A Study To Evaluate The Efficacy And Safety Of Ifinatamab Deruxtecan (I-DXd) In Subjects With Recurrent Or Metastatic Solid Tumors (IDeate-PanTumor02)

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A Study To Evaluate The Efficacy And Safety Of Ifinatamab Deruxtecan (I-DXd) In Subjects With Recurrent Or Metastatic Solid Tumors (IDeate-PanTumor02)

Study Purpose

This study is designed to assess the efficacy and safety of ifinatamab deruxtecan (I-DXD) in the following tumor types: endometrial cancer (EC); head and neck squamous cell carcinoma (HNSCC); pancreatic ductal adenocarcinoma (PDAC); colorectal cancer (CRC); hepatocellular carcinoma (HCC); adenocarcinoma of esophagus, gastroesophageal junction, and stomach (Ad-Eso/GEJ/gastric); urothelial carcinoma (UC); ovarian cancer (OVC); cervical cancer (CC); biliary tract cancer (BTC); human epidermal growth factor 2 (HER2)-low breast cancer (BC); HER2 immunohistochemistry (IHC) 0 BC; and cutaneous melanoma.

Recruitment Criteria

Accepts Healthy Volunteers Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms	No
Study Type An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes. An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes. Searching Both is inclusive of interventional and observational studies.	Interventional
Eligible Ages	18 Years and Over
Gender	All

