Undersøgelse, der evaluerer dosimetri, randomiseret dosisoptimering, dosiseskalering og effektivitet af Ac-225 Rosopatamab Tetraxetan hos deltagere med PSMA PET-positiv kastrationsresistent prostatakræft
Et fase 2, åbent studie, der evaluerer dosimetri, randomiseret dosisoptimering, dosiseskalering og effektivitet af Ac-225 Rosopatamab Tetraxetan hos deltagere med PSMA PET-positiv kastrationsresistent prostatakræft
This is a four-part study evaluating the safety and efficacy of a PSMA-directed radioantibody (rosopatamab tetraxetan, conjugated to either In-111 or Ac-225). Part 1 will consist of one administration of In-111-rosopatamab tetraxetan to characterize the biodistribution of the radioantibody to target organs and prostate cancer lesions. Participants then will be enrolled into either Part 2 (Dose Optimization) or Part 3 (Dose Escalation and Expansion) depending on their prior treatment history. Part 4 will be an extended regimen in dose escalation and expansion. Participants qualifying for Part 2 will be randomized to receive Ac-225 rosopatamab tetraxetan in a single fractionated cycle (dose administration on Day 1 and Day 15) at either 45 or 60 kBq/Kg. Participants qualifying for Part 3 must have received prior Lu-177-PSMA-radioligand therapy and will receive Ac-225 rosopatamab tetraxetan in a single fractionated cycle at 45, 55, or 60 kBq/Kg. Dose limiting toxicities (DLTs) will be monitored in Part 3 to determine the recommended phase 2 dose (RP2D), and the study may enroll additional participants to be treated with the RP2D dose level. Participants qualifying for Part 4 will initially receive two doses (dose administration on Day 1 and Day 15) at the dose level selected in Part 2, followed by a single third dose of Ac-225 rosopatamab tetraxetan administered approximately 12 weeks after completion of the Part 2 fractionated dosing regimen. The starting dose level for Part 4 will be 22 kBq/kg (or fixed activity equivalent). Dose limiting toxicities (DLTs) will be monitored following administration of the third dose in Part 4 to determine the recommended phase 2 dose (RP2D) of a third dose of Ac-225 rosopatamab tetraxetan. Participants enrolled into any part will attend study visits which will include blood samples, electrocardiogram (ECG), radiographic imaging, and physical examinations along with other assessments.
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
- Biologisk: In-111 rosopatamab tetraxetan
- Biologisk: 45 kBq/kg Ac-225 rosopatamab tetraxetan
- Biologisk: 60 kBq/kg Ac-225 rosopatamab tetraxetan
- Biologisk: 45 kBq/kg or equivalent fixed dose activity Ac-225 rosopatamab tetraxetan
- Biologisk: 55 kBq/kg or equivalent fixed dose activity Ac-225 rosopatamab tetraxetan
- Biologisk: 60 kBq/kg or equivalent fixed dose activity Ac-225 rosopatamab tetraxetan
- Biologisk: Single dose 22 kBq/kg or equivalent fixed dose activity Ac-225 rosopatamab tetraxetan
- Biologisk: Single dose 34 kBq/kg or equivalent fixed dose activity Ac-225 rosopatamab tetraxetan
- Biologisk: Single dose 45 kBq/kg or equivalent fixed dose activity Ac-225 rosopatamab tetraxetan
Undersøgelsestype
Undersøgelsestype
Tilmelding (Anslået)
Tilmelding
Fase
Fase
- Fase 2
Kontakter og lokationer
Studiekontakt
Studiekontakt
- Navn: Study Director
