A Phase 2 interventional study of Ivocizumab in Pheochromocytoma/Paraganglioma, Rhabdomyosarcoma and Paget Disease, Extramammary, sponsored by Fudan University. Recruiting at 1 site in China. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-08-24.
Sponsored by Fudan University · Phase 2, Interventional, and Treatment
The goal of this clinical trial is to learn if Ivonescimab works to treat advanced rare tumors including cohort 1: PAGET's disease of scrotum with infiltrating sweat gland carcinoma. cohort 2: Metastatic paraganglioma and pheochromocytoma. cohort 3: Metastatic renal angiomyolipoma and malignant perivascular epithelioid cell tumor.
cohort 4: Rhabdomyosarcoma and Ewing's sarcoma cohort 5: Collecting duct carcinoma cohort 6: Urachal carcinoma. cohort 7: Neuroendocrine cancer. cohort 8: Basal cell carcinoma and sarcomatoid carcinoma. cohort 9: Penile cancer. cohort 10: Adrenal cortical cancer. cohort 11: Metastatic germ cell tumors, failure of standard cisplatin based therapy (mostly testicular cancer).
cohort 12: Non-clear cell renal carcinoma (including renal papillary renal carcinoma); Renal cancer cannot be classified).
cohort 13: Non-clear cell renal carcinoma (including chromophobe renal carcinoma) cohort 14: Other rare tumors that cannot be classified (such as testicular reticulum adenocarcinoma, etc.).
cohort 15: Prostate cancer. cohort 16: Clear cell renal carcinoma. (16.1: received PD-1; 16.2: no PD-1 received) cohort 17: Urothelial carcinoma. cohort 18: Kidney cancer with brain metastases. cohort 19: Brain metastases of urothelial carcinoma. cohort 20: Rare tumors with brain metastases.
It will also learn about the safety of Ivonescimab. The main questions it aims to answer are:
Does Ivonescimab improve the objective response rate and prolong the survival of participants? What medical problems do participants have when taking Ivonescimab?
Participants will:
Receive Ivonescimab 20mg/kg intravenously every 21 days until disease progression, intolerable toxicity, or full 2 years of treatment, whichever occurs first.
Be performed imaging evaluation according to RECIST 1.1 every 9 weeks for 1 year of treatment and every 12 weeks after 1 year Be recorded any adverse events in the whole study period including type, incidence, grade, severity, duration, and association with the study drug according to NCI-CTCAE V5.0 criteria
This is a prospective, multi-cohort phase II study. Primary objectives is to evaluate the objective response rate (ORR) of Ivonescimab in the treatment of multiple rare advanced tumors. Secondary objectives is to evaluate the imaging progression-free survival (PFS), overall survival (OS), quality of life (QoL), and safety in the treatment of multiple rare advanced tumors with Ivonescimab.
A total of 20 cohorts were included:
cohort 1: PAGET's disease of scrotum with infiltrating sweat gland carcinoma. cohort 2: Metastatic paraganglioma and pheochromocytoma. cohort 3: Metastatic renal angiomyolipoma and malignant perivascular epithelioid cell tumor.
cohort 4: Rhabdomyosarcoma and Ewing's sarcoma cohort 5: Collecting duct carcinoma cohort 6: Urachal carcinoma. cohort 7: Neuroendocrine cancer. cohort 8: Basal cell carcinoma and sarcomatoid carcinoma. cohort 9: Penile cancer. cohort 10: Adrenal cortical cancer. cohort 11: Metastatic germ cell tumors, failure of standard cisplatin based therapy (mostly testicular cancer).
cohort 12: Non-clear cell renal carcinoma (including renal papillary renal carcinoma); Renal cancer cannot be classified).
cohort 13: Non-clear cell renal carcinoma (including chromophobe renal carcinoma) cohort 14: Other rare tumors that cannot be classified (such as testicular reticulum adenocarcinoma, etc.).
cohort 15: Prostate cancer. cohort 16: Clear cell renal carcinoma. (16.1: received PD-1; 16.2: no PD-1 received) cohort 17: Urothelial carcinoma. cohort 18: Kidney cancer with brain metastases. cohort 19: Brain metastases of urothelial carcinoma. cohort 20: Rare tumors with brain metastases. Sample size: using one stage binomial design with power 80% and unilateral alpha value 0.1, it is expected that less than 5% will be ineffective, while 20% will be effective. Considering 10% loss of follow-up, 19 cases will be required. Calculate 20 people per cohort. A total of 400 patients were enrolled.
