
| Completed | Twitter Based Social Support for Hispanic and Black Dementia Caregivers NCT03865498 | Columbia University | N/A |
| Unknown | The Complementary Contributions of Sensory Stimulation and Social Support During Snoezelen Room Therapy on the NCT05394389 | Pavel Goldstein | N/A |
| Completed | A Pilot Study to Examine the Impact of a Therapy Dog Intervention on Loneliness and Related Health Outcomes in NCT05089201 | Virginia Commonwealth University | N/A |
| Unknown | COVID-19 and Social Isolation and Loneliness Trial NCT05228782 | Mount Sinai Hospital, Canada | N/A |
| Unknown | Intergenerational Program for Social Isolation and Loneliness in Older Adults Discharged From the Emergency De NCT05998343 | Mount Sinai Hospital, Canada | N/A |
| Completed | Motivational Interviewing Technique on Loneliness Levels in University Students Aged 18-25 Living Far From Hom NCT05356455 | KTO Karatay University | N/A |
| Completed | Feasibility of Remote Home Support Coaches (SOCIAL Study) NCT04772820 | Brigham and Women's Hospital | N/A |
| Completed | Technology and Family Thriving Study NCT05150990 | University of California, Santa Barbara | N/A |
| Unknown | Virtual Yoga for Social Isolation and Loneliness in Rural Veterans NCT05431166 | Oregon Health and Science University | N/A |
| Unknown | Applying a Chatbot to Geriatric Patients in Psychiatric Clinics: A Pilot Study NCT05054660 | Chang Gung Memorial Hospital | N/A |
| Withdrawn | Penpal Loneliness Project NCT04797026 | Mayo Clinic | N/A |
| Unknown | The Effect of Motivational Interviewing on Problematic Internet Use and Loneliness NCT05646329 | Gazi University | N/A |
| Enrolling By Invitation | Social Factors in the Mental Health of Young Adults: Bridging Psychological and Network Analysis NCT04771195 | Stanford University | N/A |
| Completed | The Association Between Loneliness and Substance Use NCT04938492 | University of Rochester | N/A |
| Completed | Connect for Caregivers NCT04919070 | University of Rochester | N/A |
| Completed | The Emotional, Physical and Cognitive Benefits of Purposeful Green Space Activities on Seniors NCT04913363 | University of Virginia | N/A |
| Completed | The BE WITH Project: A Partially Nested Randomized Control Trial (PN-RCT) NCT07204444 | University of Florida | N/A |
| Completed | Suicide Prevention Among Recipients of Care NCT04893447 | St. Luke's Health System, Boise, Idaho | N/A |
| Completed | Evaluation of the Efficacy of Two Internet-based Self-help Interventions for Loneliness. NCT04655196 | University of Bern | N/A |
| Completed | Investigating Differential Effects of Online Mental Training Interventions on Mental Well-being and Social Coh NCT04889508 | Max Planck Social Neuroscience Lab | N/A |
| Completed | Effects of Robotic Cat and Betta Fish Therapies in Hemodialysis Patients NCT05339711 | Karadeniz Technical University | N/A |
| Completed | Mobile Interventions for the Prevention and Detection of Distress NCT05072210 | Unity Health Toronto | N/A |
| Completed | Stay Connected: Testing an Intervention to Combat Coronavirus-related Social Isolation Among Older Adults NCT04966910 | University of Washington | N/A |
| Recruiting | How is Social Connection Represented in the Brain? NCT04577911 | Columbia University | — |
| Terminated | Social Health Games: The Use of Online Games to Decrease Loneliness in Older Adults NCT04733898 | Radboud University Medical Center | N/A |
| Completed | Video Chat During Meals to Improve Nutritional Intake in Older Adults NCT04862312 | Cornell University | N/A |
| Completed | Massed and Spaced HMP App Dosage Study NCT04741529 | University of Wisconsin, Madison | N/A |
| Unknown | Disease Containment Measures Among Older Adults During the Covid-19 Pandemia NCT04792086 | Norwegian Centre for Ageing and Health | — |
| Completed | Activation Programme's Impact on Seniors' Emotionality and Loneliness NCT06866015 | Diana Ďuricová | N/A |
| Completed | The Effect Of Therapeutic Touch On Loneliness and Hopelessness NCT05024201 | Zehra Bayram | N/A |