More Inclusion & Exclusion Criteria

Participants must meet all of the following criteria to be included in the study: Common Inclusion Criteria for All Participants. 1. Participant must have at least 1 lesion, not previously irradiated, amenable to core biopsy and must consent to provide a pretreatment biopsy tissue sample. An archival tumor tissue sample obtained within 6 months of consent and after progression during/after treatment with the participant's most recent cancer therapy regimen is also acceptable. 2. Participants ages ≥18 years (follow local regulatory requirements if the legal age of consent for study participation is >18 years). 3. At least 1 measurable lesion on computed tomography (CT) or magnetic resonance imaging (MRI) according to Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1), as assessed by the investigator. 4. Documentation of radiological disease progression on or after the previous standard-of-care regimen in the advanced/metastatic setting. 5. Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. Additional Inclusion Criteria for EC Participants. 1. Pathologically or cytologically documented EC of any histological carcinoma subtype or endometrial carcinosarcoma, irrespective of microsatellite instability or mismatch repair status. 2. Relapse or progression after a platinum-containing systemic treatment and an immune checkpoint inhibitor (ICI)-containing regimen (combined or sequential). Subjects with actionable target tumor mutation should have been previously treated with targeted therapy, with a maximum of 3 prior lines of therapy for endometrial carcinoma or carcinosarcoma. Neoadjuvant/adjuvant therapy may count as 1 line of therapy if the subject progressed within 6 months after completion of therapy. Additional Inclusion Criteria for HNSCC Participants. 1. Pathologically or cytologically documented unresectable or metastatic squamous cell carcinoma of the oral cavity, oropharynx, hypopharynx, or larynx, excluding nasopharynx, nasal cavity and paranasal sinuses, and unknown primary. 2. Has disease progression after platinum-based and ICI treatment, whether administered in combination or separately. Subjects with actionable target tumor mutation should have been previously treated with targeted therapy, with a maximum of 2 prior therapy lines for unresectable or metastatic HNSCC. 3. Participants without radiographic evidence of major blood vessel invasion/infiltration or tumor demonstrating a >90-degree abutment or encasement of a major blood vessel. 4. Participants with no prior history of Grade ≥3 bleeding as per the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) v5.0 within 28 days prior to the start of study drug related to the current head and neck cancer may be included in the study. 5. Documented p16 status for oropharyngeal cancer (historical results are acceptable if available). Additional Inclusion Criterion for PDAC Participants.1. Pathologically or cytologically documented unresectable or metastatic pancreatic adenocarcinoma that has relapsed or progressed after 1 prior line of gemcitabine-based systemic therapy in the locally advanced/metastatic setting or after 2 lines of therapy if the subject has actionable target tumor mutation and has been previously treated with targeted therapy. No prior treatment with topoisomerase I inhibitors, such as irinotecan or topotecan. Additional Inclusion Criteria for CRC Participants. 1. Pathologically or cytologically documented unresectable or metastatic CRC with microsatellite stable status. 2. Relapse or progression after 1 prior line of systemic therapy including a fluoropyrimidine plus oxaliplatin with or without anti-vascular endothelial growth factor (VEGF) monoclonal antibody (mAb) or anti-epidermal growth factor receptor mAb therapy, as clinically indicated, or relapse or progression after 2 lines of therapy if the subject has received targeted therapy. Note: Prior adjuvant/neoadjuvant systemic cytotoxic chemotherapy will count as 1 line of prior systemic therapy if there is documented disease progression during therapy or within 6 months of chemotherapy completion. 3. No prior treatment with topoisomerase I inhibitors, such as irinotecan or topotecan. Additional Inclusion Criteria for HCC Participants. 1. Pathologically or cytologically documented unresectable or metastatic HCC (fibrolamellar and mixed hepatocellular/cholangiocarcinoma subtypes are not eligible) or noninvasive diagnosis of HCC as per the American Association for the Study of Liver Diseases (AASLD) criteria in subjects with a confirmed diagnosis of cirrhosis. 2. Relapse or progression after 1 prior line of an ICI-containing regimen (combination or monotherapy) in the locally advanced/metastatic setting, with a maximum of 2 prior lines. Subjects with actionable target tumor mutation should have been previously treated with targeted therapy. 3. Barcelona Clinic Liver Cancer (BCLC) Stage B or C. 4. Liver function status should be Child-Pugh (CP) Class A. 5. Albumin-Bilirubin (ALBI) Grade 1 within 7 days prior to the first dose of study drug. 6. Participants with large esophageal varices at risk of bleeding must be treated with conventional medical intervention: beta blockers or endoscopic treatment. Additional Inclusion Criteria for Ad-eso/GEJ/Gastric Participants. 1. Pathologically or cytologically documented unresectable or metastatic Ad-eso/GEJ/Gastric that has relapsed or progressed after 1 prior line of systemic therapy in the locally advanced/metastatic setting. Subjects with PD-(L)1+ or MSI-H/dMMR should receive ICI treatment if ICIs are standard of care in the country, unless the subject is ineligible for ICI treatment. 2. If the participant has known history of HER2 positivity (defined by IHC 3+ or IHC 2+ and in situ hybridization [ISH] positive, as classified by American Society of Clinical Oncology

- College of American Pathologists [ASCO CAP]) or actionable target, the subject must have been previously treated with a targeted therapy.

