A Phase 1/2 interventional study of Retifanlimab and Gemcitabine in Soft Tissue Sarcoma, Sarcoma,Soft Tissue and Sarcoma, sponsored by Memorial Sloan Kettering Cancer Center. Recruiting at 1 site in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-09-08.
Sponsored by Memorial Sloan Kettering Cancer Center · Phase 1/2, Interventional, and Treatment
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Among 64 studies in Sarcoma by Memorial Sloan Kettering Cancer Center — 8 open to participants now, 21 under way, 1 of them phase 3. Sarcoma · Memorial Sloan Kettering Cancer Center.
Among the 64 studies in Sarcoma by Memorial Sloan Kettering Cancer Center, this one is the 5th largest by planned enrollment of the 43 interventional ones that give a count, is one of 4 that started in 2020, is one of 3 in phase 1/2, reaches primary completion later than 13 of the 20 other live ones, and was the 56th registered.
1,607 studies on the registry are indexed under Sarcoma; 367 are open to participants now.
Browse Sarcoma studies →8 of the 64 studies in Sarcoma by Memorial Sloan Kettering Cancer Center are open now, in 1 country. Recruiting first, the newest first:
Memorial Sloan Kettering Cancer Center · Sites in United States
Ages 18+
Memorial Sloan Kettering Cancer Center · Sites in United States
Ages 18+
Memorial Sloan Kettering Cancer Center · Sites in United States
Ages 18+
Memorial Sloan Kettering Cancer Center · Sites in United States
Ages 18+
Memorial Sloan Kettering Cancer Center · Sites in United States
Ages 12+
By country, each count listing its studies:
Of the 302 Sarcoma studies recruiting now, 192 (64%) set no upper age limit and 83 (27%) stop at 75 or younger; 92 take children under 18; 12 take healthy volunteers.
This study: 18 Years and older · all sexes · no healthy volunteers.
The full table on the hub →This tab as a report to print or save as PDF → With an account.
64 studies; the count open now beside each. This study's row is marked.
A study in two phases is counted once above. Listed by phase, each with its combined phases: Phase 1 11 · Phase 2 37 · Phase 3 3
First in 1990; this study’s year is marked. 4 started in 2020.
By drug class, each counting the studies that test any of its medicines:
This study's planned enrollment of 98 is above the median of 40 across 1,255 interventional studies indexed under Sarcoma.
Median enrollment 32 across the 43 interventional studies, 250 across the 9 observational. Of the 43 that completed or were terminated, 14 (33%) have results posted.
This tab as a report to print or save as PDF → With an account.
Memorial Sloan Kettering Cancer Center is the lead sponsor of 1,964 studies on the registry; 327 are open to participants now.
Of its 135 completed or terminated interventional studies of FDA-regulated products, 71 (53%) have results posted.
15 of the studies in Sarcoma by Memorial Sloan Kettering Cancer Center that are under way reach primary completion within a year, 1 of them phase 3. Phase 3 first, then by date:
| Study | Primary completion |
|---|---|
| NCT01223248Phase 3Memorial Sloan Kettering Cancer CenterRandomized Study Comparing Two Dosing Schedules for Hypofractionated Image-Guided Radiation Therapy | 2027-10 |
| NCT02307630Memorial Sloan Kettering Cancer CenterPET Imaging of Solid Tumors Using 124I-Humanized 3F8: A Pilot Study | 2026-11 |
| NCT00582647Memorial Sloan Kettering Cancer CenterCollection of Tissue & Blood From Patients w/ Benign & Malignant Tumors of the Soft Tissue & Gastrointestinal Tract | 2026-12 |
| NCT04288375Memorial Sloan Kettering Cancer CenterDose Reduction of Postoperative Radiation for Soft Tissue Sarcoma of the Arms and Legs | 2027-02 |
| NCT04332874Memorial Sloan Kettering Cancer CenterA Study of Pembrolizumab Plus Local Chemotherapy Using Isolated Limb Infusion (ILI) for Patients With Sarcoma in the Arm or Leg | 2027-04-01 |
Add all 15 to your calendar (.ics) → With an account.
Among the 64 studies in Sarcoma by Memorial Sloan Kettering Cancer Center, from their registry updates:
This tab as a report to print or save as PDF → With an account.
This study is being done to find out whether the study drug Retifanlimab, a monoclonal antibody against the PD-1 protein, combined with gemcitabine and docetaxel, is a safe and effective treatment for your disease. Gemcitabine and docetaxel are chemotherapy drugs that are commonly used to treat soft tissue sarcoma. Retifanlimab is an experimental drug that boosts the immune system's ability to fight cancer cells. The study researchers think that Retifanlimab may help gemcitabine and docetaxel work better against soft tissue sarcoma that is either locally advanced or has spread beyond its original location (metastasized), and it cannot be removed with surgery (unresectable).
