Clinical trial Recruiting at 1 site Observational Ages 18 and up

Registry for patients with chronic lymphocytic leukemia and related conditions

Official title: Registry of the German CLL Study Group Long Term Follow-up of Patients With CLL, B-PLL, T-PLL, SLL,T or NK-LGL, HCL and Richter's Transformation

Run by German CLL Study Group · NCT02863692 · Data updated 2026-11-12

This study is tracking patients with chronic lymphocytic leukemia and similar conditions to see how well different treatments work and what long-term effects they might have.

More CLL trials

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment8000 (estimated)
SponsorGerman CLL Study Group
Academic / other
Drugs / interventionsrituximab, chemotherapy, Cyclophosphamide, Fludarabine
Locations1 site (Dresden, Saxony)
StatusRecruiting
StartedAugust 2013
Main results expectedDecember 2026
Study endsDecember 2026
Registry record updatedDecember 8, 2025
Trial IDNCT02863692 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults aged 18 and older with a confirmed diagnosis of CLL, B-PLL, T-PLL, SLL, T or NK-LGL, HCL, or Richter's transformation.

Probably not a fit

Patients without a confirmed diagnosis of the specified leukemias or those with cerebral dysfunction may not benefit from this registry.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational registry focuses on the long-term follow-up of patients diagnosed with chronic lymphocytic leukemia (CLL) and related conditions such as B-prolymphocytic leukemia, T-cell prolymphocytic leukemia, and others. The study aims to assess overall survival and progression-free survival, while also evaluating late toxicities associated with various treatments. By collecting extensive clinical data, the registry seeks to analyze the outcomes of different therapies and their long-term effects on patients. This comprehensive approach will help in understanding the disease better and improving future treatment strategies.

Why it matters

Potential benefit: If successful, this registry could provide valuable insights into the long-term outcomes and treatment effects for patients with CLL and related leukemias.

How similar studies have gone: Other studies have shown success in similar observational approaches, indicating the potential for valuable findings in this area.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria (all must apply)

1. Confirmed diagnosis of CLL, B-PLL, T-PLL, SLL, T or NK-LGL, HCL or Richter's transformation
2. 18 years of age or older
3. Signed, written informed consent
4. Presence of one or more of the following disease situations:

   * Newly diagnosed patients without treatment indication (eligible for watch and wait Approach Treatment within a clinical trial according to the AMG or status post participation in a clinical Trial)
   * Treatment with standard therapies approved for the eligible entities or status post treatment (outside of clinical trials)
   * Referral for evaluation the indication for HSCT
   * Relapsed disease status (even if first diagnosis was prior to activation of the registry)

Exclusion Criteria

1. Patients without confirmed diagnosis of CLL, B-PLL, T-PLL, SLL, T or NK- LGL, HCL or Richter's transformation
2. Cerebral dysfunction, legal incapacity

Where it's running

  • BAG Freiberg-Richter, Jacobasch, Wolf, Illmer
    Dresden, Saxony, Germany
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.