Study of IDE397 in Participants With Solid Tumors Harboring MTAP Deletion
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ClinicalTrials.gov Identifier: NCT04794699 |
Recruitment Status :
Recruiting
First Posted : March 12, 2021
Last Update Posted : December 2, 2022
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Solid Tumor | Drug: IDE397 Drug: Docetaxel Drug: Paclitaxel Drug: Gemcitabine Drug: Nab paclitaxel Drug: Pemetrexed | Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 382 participants |
Allocation: | Non-Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | An Open Label, Phase 1, Treatment Study to Evaluate the Safety, Pharmacokinetics and Pharmacodynamics of IDE397 (MAT2A Inhibitor) In Adult Participants With Advanced Solid Tumors |
Actual Study Start Date : | April 14, 2021 |
Estimated Primary Completion Date : | December 31, 2023 |
Estimated Study Completion Date : | June 30, 2024 |

Arm | Intervention/treatment |
---|---|
Experimental: Part 1: Dose Escalation Monotherapy (Solid Tumors) |
Drug: IDE397
IDE397 dosed orally |
Experimental: Part 2: Monotherapy Dose Expansion (NSCLC, Esophagogastric and Solid Tumors) |
Drug: IDE397
IDE397 dosed orally |
Experimental: Part 3: Combination Dose Escalation with docetaxel (NSCLC) or paclitaxel (Solid tumors) |
Drug: IDE397
IDE397 dosed orally Drug: Docetaxel Intravenous infusion Drug: Paclitaxel Intravenous infusion |
Experimental: Part 4: Combination Dose Expansion with docetaxel (NSCLC) or paclitaxel (Esophagogastric) |
Drug: IDE397
IDE397 dosed orally Drug: Docetaxel Intravenous infusion |
Experimental: Part 5: Combination Dose Escalation with gemcitabine and nab-paclitaxel (Pancreatic) |
Drug: IDE397
IDE397 dosed orally Drug: Gemcitabine Intravenous infusion Drug: Nab paclitaxel Intravenous infusion |
Experimental: Part 6: Combination Dose Expansion with gemcitabine and nab-paclitaxel (Pancreatic) |
Drug: IDE397
IDE397 dosed orally Drug: Gemcitabine Intravenous infusion Drug: Nab paclitaxel Intravenous infusion |
Experimental: Part 7: Combination Dose Escalation with pemetrexed (Solid Tumors) |
Drug: IDE397
IDE397 dosed orally Drug: Pemetrexed Intravenous infusion |
Experimental: Part 8: Combination Dose Expansion with pemetrexed (Solid Tumors) |
Drug: IDE397
IDE397 dosed orally Drug: Pemetrexed Intravenous infusion |
- Dose-limiting Toxicities (DLTs) of IDE397 [ Time Frame: 21 days following the first dose of IDE397 ]Incidence of DLTs of IDE397 will be determined
- Dose-limiting Toxicities (DLTs) of IDE397 in combination with either docetaxel, paclitaxel, gemcitabine and nab-paclitaxel or pemetrexed [ Time Frame: 21 - 28 days following the first dose of IDE397 ]Incidence of DLTs of IDE397 in a combination setting will be determined
- Maximum Tolerated Dose (MTD) and/or Recommended Phase 2 Dose (RP2D) of IDE397 [ Time Frame: Approximately 2 years ]MTD and RP2D of IDE397 will be determined
- Maximum Tolerated Dose (MTD) and/or Recommended Phase 2 Dose (RP2D) of IDE397 in combination with either docetaxel, paclitaxel, gemcitabine and nab-paclitaxel or pemetrexed [ Time Frame: Approximately 2 years ]MTD and RP2D of IDE397 in a combination setting will be determined
- Objective Response Rate (ORR) and Duration of Response (DoR) [ Time Frame: Approximately 2 years ]To evaluate preliminary anti-tumor activity of IDE397 in combination expansion arms
- Plasma Pharmacokinetics of IDE397 and metabolite [ Time Frame: Approximately 2 years ]Pharmacokinetics of IDE397 and metabolite following single and multiple oral administration as a single agent and in combination with either docetaxel, paclitaxel, gemcitabine and nab-paclitaxel or pemetrexed will be determined
- Drug interaction between IDE397 and docetaxel or paclitaxel, nab-paclitaxel and gemcitabine and pemetrexed [ Time Frame: Approximately 2 years ]Pharmacokinetics of docetaxel or paclitaxel, gemcitabine/nab-paclitaxel and pemetrexed.
- Pharmacodynamic effect of IDE397 as a single agent and in combination with either docetaxel, paclitaxel, gemcitabine and nab-paclitaxel and pemetrexed [ Time Frame: Approximately 2 years ]Changes in the levels of MAT2A pathway and PRMT5 pathway will be determined
- Preliminary anti-tumor activity in IDE397 escalation and combination escalation arms [ Time Frame: Approximately 2 years ]Objective response rate and duration of response will be assessed using the Response Evaluation Criteria in Solid Tumors (RECIST v1.1)
- Efficacy of IDE397 administered as a single agent and in combination with docetaxel, paclitaxel, gemcitabine and nab-paclitaxel and pemetrexed [ Time Frame: Approximately 2 years ]Objective response rate and duration of response will be assessed by Blinded Imaging Committee Review using the Response Evaluation Criteria in Solid Tumors (RECIST v1.1)