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.
Diagnosis of or locally advanced and unresectable high-grade soft tissue sarcoma. Unresectable is defined as:
Presence of per v1.1
Patients with chronic (HBsAg-positive with undetectable or low HBV DNA and normal , or HBsAg-negative with anti-HBc-positive serology) and (completed curative antiviral treatment with HCV viral load below the limit of quantification) may be eligible
Table 2: Laboratory Parameters Required for Study Inclusion
Hematological (ANC): ≥ 1,500 /mcL : ≥ 75,000 / mcL : ≥ 9g/dL or ≥ 5.6 mmol/L
Renal Serum creatinine: ≤ 1.5 X (ULN) OR Measured or calculated : ≥ 60 mL/min for patient with creatinine levels > 1.5 X institutional ULN ( can also be used in place of creatinine orCrCl)
Hepatic Serum total : ≤ 1.5 X ULN OR Direct bilirubin ≤ ULN for patients with total bilirubin levels > 1.5 ULN except patients with Gilbert's disease (≤ 3x ULN) AST (SGOT) and ALT (SGPT): ≤ 2.5 X ULN OR ≤ 5 X ULN for patients with liver metastases
Exclusion Criteria:
Received any systemic therapy in the advanced or setting
Unstable or deteriorating cardiovascular disease within the previous 6 months, including:
Current use of medication, EXCEPT for the following:
Evidence of clinically significant immunosuppression such as the following:
History or evidence of symptomatic disease in past 2 years prior to enrollment.
Uncontrolled infection, as defined by one or more of the following:
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.
Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.
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.
A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.
Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.
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 standard rules for measuring tumours on CT or MRI scans, to tell whether a cancer is shrinking, stable or growing during treatment.
“Measurable disease per RECIST 1.1” usually means at least one tumour 10 mm or more at its longest on a CT scan, or a lymph node 15 mm or more across its short axis.
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.
Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).
Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.
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.
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.
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 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 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 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.
How quickly the kidneys clear creatinine, a waste product, from the blood. A study may estimate it from a blood test with age, weight and sex (often by the Cockcroft–Gault formula), or measure it using blood and urine collected over a set time. Given in mL/min; higher is better.
GFR (glomerular filtration rate) is how much blood the kidneys filter each minute. It is usually estimated from a blood test — eGFR, by formulas such as CKD-EPI or MDRD — and some studies ask for it to be measured directly instead. Usually given in mL/min/1.73 m².
Check the method, the units and the minimum the study states. A value of 90 or above is in the normal-or-high range, but kidney damage can show in other tests too.
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.
Neoadjuvant treatment is given before the main treatment (usually surgery), often to shrink a tumour. Adjuvant treatment is given after it, to lower the chance of the cancer coming back.
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.
Judged by the study doctor to matter for your health or for the study. It is a doctor’s decision, so ask the study team if you are unsure whether something counts.
A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.
Read whether the line is about a condition or about medicines, and which medicines and doses it means.
Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.
Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.
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.
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.
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.
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.
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
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.
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.
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.
Biopsy and archival tissue
A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.
Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.
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.
RECIST
The standard rules for measuring tumours on CT or MRI scans, to tell whether a cancer is shrinking, stable or growing during treatment.
“Measurable disease per RECIST 1.1” usually means at least one tumour 10 mm or more at its longest on a CT scan, or a lymph node 15 mm or more across its short axis.
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.
Childbearing potential
Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).
Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.
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.
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.
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.
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.
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.
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.
Creatinine clearance (CrCl)
How quickly the kidneys clear creatinine, a waste product, from the blood. A study may estimate it from a blood test with age, weight and sex (often by the Cockcroft–Gault formula), or measure it using blood and urine collected over a set time. Given in mL/min; higher is better.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
GFR and eGFR (kidney filtering)
GFR (glomerular filtration rate) is how much blood the kidneys filter each minute. It is usually estimated from a blood test — eGFR, by formulas such as CKD-EPI or MDRD — and some studies ask for it to be measured directly instead. Usually given in mL/min/1.73 m².
Check the method, the units and the minimum the study states. A value of 90 or above is in the normal-or-high range, but kidney damage can show in other tests too.
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.
Adjuvant and neoadjuvant
Neoadjuvant treatment is given before the main treatment (usually surgery), often to shrink a tumour. Adjuvant treatment is given after it, to lower the chance of the cancer coming back.
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.
Clinically significant
Judged by the study doctor to matter for your health or for the study. It is a doctor’s decision, so ask the study team if you are unsure whether something counts.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Immunosuppression
A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.
