About this trial
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.
Eligibility criteria
Qualifiers
Participants must have histologically confirmed thymoma or thymic carcinoma.
Participants should have received at least one prior line of platinum-based chemotherapy. For participants who have refused cytotoxic chemotherapy, a rationale for refusal to receive standard first-line therapy will be captured in the case report form and the medical record. Progressive disease must be documented prior to study entry and participants must have advanced, unresectable disease that is not amenable to surgical resection.
Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST 1.1.
Participants must be aged >=18 years.
Disqualifiers
History of allergic reactions attributed to compounds of similar chemical or biologic composition to PT-112. Since there is no definitive list of compounds of similar chemical or biologic composition to PT-112, the principal investigator if in doubt, will report known allergies to the pharmacist to make a determination as to whether it is safe to enroll a participant.
Concurrent treatment with a non-permitted drug.
Concurrent anticancer treatment within 14 days before initiation of study therapy (includes radiotherapy; however, palliative bone-directed radiotherapy is permitted).
Major surgery within 14 days before enrollment (excluding prior diagnostic biopsy).
Trial design
Treatments tested in this trial
- PT-112