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Gastrointestinal Stromal TumorsPhase 1/2NCT05080621

Ripretinib in Combination With Binimetinib in Patients With Gastrointestinal Stromal Tumor (GIST)

A Phase 1/2 study testing Ripretinib and binimetinib in people with Gastrointestinal Stromal Tumors, run by Deciphera Pharmaceuticals, LLC.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

Multicenter, open-label Phase 1b/2 study of ripretinib in combination with binimetinib in patients with gastrointestinal stromal tumor (GIST). There will be 2 distinct parts in this study: Dose Escalation (Phase 1) and Expansion (Phase 2). Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Gastrointestinal Stromal Tumors
What is being tested?
Ripretinib and binimetinib
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
0 participants
Where
No sites listed yet
Study dates
Nov 2021to May 2027
Phase
Phase 1/2
Are there results?
None posted in the registry

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

  • Patients ≥18 years of age with advanced GIST (unresectable or metastatic).
  • Must have at least progressed on imatinib or have documented intolerance to imatinib.
  • Patients must have an Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1.
  • Patients must have a histologic diagnosis of GIST.
  • If a female of childbearing potential, must have a negative pregnancy test.
  • Adequate organ function and bone marrow function

Who cannot join

  • Received prior anticancer therapy within 14 days or 5× the half-life whichever is longer) prior to the first dose.
  • Ongoing or prior participation in the DCC-2618-03-002 study.
  • Prior therapy with ripretinib.
  • Prior therapy with MEK inhibitor.
  • History of certain ocular disorders.
  • History of clinically significant hepatobiliary disease.
Show all 14Show fewer
  • Known active central nervous system metastases.
  • History or presence of clinically relevant cardiovascular abnormalities.
  • Systemic arterial or venous thrombotic or embolic events within 6 months of first dose.
  • History of acute or chronic pancreatitis
  • History of chronic inflammatory bowel disease or Crohn's disease requiring intervention within 12 months of first dose.
  • Gastrointestinal abnormalities including but not limited to:
  • inability to take oral medication,
  • malabsorption syndromes

About this study

Official title: A Phase 1b/2, Open-label, Multicenter Study to Evaluate the Safety, Tolerability, Efficacy, and Pharmacokinetics of Ripretinib in Combination With Binimetinib in Patients With Gastrointestinal Stromal Tumor (GIST)

Multicenter, open-label Phase 1b/2 study of ripretinib in combination with binimetinib in patients with gastrointestinal stromal tumor (GIST). There will be 2 distinct parts in this study: Dose Escalation (Phase 1) and Expansion (Phase 2).

Being tested
Ripretinib, binimetinib
Medical subject headings
Gastrointestinal Stromal Tumors

What participants receive

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

  • RipretinibDrug

    Also called DCC-2618, QINLOCK

    50 mg tablets

  • binimetinibDrug

    Also called Mektovi

    15 mg tablets

Study groups in NCT05080621
Study groupRoleWhat they receive
EscalationExperimentalEscalation Phase: Increasing doses of ripretinib in combination with increase doses of binimetinib in patients with advanced GIST who have progressed on at least imatinib or are intolerant to imatinib and are ripretinib naïve in repeated 28-day cycles. Participants may remain on treatment until disease progression, unacceptable toxicity, or withdrawal of consent
Receives: Drug: Ripretinib; Drug: binimetinib
ExpansionExperimentalRipretinib in combination with binimetinib at the recommended Phase 2 dose (RP2D) in patients with advanced GIST who have progressed on imatinib or are intolerant to imatinib and are naïve. Participants may remain on treatment until disease progression, unacceptable toxicity, or withdrawal of consent
Receives: Drug: Ripretinib; Drug: binimetinib

What is being measured

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

  1. Safety/tolerability of oral ripretinib in combination with binimetinib: incidence of adverse events

    Adverse events [TEAEs, SAEs, AESIs], dose reduction, dose interruption, or discontinuation, vital signs (heart rate [beats/min], and changes in laboratory parameters (chemistry, hematology, urinalysis, coagulation).

    Measured: Approximately 12 months

  2. Determination of the Maximum Tolerated Dose and the Recommended Phase 2 Dose

    Measured: Approximately 12 months

  3. Expansion Phase Only: Evaluate the objective response rate (ORR) of ripretinib in combination with binimetinib by modified RECIST

    Measure ORR

    Measured: Approximately 36 months

Secondary outcomes (10)
  1. Determine the time to maximum observed concentration (tmax) profile of oral ripretinib in combination with binimetinib

    Measure Tmax

    Measured: Cycle 1 Day 1, and Cycle 1 Day15 (pre-dose and at multiple time points [up to 8 hours] post-dose). Each cycle is 28 days

  2. Determine the maximum observed concentration (Cmax) profile of oral ripretinib in combination with binimetinib

    Measure Cmax

    Measured: Cycle 1 Day 1, and Cycle 1 Day15 (pre-dose and at multiple time points [up to 8 hours] post-dose). Each cycle is 28 days

  3. Determine the minimum observed concentration (Cmin) profile of oral ripretinib in combination with binimetinib

    Measure Cmin

    Measured: Cycle 1 Day 1, and Cycle 1 Day15 (pre-dose and at multiple time points [up to 8 hours] post-dose). Each cycle is 28 days

  4. Determine the area under the concentration-time curve (AUC) profile of oral ripretinib in combination with binimetinib

    Measure AUC

    Measured: Cycle 1 Day 1, and Cycle 1 Day15 (pre-dose and at multiple time points [up to 8 hours] post-dose). Each cycle is 28 days

  5. Evaluate the objective response rate (ORR) of ripretinib in combination with binimetinib by modified RECIST (escalation phase only) and Choi criteria (escalation and expansion phases)

    Measure ORR

    Measured: Approximately 36 months

  6. Evaluate the progression-free survival (PFS) of ripretinib in combination with binimetinib

    Measure PFS

    Measured: Approximately 36 months

  7. Evaluate the overall survival (OS) of ripretinib in combination with binimetinib

    Measure OS

    Measured: Approximately 36 months

  8. Evaluate the duration of response (DOR) of ripretinib in combination with binimetinib

    Measure DOR

    Measured: Approximately 36 months

  9. Evaluate the clinical benefit rate (CBR) of ripretinib in combination with binimetinib

    Measure CBR

    Measured: Approximately 36 months

  10. Evaluate the time to response (TTR) of ripretinib in combination with binimetinib

    Measure TTR

    Measured: Approximately 36 months

Timeline

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

  1. First posted18 Oct 2021
  2. Study startNov 2021 (estimated)
  3. Primary completionNov 2025 (estimated)
  4. Study completionMay 2027 (estimated)

Why it stopped: The Sponsor decided to discontinue this study due to a corporate restructuring intended to prioritize clinical development of select programs. No patients enrolled in this study and no patients received investigational product.

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 1/2
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Sequential
Masking
None (open label)
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05080621
Sponsor's protocol ID
DCC-2618-01-008
Status last verified
Dec 2021
First submitted
20 Sep 2021
Last updated
5 Jan 2022
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing Ripretinib and binimetinib in people with Gastrointestinal Stromal Tumors, run by Deciphera Pharmaceuticals, LLC.

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 6 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: withdrawn, as of the sponsor's last update on 5 Jan 2022. Status can change between updates, so confirm with the study contact before making plans.

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 combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

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?

The study was withdrawn before enrolling participants, so there are no results.

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?

Safety/tolerability of oral ripretinib in combination with binimetinib: incidence of adverse events (time frame: Approximately 12 months). The study lists 3 primary outcomes in all. 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 5 Jan 2022.

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