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Waldenstrom's MacroglobulinemiaPhase 2NCT02439138

Study of Phosphatidylinositol-3-kinase (PI3K) Inhibitor Idelalisib (GS-1101) in Waldenström Macroglobulinemia

A Phase 2 study testing GS-1101 in people with Waldenstrom's Macroglobulinemia, run by Dana-Farber Cancer Institute at 1 site in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

This research study is evaluating a drug called idelalisib (formerly known as GS-1101 or CAL-101) as a possible treatment for Waldenstrom's Macroglobulinemia (WM). Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Waldenstrom's Macroglobulinemia
What is being tested?
GS-1101
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
5 participants
Where
1 siteUnited States
Study dates
Oct 2015to Apr 2016
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Participants must meet the following criteria on screening examination to be eligible to participate in the study:
  • Clinicopathological diagnosis of Waldenstrom's Macroglobulinemia and meeting criteria for treatment using consensus panel criteria from the Second International Workshop on Waldenstrom's macroglobulinemia (Owen 2003; Kyle 2003).
  • Measurable disease, defined as presence of serum immunoglobulin M (IgM) with a minimum IgM level of > 2 times the upper limit of normal of each institution is required.
  • Have received at least one prior therapy for WM.
  • Age ≥18 years.
  • ECOG performance status <2 (see Appendix A.).
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  • Participants must have normal organ and marrow function as defined below:
  • Absolute neutrophil count > 1,000/mm3
  • Platelets > 50,000/mm3
  • Hemoglobin > 8 g/dL
  • Total bilirubin ≤1.5 mg/dL or < 2 mg/dL if attributable to hepatic infiltration by neoplastic disease
  • AST (SGOT) and ALT (SGPT) < 2.5 X institutional upper limit of normal
  • Creatinine ≤ 2 mg/dL
  • Not on any active therapy for other malignancies with the exception of topical therapies for basal cell or squamous cell cancers of the skin.
  • Females of childbearing potential (FCBP) must agree to use two reliable forms of contraception simultaneously or have or will have complete abstinence from heterosexual intercourse during the following time periods related to this study:
  • 1) while participating in the study; and 2) for at least 28 days after discontinuation from the study. Men must agree to use a latex condom during sexual contact with a FCBP even if they have had a successful vasectomy. FCBP must be referred to a qualified provider of contraceptive methods if needed.
  • Able to adhere to the study visit schedule and other protocol requirements.
  • Ability to understand and the willingness to sign a written informed consent document

Who cannot join

  • Any serious medical condition, laboratory abnormality, uncontrolled intercurrent illness, or psychiatric illness/social condition that would prevent the participant from signing the informed consent form
  • Concurrent use of any other anti-cancer agents or treatments or any other study agents
  • Prior exposure to idelalisib
  • Prior or ongoing clinically significant illness, medical condition, surgical history, physical finding, ECG finding, or laboratory abnormality that, in the investigator's opinion, could affect the safety of the patient; alter the absorption, distribution, metabolism or excretion of Idelalisib; or impair the assessment of study results
  • Grade > 2 toxicity (other than alopecia) continuing from prior anti-cancer therapy
  • Known central nervous system lymphoma
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  • Significant cardiovascular disease such as uncontrolled or symptomatic arrhythmias, congestive heart failure, or myocardial infarction within 6 months of screening
  • New York Heart Association classification III or IV heart failure.
  • Malabsorption syndrome, disease significantly affecting gastrointestinal function, or resection of the stomach or small bowel, ulcerative colitis, symptomatic inflammatory bowel disease, or partial or complete bowel obstruction.
  • Known history of Human Immunodeficiency Virus (HIV), Hepatitis B Virus (HBV), and/or Hepatitis C Virus (HCV) infection
  • Lactating or pregnant women
  • Inability to swallow capsules
  • History of non-compliance to medical regimens
  • Unwilling or unable to comply with the protocol

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Dana Farber Cancer Institute

    Boston, Massachusetts, 02215

Other trials in United States

About this study

Official title: Phase II Study of Phosphatidylinositol-3-kinase (PI3K) Inhibitor Idelalisib (GS-1101) in Waldenström Macroglobulinemia

This research study is evaluating a drug called idelalisib (formerly known as GS-1101 or CAL-101) as a possible treatment for Waldenstrom's Macroglobulinemia (WM).