The study included a screening period (participants signed informed consent no more than 28 days before the first treatment in the study), a treatment period (treatment termination was defined as termination of treatment for any reason, such as imaging confirmation of disease progression, failure to tolerate adverse effects after dose adjustment, or early withdrawal for any reason), and a follow-up period (including end-of-treatment visits, safety visits, and survival follow-up).
Screening period: Participants are required to undergo a screening period within 28 days prior to the study's first treatment to determine eligibility.
Duration of treatment: Patients were treated with ebraxizumab (20mg/kg Q3W every 3 weeks) until disease progression or intolerability of toxicity, or ebraxizumab for 2 years. Reviews were performed every 9 weeks for 1 year of treatment and every 12 weeks after 1 year.
Follow-up period: The safety follow-up period began after the last study treatment, and was followed up once on the 30th day (±7 days). Subjects should go to the research center for the examination of vital signs, physical examination, laboratory examination and other protocol requirements, and evaluate AE, concomitant medication and concomitant treatment.
After the end of the safety follow-up period, the subjects entered the 1-year survival follow-up period, which was conducted every 3 months. They could be visited by telephone follow-up and other effective ways to collect survival information and follow-up treatment information. Survival follow-up lasted until death, loss of follow-up, withdrawal of informed consent, or investigator termination of the study.
Administration regimen: Ivonescimab (AK112), 20mg/kg, 21 days in a cycle, with not less than 90 minutes (±10 minutes) of intravenous infusion, the infusion time can be extended to a maximum of 240 minutes, continuous administration until disease progression, intolerable toxicity, or 2 years of treatment.
Dose adjustment of AK112 is not permitted during treatment, but delayed dosing is permitted for up to 12 weeks (since the last dosing time) if AK112 is discontinued for more than 12 weeks due to glucocorticoid administration for irAE, or if there is an AE that may be unrelated or unrelated to AK112 due to treatment. In both cases that led to the suspension of AK112 for more than 12 weeks, the investigators determined that the patient would benefit from continued treatment and could be allowed to delay treatment for more than 12 weeks.
158 studies on the registry are indexed under Pheochromocytoma; 57 are open to participants now.
This study's planned enrollment of 400 is above the median of 37 across 87 interventional studies indexed under Pheochromocytoma.
Browse Pheochromocytoma studies →Fudan University is the lead sponsor of 1,315 studies on the registry; 643 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
PAGET's disease of scrotum with infiltrating sweat gland carcinoma Paraganglioma Pheochromocytom, Renal angiomyolipoma Malignant perivascular epithelioid cell tumor, Rhabdomyosarcom Other sarcoma rather than rhabdomyosarcom
Exclusion Criteria:
With any severe and/or uncontrolled disease. Including: (1)Poor blood pressure control (systolic blood pressure ≥150mmHg or diastolic blood pressure ≥100mmHg); (2) poor control of diabetes (fasting blood sugar [FBG] >10mmol/L);
≥2 grade myocardial ischemia or myocardial infarction, arrhythmia (≥470ms), and ≥2 grade congestive heart failure ( classification); (3)active or uncontrolled severe infections requiring systemic antibacterial, antifungal, or antiviral treatment (≥ 2-level infection), including tuberculosis infection; A history of active tuberculosis; (4)Uncontrolled ascites, pleural effusion, or pericardial effusion that require repeated drainage;
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
The diagnosis was confirmed by looking at a sample under a microscope: tissue from a biopsy or surgery (histology), or cells from a fluid or needle sample (cytology).
Your pathology report is the document that shows this.
A scale of how much an illness limits everyday activity. For people being assessed to join a study, scores run from 0 (fully active) to 4; lower is more active.
Studies most often ask for 0–1 or 0–2. Your doctor gives the score; the WHO scale uses the same steps. The full scale also has 5, which records death.
The amount of disease can be tracked with a defined measurement, so the study can see whether it shrinks or grows. It might be a tumour measured on a scan or, in some blood cancers such as myeloma, a marker measured in blood or urine.
The criteria or the study team say which measurement counts — having no tumour visible on a scan does not by itself rule you out.
The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).
The number of neutrophils, white blood cells that help fight infection, in a given amount of blood. Too few raises the risk of infection.
It is a count, not a percentage of the white cells. Limits are written in units that mean the same: ≥ 1.5 × 10⁹/L is ≥ 1,500 per mm³ (µL). Each lab has its own reference range.
Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.
The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.
“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.
A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.
Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.
Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.
Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.
Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.
Blood tests of how long blood takes to clot. The INR is the prothrombin time (PT) put on a common scale; about 1 is usual for someone not taking a blood thinner.
Criteria often make an exception for people on a blood thinner such as warfarin, whose INR is raised on purpose.
Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.
Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.
On an ECG, the QT interval is the time the heart’s lower chambers take to activate electrically and recover in each beat. QTc is that time adjusted for heart rate (QTcF by Fridericia’s formula, QTcB by Bazett’s). Some medicines lengthen it, and a long QTc can raise the risk of a dangerous heart rhythm.
The study may name a correction formula and a limit in milliseconds, often around 450–480.
The New York Heart Association’s four classes of how much heart failure limits physical activity.
Studies set their own limit — many outside heart failure leave out class III–IV, while heart failure studies may ask for a particular class. Check the class this study names.
The US National Cancer Institute’s scale of how severe an adverse event is — any unwanted medical event during a study, such as a symptom, an illness or an abnormal test result, whether or not a treatment caused it. Whether it did is judged separately.
“Side effects of earlier treatment resolved to grade 1 or less” means they have settled to mild or gone.
Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.
Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.
Hepatitis C is a virus that infects the liver. An HCV antibody test can stay positive after an infection has cleared (and is occasionally positive without one); an HCV RNA test shows whether the virus is there now.
After treatment, hepatitis C counts as cured when HCV RNA is still undetectable 12 weeks or more after the treatment ended. Studies often accept people cured this way.
The human immunodeficiency virus, which weakens the immune system.
Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.
A condition in which the immune system attacks the body’s own tissues, such as rheumatoid arthritis, lupus, psoriasis, type 1 diabetes or inflammatory bowel disease.
Immunotherapy studies often leave out active autoimmune disease, and some name exceptions, such as thyroid disease on replacement hormone. Check the exceptions this study lists.
An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.
The other ingredients in a medicine besides the active drug, such as fillers, colours or preservatives.
Vaccines made with a weakened form of the germ, such as measles–mumps–rubella (MMR), chickenpox and yellow fever. They can be risky when the immune system is weakened. Flu injections are not live; the nasal flu spray is.
Informed consent
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Histologically or cytologically confirmed
The diagnosis was confirmed by looking at a sample under a microscope: tissue from a biopsy or surgery (histology), or cells from a fluid or needle sample (cytology).
Your pathology report is the document that shows this.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
ECOG performance status
A scale of how much an illness limits everyday activity. For people being assessed to join a study, scores run from 0 (fully active) to 4; lower is more active.
Studies most often ask for 0–1 or 0–2. Your doctor gives the score; the WHO scale uses the same steps. The full scale also has 5, which records death.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Measurable disease
The amount of disease can be tracked with a defined measurement, so the study can see whether it shrinks or grows. It might be a tumour measured on a scan or, in some blood cancers such as myeloma, a marker measured in blood or urine.
The criteria or the study team say which measurement counts — having no tumour visible on a scan does not by itself rule you out.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Hemoglobin (Hb)
The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Absolute neutrophil count (ANC)
The number of neutrophils, white blood cells that help fight infection, in a given amount of blood. Too few raises the risk of infection.