| Completed | Engage Coaching for Latinos NCT04875065 | University of Rochester | N/A |
| Withdrawn | Connection for Latinos Caring for a Loved One With Dementia NCT04593628 | University of Rochester | N/A |
| Unknown | Coping With Covid-19: Loneliness, Self-Efficacy, Social Support, Depression & Anxiety in Patients in Medical R NCT05000255 | Annette Reichardt, MD | N/A |
| Completed | Mindfulness to Reduce Loneliness in Older Caregivers NCT04560088 | University of Rochester | N/A |
| Recruiting | The VESPA Pilot Study NCT04756245 | Wake Forest University | N/A |
| Completed | Evaluating the Effect of a Mobile Audio Companion (Elly) to Reduce Anxiety in Cancer Patients NCT04604158 | Gillian Gresham | N/A |
| Unknown | ARTISAN 2.0: Deconstructing the Integrative Efficacy of a Multimodal Art-based Intervention NCT04548115 | Nanyang Technological University | N/A |
| Completed | The Economic Consequences of Loneliness Among the Elderly NCT04225845 | National Bureau of Economic Research, Inc. | N/A |
| Completed | Ecological Momentary Assessment and Text Message Intervention for Stress Management NCT04907942 | Click Therapeutics, Inc. | N/A |
| Unknown | Online Mindfulness-Based College for Young Adults NCT04733300 | Eric Loucks | N/A |
| Completed | Evaluating Impact and Implementation of Choose to Move (Phase 4) NCT05678985 | University of British Columbia | N/A |
| Completed | Daily Study of Caregiving Relationships and Health NCT04682535 | The University of Texas Health Science Center at San Antonio | — |
| Completed | Usage and Health Effects of Embodied Conversational Agents Among Older Adults NCT04510883 | Wageningen University and Research | N/A |
| Completed | Engage Psychotherapy to Promote Connectedness in Caregivers NCT04176601 | University of Rochester | N/A |
| Completed | Evaluation of the Nextdoor KIND Challenge NCT04398472 | Swinburne University of Technology | N/A |
| Completed | Telephone Calls for Health for Homebound Older Adults NCT04595708 | University of Texas at Austin | N/A |
| Completed | Mental Health Impact of the COVID-19 Pandemic Among Migrants in Chile NCT04497636 | Pontificia Universidad Catolica de Chile | — |
| Completed | The Impact of Heartfulness Program on Loneliness in High School Students in the US NCT04602455 | Heartfulness Institute | N/A |
| Completed | Rural Dementia Caregiver Project NCT04428112 | University of California, San Francisco | N/A |
| Completed | Therapeutic Melodies: How Classical Turkish Music Soothes Stress and Eases Loneliness NCT05859893 | Ege University | N/A |
| Unknown | Cognitive Behavioural Therapy (CBT) for Chronic Loneliness in Children and Young People NCT05149963 | Royal Holloway University | N/A |
| Completed | Preliminary Efficacy of a One-Session Mindfulness Telehealth Intervention for Loneliness NCT04414826 | University of Texas at Austin | N/A |
| Completed | The Seniors COvid-19 Pandemic and Exercise Study NCT04412343 | University of British Columbia | N/A |
| Completed | ADHOC Mindfulness-Based Research NCT04580082 | Mazonson & Santas Inc. | N/A |
| Completed | Study of Resilience and Loneliness in Youth (18 - 25 Years Old) During the COVID-19 Pandemic Lock-down Measure NCT04371250 | Erasme University Hospital | — |
| Completed | Isolated During COVID-19: Effects of COVID-19's Social Restrictions on Loneliness and Psychosocial Symptomatol NCT04440098 | University of Miami | — |
| Completed | A Smartphone Intervention for Relational and Mental Well Being NCT04629755 | University of Washington | N/A |
| Completed | Social Activity, Loneliness and Stigma During COVID-19 Outbreak NCT04734171 | Columbia University | N/A |
| Unknown | Elderly Who Received Horticulturel Therapy NCT04291183 | Istanbul University - Cerrahpasa | N/A |
| Withdrawn | Me and the Others: Expectations and Evaluation of Social Relationships NCT03764566 | Central Institute of Mental Health, Mannheim | — |
| Terminated | New in Town-Internet Intervention for Migrants NCT04088487 | University of Social Sciences and Humanities, Warsaw | N/A |
