Clinical trial • Phase II • Oncology

8-ETHOXY-N-((3R,4S)-3-METHYL-1-(METHYLSULFONYL)PIPERIDIN-4-YL)-7-(1H-PYRAZOL-4-YL)-[1,2,4]TRIAZOLO[1,5-A]PYRIDIN-2-AMINE for Ovarian cancer|Platinum-resistant ovarian cancer

Phase II trial of 8-ETHOXY-N-((3R,4S)-3-METHYL-1-(METHYLSULFONYL)PIPERIDIN-4-YL)-7-(1H-PYRAZOL-4-YL)-[1,2,4]TRIAZOLO[1,5-A]PYRIDIN-2-AMINE for Ovarian can…

Overview

Trial Therapeutic Area
Oncology
Trial Disease
Ovarian cancer|Platinum-resistant ovarian cancer
Trial Stage
Phase II
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
19-09-2025
First CTIS Authorization Date
12-12-2025

Trial design

open-label Phase II trial in Belgium, Spain.

Open Label
Yes
Biomarker Stratified
True, biomarker: cyclin E1 expression; strata: Cohort 1 = ≥75% tumor cells with ≥1+ staining intensity; Cohort 2 = ≥50% to <75% tumor cells with ≥1+ staining intensity; Cohort 3 = <50% tumor cells with ≥1+ staining intensity
Target Sample Size
131

Eligibility

Recruits 131 The trial has 'isVulnerablePopulationSelected' = true in the CTIS data. Participation requires the ability to comprehend and willingness to sign a written informed consent form (ICF) (Inclusion criterion: "Ability to comprehend and willingness to sign a written ICF for the study"). Only adult female participants aged 18 years or older are eligible. ICF documents (main, pre-screening, and pregnant-participant versions) are provided for Belgium and Spain in multiple languages (French, Dutch, Spanish) as indicated in the published documents list..

Pregnancy Exclusion
26. Women who are pregnant (including women who may possibly be pregnant based on medical interview by investigators in Japan), breastfeeding, or expecting to conceive, starting with the screening visit through 180 days after the last dose of study drug treatment..
Vulnerable Population
The trial has 'isVulnerablePopulationSelected' = true in the CTIS data. Participation requires the ability to comprehend and willingness to sign a written informed consent form (ICF) (Inclusion criterion: "Ability to comprehend and willingness to sign a written ICF for the study"). Only adult female participants aged 18 years or older are eligible. ICF documents (main, pre-screening, and pregnant-participant versions) are provided for Belgium and Spain in multiple languages (French, Dutch, Spanish) as indicated in the published documents list.

Inclusion criteria

  • {"criterion_text":"- 1. Ability to comprehend and willingness to sign a written ICF for the study.\n- 10. Must have received bevacizumab unless there was a contraindication for its use.\n- 11. If the tumor tests positive for FRα, participants must have received mirvetuximab soravtansine unless there is an exception for its use on medical grounds.\n- 12. Have had documented disease progression during or after the last line of anticancer therapy prior to study entry.\n- 13. Measurable disease per RECIST v1.1 on CT or MRI.\n- 14. Ability to take medication orally.\n- 15. ECOG performance status of 0 to 1.\n- 16. Willingness to avoid pregnancy based on the criteria below. a. Female participants who are WOCBP must have a negative serum pregnancy test at screening and a negative urine pregnancy test before the first dose of study drug and must agree to take appropriate precautions to avoid pregnancy (with at least 99% certainty) and refrain from donating oocytes from screening through 180 days after the last dose of study drug. Permitted methods in preventing pregnancy (see Appendix A) should be communicated to the participants and their understanding confirmed. b. Female participants not considered to be of childbearing potential as defined in Appendix A are eligible.\n- 2. Female participants aged 18 years or older at the time of signing the ICF\n- 3. Willingness and ability to conform to and comply with all Protocol requirements,\n- 4. Histological diagnosis of a high-grade serous epithelial ovarian, fallopian tube, or primary peritoneal cancer.\n- 5. Have platinum-resistant disease: a. Participants who have only had 1 line of platinum-based therapy must have received at least 4 cycles of a platinum-containing regimen, had a response (CR or PR) or had nonmeasurable disease at the start of the platinum-based therapy, and then progressed between > 3 and ≤ 6 months after the last dose of platinum. b. Participants who have received 2 to 4 lines of platinum-based therapy must have progressed on or within 6 months after the last dose of platinum.\n- 6. Willingness to undergo pretreatment biopsy.\n- 7. Tumor cyclin E1 expression level must be known based on central IHC testing.\n- 8. Tumor FRα expression level must be known based on IHC using a validated assay. If local testing is not available, this will be performed by a dedicated central laboratory.\n- 9. Received at least 1 and no more than 4 prior lines of systemic therapy following the initial diagnosis, after which single-agent therapy is considered an appropriate next therapeutic option. Points to consider when determining the number of therapies received: a. Neoadjuvant systemic therapy followed by postoperative adjuvant therapy will be considered as 1 line of therapy. b. Maintenance therapy (eg, bevacizumab or PARP inhibitors) will not be considered as a separate line of therapy. c. Therapy changes due to toxicity in the absence of disease progression will not be considered as a separate line of therapy."}

