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Clinical trialNCT05104736RecruitingPhase 2Interventional

PT-112 in Subjects With Thymoma and Thymic Carcinoma

SponsorNational Cancer Institute (NCI)Enrollment53Recurrent ThymomaThymic CancerThymic Epithelial Tumor
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

Background: There are no approved drugs to treat recurrent thymoma and thymic carcinoma. New therapies are needed for people with these cancers. Researchers want to see if the drug PT-112 can help. PT-112 kills cancer cells. It also helps the body s immune system fight cancer. Objective: To see if the study drug PT-112 can cause tumors to shrink. Eligibility: People ages 18 and older who have thymoma or thymic cancer and whose disease returned or progressed after treatment with at least one platinum-containing chemotherapy, or who have refused standard treatment. Design: Participants will be screened with: Review of medical history and medications Physical exam Blood and urine tests CT or MRI scans of parts of the body, including the brain Participants will get PT-112 in 28-day cycles, on days 1 and 15 of of the first cycle and on day 1 of each cycle after that. They will get the drug by infusion through a catheter. The catheter is a small plastic tube put into a vein. On days they receive the drug, participants will have physical exams and blood and urine tests. They will have an ECG to test heart function on day 1 of each cycle. Participants will have scans every 8 weeks. Participants may choose to have tumor biopsies on day 1 of cycles 1 and 3. Biopsies may be guided by an ultrasound or CT scan. Participants will continue treatment as long as they can handle the side effects and their disease does not get worse, for up to 8 years. Participants will have follow-up visits 2 weeks and 4 weeks after they stop therapy. Then the study team will check on participants every 3 months until 8 years after the participant joined the study.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • National Institutes of Health Clinical Center

    Bethesda, Maryland, United States

    Recruiting

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

PT-112
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
6 Apr 2022
Primary completion
31 Dec 2027
Completion
30 Jun 2028
Last update posted
16 Oct 2026
Registered enrollment
53
Registry id
NCT05104736
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 4 Nov 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.