Completed

A Pilot Trial of OSI-461 in Patients With Chronic Lymphocytic Leukemia

0 criteria met from your profileSee at a glance how your profile meets each eligibility criteria.
What is being tested

Data Collection

Who is being recruted

Chronic Disease+11

+ Hematologic Diseases

+ Immune System Diseases

Over 18 Years
See all eligibility criteria
How is the trial designed

Treatment Study

Phase 2
Interventional
Study Start: May 2001
See protocol details

Summary

Principal SponsorAstellas Pharma Inc
Last updated: January 14, 2026
Sourced from a government-validated database.Claim as a partner

Study start date: May 1, 2001

Actual date on which the first participant was enrolled.

The primary objective of this study is to determine the activity of OSI-461 given twice daily orally in previously untreated CLL patients. The secondary objective is to evaluate the safety profile of OSI-461 in this patient population.

Official TitleA Pilot Trial of OSI-461 in Patients With Chronic Lymphocytic Leukemia 
Principal SponsorAstellas Pharma Inc
Last updated: January 14, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

23 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Treatment Study

These studies test new ways to treat a disease, condition, or health issue. The goal is to see if a new drug, therapy, or approach works better or has fewer side effects than existing options.


Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

Over 18 Years

Range of ages for which participants are eligible to join.

Healthy volunteers not allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

Chronic DiseaseHematologic DiseasesImmune System DiseasesImmunoproliferative DisordersLeukemiaLeukemia, LymphoidLymphatic DiseasesLymphoproliferative DisordersNeoplasmsNeoplasms by Histologic TypePathologic ProcessesLeukemia, B-CellLeukemia, Lymphocytic, Chronic, B-CellDisease Attributes

Criteria

Inclusion Criteria: * Diagnosis of CLL established by bone marrow aspiration and biopsy or flow cytometry of peripheral blood. * No previous therapy for CLL. * Expected remaining life span greater than or equal to six months. * 18 years or older. * Willingness and ability to sign an informed consent. Exclusion Criteria: * Other active malignancy or history of treatment of any malignancy (excluding non-melanoma skin cancer) within the previous three years. * History of other malignancy which could affect the diagnosis or assessment of OSI-461. * Previous therapy for CLL. * Use of an investigational medication or device within one month of initiating study therapy. * Concurrent immunotherapy. * Use of steroids at the time of enrollment (patients who require steroids after enrollment may remain on study). * Any condition or any medication which may interfere with the conduct of the study. * Serious uncontrolled intercurrent medical or psychiatric illness, including serious infection. * Evidence of CNS involvement. * Pregnant or nursing women.

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 15 locations

Suspended

Arizona Hematology & Oncology Associates

Phoenix, United StatesSee the location
Suspended

Rocky Mountain Cancer Centers

Aurora, United States
Suspended

Florida Oncology Associates

Jacksonville, United States
Suspended

Ocala Oncology Center

Ocala, United States
Completed15 Study Centers