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Participant must be at least 18 years of age
- Advanced or metastatic solid tumor that has progressed on at least one prior line of treatment or is intolerant to additional effective standard therapy
- Have evidence of homozygous loss of MTAP or MTAP deletion
- Willing to undergo paired fresh biopsy (pre- and post-treatment) procedure. Exceptions may be made for feasibility and safety concerns
- Measurable disease
- ECOG performance status <= 1 or 2 after discussion with medical monitor
- Adequate organ function
- Able to swallow and retain orally administered study treatment
- Recovery from acute effects of prior therapy
- Able to comply with contraceptive/barrier requirements
Exclusion Criteria:
- Known symptomatic brain metastases
- Known primary CNS malignancy
- Current active liver or biliary disease
- Impairment of gastrointestinal (GI) function
- Active uncontrolled infection
- Clinically significant cardiac abnormalities
- Previous treatment with a MAT2A inhibitor and / or PRMT inhibitor
- Systemic anti-cancer therapy or major surgery within 4 weeks prior to study entry
- Radiation therapy within 2 weeks prior to study entry
- Prior irradiation to >25% of the bone marrow
- Current use or anticipated need for food or drugs that are known strong CYP3A4/5 inhibitors or inducers
- Currently receiving another investigational study drug.
- Known or suspected hypersensitivity to IDE397/excipients or components

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04794699
Contact: IDEAYA Clinical Trials | +1 650 534 3616 | IDEAYAClinicalTrials@ideayabio.com |
United States, Arizona | |
Honor Health Research Institute | Recruiting |
Scottsdale, Arizona, United States, 85258 | |
Contact: Oncology Clinical Trials Nurse Navigator 480-323-1791 clinicaltrials@honorhealth.com | |
Contact 833-354-6667 | |
United States, California | |
City of Hope | Recruiting |
Duarte, California, United States, 91010 | |
Contact: New Patient Services 800-826-4673 sthiagarajan@coh.org | |
United States, Indiana | |
Indiana University Health Hospital | Recruiting |
Indianapolis, Indiana, United States, 46202 | |
Contact: Yvonne LaFary ylafary@iu.edu | |
United States, Maryland | |
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins | Recruiting |
Baltimore, Maryland, United States, 21287 | |
Contact: Carol Goldener 202-660-5629 cgolden9@jhmi.edu | |
United States, Massachusetts | |
Dana Farber Cancer Institute | Recruiting |
Boston, Massachusetts, United States, 02115 | |
Contact: Carolyn Jones 857-215-1351 Carolyn_jones@dfci.harvard.edu | |
United States, New York | |
Columbia University Medical Center - Herbert Irving Pavilion | Recruiting |
New York, New York, United States, 10032 | |
Contact: Benjamin Herzberg, MD 646-317-6041 Boh2109@cumc.columbia.edu | |
Weill Cornell Medical College | Recruiting |
New York, New York, United States, 10065 | |
Contact: Jessica Wilk jsw9043@med.cornell.edu | |
United States, Oklahoma | |
Stephenson Cancer Center | Recruiting |
Oklahoma City, Oklahoma, United States, 73104 | |
Contact: Christina Seunath 405-271-8001 ext 32089 Christina-Seunath@ouhsc.edu | |
United States, Tennessee | |
The Sarah Cannon Research Institute/Tennessee Oncology | Recruiting |
Nashville, Tennessee, United States, 37203 | |
Contact: askSARAH 844-482-4812 | |
United States, Texas | |
MD Anderson | Recruiting |
Houston, Texas, United States, 77030 | |
Contact: Jordi Rodon, MD 713-792-5603 JRodon@mdanderson.org | |
Next Oncology | Recruiting |
San Antonio, Texas, United States, 78229 | |
Contact: Cynthia Deleon 210-580-9521 cdeleon@nextoncology.com |
Responsible Party: | IDEAYA Biosciences |
ClinicalTrials.gov Identifier: | NCT04794699 |
Other Study ID Numbers: |
IDE397-001 |
First Posted: | March 12, 2021 Key Record Dates |
Last Update Posted: | December 2, 2022 |
Last Verified: | December 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
MAT2A 9p21 CDKN2A MTAP Solid Tumors PRMT5 SAM Synthetic Lethality Inhibitor MTAP deletion CDKN2A deletion MAT2A Inhibitor Advanced solid tumors Lung Cancer Pancreatic or Pancreas Cancer |
Bladder Cancer Renal Cancer Mesothelioma Esophageal Cancer Head and Neck Squamous Cell Carcinoma Gastric Cancer Breast cancer Melanoma Cholangiocarcinoma Squamous NSCLC SCCHN Urothelial Cancer Non small cell Docetaxel |
Neoplasms Paclitaxel Docetaxel Albumin-Bound Paclitaxel Gemcitabine Pemetrexed Antineoplastic Agents, Phytogenic Antineoplastic Agents Tubulin Modulators |
Antimitotic Agents Mitosis Modulators Molecular Mechanisms of Pharmacological Action Antimetabolites, Antineoplastic Antimetabolites Enzyme Inhibitors Folic Acid Antagonists Nucleic Acid Synthesis Inhibitors |