Exclusion criteria

  • {"criterion_text":"- 1. Have endometrioid, clear cell, mucinous, or sarcomatous histology, mixed tumors containing any of these histologies, or low-grade/borderline ovarian cancer.\n- 10. Clinically significant gastrointestinal abnormality, including the following: a. Hospitalization for or clinical findings consistent with a gastrointestinal obstruction within 3 months of signing the main ICF or radiographic evidence of gastrointestinal obstruction at the time of screening. Gastrointestinal obstruction from an uncomplicated isolated lesion that has resolved following primary resection within 3 months of consent may be considered on a case-by-case basis in consultation with the medical monitor to determine suitability for participation. b. Ascites requiring paracentesis more often than every 4 weeks for symptomatic management. Enrollment of participants with an indwelling peritoneal catheter may be considered in consultation with the medical monitor to determine suitability for participation. c. Abdominal/pelvic fistula that has not been successfully medically managed. d. Requirement for enteral or parenteral nutrition. e. Malabsorption syndromes and prior surgical procedures that might affect the gastrointestinal transit and absorption of orally taken medication. f. Endoscopically determined active gastroduodenal ulcer(s). g. Gastrointestinal bleeding (eg, hematemesis, hematochezia, and melena) within 3 months before the first dose of study drug.\n- 11. History of thromboembolism while on anticoagulation therapy.\n- 12. History of thromboembolism and on therapeutic anticoagulation for less than 2 weeks before the first dose of study drug.\n- 13. Toxic effects of prior therapy and/or complications from prior surgical intervention that have not improved to ≤ Grade 1 before the first dose of study drug, with the exception of ≤ Grade 2 alopecia.\n- 14. Prior treatment with any CDK2 inhibitor.\n- 15. Any prior chemotherapy, biological therapy, or targeted therapy within 5 half-lives or 28 days (whichever is shorter) before the first dose of study drug.\n- 16. Any major surgery within 28 days before the first dose of study drug.\n- 17. Any radiation therapy within 14 days before the first dose of study drug.\n- 18. Current treatment with another investigational medication or prior treatment with an investigational medication other than the study drug within 5 half-lives or 28 days (whichever is shorter) before the first dose of study drug.\n- 19. Current use of prohibited medication as described in Protocol Section 6.6.3.\n- 2. Have primary platinum-refractory disease: either did not respond (CR or PR) to first-line platinum-containing therapy or progressed on or within 3 months after the last dose of the first-line platinum-containing therapy.\n- 20. Current treatment with any potent CYP3A4/CYP3A5 inhibitor or inducer or prior treatment with a potent CYP3A4/CYP3A5 inhibitor or inducer within 5 half-lives or 28 days (whichever is shorter) before the first dose of study drug. Note: A washout period of ≥ 5 half-lives or 28 days (whichever is shorter) before the first dose of INCB123667 is required for enrollment into the study for prior treatment with a potent CYP3A4/CYP3A5 inhibitor or inducer.\n- 21. Known history of HBV infection with detectable HBV DNA. In cases of chronic HBV infection with active disease, HBV DNA ≥ 500 IU/mL during screening is exclusionary.\n- 22. Known history of HCV infection with detectable HCV RNA. Note: Participants who have completed treatment for HCV and are HCV RNA-negative are eligible.\n- 23. Known history of HIV infection\n- 24. Any other infectious disease requiring systemic antibiotic, antifungal, or antiviral treatment within 2 weeks before the first dose of study drug.\n- 25. Known hypersensitivity or severe reaction to any component of study drug or formulation components.\n- 26. Women who are pregnant (including women who may possibly be pregnant based on medical interview by investigators in Japan), breastfeeding, or expecting to conceive, starting with the screening visit through 180 days after the last dose of study drug treatment..\n- 27. Any condition that would, in the investigator's judgment, interfere with full participation in the study, including administration of study drug and attending required study visits; pose a significant risk to the participant; or interfere with interpretation of study data.\n- 3. The tumor tests positive for FRα but the participant has not received mirvetuximab soravtansine due to it being unavailable.\n- 4. Clinically significant or uncontrolled cardiac disease within 6 months before the first dose of study drug, including but not limited to unstable angina pectoris or acute myocardial infarction, or New York Heart Association Class III or IV cardiac disease, congestive heart failure, and uncontrolled arrhythmia, or other clinically significant heart disease. Participants with a pacemaker and well-controlled rhythm for at least 1 month before the first dose of study drug are allowed.\n- 5. History or presence of an ECG abnormality that, in the investigator's opinion, is clinically meaningful.\n- 6. Known active CNS metastases and/or carcinomatous meningitis.\n- 7. Known additional malignancy that is progressing or requires active treatment, or history of other malignancy within 3 years before the first dose of study drug.\n- 8. Participants with laboratory values at screening defined in Protocol Section 5.2 Table 6 . Exclusionary Laboratory Values\n- 9. Significant concurrent, uncontrolled medical condition."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Objective response by IRC, defined as having a confirmed best overall response of CR or PR, as determined by IRC assessment per RECIST v1.1.","definition_or_measurement_approach":"Defined as having a confirmed best overall response of CR or PR, as determined by IRC assessment per RECIST v1.1."}

