[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100527622":3},{"organization":4,"armGroups":7,"interventions":16,"overallOfficials":31,"centralContacts":35,"locations":41,"responsibleParty":367,"collaborators":22,"id":369,"slug":370,"hasResults":371,"nctId":372,"briefTitle":373,"officialTitle":374,"acronym":22,"eligibilityCriteria":375,"healthyVolunteers":371,"sex":376,"minAge":377,"maxAge":22,"enrollmentInfo":378,"targetDuration":22,"studyType":381,"phases":382,"briefSummary":384,"conditions":385,"keywords":22,"overallStatus":44,"whyStopped":22,"lastUpdateSubmitDate":387,"lastUpdatePostDateStruct":388,"startDateStruct":391,"completionDateStruct":393,"leadSponsor":395,"locationsCount":396},{"fullName":5,"class":6},"Janssen Research & Development, LLC","INDUSTRY",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Dose Escalation (Part 1), Dose Expansion (Part 2) and Part 1b (US only), Part 2b (US only)","EXPERIMENTAL","In dose escalation (Part 1), participants will receive JNJ-88549968. For myelofibrosis (MF) participants only, the study will explore a Phase 1b cohort in which the janus kinase (JAK) inhibitor ruxolitinib or momelotinib is started in combination with JNJ-88549968. The dose will be escalated sequentially to determine the recommended phase 2 dose (RP2D) and optimal dosing schedule (s) based on safety, pharmacokinetic, pharmacodynamic, and preliminary assessment of efficacy across several dose regimens. In dose expansion (Part 2, Part 2b \\[US only\\]), participants will receive JNJ-88549968 at the RP2D regimen(s) determined in dose escalation (Part 1, Part 1b \\[US only\\]).",[13,14,15],"Drug: JNJ-88549968","Drug: Ruxolitinib","Drug: Momelotinib",[17,23,27],{"type":18,"name":19,"description":20,"armGroupLabels":21,"otherNames":22},"DRUG","JNJ-88549968","JNJ-88549968 will be administered.",[9],null,{"type":18,"name":24,"description":25,"armGroupLabels":26,"otherNames":22},"Ruxolitinib","For US sites: Ruxolitinib will be administered for participants with MF only.",[9],{"type":18,"name":28,"description":29,"armGroupLabels":30,"otherNames":22},"Momelotinib","For US sites: Momelotinib will be administered for participants with MF only.",[9],[32],{"name":33,"affiliation":5,"role":34},"Janssen Research & Development, LLC Clinical Trial","STUDY_DIRECTOR",[36],{"name":37,"role":38,"phone":39,"phoneExt":22,"email":40},"Study 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York","10065",{"type":51,"coordinates":101},[102,103],-74.00597,40.71427,{"lat":103,"lon":102},{"facility":106,"status":44,"city":107,"state":98,"zip":108,"country":48,"countryCode":49,"cosmosGeoPoint":109,"geoPoint":113,"contacts":22},"Montefiore Medical Center","The Bronx","10467",{"type":51,"coordinates":110},[111,112],-73.86641,40.84985,{"lat":112,"lon":111},{"facility":115,"status":44,"city":116,"state":117,"zip":118,"country":48,"countryCode":49,"cosmosGeoPoint":119,"geoPoint":123,"contacts":22},"Levine Cancer Institute","Charlotte","North Carolina","28204",{"type":51,"coordinates":120},[121,122],-80.84313,35.22709,{"lat":122,"lon":121},{"facility":125,"status":44,"city":126,"state":127,"zip":128,"country":48,"countryCode":49,"cosmosGeoPoint":129,"geoPoint":133,"contacts":22},"University of Pennsylvania","Philadelphia","Pennsylvania","19104",{"type":51,"coordinates":130},[131,132],-75.16362,39.95238,{"lat":132,"lon":131},{"facility":135,"status":44,"city":136,"state":137,"zip":138,"country":48,"countryCode":49,"cosmosGeoPoint":139,"geoPoint":143,"contacts":22},"Sarah Cannon Cancer Institute","Nashville","Tennessee","37203",{"type":51,"coordinates":140},[141,142],-86.78444,36.16589,{"lat":142,"lon":141},{"facility":145,"status":44,"city":146,"state":147,"zip":148,"country":48,"countryCode":49,"cosmosGeoPoint":149,"geoPoint":153,"contacts":22},"MD Anderson Cancer Center","Houston","Texas","77030",{"type":51,"coordinates":150},[151,152],-95.36327,29.76328,{"lat":152,"lon":151},{"facility":155,"status":44,"city":156,"state":157,"zip":158,"country":159,"countryCode":160,"cosmosGeoPoint":161,"geoPoint":165,"contacts":22},"Princess Margaret Cancer Centre University Health Network","Toronto","Ontario","M5G 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Louis","Paris","75475","France","FR",{"type":51,"coordinates":194},[195,196],2.3488,48.85341,{"lat":196,"lon":195},{"facility":199,"status":44,"city":200,"state":22,"zip":201,"country":191,"countryCode":192,"cosmosGeoPoint":202,"geoPoint":206,"contacts":22},"CH LYON SUD - Hematology","Pierre-Bénite","69495",{"type":51,"coordinates":203},[204,205],4.82424,45.70359,{"lat":205,"lon":204},{"facility":208,"status":44,"city":209,"state":22,"zip":210,"country":211,"countryCode":212,"cosmosGeoPoint":213,"geoPoint":217,"contacts":22},"Universitaetsklinikum der RWTH