{"groups":[{"description":"Participants with advanced relapsed or refractory lymphomas received TTI-621 0.05 milligram per kilogram (mg/kg) infusion once weekly until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.","id":"FG000","title":"Ontorpacept (PF-07901800/TTI-621) 0.05 mg/kg"},{"description":"Participants with advanced relapsed or refractory lymphomas received TTI-621 0.1 mg/kg infusion once weekly until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.","id":"FG001","title":"Ontorpacept (PF-07901800/TTI-621) 0.1 mg/kg"},{"description":"Participants with advanced relapsed or refractory lymphomas received TTI-621 0.2 mg/kg infusion once weekly until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.","id":"FG002","title":"Ontorpacept (PF-07901800/TTI-621) 0.2 mg/kg"},{"description":"Participants with advanced relapsed or refractory lymphomas received TTI-621 0.3 mg/kg infusion once weekly until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.","id":"FG003","title":"Ontorpacept (PF-07901800/TTI-621) 0.3 mg/kg"},{"description":"Participants with a broader variety of hematologic malignancies and selected solid tumors, received a 0.2 mg/kg/week TTI-621 infusion until disease progression, unacceptable toxicity, or other reasons for treatment discontinuation occurred.","id":"FG004","title":"Ontorpacept (PF-07901800/TTI-621) Monotherapy for Part 2"},{"description":"Participants with Classical Hodgkin's Lymphoma (cHL) received 0.1 mg/kg/week TTI-621 infusion along with 3 mg/kg nivolumab given every 2 weeks or a fixed dose per current FDA approved package insert for cHL. 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Terminated By Sponsor"}],"milestones":[{"achievements":[{"comment":"No participants for part 2 and 3.","groupId":"FG000","numSubjects":"0"},{"comment":"No participants for part 2 and 3.","groupId":"FG001","numSubjects":"0"},{"comment":"No participants for part 2 and 3.","groupId":"FG002","numSubjects":"0"},{"comment":"No participants for part 2 and 3.","groupId":"FG003","numSubjects":"0"},{"comment":"Part 2 participants.","groupId":"FG004","numSubjects":"107"},{"comment":"Part 2 participants.","groupId":"FG005","numSubjects":"11"},{"comment":"Part 2 participants.","groupId":"FG006","numSubjects":"40"},{"comment":"Part 3 participants.","groupId":"FG007","numSubjects":"42"},{"comment":"No participants for part 2 and 3.","groupId":"FG008","numSubjects":"0"},{"comment":"No participants for part 2 and 3.","groupId":"FG009","numSubjects":"0"},{"comment":"No participants for part 2 and 3.","groupId":"FG010","numSubjects":"0"},{"comment":"No participants for part 2 and 3.","groupId":"FG011","numSubjects":"0"},{"comment":"No participants for part 2 and 3.","groupId":"FG012","numSubjects":"0"},{"comment":"No participants for part 2 and 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