Secondary endpoints

  • {"endpoint_text":"- 1. DOR by IRC, defined as the time from the earliest date of CR or PR contributing to a subsequently confirmed CR or PR until the earliest date of disease progression, as determined by IRC assessment per RECIST v1.1, or death due to any cause, whichever occurs first.","definition_or_measurement_approach":"Time from earliest date of CR or PR contributing to a subsequently confirmed CR or PR until earliest date of disease progression by IRC per RECIST v1.1, or death."}
  • {"endpoint_text":"- 2. PFS by IRC, defined as the time from the date of first dose of study drug until the earliest date of disease progression as determined by IRC assessment per RECIST v1.1, or death due to any cause, whichever occurs first.","definition_or_measurement_approach":"Time from first dose to earliest date of disease progression by IRC per RECIST v1.1, or death."}
  • {"endpoint_text":"- 3. OS, defined as the time from the date of first dose of study drug until death due to any cause.","definition_or_measurement_approach":"Time from first dose until death from any cause."}
  • {"endpoint_text":"- 4. Objective response by investigator, defined as having a confirmed best overall response of CR or PR, as determined by investigator assessment per RECIST v1.1.","definition_or_measurement_approach":"Investigator-assessed confirmed best overall response of CR or PR per RECIST v1.1."}
  • {"endpoint_text":"- 5. DOR by investigator, defined as the time from the earliest date of CR or PR contributing to a subsequently confirmed CR or PR until the earliest date of disease progression, as determined by investigator assessment per RECIST v1.1, or death due to any cause, whichever occurs first.","definition_or_measurement_approach":"Time from earliest date of CR or PR to disease progression or death as determined by investigator per RECIST v1.1."}
  • {"endpoint_text":"- 6. PFS by investigator, defined as the time from the date of first dose of study drug until the earliest date of disease progression, as determined by investigator assessment per RECIST v1.1, or death due to any cause, whichever occurs first.","definition_or_measurement_approach":"Time from first dose to disease progression or death as determined by investigator per RECIST v1.1."}
  • {"endpoint_text":"- 7. AEs, assessed by physical examinations, evaluating changes in vital signs and ECGs, and through clinical laboratory blood sample evaluations.","definition_or_measurement_approach":"Adverse events assessed via physical exams, vital signs, ECGs, and clinical laboratory blood evaluations."}
  • {"endpoint_text":"- 8. Impact on study treatment, assessed by treatment interruptions, dose reductions, and discontinuation of study treatment due to AEs.","definition_or_measurement_approach":"Measured by counting treatment interruptions, dose reductions, and discontinuations due to adverse events."}

Recruitment

Planned Sample Size
131
Recruitment Window Months
32
Consent Approach
Written informed consent required from the participant (Inclusion: "Ability to comprehend and willingness to sign a written ICF for the study"). Participants must be female and aged 18 years or older. ICFs available (published) include main, pre-screening, and pregnant-participant versions; language-specific ICF documents are provided for Belgium (French, Dutch) and Spain (Spanish). No assent procedures described (no paediatric population).

