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Trial · NCT07287995

Registered outcomes20

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryNumber of Participants with Dose Limiting Toxicities (DLTs)Up to 21 days
A DLT is defined as any event meeting the DLT criteria occurring within 21 days of first dose on Cycle 1 Day 1 (C1D1) that cannot clearly be attributed to a cause other than ASP2998 administered in monotherapy or in combination with standard treatments.
PrimaryNumber of Participants with Treatment-Emergent Adverse Events (TEAEs)Up to 21 Months
An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. NOTE: An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom or disease (new or exacerbated) temporally associated with the use of study intervention. This includes events related to the comparator, if applicable, and events related to the (study) procedures. A TEAE is an AE with onset at any time from first dosing until last scheduled procedure.
PrimaryNumber of participants with laboratory value abnormalities and/or adverse events (AEs)Up to 21 monthsNumber of participants with potentially clinically significant laboratory values.
PrimaryNumber of participants with vital sign abnormalities and/or AEsUp to 19 monthsNumber of participants with potentially clinically significant vital sign values.
PrimaryNumber of participants with electrocardiogram (ECG) abnormalities and/or AEsUp to 19 monthsNumber of participants with potentially clinically significant ECG values.
PrimaryNumber of Participants with Physical Examination (PE) abnormalities and/or AEsUp to 19 monthsNumber of participants with potentially clinically significant PE values.
PrimaryNumber of Participants at each grade of Eastern Cooperative Oncology Group (ECOG) performance status scoreUp to 19 months
The ECOG scale will be used to assess performance status. Scores range from 0 (fully active) to 5 (dead). Negative change scores represent an improvement. Positive scores represent a decline in performance.
SecondaryObjective Response Rate (ORR) of ASP2998 per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1Up to 27 monthsORR is defined as the proportion of participants whose best overall response is rated as Complete Response (CR) or Partial Response (PR) per RECIST v1.1 as assessed by the investigator.
SecondaryDuration of Response (DOR) of ASP2998 per RECIST v1.1Up to 27 months
DOR is defined as the time from the date of first documented response (CR or PR that is subsequently confirmed) to the date of first documented progressive disease (PD) per RECIST v1.1 as assessed by the investigator or death due to any cause, whichever occurs first.
SecondaryDisease Control Rate (DCR) of ASP2998 per RECIST v1.1Up to 27 monthsDCR is defined as the proportion of participants whose best overall response is rated as CR, PR or stable disease (SD) per RECIST v1.1 as assessed by the investigator.
SecondaryProgression Free Survival (PFS) per RECIST v1.1Up to 27 months
PFS is defined as the time from the first dose of study intervention until the date of documented PD per RECIST v1.1 as assessed by the investigator or until death for any cause, whichever comes first.
SecondaryOverall Survival (OS)Up to 33 monthsOS is defined as the time from the first dose of study intervention until death due to any cause.
SecondaryPharmacokinetics (PK) of ASP2998 in plasma: area under the concentration-time curve at 21 days (AUC21d)Up to 18 monthsAUC21d will be recorded from the PK plasma samples collected.
SecondaryPK of ASP2998 in plasma: maximum concentration (Cmax)Up to 18 monthsCmax will be recorded from the PK plasma samples collected.
SecondaryPK of ASP2998 in plasma: trough concentration (Ctrough)Up to 18 monthsCtrough will be recorded from the PK plasma samples collected.
SecondaryPK of ASP2998 in plasma: time of maximum concentration (tmax)Up to 18 monthstmax will be recorded from the PK plasma samples collected.
SecondaryIncidence rate of trophoblast cell surface antigen 2 (TROP2) expression in tumorUp to 18 monthsIncidence rate of TROP2 expression in tumor will be evaluated from tissue samples collected.
SecondaryExpression levels of TROP2 in tumorUp to 18 monthsExpression levels of TROP2 expression in tumor will be evaluated from tissue samples collected.
SecondaryChange of TROP2 expression in tumorUp to 18 monthsChange of TROP2 expression in tumor will be evaluated from tissue samples collected.
SecondaryChange in CD8 T-cell lymphocytes in paired biopsiesUp to 18 monthsChange in CD8 T-cell lymphocytes in paired biopsies will be evaluated from tissue samples collected.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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