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Closed (no longer recruiting)Last updated: 7 February 2024

Intrigue: This phase III trial is evaluating two oral therapies (DCC-2618 and sunitinib) in patients with advanced gastrointestinal stromal tumours following prior treatmentA Phase 3, Interventional, Randomized, Multicenter, Open-Label Study of DCC-2618 vs Sunitinib in Patients With Advanced Gastrointestinal Stromal Tumors After Treatment With Imatinib

Clinical summary

Summary

In this trial, patients will be randomised to receive 150mg of oral DCC-2618 or 50mg of oral sunitinib daily. To join this trial, patients must have a histologic diagnosis of GIST and have progressed on imatinib or have documented intolerance to imatinib therapy.

Conditions

This trial is treating patients with gastrointestinal stromal tumours (GIST)

Cancer

Upper gastrointestinal tract Cancers Upper gastrointestinal tract

Age

People18+

Phase

III

Trial Acronym

Intrigue

More information

Trial Identifiers

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Trial sponsor

Deciphera Pharmaceuticals LLC

Scientific Title

A Phase 3, Interventional, Randomized, Multicenter, Open-Label Study of DCC-2618 vs Sunitinib in Patients With Advanced Gastrointestinal Stromal Tumors After Treatment With Imatinib

Eligibility

Inclusion

  1. Patients ≥ 18 years of age at the time of informed consent.
  2. Histologic diagnosis of GIST and must be able to provide an archival tumor tissue sample, otherwise, a fresh biopsy is required.
  3. Molecular pathology report must be available. If molecular pathology report is not available or insufficient, an archival tumor tissue sample or fresh biopsy is required for mutation status confirmation by the central laboratory prior to randomization.
  4. Patients must have progressed on imatinib or have documented intolerance to imatinib.
  5. Eastern Cooperative Oncology Group (ECOG) Performance Score (PS) of ≤ 2 at screening.
  6. Female patients of childbearing potential must have a negative serum beta-human chorionic gonadotropin (β-hCG) pregnancy test at screening and negative pregnancy test at Cycle 1 Day 1 prior to the first dose of study drug.
  7. Patients of reproductive potential must agree to follow the contraception requirements outlined in the study protocol.
  8. Patients must have at least 1 measurable lesion according to Modified Response Evaluation Criteria in Solid Tumors (mRECIST) Version 1.1 (non nodal lesions must be ≥ 1.0 cm in the long axis or ≥ double the slice thickness in the long axis) within 21 days prior to the first dose of study drug.
  9. Adequate organ function and bone marrow reserve as indicated by the central laboratory assessments performed at screening.
  10. Resolution of all toxicities from prior therapy to ≤ Grade 1 (or patient baseline) within 1 week prior to the first dose of study drug (excluding alopecia and ≤ Grade 3 clinically asymptomatic lipase, amylase, and creatine phosphokinase laboratory abnormalities).
  11. The patient is capable of understanding and complying with the protocol and the patient has signed the informed consent document. Signed informed consent form (ICF) must be obtained before any study-specific procedures are performed and the patient must agree to not participate in any other interventional clinical trial while on treatment in this clinical trial. Participation in a noninterventional study (including observational studies) is permitted.

Exclusion

  1. Treatment with any other line of therapy in addition to imatinib for advanced GIST. Imatinib-containing combination therapy in the first-line setting is not allowed.
  2. Patients with a prior or concurrent malignancy whose natural history or treatment have the potential to interfere with the safety or efficacy assessment of this clinical trial are not eligible.
  3. Patient has known active central nervous system metastases.
  4. New York Heart Association class II-IV heart disease, myocardial infarction within 6 months of cycle 1 day 1, active ischemia or any other uncontrolled cardiac condition such as angina pectoris, clinically significant cardiac arrhythmia requiring therapy, uncontrolled hypertension or congestive heart failure.
  5. Left ventricular ejection fraction (LVEF) < 50% at screening.
  6. Arterial thrombotic or embolic events such as cerebrovascular accident (including ischemic attacks) or hemoptysis within 6 months before the first dose of study drug.
  7. Venous thrombotic events (e.g. deep vein thrombosis) or pulmonary arterial events (e.g. pulmonary embolism) within 1 month before the first dose of study drug. Patients on stable anticoagulation therapy for at least one month are eligible.
  8. 12-lead ECG demonstrating QT interval corrected (QTc) by Fridericia's formula > 450 ms in males or > 470 ms in females at screening or history of long QTc syndrome
  9. Use of known substrates or inhibitors of breast cancer resistance protein (BCRP) transporters within 14 days or 5 x the half-life (whichever is longer) prior to the first dose of study drug.
  10. Major surgeries (e.g. abdominal laparotomy) within 4 weeks of the first dose of study drug. All major surgical wounds must be healed and free of infection or dehiscence before the first dose of study drug.
  11. Any other clinically significant comorbidities.
  12. Known human immunodeficiency virus or hepatitis C infection only if the patient is taking medications that are excluded per protocol, active hepatitis B, or active hepatitis C infection.
  13. If female, the patient is pregnant or lactating.
  14. Known allergy or hypersensitivity to any component of the study drug.
  15. Gastrointestinal abnormalities including but not limited to:

    • inability to take oral medication
    • malabsorption syndromes
    • requirement for intravenous (IV) alimentation
  16. Any active bleeding excluding hemorrhoidal or gum bleeding.

Inclusion

  • You are able to swallow medication by mouth.
  • You have had a certain type of treatment or surgical procedure.
  • You have had treatment but your cancer has gotten worse or has not responded to the treatment you have been given.

Exclusion

  • You have been diagnosed with a prior or secondary type of cancer.
  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria.

Ask your doctor if this trial could be right for you.

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