Geography

Total Number Of Sites
14
Total Number Of Participants
29

Belgium

Earliest CTIS Part Ii Submission Date
03-09-2025
Latest Decision Or Authorization Date
17-12-2025
Processing Time Days
105
Number Of Sites
5
Number Of Participants
14

Sites

Site Name
Cliniques Universitaires Saint-Luc
Department Name
Medical Oncology
Contact Person Name
Jean-François Baurain
Site Name
UZ Leuven
Department Name
Gynaecological Oncology
Contact Person Name
Els Van Nieuwenhuysen
Site Name
Algemeen Ziekenhuis Groeninge
Department Name
Medical Oncology
Contact Person Name
Philip Debruyne
Contact Person Email
Philip.debruyne@azgroeninge.be
Site Name
Centre hospitalier universitaire de Liege
Department Name
Medical Oncology
Contact Person Name
Christine Gennigens
Site Name
Institut Jules Bordet
Department Name
Medical Oncology
Contact Person Name
Laura Polastro
Contact Person Email
Laura.polastro@hubruxelles.be

Spain

Earliest CTIS Part Ii Submission Date
14-11-2025
Latest Decision Or Authorization Date
18-03-2026
Processing Time Days
124
Number Of Sites
9
Number Of Participants
15

Sites

Site Name
Fundacion Instituto Valenciano De Oncologia
Department Name
Medical Oncology
Contact Person Name
Ignacio Romero Noguera
Contact Person Email
iromero@fivo.org
Site Name
University Clinical Hospital Virgen De La Arrixaca
Department Name
Medical Oncology
Contact Person Name
Jeronimo Martinez García
Contact Person Email
jeronimo@seom.org
Site Name
Institut Catala D'oncologia (Girona)
Department Name
Medical Oncology
Contact Person Name
Maria Pilar Barretina-Ginesta
Contact Person Email
mpbarretina@iconcologia.net
Site Name
Hospital Clinico Universitario De Valencia
Department Name
Medical Oncology
Contact Person Name
José Alejandro Pérez Fidalgo
Contact Person Email
japfidalgo@msn.com
Site Name
Hospital Universitario La Paz
Department Name
Medical Oncology
Contact Person Name
Andres Redondo Sánchez
Contact Person Email
andres.redondos@uam.es
Site Name
Hospital Clinic De Barcelona
Department Name
Medical Oncology
Contact Person Name
Lydia Gaba García
Contact Person Email
lgaba@clinic.cat
Site Name
Clinica Universidad De Navarra
Department Name
Medical Oncology
Contact Person Name
Antonio Gonzalez Martin
Contact Person Email
agonzalezma@unav.es
Site Name
Hospital Universitari Vall D Hebron
Department Name
Medical Oncology
Contact Person Name
David Garcia Illescas
Contact Person Email
dgillescas@vhio.net
Site Name
Institut Catala D'oncologia (L'hospitalet De Llobregat)
Department Name
Medical Oncology
Contact Person Name
Beatriz Pardo Búrdalo
Contact Person Email
bpardo@iconcologia.net

Sponsor

Primary sponsor

Full Name
Incyte Corp.
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
Icon Clinical Research Limited
Responsibilities
1,12,5
Name
Icon Laboratory Services Inc.
Responsibilities
4
Name
Icon Medical Imaging
Responsibilities
6,7
Name
Suvoda LLC
Responsibilities
3
Name
Cellcarta Naperville LLC
Responsibilities
Central Lab (Cyclin E1 processing)

Third parties

  • {"country":"United Kingdom","full_name":"University College London","duties_or_roles":"2","organisation_type":"Educational Institution"}
  • {"country":"Ireland","full_name":"Icon Clinical Research Limited","duties_or_roles":"1,12,5","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Greenphire LLC","duties_or_roles":"Patient Reimbursement","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Icon Laboratory Services Inc.","duties_or_roles":"4","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Icon Medical Imaging","duties_or_roles":"6,7","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Suvoda LLC","duties_or_roles":"3","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Cellcarta Naperville LLC","duties_or_roles":"Central Lab (Cyclin E1 processing)","organisation_type":"Pharmaceutical company"}
  • {"country":"Netherlands","full_name":"Certe Medische Diagnostiek en Advies Stichting","duties_or_roles":"4","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Agilent Technologies, Inc.","duties_or_roles":"Cyclin E1 testing","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
INCB123667
Active Substance
8-ETHOXY-N-((3R,4S)-3-METHYL-1-(METHYLSULFONYL)PIPERIDIN-4-YL)-7-(1H-PYRAZOL-4-YL)-[1,2,4]TRIAZOLO[1,5-A]PYRIDIN-2-AMINE
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Maximum Dose
100.00 mg per day
Investigational Product Name
INCB123667
Active Substance
INCB123667
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Maximum Dose
100.00 mg per day

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