Additional Inclusion Criteria for UC Participants. 1. Pathologically or cytologically documented unresectable or metastatic UC of the bladder, renal pelvis, ureter, or urethra. Participants with histological variants are allowed if urothelial histology is predominant. Small cell/neuroendocrine tumors are not allowed even if mixed histology. 2. Relapse or progression after at least 1 prior line of ICI-containing systemic therapy, and 1 prior line of systemic chemotherapy, given in combination with other anticancer therapy or separately, with a maximum of 3 prior therapy lines. 1. At least 1 line of therapy should include enfortumab vedotin in countries where enfortumab vedotin is approved and available. 2. Perioperative systemic therapies will be counted as 1 line of therapy. 3. To meet inclusion criteria requirement of prior ICI-containing therapy, use in the perioperative or metastatic setting will suffice. 4. Subjects with actionable target tumor mutation should have been previously treated with targeted therapy. 5. The same regimen administered twice in different disease settings will be counted as 1 line of prior therapy. Additional Inclusion Criteria for CC Participants. 1. Histologically confirmed unresectable or metastatic CC that was previously treated with ≥1 prior line of systemic therapy in the locally advanced or metastatic setting. Subjects with actionable target tumor mutation should have been previously treated with targeted therapy. 2. Participants should receive prior anti-programmed death 1/programmed death-ligand 1 treatment and/or tisotumab vedotin if those are standard of care in the country, unless the subject is ineligible for these treatments. Additional Inclusion Criteria for OVC Participants. 1. Histologically confirmed high-grade serous OVC, high-grade endometrioid OVC, primary peritoneal cancer, or fallopian tube cancer that was previously treated with at least 1 line of platinum-based therapy and bevacizumab unless the subject is ineligible for treatment with bevacizumab. 2. Participant is no longer considered eligible for platinum-based therapy per the investigator's opinion or has progressed less than 180 days after the last dose of platinum therapy. 3. Participant is not considered primary platinum refractory and has not progressed during platinum treatment or within 4 weeks after the completion of platinum treatment. 4. Subjects with actionable target tumor mutation should have been previously treated with targeted therapy. Additional Inclusion Criteria for BTC Participants. 1. Pathologically or cytologically documented unresectable or metastatic BTC (intra- or extrahepatic cholangiocarcinoma or gallbladder carcinoma). 2. Relapse or progression after at least 1 prior line of systemic therapy, or 2 prior lines of systemic therapy if the participant has an actionable target and has received targeted therapy. 3. Histological subtypes other than ampullary cancer, small cell cancer, lymphoma, sarcoma, neuroendocrine tumors, mixed tumor histology, and/or mucinous cystic neoplasms (Please note that the histological subtypes listed here are not allowed.) Additional Inclusion Criteria for HER2-Low BC Participants. 1. Pathologically or cytologically documented unresectable or metastatic BC. 2. Low HER2 expression, defined as IHC 2+/ISH- or IHC 1+ (ISH- or untested), according to ASCO-CAP 2018 HER2 testing guidelines, based on most recent testing, regardless of hormonal status. 3. Progression on or after treatment with trastuzumab deruxtecan (T-DXd). 4. Relapse or progression after at least 2 and a maximum of 3 prior lines of systemic therapy. Subjects with metastatic hormone receptor (HR)+ BC who have received endocrine-based therapy and have received at least 2 and a maximum of 3 prior lines of additional systemic therapy in the metastatic setting. Subjects with actionable target tumor mutation should have been previously treated with targeted therapy. Additional Inclusion Criteria for HER2 IHC 0 BC Participants. 1. Pathologically or cytologically documented unresectable or metastatic BC. 2. Negative for HER2 expression, defined as IHC 0 (ISH- or untested) according to ASCO-CAP 2018 HER2 testing guidelines, based on the most recent testing, regardless of hormonal status. 3. Relapse or progression after at least 2 and a maximum of 3 prior lines of systemic therapy. Participants with metastatic HR+ BC who have received endocrine-based therapy and have received at least 2 and a maximum of 3 prior lines of additional systemic therapy in the metastatic setting. Subjects with actionable target tumor mutation should have been previously treated with targeted therapy. Additional Inclusion Criteria for Cutaneous (Acral and Non-acral) Melanoma Subjects. 1. Histologically or cytologically confirmed cutaneous (acral and non-acral) melanoma. 2. Disease progression while on or after having received treatment with ≥1 prior line of ICI based therapy. Prior anti-PD-(L)1 therapy in the adjuvant setting may be counted as 1 line if there is recurrence within 12 weeks of the last dose. If the subject had BRAF mutated melanoma or other actionable target tumor mutation, they must have had disease progression on targeted therapy as well. Participants who meet any of the following criteria will be disqualified from entering the study: 1. Prior treatment with orlotamab, enoblituzumab, or other B7-homologue 3 (B7-H3)-targeted agents, including I-DXd. 2. Prior discontinuation of an antibody drug conjugate (ADC) that consists of an exatecan derivative (eg, T-DXd) due to treatment-related toxicities. 3. Clinically active brain metastases, spinal cord compression, or leptomeningeal carcinomatosis, defined as untreated or symptomatic, or requiring therapy with steroids or anticonvulsants to control associated symptoms. 4. Inadequate treatment washout period before enrollment as specified in the protocol.

