Persistent COVID-19 Registry in Navarre.

NCT07417176 | Recruiting

• 1 other identifier: PERSCOVCHN
• Study Type: observational
• Target: 200
• Locations: 1 country
• Sites: 1

Brief Summary

The goal of this observational study is to deepen our understanding of long COVID by determining the prevalence of the main complications and medium- to long-term sequelae of COVID-19 in Navarre. Sociodemographic variables such as age, sex, ethnicity, smoking history, and comorbidities will be collected, as well as clinical and disease management variables such as persistent COVID-19 symptoms at 3 months, all with the aim of characterizing patients with long COVID. All patient data will be collected in a single visit.

Conditions

Long COVID Symptoms; Long COVI

Keywords

long covid 19; Long COVID syndrome; Long COVID Fatigue

Outcome Measures

Primary Outcomes (2)

• Describe the demographic, clinical and analytical characteristics of patients with persistent COVID in our setting.

  The following sociodemographic variables: age, gender, ethnicity, smoking history, and comorbidities, and analytical variables, will be collected.

  Basal visit

• Establish the prevalence of different symptoms, complications and/or medium- to long-term sequelae of COVID-19 in Navarre.

  6\) Diagnosis of: * Thromboembolic disease (deep vein thrombosis and/or pulmonary embolism at discharge and/or pulmonary thromboembolism). * Acute cerebrovascular accident (embolic and/or atherothrombotic: referred to as stroke/ACVA/TIA/cerebral infarction) during admission for COVID-19. Establish assessment criteria by Internal Medicine and/or Neurology. * Peripheral arterial ischaemic event during admission for COVID-19 * Acute complication of pre-existing coronary artery disease and/or acute coronary event (acute coronary syndrome or ACS). * suspicion and/or diagnosis of myopericarditis during admission. * criteria for acute hepatitis (GOT and/or GPT \>5 times normal range (\>200 during admission) and/or liver dysfunction (Br \>3 mg/dl).

  Basal visit

Study Arms (1)

Patients diagnosed with long COVID

Eligibility Criteria

• Sex: all
• Healthy Volunteers: No
• Age Groups: Child (0-17), Adult (18-64), Older Adult (65+)
• Sampling Method: Non-Probability Sample

Study Population

Patients seen in the Internal Medicine outpatient clinic who have been referred by primary care teams or other medical services.

You may qualify if:

• History of confirmed SARS-CoV-2 infection
• Presentation of symptoms that have persisted for more than 3 months after SARS-CoV-2 infection
• The patient reports any of the symptoms listed in the clinical assessment questionnaire or checklist.

You may not qualify if:

• The symptom(s) referred to already existed prior to acute SARS-CoV-2 infection.

Sponsors & Collaborators

• Fundacion Miguel Servet: lead

Study Sites (1)

Hospital Universitario de Navarra

Pamplona, Navarre, 31008, Spain

RECRUITING

Study Officials

• Patricia Fanlo Mateo, MD, PhD

  Hospital Universitario de Navarra. Pamplona. Spain

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Ruth García Rey, SC

CONTACT

+3484822163; ruth.garcia.rey@navarra.es

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: PROSPECTIVE
• Target Duration: 3 Months
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: February 11, 2026
• First Posted: February 18, 2026
• Study Start: January 4, 2021
• Primary Completion: March 1, 2026
• Study Completion: March 31, 2026
• Last Updated: February 20, 2026

Record last verified: 2026-02

Data Sharing

• IPD Sharing: Will not share

Locations

ES (1)