{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Motivational+SMS+Messages",
    "query": {
      "intervention": "Motivational SMS Messages"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 31,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Motivational+SMS+Messages&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T19:33:03.783Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT05419232",
      "title": "COVID-19 Vaccine Uptake Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccination Refusal",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Short Message Service (SMS) + Website Link Strategy",
          "type": "OTHER"
        },
        {
          "name": "Phone Call with Peer Strategy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 262,
      "start_date": "2022-07-15",
      "completion_date": "2024-05-31",
      "has_results": true,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-13T19:33:03.783Z",
      "location_count": 8,
      "location_summary": "Hazelwood, Missouri • Jennings, Missouri • Saint Ann, Missouri + 2 more",
      "locations": [
        {
          "city": "Hazelwood",
          "state": "Missouri"
        },
        {
          "city": "Jennings",
          "state": "Missouri"
        },
        {
          "city": "Saint Ann",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05419232"
    },
    {
      "nct_id": "NCT06932887",
      "title": "The Beat Pain Better Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis",
        "Chronic Pain Management"
      ],
      "interventions": [
        {
          "name": "Text Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivational Messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical Activity Counseling and Self-Directed Walk with Ease",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Walk with Ease",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 346,
      "start_date": "2025-05-28",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-09-13T19:33:03.783Z",
      "location_count": 3,
      "location_summary": "Salt Lake City, Utah • West Valley City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        },
        {
          "city": "West Valley City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06932887"
    },
    {
      "nct_id": "NCT03169023",
      "title": "Scale Down for Endometrial Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endometrial Cancer",
        "Cancer of the Endometrium"
      ],
      "interventions": [
        {
          "name": "ScaleDown",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Usual Care Packets",
          "type": "BEHAVIORAL"
        },
        {
          "name": "12-Item Short Form Health Survey",
          "type": "OTHER"
        },
        {
          "name": "International Physical Activity Questionnaire short form",
          "type": "OTHER"
        },
        {
          "name": "Multidimensional Body Self Relations Questionnaire - Appearance Subscales",
          "type": "OTHER"
        },
        {
          "name": "Cancer-Related Body Image Scale",
          "type": "OTHER"
        },
        {
          "name": "Patient Health Questionnaire 9-Item Version",
          "type": "OTHER"
        },
        {
          "name": "iOTA",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 155,
      "start_date": "2017-02-21",
      "completion_date": "2019-02-03",
      "has_results": false,
      "last_update_posted_date": "2019-02-28",
      "last_synced_at": "2026-09-13T19:33:03.783Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03169023"
    },
    {
      "nct_id": "NCT02343367",
      "title": "Health4Kids Intervention Trial for Hispanic Families",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pediatric Obesity"
      ],
      "interventions": [
        {
          "name": "behavioral counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Education Materials",
          "type": "OTHER"
        },
        {
          "name": "Face to face counseling session",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telephone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Newsletters",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "6 Years to 11 Years"
      },
      "enrollment_count": 518,
      "start_date": "2015-01",
      "completion_date": "2020-03-31",
      "has_results": false,
      "last_update_posted_date": "2020-12-21",
      "last_synced_at": "2026-09-13T19:33:03.783Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02343367"
    },
    {
      "nct_id": "NCT07713836",
      "title": "Nutrition Intervention Optimization to Better Utilize Resources and Support Health",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabete Type 2",
        "Obesity & Overweight",
        "Nutritional Intervention",
        "Food Insecurity"
      ],
      "interventions": [
        {
          "name": "Meal kits",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No-prep meals",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Culinary nutrition classes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2027-01",
      "completion_date": "2031-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-20",
      "last_synced_at": "2026-09-13T19:33:03.783Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07713836"
    },
    {
      "nct_id": "NCT02012478",
      "title": "Using a Motivational Interviewing (MI) Informed Text Messaging Program to Lower Blood Sugar in Diabetic Patients.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type II Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "MI- informed SMS program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 54,
      "start_date": "2014-02",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2018-02-26",
      "last_synced_at": "2026-09-13T19:33:03.783Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02012478"
    },
    {
      "nct_id": "NCT04194918",
      "title": "Flexiquit+: Web Program to Promote Smoking Cessation in Sexual and Gender Minority Young Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Computer-Assisted Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Message",
          "type": "OTHER"
        },
        {
          "name": "Handout",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 25,
      "start_date": "2020-05-18",
      "completion_date": "2020-09-01",
      "has_results": false,
      "last_update_posted_date": "2020-10-05",
      "last_synced_at": "2026-09-13T19:33:03.783Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04194918"
    },
    {
      "nct_id": "NCT05689736",
      "title": "Optimizing an Evidence-Based, Disseminable, Free Internet-Based Parenting Program",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parenting Practices"
      ],
      "interventions": [
        {
          "name": "Motivational Enhancement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Simplification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Gamification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low Engagement Nudges",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Essentials for Parenting Toddlers and Pre-schoolers (EFP)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "New York University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 859,
      "start_date": "2023-09-16",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-09-13T19:33:03.783Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05689736"
    },
    {
      "nct_id": "NCT04332172",
      "title": "Scaling Up: A Multi-Site Trial of e-SBI for Alcohol Use in Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fetal Alcohol Spectrum Disorders",
        "Fetal Alcohol Syndrome",
        "Fetal Alcohol Effect"
      ],
      "interventions": [
        {
          "name": "General information",
          "type": "OTHER"
        },
        {
          "name": "Baseline brief intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Remote online booster sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SMS",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Michigan State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 384,
      "start_date": "2023-05-19",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-24",
      "last_synced_at": "2026-09-13T19:33:03.783Z",
      "location_count": 1,
      "location_summary": "Flint, Michigan",
      "locations": [
        {
          "city": "Flint",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04332172"
    },
    {
      "nct_id": "NCT05890183",
      "title": "Improving Cognition Through Telehealth Aerobic Exercise and Cognitive Training After a First Schizophrenia Episode",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizophreniform Disorder",
        "Schizoaffective Disorder"
      ],
      "interventions": [
        {
          "name": "Cognitive training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Aerobic Exercise Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Moderated Online Social Therapy (MOST)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Chorus Participatory Text Messaging Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Healthy Living Group (HLG)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-05-23",
      "completion_date": "2028-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-09-13T19:33:03.783Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05890183"
    }
  ]
}