Trial Details

Trial ID: This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.	NCT06330064
Phase Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans. Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data. Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs. Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.	Phase 2
Lead Sponsor The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.	Daiichi Sankyo
Principal Investigator The person who is responsible for the scientific and technical direction of the entire clinical study.	N/A
Principal Investigator Affiliation	N/A
Agency Class Category of organization(s) involved as sponsor (and collaborator) supporting the trial.	Industry
Overall Status	Recruiting
Countries	Argentina, Australia, Belgium, Brazil, Chile, France, Germany, Ireland, Italy, Japan, Mexico, Netherlands, Poland, Portugal, Spain, Taiwan, Turkey (Türkiye), United States
Conditions The disease, disorder, syndrome, illness, or injury that is being studied.	Recurrent or Metastatic Solid Tumors

Additional Details

This study will evaluate the efficacy and safety of I-DXd in participants with recurrent or metastatic solid tumors previously treated with 1 or more systemic therapies for the selected tumor indication. The study will be divided into 2 parts: Stage 1 and Stage 2. Each cohort starts with Stage 1 and may continue to Stage 2 if sufficient safety and efficacy data are observed. The HCC Safety Run-In (Phase 1) will assess the safety and tolerability of I-DXd in participants with HCC.

Arms & Interventions

Arms

Experimental: Cohort 1: Endometrial Cancer

Participants with recurrent or metastatic endometrial cancer who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd 12 mg/kg.

Experimental: Cohort 2: Head and Neck Squamous Cell Carcinoma

Participants with recurrent or metastatic head and neck squamous carcinoma who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd 12 mg/kg.

Experimental: Cohort 3: Pancreatic Ductal Adenocarcinoma

Participants with recurrent or metastatic pancreatic ductal adenocarcinoma who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd 12 mg/kg.

Experimental: Cohort 4: Colorectal Cancer

Participants with recurrent or metastatic colorectal cancer who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd 12 mg/kg.

Experimental: Cohort 5: Hepatocellular Carcinoma

Participants with recurrent or metastatic hepatocellular carcinoma who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd at the determined dose.

Experimental: Cohort 6: Adenocarcinoma of esophagus, gastroesophageal junction, and stomach

Participants with recurrent or metastatic adenocarcinoma of esophagus, gastroesophageal junction, and stomach who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd 12 mg/kg.

Experimental: Cohort 7: Urothelial carcinoma

Participants with recurrent or metastatic urothelial carcinoma who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd 12 mg/kg.

Experimental: Cohort 8: Ovarian cancer

Participants with recurrent or metastatic non-squamous ovarian cancer who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd 12 mg/kg.

Experimental: Cohort 9: Cervical cancer

Participants with recurrent or metastatic cervical cancer who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd 12 mg/kg.

Experimental: Cohort 10: Biliary tract cancer

Participants with recurrent or metastatic biliary tract cancer who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd 12 mg/kg.

Experimental: Cohort 11: Human epidermal growth factor 2 (HER2)-low breast cancer

Participants with recurrent or metastatic human epidermal growth factor 2 (HER2)-low breast cancer who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd 12 mg/kg.

Experimental: Cohort 12: HER2 immunohistochemistry (IHC) 0 breast cancer

Participants with recurrent or metastatic HER2 immunohistochemistry (IHC) 0 breast cancer who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd 12 mg/kg.

Experimental: Cohort 13: Cutaneous melanoma

Participants with recurrent or metastatic cutaneous melanoma who were previously treated with 1 or more systemic therapy who received an intravenous infusion of I-DXd 12 mg/kg.

Interventions

Drug: - Ifinatamab deruxtecan

Intravenous administration

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

Los Angeles Cancer Network, Los Angeles 5368361, California 5332921

Status

Recruiting

Address

Los Angeles Cancer Network

Los Angeles 5368361, California 5332921, 90017

Site Contact

Principal Investigator

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