Aachen","Aachen","52074","Germany","DE",{"type":51,"coordinates":214},[215,216],6.08342,50.77664,{"lat":216,"lon":215},{"facility":219,"status":44,"city":220,"state":22,"zip":221,"country":211,"countryCode":212,"cosmosGeoPoint":222,"geoPoint":226,"contacts":22},"Charite Campus Benjamin 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Univ. Germans Trias I Pujol","Badalona","08916","Spain","ES",{"type":51,"coordinates":328},[329,330],2.24741,41.45004,{"lat":330,"lon":329},{"facility":333,"status":44,"city":334,"state":22,"zip":335,"country":325,"countryCode":326,"cosmosGeoPoint":336,"geoPoint":340,"contacts":22},"Hosp. Clinico Univ. de Valencia","Valencia","46010",{"type":51,"coordinates":337},[338,339],-0.37966,39.47391,{"lat":339,"lon":338},{"facility":342,"status":44,"city":343,"state":22,"zip":344,"country":345,"countryCode":346,"cosmosGeoPoint":347,"geoPoint":351,"contacts":22},"University College London Hospitals Nhs Foundation Trust","London","NW1 2PG","United Kingdom","UK",{"type":51,"coordinates":348},[349,350],-0.12574,51.50853,{"lat":350,"lon":349},{"facility":353,"status":44,"city":343,"state":22,"zip":354,"country":345,"countryCode":346,"cosmosGeoPoint":355,"geoPoint":357,"contacts":22},"Guy's and St Thomas' Hospital","SE1 9RT",{"type":51,"coordinates":356},[349,350],{"lat":350,"lon":349},{"facility":359,"status":44,"city":360,"state":22,"zip":361,"country":345,"countryCode":346,"cosmosGeoPoint":362,"geoPoint":366,"contacts":22},"Churchill Hospital","Oxford","OX3 7LE",{"type":51,"coordinates":363},[364,365],-1.25596,51.75222,{"lat":365,"lon":364},{"type":368,"investigatorFullName":22,"investigatorTitle":22,"investigatorAffiliation":22,"oldNameTitle":22,"oldOrganization":22},"SPONSOR","100527622","phase-1-a-study-of-jnj-88549968-for-the-treatment-of-calreticulin-calr-mutated-myeloproliferative-neoplasms-100527622",false,"NCT06150157","A Study of JNJ-88549968 for the Treatment of Calreticulin (CALR)-Mutated Myeloproliferative Neoplasms","A First-in-Human Study of the Safety, Pharmacokinetics, and Pharmacodynamics of JNJ-88549968, a T-cell Redirecting Bispecific Antibody for CALR-mutated Myeloproliferative Neoplasms","Inclusion Criteria:\n\n* Be greater than or equal to (\\>=) 18 years of age (or the legal age of majority in the jurisdiction in which the study is taking place, whichever the greater) at the time of informed consent\n* Positive for a calreticulin (CALR) driver mutation of essential thrombocythemia (ET) or myelofibrosis (MF)\n* Participants with ET and MF with risk characteristics as described in the protocol\n* Have an Eastern Cooperative Oncology Group (ECOG) performance status grade of less than or equal to (\\\u003C=) 2\n* For US sites: Eligible for ruxolitinib therapy as per drug label for participants naive to a janus kinase (JAK) inhibitor\n\nExclusion Criteria:\n\n* Known allergies, hypersensitivity, or intolerance to the excipients of the study treatment\n* Concurrent or recently diagnosed or treated malignancies present at the time of participant screening. Exceptions are squamous and basal cell carcinoma of the skin, carcinoma in situ of the cervix, and any malignancy that is considered cured or has minimal risk of recurrence within 1 year of first dose of study treatment in the opinion of both the investigator and sponsor's medical monitor. Participants cured of another malignant disease with no sign of relapse greater than or equal to (\\>=) 3 years after treatment ended are allowed to enter the study\n* Prior solid organ transplantation\n* Either of the following regarding hematopoietic stem cell transplantation:\n\n  1. Prior treatment with allogenic stem cell transplant less than or equal to (\\\u003C=) 6 months before the first dose of JNJ-88549968 or\n  2. Evidence of graft versus host disease (GVHD) that requires immunosuppressant therapy\n* History of clinically significant cardiovascular disease within 6 months prior to the first dose of study treatment","ALL","18 Years",{"count":379,"type":380},220,"ESTIMATED","INTERVENTIONAL",[383],"PHASE1","The purpose of this study is to characterize safety and to determine the Recommended Phase 2 Dose (RP2D\\[s\\]) and optimal dosing schedule(s) of JNJ-88549968 in part 1 (Dose Escalation); to characterize the safety of JNJ- 88549968 at RP2D(s) in part 2 (Cohort Expansion). For U.S. sites: the purpose of this study is to characterize the safety and to determine the RP2D(s) and optimal dosing schedule(s) of JNJ-88549968 in Part 1 and part 1b (Dose Escalation), and to characterize the safety of JNJ-88549968 at the RP2D(s) in Part 2 and part 2b (Cohort Expansion), when given as monotherapy in essential thrombocythemia (ET) or myelofibrosis (MF), and with ruxolitinib or momelotinib in MF only.",[386],"Neoplasms","2026-06-04",{"date":389,"type":390},"2026-06-05","ACTUAL",{"date":392,"type":390},"2023-12-20",{"date":394,"type":380},"2028-05-12",{"name":5,"class":6},33]