Read the detailed description

This research study is a Phase II clinical trial. Phase II clinical trials test the effectiveness of an investigational drug, idelalisib, to learn whether idelalisib works in treating a specific cancer. "Investigational" means that idelalisib is still being studied and that research doctors are trying to find out more about it-such as the safest dose to use, the side effects it may cause, and if idelalisib is effective for treating different types of cancer. Idelalisib has already been approved in the US by the FDA to treat patients with relapsed chronic lymphocytic leukemia, follicular lymphoma and small lymphocytic lymphoma.

Idelalisib is a newly discovered drug that is being developed as an anti-cancer agent. This drug has been used in laboratory experiments and other research studies in B-cell malignancies and information from those other research studies suggests that idelalisib may help to target the tumor cells in B-cell malignancies, including WM. B cells are a type of white blood cell responsible for making antibodies.

In this research study, the investigators are testing the safety and efficacy of idelalisib as a treatment option for relapsed or refractory Waldenstrom's Macroglobulinemia.

Being tested
GS-1101
Keywords
Waldenstrom's Macroglobulinemia
Medical subject headings
Waldenstrom Macroglobulinemia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • GS-1101Drug

    Also called Idealisib, Zydelig, CAL-101

    Oral twice daily for 6 months followed by once daily until disease progression or unacceptable toxicity.

Study groups in NCT02439138
Study groupRoleWhat they receive
GS-1101ExperimentalAfter the screening procedures confirms eligibility to participate in the research study. Treatment will be administered on an outpatient basis. -- Idelalisib (GS-11-01) orally, predetermined dose twice daily per cycle for up to 6 cycles. After this initial 6 month period, for Cycles 7 and beyond, Idelalisib will be administered once a day until disease progression.
Receives: Drug: GS-1101

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Overall Response Rate (ORR)

    ORR measured by decrease in serum IgM level by at least 25% from baseline.

    Measured: Participants were followed for the duration of therapy, a median of one cycle, for up to 3 cycles.

Secondary outcomes (7)
  1. Percentage of Participants With Adverse Events

    Assess the safety and tolerability of idelalisib

    Measured: Participants were followed for the duration of therapy, a median of one cycle, for up to 3 cycles.

  2. Rate of Complete Response (CR)

    CR measured by decrease in serum IgM levels to normal range, disappearnace of monoclonal protein by immunofixation, no evidence of bone marrow involvement, and resolution of any extramedullary disease by CT scan.

    Measured: Participants were followed for the duration of therapy, a median of one cycle, for up to 3 cycles.

  3. Rate of Very Good Partial Response (VGPR)

    VGPR measured by decrease in serum IgM levels of at least 90% from baseline.

    Measured: Participants were followed for the duration of therapy, a median of one cycle, for up to 3 cycles.

  4. Rate of Partial Response (PR)

    PR measured by decrease in serum IgM levels of between 25% and 50% from baseline.

    Measured: Participants were followed for the duration of therapy, a median of one cycle, for up to 3 cycles.

  5. Rate of Minimal Response

    Minimal response measured by decrease in serum IgM levels of between 25% and 50%.

    Measured: Participants were followed for the duration of therapy, a median of one cycle, for up to 3 cycles.

  6. Rate of Stable Disease

    Stable disease measured by serum IgM levels <25% reduced from baseline.

    Measured: Participants were followed for the duration of therapy, a median of one cycle, for up to 3 cycles.

  7. Rate of Progressive Disease

    Progressive disease measured by an 25% increase in serum IgM level with an absolute increase of at least 500mg/dL from the lowest attained IgM on therapy.

    Measured: Participants were followed for the duration of therapy, a median of one cycle, for up to 3 cycles.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 May 2015 (estimated)
  2. Study startOct 2015
  3. Primary completionApr 2016
  4. Study completionApr 2016

Why it stopped: Safety issues from trials in CLL

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
5 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02439138
Sponsor's protocol ID
15-040
Other IDs
ISR IN-US-313-1609
Status last verified
Nov 2016
First submitted
29 Apr 2015
Last updated
11 Jan 2017
Data monitoring committee
Yes
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing GS-1101 in people with Waldenstrom's Macroglobulinemia, run by Dana-Farber Cancer Institute at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 18 inclusion and 14 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 11 Jan 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 11 Jan 2017). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Overall Response Rate (ORR) (time frame: Participants were followed for the duration of therapy, a median of one cycle, for up to 3 cycles.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 11 Jan 2017.

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