It is a count, not a percentage of the white cells. Limits are written in units that mean the same: ≥ 1.5 × 10⁹/L is ≥ 1,500 per mm³ (µL). Each lab has its own reference range.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Platelets
Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
ULN (upper limit of normal)
The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.
“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Bilirubin
A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.
Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
ALT and AST (liver enzymes)
Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.
Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Metastases
Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
INR, PT and aPTT (clotting tests)
Blood tests of how long blood takes to clot. The INR is the prothrombin time (PT) put on a common scale; about 1 is usual for someone not taking a blood thinner.
Criteria often make an exception for people on a blood thinner such as warfarin, whose INR is raised on purpose.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Contraception
Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.
Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
QT and QTc
On an ECG, the QT interval is the time the heart’s lower chambers take to activate electrically and recover in each beat. QTc is that time adjusted for heart rate (QTcF by Fridericia’s formula, QTcB by Bazett’s). Some medicines lengthen it, and a long QTc can raise the risk of a dangerous heart rhythm.
The study may name a correction formula and a limit in milliseconds, often around 450–480.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
NYHA class (heart failure)
The New York Heart Association’s four classes of how much heart failure limits physical activity.
Studies set their own limit — many outside heart failure leave out class III–IV, while heart failure studies may ask for a particular class. Check the class this study names.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
CTCAE grade
The US National Cancer Institute’s scale of how severe an adverse event is — any unwanted medical event during a study, such as a symptom, an illness or an abnormal test result, whether or not a treatment caused it. Whether it did is judged separately.
“Side effects of earlier treatment resolved to grade 1 or less” means they have settled to mild or gone.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Hepatitis B tests
Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.
Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Hepatitis C tests
Hepatitis C is a virus that infects the liver. An HCV antibody test can stay positive after an infection has cleared (and is occasionally positive without one); an HCV RNA test shows whether the virus is there now.
After treatment, hepatitis C counts as cured when HCV RNA is still undetectable 12 weeks or more after the treatment ended. Studies often accept people cured this way.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
HIV
The human immunodeficiency virus, which weakens the immune system.
Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Autoimmune disease
A condition in which the immune system attacks the body’s own tissues, such as rheumatoid arthritis, lupus, psoriasis, type 1 diabetes or inflammatory bowel disease.
Immunotherapy studies often leave out active autoimmune disease, and some name exceptions, such as thyroid disease on replacement hormone. Check the exceptions this study lists.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Hypersensitivity
An allergy, or another reaction of the immune system, to a substance. “Hypersensitivity to the study drug” means a known allergic reaction to it — not every side effect a medicine can have.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Excipients
The other ingredients in a medicine besides the active drug, such as fillers, colours or preservatives.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Live vaccines
Vaccines made with a weakened form of the germ, such as measles–mumps–rubella (MMR), chickenpox and yellow fever. They can be risky when the immune system is weakened. Flu injections are not live; the nasal flu spray is.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Participants will receive Ivonescimab 20mg/kg of body weight via intravenous (IV) infusion on Days 1 of a 21-day treatment cycle until disease progression or unacceptable toxicity, or full 2 years of treatment, whichever occurs first.
Drug: Ivocizumab
Administered via intravenous (IV) infusion
Objective response rate (ORR)
ORR was defined as the proportion of patients who achieved either a complete response (CR) or a partial response (PR) based on the investigator's assessment (RECIST v1.1) that was confirmed by a subsequent scan ≥4 weeks after initial CR/PR.
Time frame: 12 weeks
Progression-free survival(PFS)
PFS was defined as the time between the enrollment and either RECIST1.1-defined progressive disease or death due to any cause, whichever occurred first.
Time frame: 1 year
Overall survival (OS)
OS was defined as the time between the enrollment and death due to any cause.
Time frame: 2 years
Patient-Reported Quality-of-Life(QoL)
Patient-Reported QoL was evaluated according to the European Organization for Research and Treatment of Cancer QOL Core Questionnaire 30 (EORTC QLQ-30) questionaire.
Time frame: 1 year
Plan to share: No
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