- Telefonnummer: CONVERGE01
- E-mail: CONVERGE01@convergentrx.com
Studiesteder
-
-
California
-
San Diego, California, Forenede Stater, 92093
- Rekruttering
- University of California San Diego
-
Ledende efterforsker:
- Rana McKay, MD
-
-
Massachusetts
-
Boston, Massachusetts, Forenede Stater, 02215
- Rekruttering
- Dana-Farber Cancer Institute
-
Ledende efterforsker:
- Praful Ravi, MB, BChir, MRCP
-
-
Missouri
-
St Louis, Missouri, Forenede Stater, 63130
- Afsluttet
- Washington University in St. Louis
-
-
Nebraska
-
Omaha, Nebraska, Forenede Stater, 68130-5606
- Rekruttering
- X Cancer Omaha / Urology Cancer Center
-
Ledende efterforsker:
- Luke Nordquist, MD
-
-
New York
-
New York, New York, Forenede Stater, 10065
- Rekruttering
- Memorial Sloan Kettering Cancer Center
-
Ledende efterforsker:
- Anis Hamid, MD
-
New York, New York, Forenede Stater, 10016
- Rekruttering
- Laura & Isaac Perlmutter Cancer Center
-
Ledende efterforsker:
- David Wise, MD
-
New York, New York, Forenede Stater, 10065
- Rekruttering
- New York Presbyterian/Weill Cornell Medical Center
-
Ledende efterforsker:
- Cora Sternberg, MD
-
-
North Carolina
-
Durham, North Carolina, Forenede Stater, 27710
- Rekruttering
- Duke University Medical Center
-
Ledende efterforsker:
- Daniel George, MD
-
-
Ohio
-
Cleveland, Ohio, Forenede Stater, 44195
- Rekruttering
- The Cleveland Clinic Foundation
-
Ledende efterforsker:
- Shilpa Gupta, MD
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
-
Progressive CRPC defined as castrate levels of testosterone and progressing by at least one of the following criteria:
- Serum PSA progression as defined by PCWG3 (rising PSA consisting of two consecutive increases measured at least 3 weeks apart, of a rise of >25%, and with an absolute rise of 2.0 ng/mL.
- Soft tissue progression defined as a ≥20% increase in the sum of the diameter (short axis for nodal lesions and long axis for non-nodal lesions) of all target lesions based on the smallest sum of the diameter since the previous treatment was started or the appearance of one or more new lesions by CT/magnetic resonance imaging (MRI)
- Progression of bone disease defined by PCWG3 as evaluable disease or new bone lesions by bone scan
- Identification of new soft tissue or bone lesions on PSMA PET imaging
-
Metastatic disease defined as either or both of the following:
- Parts 1, 2, 3, and 4: Documented M1 disease on conventional imaging (CT/MRI of the chest/abdomen/pelvis and/or Technetium 99m [99mTc] whole-body bone scan)
- Parts 1, 2, and 4 only: Identification of bone lesion(s), extra-pelvic soft tissue lesion(s), or visceral metastases on PSMA PET imaging with an FDA-approved imaging agent
-
PSMA PET-positive disease, defined as at least one PSMA-positive metastatic lesion and no PSMA-negative lesions
-
Progression following treatment with ADT and at least one ARSI (e.g., enzalutamide, apalutamide, darolutamide, and/or abiraterone acetate)
-
The standard of care use (in the setting of metastatic CRPC with significant burden of active bone metastases) of antiresorptive bone-targeted agents (e.g., zoledronic acid, denosumab) is required for all participants without a contraindication, for at least 4 weeks prior to administration of Ac-225 rosopatamab tetraxetan.
-
Participants with HIV are eligible if they are well-controlled (i.e, an undetectable HIV viral load (<50 copies/mL) within 6 months of enrollment and a stable ART regimen for at least 6 months prior to enrollment) and at low risk for HIV-related illness
Part 3 Only:
- Prior treatment with Lu-177-PSMA-radioligand therapy
- Prior treatment with up to only one taxane-based chemotherapy regimen is allowed
Exclusion Criteria:
- Superscans by nuclear medicine/99mTc bone scan
- A known malignancy that is progressing or has required active treatment within the past 3 years other than CRPC, which is expected to alter life expectancy or may interfere with CRPC disease assessment
- Prior platinum-based chemotherapy
- Prior PARP inhibitors (e.g., olaparib or rucaparib)
- Prior treatment with Radium-223, Actinium-225, Strontium-89, Samarium-153, Rheunium-186, or Rhenium-188
- Participants receiving anti-coagulants or anti-platelet drugs (e.g., aspirin or nonsteroidal anti-inflammatory drugs [NSAIDs]) who cannot discontinue use if platelet count decreases to <50,000
Part 2 and 4 Only:
- Prior chemotherapy for CRPC. Prior taxane chemotherapy for HSPC is allowed if discontinued ≥1 year prior to randomization
- Prior radiopharmaceutical therapy (e.g., Ra-223, Lu-177-PSMA-617, or Lu-177-PSMA-I&T)
- Prior PSMA-targeted therapy, except for bispecific or CAR-T therapies
Part 3 Only:
- Prior PSMA-targeted therapy (e.g., antibody-drug conjugates or CAR-T therapy), except for Lu-177-PSMA-radioligand therapy and bispecific or CAR-T therapies
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Ikke-randomiseret
- Interventionel model: Sekventiel tildeling
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: Del 1: 148 ± 37 MBq In-111 rosopatamab tetraxetan
|
A single dose of 148 ± 37 MBq In-111 rosopatamab tetraxetan will be administered as an IV infusion over a period of 10 minutes. |
|
Eksperimentel: Del 2: 45 kbq/kg AC-225 rosopatamab tetraxetan
|
45 kBq/kg Ac-225 rosopatamab tetraxetan will be administered as an IV infusion over a period of 10 minutes. Doses will be given two weeks apart for a total of two doses. |
|
Eksperimentel: Del 2: 60 kbq/kg AC-225 rosopatamab tetraxetan
|
60 kBq/kg Ac-225 rosopatamab tetraxetan will be administered as an IV infusion over a period of 10 minutes. Doses will be given two weeks apart for a total of two doses. |
|
Eksperimentel: Part 3: Dose Escalation and Expansion
Participants previously treated with Lu-177-PSMA-radioligand therapy will be assigned to receive one of the three dose levels (45 kBq/kg, 55 kBq/kg, or 60 kBq/kg, or equivalent fixed dose activity) depending on the dose limiting toxicities (DLTs) observed. |
45 kBq/kg Ac-225 rosopatamab tetraxetan will be administered as an IV infusion over a period of 10 minutes. Doses will be given two weeks apart for a total of two doses. 55 kBq/kg Ac-225 rosopatamab tetraxetan will be administered as an IV infusion over a period of 10 minutes. Doses will be given two weeks apart for a total of two doses. 60 kBq/kg Ac-225 rosopatamab tetraxetan will be administered as an IV infusion over a period of 10 minutes. Doses will be given two weeks apart for a total of two doses. |
|
Eksperimentel: Part 4: Dose Escalation and Expansion
Participants will initially receive two doses of the Part 2 selected dose level, followed by a single third dose of Ac-225 rosopatamab tetraxetan approximately 12 weeks after the completion of the Part 2 fractionated dosing regimen. Participants will be assigned to receive one of the three dose levels (22 kBq/kg, 34 kBq/kg, or 45 kBq/kg, or equivalent fixed dose activity) depending on the dose limiting toxicities (DLTs) observed. |
22 kBq/kg Ac-225 rosopatamab tetraxetan will be administered as an IV infusion over a period of 10 minutes. A single dose will be given. 34 kBq/kg Ac-225 rosopatamab tetraxetan will be administered as an IV infusion over a period of 10 minutes. A single dose will be given. 45 kBq/kg Ac-225 rosopatamab tetraxetan will be administered as an IV infusion over a period of 10 minutes. A single dose will be given. |
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Del 1: Visuel evaluering af plane scanninger af hele kroppen (dag 1 og 4) med sammenligning med referencescanninger for tilstedeværelsen af radioaktivt mærket rosopatamab textraxetan i organer af interesse (f.eks. lever, kredsløb, milt) for at bestemme biodistribution
Tidsramme: Dag 1 og dag 4
|
Dag 1 og dag 4
|
|
Del 2: Forekomst af bivirkninger (AE'er) og alvorlige bivirkninger (SAE'er) samlet efter sværhedsgrad og fører til afbrydelse af undersøgelsesintervention
Tidsramme: Fremvisning til og med uge 12
|
Fremvisning til og med uge 12
|
|
Del 2: Andel af deltagere, der opnår et fald på mere end eller lig med 50 % i prostataspecifikt antigen (PSA50)
Tidsramme: Gennem afslutningen af studiet (ca. 3 år) eller indtil PSA progression som defineret af PCWG3 kriterier
|
Gennem afslutningen af studiet (ca. 3 år) eller indtil PSA progression som defineret af PCWG3 kriterier
|
|
Del 3: Forekomst af bivirkninger (AE'er) og alvorlige bivirkninger (SAE'er) samlet efter sværhedsgrad og fører til afbrydelse af undersøgelsesintervention
Tidsramme: Fremvisning til og med uge 12
|
Fremvisning til og med uge 12
|
|
Del 3: Bestem den anbefalede fase 2-dosis (RP2D) af Ac-225 rosopatamab tetraxetan
Tidsramme: Dag 1 til 6 uger
|
Dag 1 til 6 uger
|
|
Del 3 (Deltagere behandlet ved RP2D): Andel af deltagere, der opnår et fald på mere end eller lig med 50 % i prostataspecifikt antigen (PSA50)
Tidsramme: Gennem afslutningen af studiet (ca. 3 år) eller indtil PSA progression som defineret af PCWG3 kriterier
|
Gennem afslutningen af studiet (ca. 3 år) eller indtil PSA progression som defineret af PCWG3 kriterier
|
|
Part 4: Incidence of AEs and SAEs overall, by severity, by relationship to study drug, and leading to discontinuation of study intervention
Tidsramme: Screening through Week 12
|
Screening through Week 12
|
|
Part 4: Determine the recommended Phase 2 dose (RP2D) of Ac-225 rosopatamab tetraxetan
Tidsramme: Through end of study (approximately 3 years)
|
Through end of study (approximately 3 years)
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Del 2: Bestem clearance af rosopatamab tetraxetan og Ac-225 rosopatamab tetraxetan via måling af fuldblod og serumniveauer på specificerede serielle tidspunkter
Tidsramme: Til og med uge 8
|
Til og med uge 8
|
|
Del 2: Radioaktivitetsniveauer af Ac-225 rosopatamab tetraxetan
Tidsramme: Til og med dag 21
|
Til og med dag 21
|
|
Del 2: Biokemisk progressionsfri overlevelse (bPFS) vurderet af Prostate Cancer Working Group 3 (PCWG3)
Tidsramme: Gennem afslutningen af studiet (ca. 3 år) eller indtil sygdomsprogression
|
Gennem afslutningen af studiet (ca. 3 år) eller indtil sygdomsprogression
|
|
Del 3: Andel af deltagere, der opnår PSA50
Tidsramme: Gennem endt studie (ca. 3 år)
|
Gennem endt studie (ca. 3 år)
|
|
Del 3: Bestem clearance af rosopatamab tetraxetan og Ac-225 rosopatamab tetraxetan fra kredsløbet via måling i serum på specificerede serielle tidspunkter
Tidsramme: Til og med uge 8
|
Til og med uge 8
|
|
Del 2: Strålingsdosimetri af AC-225 Rosopatamab tetraxetan: Absorberet stråledosis (udtrykt som Gy/MBQ) i normale organer
Tidsramme: Dag 1 til dag 15
|
Dag 1 til dag 15
|
|
Del 3: Radioaktivitetsniveauer af AC-225 Rosopatamab tetraxetan
Tidsramme: Gennem uge 8
|
Gennem uge 8
|
|
Part 4: Proportion of participants who achieve PSA50
Tidsramme: Through end of study (approximately 3 years)
|
Through end of study (approximately 3 years)
|
|
Part 4: Biochemical progression-free survival (bPFS) as assessed by the Prostate Cancer Working Group 3 (PCWG3)
Tidsramme: Through end of study (approximately 3 years) or until disease progression
|
Through end of study (approximately 3 years) or until disease progression
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Anslået)
Primær færdiggørelse
Studieafslutning (Anslået)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- CONVERGE-01
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .