{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Positive+affect+negative+affect+scale+%28PANAS%29",
    "query": {
      "intervention": "Positive affect negative affect scale (PANAS)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-15T11:11:19.370Z",
  "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": "NCT02209259",
      "title": "The Effect of Questionnaire Content on Measures of Pain Intensity, Magnitude of Disability, and Symptoms of Depression in Patients With Arm Illness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arm Illness"
      ],
      "interventions": [
        {
          "name": "PROMIS Upper Extremity Function",
          "type": "OTHER"
        },
        {
          "name": "Pain intensity",
          "type": "OTHER"
        },
        {
          "name": "PROMIS depression",
          "type": "OTHER"
        },
        {
          "name": "Positive affect negative affect scale (PANAS)",
          "type": "OTHER"
        },
        {
          "name": "standard PCS",
          "type": "OTHER"
        },
        {
          "name": "positively-adjusted version of the PCS",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 168,
      "start_date": "2014-05",
      "completion_date": "2016-02",
      "has_results": true,
      "last_update_posted_date": "2018-05-14",
      "last_synced_at": "2026-09-15T11:11:19.370Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02209259"
    },
    {
      "nct_id": "NCT02737761",
      "title": "Researching Emotions And Cardiac Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure",
        "Emotions",
        "Patient Compliance"
      ],
      "interventions": [
        {
          "name": "Qualitative Interview and Adherence Measurements",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2015-01",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2016-10-27",
      "last_synced_at": "2026-09-15T11:11:19.370Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02737761"
    },
    {
      "nct_id": "NCT02483559",
      "title": "Seeing the World Through Assorted Glasses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Amber Lenses",
          "type": "OTHER"
        },
        {
          "name": "Placebo Lenses",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 15,
      "start_date": "2015-06",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2017-02-08",
      "last_synced_at": "2026-09-15T11:11:19.370Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02483559"
    },
    {
      "nct_id": "NCT02714426",
      "title": "A 14 Week Study of Mindfulness Effects on Attentional Control in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Aging"
      ],
      "interventions": [
        {
          "name": "Mindfulness-inspired treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brain health",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2016-11",
      "completion_date": "2018-02-28",
      "has_results": true,
      "last_update_posted_date": "2019-03-07",
      "last_synced_at": "2026-09-15T11:11:19.370Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02714426"
    },
    {
      "nct_id": "NCT07737392",
      "title": "Lavender Sandalwood Aromatherapy Study",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Mood",
        "Patient Satisfaction",
        "Scheduled Cesarean Sections"
      ],
      "interventions": [
        {
          "name": "Lavender-sandalwood aromatherapy tabs",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Hermann Health System",
      "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": 182,
      "start_date": "2026-09",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-09-15T11:11:19.370Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07737392"
    },
    {
      "nct_id": "NCT02962154",
      "title": "Neurocardiac Interactions Evaluated by Anatomic and Physiologic MRI Assessment",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ischemia",
        "Stress, Mental"
      ],
      "interventions": [
        {
          "name": "Coronary CT Angiography",
          "type": "RADIATION"
        },
        {
          "name": "Mood Symptom Scale",
          "type": "OTHER"
        },
        {
          "name": "Anxiety Symptom Scale",
          "type": "OTHER"
        },
        {
          "name": "Chronic Stress Inventories",
          "type": "OTHER"
        },
        {
          "name": "Psychosocial Function Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "General Health and quality of life questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2016-02",
      "completion_date": "2018-01",
      "has_results": false,
      "last_update_posted_date": "2018-01-09",
      "last_synced_at": "2026-09-15T11:11:19.370Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02962154"
    },
    {
      "nct_id": "NCT02488863",
      "title": "NEPAL (Neuromodulatory Examination of Pain and Mobility Across the Lifespan)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Musculoskeletal Pain",
        "Pain, Chronic"
      ],
      "interventions": [
        {
          "name": "MRI Neuroimaging",
          "type": "OTHER"
        },
        {
          "name": "Quantitative Sensory Testing",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Physical and Cognitive Function Testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2015-07",
      "completion_date": "2024-02-04",
      "has_results": true,
      "last_update_posted_date": "2025-03-18",
      "last_synced_at": "2026-09-15T11:11:19.370Z",
      "location_count": 4,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02488863"
    }
  ]
}