NCT04771559 is a NA clinical trial of COVID-19 antibody test in Covid19, sponsored by Bezmialem Vakif University.

Who is sponsoring NCT04771559?

NCT04771559 is sponsored by Bezmialem Vakif University.

What drugs are being tested in NCT04771559?

Interventions in NCT04771559: COVID-19 antibody test.

What condition does NCT04771559 study?

NCT04771559 studies Covid19, Cancer.

Is NCT04771559 still recruiting?

NCT04771559 is currently completed. Last updated 3 August 2021.

Last reviewed 2021-08-03 · How we verify

NCT04771559

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Evaluation of the Effect and Side Effect Profile of Covid-19 Vaccine in Cancer Patients

Completed NA Last updated 3 August 2021

What this trial tests

NA trial testing COVID-19 antibody test in Covid19 in 1,500 participants. Completed in 1 July 2021.

Timeline

1 March 2021

Primary endpoint
1 June 2021

1 July 2021

Quick facts

Lead sponsor	Bezmialem Vakif University
Phase	NA
Status	Completed
Study type	INTERVENTIONAL
Allocation	non randomized
Design	parallel
Masking	none
Primary purpose	other
Enrollment	1,500
Start date	1 March 2021
Primary completion	1 June 2021
Estimated completion	1 July 2021
Sites	5 locations across Turkey (Türkiye)

Drugs / interventions tested

COVID-19 antibody test

Conditions studied

Covid19 — all drugs for Covid19 →
Cancer — all drugs for Cancer →

Sponsor

Bezmialem Vakif University

Who can join

18 and older, any sex, with Covid19 or Cancer. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

The aim of the study is to evaluate the effects and side effects of inactive COVID-19 vaccine in patients with cancer and compare them with the healthy control group.

Publications & conference data

3 peer-reviewed publications reference this trial (live from Europe PMC):

Efficacy and safety profile of COVID-19 vaccine in cancer patients: a prospective, multicenter cohort study.
Yasin AI, Aydin SG, Sümbül B, Koral L, et al · · 2022 · cited 27× · PMID 35081732 · DOI 10.2217/fon-2021-1248
A Review of Inactivated COVID-19 Vaccine Development in China: Focusing on Safety and Efficacy in Special Populations.
Hu L, Sun J, Wang Y, Tan D, et al · · 2023 · cited 22× · PMID 37376434 · DOI 10.3390/vaccines11061045
Cancer Patients and the COVID-19 Vaccines: Considerations and Challenges.
Almasri M, Bshesh K, Khan W, Mushannen M, et al · · 2022 · cited 9× · PMID 36428722 · DOI 10.3390/cancers14225630

Verify or expand the search:

Other recruiting trials for Covid19

Currently open trials in the same condition.

NCT03305341 — Proof-of-Concept Clinical Pharmacology Trial for COVID-19 Antigen Presentation Therapeutic Biologic Mix · EARLY_PHASE1 · active not recruiting
NCT06482138 — Dysfunction of Olfaction After COVID-19 Infection: Morphological and Histomolecular Investigation · NA · recruiting
NCT04924803 — Community Developed Technology-Based Messaging to Increase COVID-19 Vaccine Uptake Among People Who Inject Drugs · NA · active not recruiting
NCT05013632 — COVID-19 International Drug Pregnancy Registry · recruiting
NCT04806061 — Urine Alkalinisation in COVID-19 · NA · active not recruiting

Other Bezmialem Vakif University trials

Trials by the same sponsor.

NCT07369297 — PULP SENSIBILITY AND MASSETER INHIBITORY REFLEX IN DIABETIC POLYNEUROPATHY · not yet recruiting
NCT07433595 — Association Between Child and Parental Stress and Bruxism in Children Aged 8-11 Years · not yet recruiting
NCT07443111 — Comparison of Virtual Reality-Based and Routine Preoperative Education on Surgical Anxiety and Salivary Cortisol · NA · not yet recruiting
NCT07421349 — Comparison of Pulmonary Functions and Respiratory Muscle Strength Between Children With Hearing Impairment and Healthy P · not yet recruiting
NCT07414615 — Aerobic Training in Lower Extremity Lymphedema · NA · recruiting

Verify against primary sources

ClinicalTrials.gov — authoritative US registry record
WHO ICTRP — international registry index
EU Clinical Trials Register
Sponsor press releases (Google)

Data sources for this page

Trial protocol + status: ClinicalTrials.gov NCT04771559 (US National Library of Medicine, public domain)
Publications: Europe PMC API search by NCT ID, retrieved 9 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 Bezmialem Vakif University
Last refreshed: 3 August 2021

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/NCT04771559.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing