A Study to Assess the Efficacy of Rituximab (MabThera) in First Line Treatment of Chronic Lymphocytic Leukemia (CLL)

July 27, 2018 updated by: Hoffmann-La Roche

Multicentre, Non-Randomised, Open-Label Phase II Study to Evaluate the Efficacy and Safety of Induction Treatment With Rituximab, Fludarabine, Cyclophosphamide, Followed by Rituximab Maintenance Therapy (R-Fc-Rm) in the First Line Treatment of Chronic Lymphocytic Leukaemia

This single arm study will assess the efficacy and safety of rituximab in combination with fludarabine and cyclophosphamide, followed by rituximab maintenance therapy, as first line treatment of participants with CLL.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
86

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Spain
      • Badajoz, Spain, 06080
        • Hospital Universitario Infanta Cristina; Servicio de Hematologia
      • Barcelona, Spain, 08907
        • Hospital Duran i Reynals; Servicio de Hematologia
      • Caceres, Spain, 10003
        • Hospital San Pedro de Alcantara; Servicio de Hematología
      • Castellon, Spain, 12004
        • Hospital General de Castellon; Servicio de Hematologia
      • Granada, Spain, 18014
        • Hospital Universitario Virgen de las Nieves; Servicio de Hematologia
      • Madrid, Spain, 28046
        • Hospital Universitario la Paz; Servicio de Hematologia
      • Madrid, Spain, 28040
        • Hospital Universitario Clínico San Carlos; Servicio de Hematología
      • Madrid, Spain, 28050
        • HOSPITAL DE MADRID NORTE SANCHINARRO- CENTRO INTEGRAL ONCOLOGICO CLARA CAMPAL; Servicio Hematologia
      • Madrid, Spain, 28222
        • Hospital Universitario Puerta de Hierro; Servicio de Hematologia
      • Madrid, Spain, 28805
        • Hospital Universitario Principe de Asturias; Servicio de Hematología
      • Madrid, Spain, 28041
        • Hospital Univ. 12 de Octubre; Servicio de Hematologia
      • Madrid, Spain, 28007
        • Hospital General Universitario Gregorio Marañon; Servicio de Hematología
      • Madrid, Spain, 28034
        • Hospital Ramon y Cajal; Servicio de Hematologia
      • Madrid, Spain, 28905
        • Hospital Universitario de Getafe; Servico de Hematologia
      • Malaga, Spain, 29010
        • Hospital Clinico Universitario Virgen de la Victoria; Servicio de Hematologia
      • Murcia, Spain, 30008
        • Hospital General Universitario J.M Morales Meseguer; Servicio de Hematología
      • Salamanca, Spain, 37007
        • Hospital Clinico Universitario de Salamanca;Servicio de Hematologia
      • Valencia, Spain, 46015
        • Hospital Arnau de Vilanova (Valencia) Servicio de Hematologia
      • Valencia, Spain, 46017
        • Hospital Universitario Dr. Peset; Servicio de Hematologia
      • Valencia, Spain, 46026
        • Hospital Universitario la Fe; Servicio de Hematologia
      • Valencia, Spain, 46014
        • Hospital General Universitario de Valencia; Servicio de Hematologia
      • Zaragoza, Spain, 50009
        • Hospital Clinico Universitario Lozano Blesa; Servicio de Hematologia
      • Zaragoza, Spain, 50009
        • Hospital Universitario Miguel Servet; Servicio Hematologia
    • Alava
      • Vitoria, Alava, Spain, 01009
        • Hospital De Txagorritxu; Servicio de Hematologia
    • Cadiz
      • Cádiz, Cadiz, Spain, 11009
        • Hospital Universitario Puerta del Mar; Servicio de Hematologia
      • Jerez de La Frontera, Cadiz, Spain, 11407
        • Hospital de Jerez de la Frontera; Servicio de Hematologia
    • Cantabria
      • Santander, Cantabria, Spain, 39008
        • Hospital Universitario Marques de Valdecilla; Servicio de Hematologia
    • LA Coruña
      • La Coruna, LA Coruña, Spain, 15006
        • Complejo Hospitalario Universitario A Coruña (CHUAC); Servicio de Hematologia
    • Madrid
      • Alcorcon, Madrid, Spain, 28922
        • Fundacion Hospital de Alcorcon; Servicio de Hematologia
      • Mostoles, Madrid, Spain, 28935
        • Hosital Universitario de Mostoles;Servicio de Hematologia
    • Valencia
      • Gandia, Valencia, Spain, 46702
        • Hospital Francesc de Borja; Servicio de Hematologia
      • Sagunto, Valencia, Spain, 46520
        • Hospital de Sagunto; Servicio de Hematologia
    • Vizcaya
      • Bilbao, Vizcaya, Spain, 48013
        • Hospital de Basurto; Servicio de Hematologia

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 70 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • CLL according to World Health Organization diagnostic criteria
  • Active disease
  • No previous treatment
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2

Exclusion Criteria:

  • Transformation to aggressive B-cell malignancy (prolymphocytic leukemia, large-cell lymphoma, Hodgkin's lymphoma)
  • Other malignancies except for localized skin cancer
  • Continuous systemic corticosteroid treatment
  • Known infection with hepatitis B or C

Study Plan

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

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Rituximab + Fludarabine + Cyclophosphamide
Participants will receive 6 cycles (cycle length = 28 days) of treatment with rituximab (375 milligrams per square meter [mg/m^2] as intravenous [IV] infusion on Day 0 of Cycle 1 and 500 mg/m^2 as IV infusion on Day 1 of Cycles 2-6); fludarabine (25 mg/m^2 on Days 1-3) and cyclophosphamide (250 mg/m^2 on Days 1-3). Participants with a partial or complete response and appropriate neutrophil conditions will receive maintenance treatment with rituximab (375 mg/m^2 as IV infusion every 2 months) from 3 months after Day 1 Cycle 6 up to a total of 18 doses or up to 3 years after Cycle 6.
Drug: Cyclophosphamide
Cyclophosphamide 250 mg/m^2 as IV infusion will be administered on Days 1-3 of first six 28-day cycles.
Drug: Fludarabine
Fludarabine 25 mg/m^2 as IV infusion will be administered on Days 1-3 of first six 28-day cycles.
Drug: Rituximab
Rituximab 375 mg/m^2 as IV infusion will be administered on Day 0 of Cycle 1; 500 mg/m^2 as IV infusion will be administered on Day 1 of Cycle 2-6; and 375 mg/m^2 as IV infusion every 2 months from 3 months after Day 1 Cycle 6 up to a total of 18 doses or up to 3 years after Cycle 6.
Other Names:
  • MabThera, Rituxan

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Percentage of Participants With CR Achieved After the Rituximab, Fludarabine, and Cyclophosphamide Regimen
Time Frame: Month 9
CR was defined as no adenopathies (ADPs) and visceromegalies (VSMs) in physical examination (PE); no general symptoms (Sx); lymphocytes (Lymph) in peripheral blood less than (<) 4000 per cubic millimeter (mm^3); normalization of peripheral blood parameters: neutrophils (Neut) greater than (>) 1500/mm^3, platelets (Plt) >100,000/mm^3, hemoglobin (Hb) >11 grams per deciliter (g/dL) without transfusion; normocellular bone marrow (BM) with <30% Lymph; BM aspirate/biopsy with no evidence of infiltration of lymphoid nodules.
Month 9

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Percentage of Participants With Clinical Response of CR or PR as Assessed by Multiparameter Flow Cytometry
Time Frame: Post-Induction Phase (IP): at 6 months; during Maintenance Phase (MP): at Cycles 9, 12, 15, 18 (cycle length = 2 months); during Follow-Up (FU): at Follow-Up Months 6, 12, 18, 24, 30, 36
CR was defined as no ADPs and VSMs in PE; no general Sx; Lymph in peripheral blood <4000/mm^3; normalization of peripheral blood parameters: Neut >1500/mm^3, Plt >100,000/mm^3, Hb >11 g/dL without transfusion; normocellular BM with <30% Lymph; BM aspirate/biopsy with no evidence of infiltration of lymphoid nodules. PR was defined as decrease >50% in Lymph in peripheral blood; reduction in ADPs >50% in total sum of up to 6 ADPs or in the baseline ADP of largest diameter (LD), no new ADP or enlargement of a prior ADP; >50% decrease in VSM; Neut >1500/mm^3 or >50% increase from Baseline; Plt >100,000/mm^3 or >50% increase from Baseline; Hb >11.0 g/dL or >50% increase from Baseline value without transfusion. Participants who met all CR criteria but had persistent anemia or thrombocytopenia were considered as PR.
Post-Induction Phase (IP): at 6 months; during Maintenance Phase (MP): at Cycles 9, 12, 15, 18 (cycle length = 2 months); during Follow-Up (FU): at Follow-Up Months 6, 12, 18, 24, 30, 36
Percentage of Participants With Clinical Response of CR or PR Among Participants With Negative Minimal Residual Disease (MRD) as Assessed by Multiparameter Flow Cytometry
Time Frame: Post-Induction Phase: at 6 months; during Maintenance Phase: at Cycles 9, 12, 15, 18 (cycle length = 2 months); during Follow-Up: at Follow-Up Months 6, 12, 18, 24, 36
CR: no ADPs and VSMs in PE; no general Sx; Lymph in peripheral blood <4000/mm^3; normalization of peripheral blood parameters: Neut >1500/mm^3, Plt >100,000/mm^3, Hb >11 g/dL without transfusion; normocellular BM with <30% Lymph; BM aspirate/biopsy with no evidence of infiltration of lymphoid nodules. PR: decrease >50% in Lymph in peripheral blood; reduction in ADPs >50% in total sum of up to 6 ADPs or in the baseline ADP of largest diameter (LD), no new ADP or enlargement of a prior ADP; >50% decrease in VSM; Neut >1500/mm^3 or >50% increase from Baseline; Plt >100,000/mm^3 or >50% increase from Baseline; Hb >11.0 g/dL or >50% increase from Baseline value without transfusion. Participants who met all CR criteria but had persistent anemia or thrombocytopenia were considered as PR. Negative MRD: Lymph <0.01% of all white blood cells (WBCs) in blood or BM after two consecutive measurements. Analysis performed only in blood during the Maintenance Phase and Follow-Up.
Post-Induction Phase: at 6 months; during Maintenance Phase: at Cycles 9, 12, 15, 18 (cycle length = 2 months); during Follow-Up: at Follow-Up Months 6, 12, 18, 24, 36
Percentage of Participants With CR With Incomplete Bone Marrow Recovery (CRi)
Time Frame: Baseline up to progressive disease (PD) or death due to any cause, whichever occurred first (up to 92 months)
Participants with CRi were those who met all CR criteria (including BM examinations) but had persistent anemia, thrombocytopenia, or neutropenia apparently unrelated to chronic lymphocytic leukemia (CLL) but related to drug toxicity. CR: no ADPs and VSMs in PE; no general Sx; Lymph in peripheral blood <4000/mm^3; normalization of peripheral blood parameters: Neut >1500/mm^3, Plt >100,000/mm^3, Hb >11 g/dL without transfusion; normocellular BM with <30% Lymph; BM aspirate/biopsy with no evidence of infiltration of lymphoid nodules.
Baseline up to progressive disease (PD) or death due to any cause, whichever occurred first (up to 92 months)
Percentage of Participants Who Died
Time Frame: Baseline up to death due to any cause (up to 92 months)
Baseline up to death due to any cause (up to 92 months)
Overall Survival (OS)
Time Frame: Baseline up to death due to any cause (up to 92 months)
OS was defined as time from treatment start to death of the participant. For all other participants, the last follow-up available was taken as the last control. If the participant had not completed the study, the date of the last visit available was considered. OS was estimated using Kaplan-Meier (KM) methodology.
Baseline up to death due to any cause (up to 92 months)
Percentage of Participants With PD or Death
Time Frame: Baseline up to PD or death due to any cause, whichever occurred first (up to 92 months)
PD was defined as new ADPs (1.5 centimeters [cm]), hepato-/splenomegaly (HSM), Richter syndrome (RS), or other infiltrated organs; greater than or equal to (>/=) 50% increase in size of Baseline prior ADPs or HSM in participants with PR; Lymph increase >/=50% in peripheral blood with B Lymph >/=5000/mm^3; cytopenia attributable to CLL. Progression of any cytopenia (not related to autoimmune cytopenia) reported as a 2-g/dL decrease in basal Hb, Hb <10 g/dL, >/=50% decrease in basal Plt count, or count <100,000/mm^3 at >/=3 months post-treatment was defined as PD if BM biopsy confirmed infiltration of clonal CLL cells.
Baseline up to PD or death due to any cause, whichever occurred first (up to 92 months)
Progression-Free Survival (PFS)
Time Frame: Baseline up to PD or death due to any cause, whichever occurred first (up to 92 months)
PFS was defined as time from start of study treatment to PD or death, whichever occurred first. For other participants, last follow-up available was taken as last control. If participant did not complete study, date of last visit available was considered. PFS was estimated using KM methodology. PD was defined as new ADPs (1.5 cm), HSM, RS, or other infiltrated organs; >/=50% increase in size of Baseline prior ADPs or HSM in participants with PR; Lymph increase >/=50% in peripheral blood with B Lymph >/=5000/mm^3; cytopenia attributable to CLL. Progression of any cytopenia (not related to autoimmune cytopenia) reported as a 2-g/dL decrease in basal Hb, Hb <10 g/dL, >/=50% decrease in basal Plt count, or count <100,000/mm^3 at >/=3 months post-treatment was defined as PD if BM biopsy confirmed infiltration of clonal CLL cells.
Baseline up to PD or death due to any cause, whichever occurred first (up to 92 months)
Treatment-Free Survival (TFS)
Time Frame: Baseline up to PD or death due to any cause, whichever occurred first (up to 92 months)
TFS was defined time from start of study treatment until participant received new chemotherapy/immunotherapy because of PD and to reduce the disease with palliative or curative intent. PD was defined as new ADPs (1.5 cm), HSM, RS, or other infiltrated organs; >/=50% increase in size of Baseline prior ADPs or HSM in participants with PR; Lymph increase >/=50% in peripheral blood with B Lymph >/=5000/mm^3; cytopenia attributable to CLL. Progression of any cytopenia (not related to autoimmune cytopenia) reported as a 2-g/dL decrease in basal Hb, Hb <10 g/dL, >/=50% decrease in basal Plt count, or count <100,000/mm^3 at >/=3 months post-treatment was defined as PD if BM biopsy confirmed infiltration of clonal CLL cells.
Baseline up to PD or death due to any cause, whichever occurred first (up to 92 months)
Duration of Response (DOR)
Time Frame: From first CR or PR up to detectable MRD or disease occurrence/PD, whichever occurred first (up to 92 months)
DOR: time from CR/PR to MRD/PD. PD: new ADP (1.5 cm), HSM, RS, other infiltrated organs or >/=50% increase size in those with PR; blood Lymph increase >/=50% with B Lymph >/=5000/mm^3; cytopenia due to CLL. Progression of (nonautoimmune) cytopenia: 2-g/dL decrease basal Hb, Hb <10 g/dL, >/=50% decrease basal Plt or <100,000/mm^3 at >/=3 months post-treatment was PD if clonal CLL cell infiltration on BM biopsy. CR: no ADP/VSM in PE; no general Sx; blood Lymph <4000/mm^3; Neut >1500/mm^3; Plt >100,000/mm^3; Hb >11 g/dL (no transfusion); normocellular BM with <30% Lymph; BM aspirate/biopsy with no lymphoid nodule infiltration. PR: >50% decrease blood Lymph; >50% decrease in total sum up to 6 ADPs or baseline ADP of LD, no new/enlargement of prior ADP; >50% decrease VSM; Neut >1500/mm^3 or >50% increase; Plt >100,000/mm^3 or >50% increase; Hb >11.0 g/dL or >50% increase (no transfusion). All CR criteria but persistent anemia or thrombocytopenia was PR. MRD: Lymph >0.01% of blood/BM WBCs.