| Completed | Choose to Move - Next Steps: Can 'Booster Sessions' Sustain Health Benefits of an Effective, Scaled-up, Health NCT04592614 | University of British Columbia | N/A |
| Completed | Depression, Anxiety and Social Relationships as Risk Factors for Dementia NCT04786561 | Norwegian Centre for Ageing and Health | — |
| Unknown | Companion Dog & Loneliness in Elderly Persons NCT04032340 | Assistance Publique - Hôpitaux de Paris | — |
| Unknown | Oxytocin-augmented Cognitive-behavioral Group-based Short-term Intervention for Loneliness NCT04137432 | University Hospital, Bonn | Phase 1 |
| Completed | A Mobile App to Address Student Loneliness NCT04164654 | University of Oregon | N/A |
| Completed | Mindful Response to Adversity: A Brief Stress Resilience Training NCT04064372 | Carnegie Mellon University | N/A |
| Completed | Testing the Effectiveness of an Online Behavioral Intervention in Reducing Loneliness NCT04112225 | Happify Inc. | N/A |
| Completed | 2nd AC+: New Village Model NCT04323176 | University of California, San Diego | N/A |
| Withdrawn | Evaluating a Group-based Therapeutic Yoga Program for Burnout NCT03973216 | McMaster University | N/A |
| Completed | Effects of a Proactive Social Robot for Older Adults in Reducing Loneliness and Social Isolation NCT03972787 | Baycrest | N/A |
| Completed | Computerized Intervention for Loneliness NCT03839966 | Florida State University | N/A |
| Completed | Guided Online Self-help for Loneliness NCT03807154 | Linkoeping University | N/A |
| Completed | The Ageing in a Networked Society -Social Experiment Study NCT04242628 | University of Milano Bicocca | N/A |
| Completed | Singing Groups for Seniors: Well-Being, Cognitive Function and Health NCT03985917 | Iolanda Costa Galinha | N/A |
| Completed | Transcranial Magnetic Stimulation for Apathy in Mild Cognitive Impairment NCT03590327 | VA Office of Research and Development | N/A |
| Completed | Effects of a Volunteer-based Lunch Program on Feelings of Loneliness in Elders NCT03552328 | University of South Florida | N/A |
| Unknown | Loneliness and Health: The Moderating Role of Befriending Services NCT04301167 | University of Dublin, Trinity College | N/A |
| Unknown | Project ARTISAN: Fostering Aspiration and Resilience Through Intergenerational Storytelling and Arts-based Nar NCT03593967 | Nanyang Technological University | N/A |
| Completed | Evaluating Impact and Implementation of Choose to Move (Phase 3) NCT05497648 | University of British Columbia | N/A |
| Completed | The Effect of Recreational Games on Happiness, Life Satisfaction, Loneliness, and Somatisation in Elderly Indi NCT06505070 | Duzce University | N/A |
| Completed | Physical Activity Intervention for Loneliness NCT03458793 | University of Birmingham | N/A |
| Completed | The Helping Older People Engage Project: Improving Social Well-Being in Later Life NCT03343483 | University of Rochester | N/A |
| Completed | Nursing Care Interventions According to Integrative Nursing and Omaha System in Elderly Women Feeling Loneline NCT03695133 | Akdeniz University | N/A |
| Completed | "Recovery 4 US" - A Photovoice-based Social Media Program NCT03266614 | Boston University Charles River Campus | N/A |
| Completed | Mindfulness-Based College: Stage 1 NCT03124446 | Brown University | N/A |
| Completed | Stress Management Training for Healthy Aging NCT02888600 | Carnegie Mellon University | N/A |
| Completed | Validation of a Psychological Fragility Questionnary in the Elderly in Isolation NCT02914080 | Centre Hospitalier Universitaire de Nice | — |
| Unknown | Integrating Lonely Elderly Patients in Workshops in a Cartoon Museum: An Efficacy Study NCT02047435 | Research Unit Of General Practice, Copenhagen | N/A |
| Completed | Decreasing Loneliness in Older Adults NCT01842984 | Tel Aviv University | N/A |
| Terminated | Putting Life in Years (PLINY): Telephone Friendship Groups Research Study NCT01754753 | University of Sheffield | N/A |
| Active Not Recruiting | Ageing and Health. Spanish Longitudinal Study NCT03343886 | Fundación de Investigación Biomédica - Hospital Universitario de La Princesa | — |