Observational study of neutropenic patients in Cologne

The Cologne Cohort of Neutropenic Patients (CoCoNut) - a Non-interventional Cohort Study Assessing Risk Factors, Interventions, and Outcome of Immunosuppressed Patients With or Without Opportunistic Infections

University Hospital of Cologne · NCT01821456

This study looks at patients who have low white blood cell counts after chemotherapy for blood cancers to see how it affects their health and what treatments work best for them.

Quick facts

Study typeObservational
Enrollment100000 (estimated)
Ages1 Year and up
SexAll
SponsorUniversity Hospital of Cologne (other)
Drugs / interventionschemotherapy
Locations1 site (Cologne, North Rhine-Westphalia)
Trial IDNCT01821456 on ClinicalTrials.gov

What this trial studies

The Cologne Cohort of Neutropenic Patients (CoCoNut) is a non-interventional cohort study that focuses on patients who develop neutropenia after chemotherapy for hematological malignancies. This prospective study aims to collect comprehensive data on risk factors, interventions, and outcomes for these immunosuppressed patients, including those with opportunistic infections. The research is conducted at the University Hospital of Cologne, where patients are monitored and assessed for their health status and treatment responses.

Who should consider this trial

Good fit: Ideal candidates for this study are immunosuppressed patients who have developed neutropenia following chemotherapy for cancer.

Not a fit: Patients who are not immunosuppressed or who have not undergone chemotherapy may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could improve understanding of neutropenia management and enhance treatment strategies for immunosuppressed patients.

How similar studies have performed: Other observational studies have shown success in understanding the outcomes of neutropenic patients, making this approach both relevant and valuable.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* immunosuppressed patients

Exclusion Criteria:

* none

Where this trial is running

Cologne, North Rhine-Westphalia

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Hematological Malignancies, Cancer, Chemotherapy, Neutropenia, Immunosuppression, hematological malignancies, cancer, chemotherapy

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.