From first CR or PR up to detectable MRD or disease occurrence/PD, whichever occurred first (up to 92 months)
Percentage of Participants With Cluster of Differentiation (CD) 38 Cells >/=30% in Peripheral Blood
Time Frame: Post-Induction Phase: at 6 months; during Maintenance Phase: at Cycles 9, 12, 15, 18 (cycle length = 2 months); during Follow-Up: at Follow-Up Months 6, 12, 18, 24, 30, 36
Percentages of participants with CD38 expression by >/=30% of CLL cells during the Induction Phase, Maintenance Phase, and Follow-Up were reported.
Post-Induction Phase: at 6 months; during Maintenance Phase: at Cycles 9, 12, 15, 18 (cycle length = 2 months); during Follow-Up: at Follow-Up Months 6, 12, 18, 24, 30, 36
Percentage of Participants With Genetic Abnormalities
Time Frame: Post-Induction Phase: at 6 months; during Maintenance Phase: at Cycles 9, 12, 15, 18 (cycle length = 2 months)
Percentages of participants with genetic abnormalities (deletion 6q, deletion 11q22-q23, deletion p53, trisomy 12, and deletion 13q14) in the course of the disease during the Induction Phase and Maintenance Phase were reported.
Post-Induction Phase: at 6 months; during Maintenance Phase: at Cycles 9, 12, 15, 18 (cycle length = 2 months)
Percentage of Participants With Positive and Negative Zeta-Chain-Associated Protein Kinase 70 (ZAP-70) Expression
Time Frame: Post-Induction Phase: at 6 months; during Maintenance Phase: at Cycles 9, 12, 15, 18 (cycle length = 2 months); during Follow-Up: at Follow-Up Months 6, 12, 18, 24, 30, 36
Percentages of participants with positive and negative ZAP-70 expression during the Induction Phase, Maintenance Phase, and Follow-Up were reported. Positive ZAP-70 was defined as ZAP-70 expression by >/=20% of CLL cells. Negative ZAP-70 was defined as ZAP-70 expression by <20% of CLL cells.
Post-Induction Phase: at 6 months; during Maintenance Phase: at Cycles 9, 12, 15, 18 (cycle length = 2 months); during Follow-Up: at Follow-Up Months 6, 12, 18, 24, 30, 36
Percentage of Participants With Immunoglobulin Heavy Locus (IgH) Rearrangement
Time Frame: Post-Induction Phase: at 6 months; during Maintenance Phase: at Cycles 9, 12, 15, 18 (cycle length = 2 months); during Follow-Up: at Follow-Up Months 6, 12, 18, 24, 30, 36
Percentages of participants with IgH rearrangement during the Induction Phase, Maintenance Phase, and Follow-Up were reported.
Post-Induction Phase: at 6 months; during Maintenance Phase: at Cycles 9, 12, 15, 18 (cycle length = 2 months); during Follow-Up: at Follow-Up Months 6, 12, 18, 24, 30, 36

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Hoffmann-La Roche

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
November 21, 2007

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
May 20, 2016

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
May 20, 2016

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
October 16, 2007

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 16, 2007

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
October 17, 2007

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
January 16, 2019

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 27, 2018

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
July 1, 2018

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • ML21135
  • 2007-002733-36 (EudraCT Number)

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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