Read whether the line is about a condition or about medicines, and which medicines and doses it means.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Corticosteroids (steroids)
Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.
Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.
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.
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.
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.
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.
Investigational drug or device
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
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.
A safety run-in (dose level 0 in Table 1, below) will be performed and enroll 6 patients with advanced high-grade sarcoma who are treatment naïve. Cycle one will consist of gemcitabine plus docetaxel at the institution's standard dose and schedule: 900 mg/m2 of gemcitabine on days 1 and 8, and 75 mg/m2 of docetaxel on day 8. Intravenous Retifanlimab at a flat dose of 210 mg will be administered every 3 weeks starting on C2D1 for a total of two cycles (cycles 2 and 3). All visits are to be done +/-3 days of the scheduled timepoints.
Drug: Retifanlimab · Drug: Gemcitabine · Drug: Docetaxel
If ≤ 1 patient out of 6 at dose level 0 has a dose-limiting toxicity during this safety run-in, then the dose de-escalation portion of the protocol will commence. Dose Level 1: Retifanlimab (Day 1) - 375 mg (flat dose) Gemcitabine (Days 1 and 8) - 900 mg/m2 Docetaxel (Day 8) - 75 mg/m2 All visits are to be done +/-3 days of the scheduled timepoints.
Drug: Retifanlimab · Drug: Gemcitabine · Drug: Docetaxel
Dose Level -1: Retifanlimab (Day 1) - 375 mg (flat dose) Gemcitabine (Days 1 and 8) - 750 mg/m2 Docetaxel (Day 8) - 60 mg/m2 All visits are to be done +/-3 days of the scheduled timepoints.
Drug: Retifanlimab · Drug: Gemcitabine · Drug: Docetaxel
Dose Level -2: Retifanlimab (Day 1) - 375 mg (flat dose) Gemcitabine (Days 1 and 8) - 675 mg/m2 Docetaxel (Day 8) - 50 mg/m2 All visits are to be done +/-3 days of the scheduled timepoints.
Drug: Retifanlimab · Drug: Gemcitabine · Drug: Docetaxel
(UPS/MFS) After the RP2D is determined, 5 histology-specific cohorts (10 patients each), including UPS/MFS, LPS, LMS, vascular sarcoma, and other STS, will open for enrollment. Patients will be treated with the RP2D of gemcitabine/docetaxel (when administered in combination with Retifanlimab) for cycle 1, with Retifanlimab added on cycle 2 day 1 at a flat dose of 375 mg. Gemcitabine/docetaxel will continue for 5 additional cycles (total of 6 cycles), after which treatment with Retifanlimab will continue until unacceptable toxicity, disease progression, or the completion of 35 cycles (105 weeks) of Retifanlimab treatment. All visits are to be done +/-3 days of the scheduled timepoints.
Drug: Retifanlimab · Drug: Gemcitabine · Drug: Docetaxel
After the RP2D is determined, 5 histology-specific cohorts (10 patients each), including UPS/MFS, LPS, LMS, vascular sarcoma, and other STS, will open for enrollment. Patients will be treated with the RP2D of gemcitabine/docetaxel (when administered in combination with Retifanlimab) for cycle 1, with Retifanlimab added on cycle 2 day 1 at a flat dose of 375 mg. Gemcitabine/docetaxel will continue for 5 additional cycles (total of 6 cycles), after which treatment with Retifanlimab will continue until unacceptable toxicity, disease progression, or the completion of 35 cycles (105 weeks) of Retifanlimab treatment. All visits are to be done +/-3 days of the scheduled timepoints.
Drug: Retifanlimab · Drug: Gemcitabine · Drug: Docetaxel
After the RP2D is determined, 5 histology-specific cohorts (10 patients each), including UPS/MFS, LPS, LMS, vascular sarcoma, and other STS, will open for enrollment. Patients will be treated with the RP2D of gemcitabine/docetaxel (when administered in combination with Retifanlimab) for cycle 1, with Retifanlimab added on cycle 2 day 1 at a flat dose of 375 mg. Gemcitabine/docetaxel will continue for 5 additional cycles (total of 6 cycles), after which treatment with Retifanlimab will continue until unacceptable toxicity, disease progression, or the completion of 35 cycles (105 weeks) of Retifanlimab treatment. All visits are to be done +/-3 days of the scheduled timepoints.
Drug: Retifanlimab · Drug: Gemcitabine · Drug: Docetaxel
After the RP2D is determined, 5 histology-specific cohorts (10 patients each), including UPS/MFS, LPS, LMS, vascular sarcoma, and other STS, will open for enrollment. Patients will be treated with the RP2D of gemcitabine/docetaxel (when administered in combination with Retifanlimab) for cycle 1, with Retifanlimab added on cycle 2 day 1 at a flat dose of 375 mg. Gemcitabine/docetaxel will continue for 5 additional cycles (total of 6 cycles), after which treatment with Retifanlimab will continue until unacceptable toxicity, disease progression, or the completion of 35 cycles (105 weeks) of Retifanlimab treatment. All visits are to be done +/-3 days of the scheduled timepoints.
Drug: Retifanlimab · Drug: Gemcitabine · Drug: Docetaxel
After the RP2D is determined, 5 histology-specific cohorts (10 patients each), including UPS/MFS, LPS, LMS, vascular sarcoma, and other STS, will open for enrollment. Patients will be treated with the RP2D of gemcitabine/docetaxel (when administered in combination with Retifanlimab) for cycle 1, with Retifanlimab added on cycle 2 day 1 at a flat dose of 375 mg. Gemcitabine/docetaxel will continue for 5 additional cycles (total of 6 cycles), after which treatment with Retifanlimab will continue until unacceptable toxicity, disease progression, or the completion of 35 cycles (105 weeks) of Retifanlimab treatment. All visits are to be done +/-3 days of the scheduled timepoints.
Drug: Retifanlimab · Drug: Gemcitabine · Drug: Docetaxel
Participants will have advanced sarcoma who have progressed on prior treatment and have an immune-enriched/non-fibrotic TME
Drug: Retifanlimab
Phase I: Dose Level 1 - 375 mg (flat dose) Dose Level 0 - 210 mg (flat dose) Dose Level -1 - 375 mg (flat dose) Dose Level -2 - 375 mg (flat dose) Phase II: 375 mg (flat dose)
Also known as: INCMGA00012
Phase I: Dose Level 1 - 900 mg/m2 Dose Level 0 - 900 mg/m2 Dose Level -1 - 750 mg/m2 Dose Level -2 - 675 mg/m2 The dose level with ≤ 1 DLT seen per patients will be declared the RP2D. Phase II: Participants will be treated with the RP2D of gemcitabine/docetaxel (when administered in combination with Retifanlimab ) for cycle 1, with Retifanlimab added on cycle 2 day 1 at a flat dose of 375mg. Gemcitabine/docetaxel will continue for 5 additional cycles (total of 6 cycles),
Phase I: Dose Level 1 - 75 mg/m2 Dose Level 0 - 75 mg/m2 Dose Level -1 - 60 mg/m2 Dose Level -2 - 50 mg/m2 The dose level with ≤ 1 DLT seen per patients will be declared the RP2D. Phase II: Participants will be treated with the RP2D of gemcitabine/docetaxel (when administered in combination with Retifanlimab) for cycle 1, with Retifanlimab added on cycle 2 day 1 at a flat dose of 375mg. Gemcitabine/docetaxel will continue for 5 additional cycles (total of 6 cycles),
Phase II: proportion of patients that are progression-free at 24 weeks by RECIST v1.1
The primary objective of the phase II portion of this study is to determine the proportion of patients that are progression-free at 24 weeks by RECIST v1.1. Progressive disease is declared when there is an increase in sum of target disease ≥ 20%, stable disease when the change is \> -30% and ≤ 20%, partial response when there is a decrease in sum of target disease ≥ 30%, and complete response when all lesions have disappeared or all lesions have disappeared and all nodal disease is \< 10 mm each.
Time frame: 24 weeks
Plan to share: Yes — Memorial Sloan Kettering Cancer Center supports the international committee of medical journal editors (ICMJE) and the ethical obligation of responsible sharing of data from clinical trials. The protocol summary, a statistical summary, and informed consent form will be made available on clinicaltrials.gov when required as a condition of Federal awards, other agreements supporting the research and/or as otherwise required. Requests for deidentified individual participant data can be made beginning 12 months after publication and for up to 36 months post publication. Deidentified individual participant data reported in the manuscript will be shared under the terms of a Data Use Agreement and may only be used for approved proposals. Requests may be made to: crdatashare@mskcc.org.
Started Sep 2020 (actual). Primary completion is estimated for Sep 2027, 84 months after the start.
Of 57 non-industry phase 1/2 interventional studies under Sarcoma, half reached primary completion within 71 months of starting (the median), counting those still running; a quarter within 51 and three quarters within 117. This study's planned 84 months is above that.
Counting every sponsor, half of 101 studies reached it within 62 months; a quarter within 45 and three quarters within 106.
How these figures are worked out, and which studies are left out of them.
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Studies of the drug tested here: Retifanlimab
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