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NCT04407117
Appendicitis During the National Lockdown During the COVID-19 Pandemic
trial testing Lock-down and social distancing in Appendicitis in 6,000,000 participants. Completed in 19 April 2020.
19 April 2020
Quick facts
| Lead sponsor | Claus Anders Bertelsen, PhD, MD |
|---|---|
| Status | Completed |
| Study type | OBSERVATIONAL |
| Enrollment | 6,000,000 |
| Start date | 23 March 2017 |
| Primary completion | 19 April 2020 |
| Estimated completion | 19 April 2020 |
| Sites | 1 location across Denmark |
Drugs / interventions tested
- Lock-down and social distancing
Conditions studied
- Appendicitis — all drugs for Appendicitis →
Sponsor
Claus Anders Bertelsen, PhD, MD
Who can join
Eligibility, any sex, with Appendicitis. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
The study aims to examine whether a nationwide lock-down with an entire population subjugated to social distancing reduces the incidence of appendicitis. If a reduction is detected it supports the hypothesis that infectious disease may play a role in the etiology of appendicitis.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
-
Incidence of appendicitis during COVID-19 lockdown: A nationwide population-based study.
Jantzen AT, Bang-Nielsen A, Bertelsen CA, Torp-Pedersen C, et al · · 2022 · cited 3× · PMID 35488422 · DOI 10.1177/14574969221089387
Verify or expand the search:
- PubMed search for NCT04407117
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
Other recruiting trials for Appendicitis
Currently open trials in the same condition.
- NCT07115303 — Results of Laparoscopic Appendectomy With Application of Clips Versus Ligature for Stump Closure · NA · recruiting
- NCT06395636 — Early Detection of Infection Using the Fitbit in Pediatric Surgical Patients · NA · recruiting
- NCT07049965 — Comparative Study of Harmonic Scalpel vs. Suture Ligation for Appendix Base During Laparoscopic Appendectomy · NA · active not recruiting
- NCT07478029 — Clinical Study of PEG Bowel Preparation in Appendectomy Patients · recruiting
- NCT06177418 — Transumbilical Laparoscopic Appendectomy · NA · recruiting
Other Claus Anders Bertelsen, PhD, MD trials
Trials by the same sponsor.
- NCT06287671 — Colorectal Omics and OfCS Proteoglycans · recruiting
- NCT04311099 — Optimal Peripheral Nerve Block After Minimally Invasive Colon Surgery · Phase 4 · completed
- NCT04395534 — Non-microradical Resection Margin as a Predictor for Recurrence After Complete Mesocolic Excision · completed
- NCT04477824 — Is Acute Appendicitis Still a Clinical Diagnosis? · completed
Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT04407117 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Claus Anders Bertelsen, PhD, MD
- Last refreshed: 19 June 2020
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04407117.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing