En undersøgelse for at lære om undersøgelsesmedicinen PF-07220060 sammen med letrozol sammenlignet med letrozol alene hos kvinder efter overgangsalderen
EN INTERVENTIONEL, ÅBEN LABEL, RANDOMISERET, MULTICENTER, FASE 2 UNDERSØGELSE AF PF-07220060 PLUS LETROZOL SAMMENLIGNET MED LETROZOL ALENE HOS KVINDER POSTMENOPAUSALE 18 ÅR ELLER ÆLDRE MED HERMAN-HORMON-REGIVET UVANT INDSTILLING
Formålet med denne undersøgelse er at lære om virkningerne af studiemedicinen PF-07220060 plus letrozol sammenlignet med virkningerne af at tage letrozol alene uden PF-07220060 til behandling af brystkræft.
Denne undersøgelse søger deltagere, der er:
- kvinder i alderen 18 år og ældre efter overgangsalderen (enten naturligt eller kirurgisk).
- bekræftet at have hormonreceptor (HR) positiv, human epidermal vækstfaktor receptor 2 (HER2) negativ brystkræft. HER2 negativ beskriver celler, der har en lille mængde eller ingen af et protein kaldet HER2 på deres overflade. I normale celler hjælper HER2 med at kontrollere cellevækst. Kræftceller, der er HER2-negative, kan vokse langsommere og er mindre tilbøjelige til at gentage sig (vende tilbage) eller sprede sig til andre dele af kroppen end kræftceller, der har en stor mængde HER2 på deres overflade.
- ikke blevet behandlet for deres kræft før denne undersøgelse.
Deltagerne vil blive tilfældigt tildelt (som at vende en mønt) til at modtage behandlingen (PF-07220060 plus letrozol) eller letrozol alene. Både PF-07220060 og letrozol tages gennem munden. PF-07220060 tages to gange om dagen i 14 dage. Letrozol tages én gang dagligt i 14 dage.
Deltagerne vil have en screeningsperiode på op til 28 dage. Hvis de skønnes egnede, vil de modtage undersøgelsesbehandling i 14 dage og derefter have et opfølgningsbesøg omkring 28 dage efter deres sidste dosis.
Alle deltagere vil have mindst én biopsi under undersøgelsen. Biopsi er fjernelse af celler eller væv til undersøgelse. Alle deltagere får en biopsi på dag 14.
Yderligere sikkerhedsvurderinger, herunder blodudtagninger og interviews udført af stedets personale, vil blive afsluttet under undersøgelsen.
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Fase 2
Kontakter og lokationer
Studiekontakt
Studiekontakt
- Navn: Pfizer CT.gov Call Center
- Telefonnummer: 1-800-718-1021
- E-mail: ClinicalTrials.gov_Inquiries@pfizer.com
Studiesteder
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Victoria
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Melbourne, Victoria, Australien, 3000
- Peter MacCallum Cancer Centre
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Parkville, Victoria, Australien, 3052
- Royal Melbourne Hospital
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Bruxelles-capitale, Région de
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Anderlecht, Bruxelles-capitale, Région de, Belgien, 1070
- Institut Jules Bordet
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Vlaams-brabant
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Leuven, Vlaams-brabant, Belgien, 3000
- UZ Leuven
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Illinois
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Barrington, Illinois, Forenede Stater, 60010
- Advocate Good Shepherd Hospital
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Crystal Lake, Illinois, Forenede Stater, 60014
- AMG -Crystal Lake
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Park Ridge, Illinois, Forenede Stater, 60068
- Advocate Lutheran General Hospital
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Park Ridge, Illinois, Forenede Stater, 60068
- Advocate Medical Group
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Texas
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Houston, Texas, Forenede Stater, 77030
- Baylor St. Luke's Medical Center
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Houston, Texas, Forenede Stater, 77030
- Ben Taub General Hospital
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Houston, Texas, Forenede Stater, 77030
- Baylor College of Medicine Medical Center
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Houston, Texas, Forenede Stater, 77054
- Harris Health System - Smith Clinic
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Houston, Texas, Forenede Stater, 77054
- O'Quinn Medical Tower - McNair Campus
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San Antonio, Texas, Forenede Stater, 78229
- START San Antonio
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Ille-et-vilaine
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Rennes, Ille-et-vilaine, Frankrig, 35042
- Centre Eugène Marquis Rennes - Centre de Lutte Contre le Cancer
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Languedoc-roussillon
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Montpellier, Languedoc-roussillon, Frankrig, 34070
- Centre de Cancérologie du Grand Montpellier
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Loire-atlantique
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Saint-Herblain, Loire-atlantique, Frankrig, 44805
- Institut de Cancérologie de l'Ouest
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Pays de la Loire Region
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Saint Priest En Jarez, Pays de la Loire Region, Frankrig, 42271
- CHU de Saint-Etienne
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Rhône
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Pierre-Bénite, Rhône, Frankrig, 69310
- Centre Hospitalier LYON SUD
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Saint-Genis-Laval, Rhône, Frankrig, 69230
- HCL, Centre Hospitalier Lyon Sud
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Val-de-marne
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Villejuif, Val-de-marne, Frankrig, 94800
- Gustave Roussy
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Brindisi, Italien, 72100
- Ospedale Antonio Perrino
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Novara, Italien, 28100
- Azienda Ospedaliero Universitaria Maggiore della Carità
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Emilia-Romagna
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Meldola, Emilia-Romagna, Italien, 47014
- IRCCS - Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori"
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Lombardy
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Monza, Lombardy, Italien, 20900
- Fondazione IRCCS San Gerardo dei Tintori
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Tuscany
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Livorno, Tuscany, Italien, 57124
- Azienda USL Toscana Nord Ovest_Ospedale Civile di Livorno
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Greater Poland Voivodeship
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Skórzewo, Greater Poland Voivodeship, Polen, 60-185
- Aidport Sp. z o.o.
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Lesser Poland Voivodeship
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Krakow, Lesser Poland Voivodeship, Polen, 30-727
- Pratia MCM Krakow
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Masovian Voivodeship
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Warsaw, Masovian Voivodeship, Polen, 02-781
- Narodowy Instytut Onkologii im. Marii Sklodowskiej-Curie - Panstwowy Instytut Badawczy w Warszawie
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Podkarpackie Voivodeship
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Przemyśl, Podkarpackie Voivodeship, Polen, 37-700
- Wojewodzki Szpital Im. SW. Ojca Pio W Przemyslu
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Baden, Schweiz, 5404
- Kantonsspital Baden
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Canton of Aargau
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Aarau, Canton of Aargau, Schweiz, 5000
- Tumor Zentrum Aarau
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Canton of Basel-City
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Basel, Canton of Basel-City, Schweiz, 4031
- University Hospital Basel
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Bratislava, Slovakiet, 833 10
- Narodny onkologicky ustav
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Nitra Region
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Komárno, Nitra Region, Slovakiet, 945 05
- Nemocnica AGEL Komarno
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Granada, Spanien, 18016
- Hospital Universitario San Cecilio
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Madrid, Spanien, 28050
- Hospital Universitario HM Sanchinarro
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Alicante
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Elche, Alicante, Spanien, 03203
- Hospital General Universitario de Elche
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Barcelona [barcelona]
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Barcelona, Barcelona [barcelona], Spanien, 08035
- Hospital Universitari Vall d'Hebron
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Catalunya [cataluña]
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Barcelona, Catalunya [cataluña], Spanien, 08041
- Hospital de La Santa Creu i Sant Pau
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Cádiz
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Jerez de la Frontera, Cádiz, Spanien, 11407
- Hospital Jerez de la Frontera
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Madrid, Comunidad de
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Madrid, Madrid, Comunidad de, Spanien, 28041
- Hospital Universitario 12 de Octubre
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Madrid, Madrid, Comunidad de, Spanien, 28009
- Hospital General Universitario Gregorio Marañón
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Murcia, Región de
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El Palmar, Murcia, Región de, Spanien, 30120
- Hospital Clínico Universitario Virgen de la Arrixaca
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Málaga
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Málaga, Málaga, Spanien, 29010
- Hospital Universitario Virgen de la Victoria
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Gävleborgs LÄN [se-21]
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Gävle, Gävleborgs LÄN [se-21], Sverige, 80187
- Sjukhuset I Gävle
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Uppsala LÄN [se-03]
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Uppsala, Uppsala LÄN [se-03], Sverige, 751 85
- Akademiska Sjukhuset
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Seoul-teukbyeolsi [seoul]
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Seoul, Seoul-teukbyeolsi [seoul], Sydkorea, 03080
- Seoul National University Hospital
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Tainan, Taiwan, 704
- National Cheng Kung University Hospital
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Taipei, Taiwan, 10449
- Mackay Memorial Hospital
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Saarland
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Saarbrücken, Saarland, Tyskland, 66113
- Caritasklinikum Saarbrücken St. Theresia
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Beskrivelse
Inklusionskriterier:
- Postmenopausale kvinder med histologisk bekræftet HR-positiv og HER2-negativ BC (pr. lokal vurdering)
- Dokumenteret af østrogenreceptor (ER) og/eller progesteronreceptor (PR)-positiv sygdom af IHC eller ISH
- Deltagerne skal have Ki-67 score >/=10 % med ensidig, invasiv T1c-T4c, N0-N2, M0 BC
- Deltagerne skal være villige og i stand til at gennemgå en baseline- og dag 14-biopsi og skal have en ECOG PS eller 0 eller 1.
- Deltagerne skal være behandlingsnaive til behandling af BC og må ikke have haft forudgående behandling med nogen systemisk terapi (f.eks. kemoterapi, hormonbehandling), stråling, kirurgi eller andre undersøgelsesmidler eller brug af hormonsubstitutionsterapi (HRT) eller noget andet østrogen -indeholdende medicin (inklusive vaginalt østrogen) inden for 2 uger før udtagelse af diagnostisk vævsprøve.
Ekskluderingskriterier:
- Ingen forudgående systemisk terapi, stråling, kirurgi, undersøgelsesterapi til behandling af brystkræft
- Visse medicinske tilstande inden for de foregående 6 måneder, for eksempel: myokardieinfarkt, svær ustabil angina, koronar/perifer arterie bypassgraft, symptomatisk kongestiv hjertesvigt (New York Heart Association klasse III eller IV), cerebrovaskulær ulykke, forbigående iskæmisk anfald, symptomatisk lungesygdom emboli eller anden klinisk signifikant episode af tromboemboli
- Lababnormiteter uden for protokolspecificerede parametre
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: Arm A/Eksperimentel/PF-07220060 plus letrozol
PF-07220060 givet som tablet gennem munden to gange dagligt i 14 dage.
Letrozol givet som tablet gennem munden én gang dagligt i 14 dage.
|
PF-07220060 givet som tablet gennem munden to gange dagligt i 14 dage.
Letrozol givet som tablet gennem munden én gang dagligt i 14 dage
Andre navne:
|
|
Aktiv komparator: Arm B/Kontrol/letrozol
Letrozol givet gennem munden én gang dagligt i 14 dage.
|
Letrozol givet som tablet gennem munden én gang dagligt i 14 dage
Andre navne:
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Percentage of Participants With Complete Cell Cycle Arrest (CCCA) at Day 14
Tidsramme: Day 14
|
CCCA was determined by antigen Kiel 67 (Ki-67) value as decided by Sponsor.
Ki-67 was extensively used as a prognostic and predictive biomarker for cancer diagnosis and treatment.
Ki-67 expression was measured by immunohistochemistry. Assessment at Day 14 was done in blinded manner by centrally assessed biopsy.
|
Day 14
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Number of Participants With Treatment Emergent Adverse Events (TEAEs)
Tidsramme: From start of study intervention (Day 1) up to 35 days after the last dose of study intervention or start of subsequent anti-cancer therapy minus 1 day, whichever occurred first (approximately up to 49 days)
|
An adverse event (AE) was any untoward medical occurrence in a participant or clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention.
An serious adverse event (SAE) was defined as any untoward medical occurrence that, at any dose, met one or more of the criteria: resulted in death, was life-threatening, required inpatient hospitalization or prolongation of existing hospitalization, resulted in persistent or significant disability/incapacity and was congenital anomaly/birth defect.
AEs that occurred on or after the first dose of study treatment and before the end of treatment (35 days after last dose of study treatment or start of subsequent anti-cancer therapy minus 1 day, whichever occurred first) was considered TEAEs.
All AEs (SAEs and all other AEs) were considered for evaluation.
|
From start of study intervention (Day 1) up to 35 days after the last dose of study intervention or start of subsequent anti-cancer therapy minus 1 day, whichever occurred first (approximately up to 49 days)
|
|
Number of Participants With Treatment Emergent Serious Adverse Events (TESAEs)
Tidsramme: From start of study intervention (Day 1) up to 35 days after the last dose of study intervention or start of subsequent anti-cancer therapy minus 1 day, whichever occurred first (approximately up to 49 days)
|
An SAE was defined as any untoward medical occurrence that, at any dose, met one or more of the criteria: resulted in death, was life-threatening, required inpatient hospitalization or prolongation of existing hospitalization, resulted in persistent or significant disability/incapacity and was congenital anomaly/birth defect.
AEs that occurred on or after the first dose of study treatment and before the end of treatment (35 days after last dose of study treatment or start of subsequent anti-cancer therapy minus 1 day, whichever occurred first) was considered TEAEs.
|
From start of study intervention (Day 1) up to 35 days after the last dose of study intervention or start of subsequent anti-cancer therapy minus 1 day, whichever occurred first (approximately up to 49 days)
|
|
Number of Participant With AEs Leading to Any Study Intervention Discontinuation
Tidsramme: During study treatment (maximum up to 14 days)
|
An AE was any untoward medical occurrence in a participant or clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention.
|
During study treatment (maximum up to 14 days)
|
|
Circulating Tumor Deoxyribonucleic Acid (ctDNA) Methylation Tumor Fraction Values at Baseline and Day 14
Tidsramme: Baseline (the last measurement on or prior to date of the first dose of study intervention if the first dose is not missing, otherwise, on or prior to the randomization date), Day 14 (pre-dose)
|
The methylation-based tumor fraction of a single sample was estimated from methylation signals across targeted regions from the methylation panel, was calibrated using training data including cancer free donors and participants with mixed cancer types.
The method included a data-informed differentially methylated region selection targeting regions with high pan cancer signal to noise ratio.
This value was an estimate of the proportion of the sample that was tumor derived and expressed as percentage of DNA.
ctDNA methylation tumor fraction values were reported in percentage at Baseline and Day 14 were assessed from central laboratory.
|
Baseline (the last measurement on or prior to date of the first dose of study intervention if the first dose is not missing, otherwise, on or prior to the randomization date), Day 14 (pre-dose)
|
|
Plasma Concentration (Ctrough) of PF-07220060 on Day 14
Tidsramme: Pre-dose (within 30 minutes before dosing) on Day 14
|
Ctrough was pre-dose plasma concentration.
|
Pre-dose (within 30 minutes before dosing) on Day 14
|
|
Plasma Concentration at the Time of Biopsy (Cperi-biopsy) of PF-07220060 on Day 14
Tidsramme: Within 1 hour before or 1 hour after biopsy on Day 14
|
Cperi-biopsy was plasma concentration at the time of biopsy.
|
Within 1 hour before or 1 hour after biopsy on Day 14
|
|
Change From Baseline in Antigen Ki-67 at Day 14
Tidsramme: Baseline (the last measurement on or prior to date of the first dose of study intervention if the first dose was not missing, otherwise, on or prior to the randomization date), Day 14 (pre-dose)
|
Ki-67 was extensively used as a prognostic and predictive biomarker for cancer diagnosis and treatment.
Ki-67 expression was measured by immunohistochemistry and expressed as percentage of cells.
Assessment at baseline and Day 14 was done in blinded manner by centrally assessed biopsy.
|
Baseline (the last measurement on or prior to date of the first dose of study intervention if the first dose was not missing, otherwise, on or prior to the randomization date), Day 14 (pre-dose)
|
|
Relative Reduction (%) of Ki-67 From Baseline at Day 14
Tidsramme: Baseline (the last measurement on or prior to date of the first dose of study intervention if the first dose was not missing, otherwise, on or prior to the randomization date), Day 14 (pre-dose)
|
Ki-67 was extensively used as a prognostic and predictive biomarker for cancer diagnosis and treatment.
Ki-67 expression was measured by immunohistochemistry. Assessment at baseline and Day 14 was done in blinded manner by centrally assessed biopsy.
Relative reduction at Day 14 was calculated as:100 *(1-Ki-67 at Day 14/Ki-67 at Baseline).
Relative reduction was expressed in percentage reduction.
|
Baseline (the last measurement on or prior to date of the first dose of study intervention if the first dose was not missing, otherwise, on or prior to the randomization date), Day 14 (pre-dose)
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Studieleder: Pfizer CT.gov Call Center, Pfizer
Publikationer og nyttige links
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
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
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- C4391025
- 2024-512848-30-00 (Registry Identifier: CTIS (EU))
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
IPD-planbeskrivelse
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
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