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Recommendation by the Data and Safety Monitoring Board due to efficacy concerns
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| Name | Class |
|---|---|
| Massachusetts General Hospital | OTHER |
| Beth Israel Deaconess Medical Center | OTHER |
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This research study is a Phase II clinical trial. Phase II clinical trials test the effectiveness of an investigational intervention to learn whether the intervention, in this case, the GVAX vaccine, works in preventing MDS, CMML, or AML from relapsing after allogeneic stem cell transplantation. "Investigational" means that the vaccine is still being studied and that research doctors are trying to find out more about it-such as the side effects it may cause, and if the vaccine is effective. It also means that the FDA has not yet approved the vaccine for these types of cancer.
Participants are being asked to participate in this trial because they have advanced myelodysplastic syndrome (MDS), Chronic Myelomonocytic Leukemia (CMML), or acute myeloid leukemia (AML). Investigators have determined that participants are a candidate for an allogeneic stem cell transplant as treatment for MDS/CMML/AML. Allogeneic stem cell transplantation is a standard treatment for MDS/CMML/AML. It can be effective because the cells from the donor (also known as the graft) could form a new immune system that can fight against the MDS/CMML/AML cells in the body. This is also known as the "graft-versus-leukemia" or "GVL" effect. In patients with advanced MDS, CMML, or AML that is not in remission at the time of transplantation, relapse remains the number one cause of transplant failure. As such, this clinical trial is designed to assess whether adding a leukemia vaccine early after transplantation could stimulate donor cells to fight cancer and improve transplant outcomes.
In recent years, researchers at the Dana-Farber Cancer Institute have discovered that GVAX, a vaccine made from the patient's own cancer cells engineered to produce a protein called GM-CSF, can be effective in stimulating a powerful immune response specific to that cancer. GM-CSF is a naturally occurring hormone in the body that helps the immune system fight infections and diseases. The GVAX vaccine is made in the laboratory by using a virus (called adenovirus, which has been modified so it cannot cause illness) to insert the GM-CSF gene into tumor cells. The cells are then irradiated, which prevents them from being able to grow, before being administered to patients in a series of vaccinations.
A previous phase I clinical trial using this GVAX vaccine in patients with MDS/AML after allogeneic transplantation demonstrated that the GVAX vaccine is safe, and the survival outcomes were encouraging. The current randomized phase II study will investigate this vaccine further and gather more information to assess the activity.
Participants in this study will be "randomized" to receive either GVAX vaccination or placebo (a saline solution) vaccination. Randomization means participants are put into a group by chance. It is like flipping a coin. There is a 50% chance they will receive the GVAX vaccine and a 50% chance they will receive placebo. Neither participants nor investigators will know which participants will be receiving.
The primary goal of this trial is to assess if there will be a difference in the percentage of cancer free survivors in the vaccinated vs. placebo group at 18 months after transplant.
This trial can be divided into four phases: 1) Pre-Transplant; 2) Allogeneic Transplant; 3) Vaccination; and 4) Post-Vaccination Follow-Up.
Phase 1: Pre-Transplant After signing the consent form participants will undergo some screening tests to find out if they can be in this research study. These tests include a medical history, physical examination, performance status, bone marrow aspirate and biopsy, blood tests, tuberculosis skin test, HLA antibody test, pregnancy test, urine test, ECHO, MUGA or RVG to measure heart function, chest x-ray, pulmonary function tests and dental consult. If these tests show that participants are eligible to participate in the research study, they will be enrolled on the trial and randomized to receive either the GVAX vaccine or the placebo vaccine after their transplant. After enrolling in the study participants will undergo additional research procedures including a blood draw and leukemia cell collection.
Phase 2: Allogeneic Transplant The transplant phase of the study will begin when participants are admitted to the hospital to receive the chemotherapy and stem cell transplant. In the week before participants receive the stem cells, they will be treated with chemotherapy. The combination of chemotherapy given before the donor cells are infused is called the conditioning regimen. The chemotherapy conditioning is given to suppress the immune system so that the donor blood stem cells will not be rejected after transplantation. The chemotherapy may also reduce the number of MDS/CMML/AML cancer cells in participants' body.
In this study the condition regimen will include 2 chemotherapy drugs: busulfan (twice a day or four times a day for 4 days) and fludarabine (once daily for 4 days). Depending on participants' age and other clinical factors, the transplant doctor will decide whether they receive a higher or lower dose of busulfan. Between 1-2 days after participants finish the chemotherapy, they will receive the blood stem cell or marrow from the donor. This is given as a transfusion through a central intravenous line (IV usually placed in the chest or arm).
Just prior to and immediately following the infusion of stem cells, participants receive medications to help prevent graft-versus-host disease (GVHD), a common complication of transplant where the donor's immune cells attack the body. The medications participants receive to prevent GVHD will include Tacrolimus and Methotrexate.
Participants will be closely monitored as per standard transplant care after their stem cell transplant. If participants received the higher dose chemotherapy conditioning, they will stay in the hospital for an average of about 3-4 weeks. If they received the lower dose conditioning transplant, their hospital admission for transplant may be shorter depending on clinical condition.
After participants' stem cell infusion, they may receive daily injections of a medication called rhGM-CSF, or Leukine, to help their white blood cells to recover faster. participants may receive this medication for up to 2 weeks. They will also be given antiviral and antibiotic medications to prevent infections as per standard practice after transplantation.
Between 20 to 30 days after stem cell infusion participants will have a physical examination, routine blood work and a blood draw for future immune tests.
Between 30 to 60 days after transplant participants will return to clinic for a visit that will include a physical examination, routine blood work, a blood draw for future immune tests and a bone marrow biopsy and aspirate to assess their MDS/CMML/AML.
Phase 3: Vaccination Participants may begin receiving the GVAX or placebo vaccination between 30 to 60 days following their transplant, provided their blood counts have recovered, and do not have any severe side effects from the transplant. If by day 61, participants' blood counts have not recovered sufficiently, or if they have developed side effects or GVHD from the transplant, and do not meet the conditions necessary to start the vaccination portion of this trial, then they will not receive any vaccinations and will be removed from the study. Participants will continue to receive standard post transplant care.
If participants are able to begin the vaccinations between day 30-60 after their transplant, the GVAX or placebo vaccine will be administered as an injection under and into the skin on the forearms or thighs, 6 times over a period of 9 weeks. The first 3 vaccinations will be administered once a week for 3 consecutive weeks and the last 3 vaccines will be given once every other week over 6 weeks. All vaccinations will be given either as an inpatient or outpatient in the clinic. On the days participants receive vaccination, they may have to wait several hours in the clinic while the laboratory makes final preparations on the vaccine/placebo.
During this 9 week period of vaccination, participants will continue to be followed by their doctor at least on a weekly basis to monitor for any transplant or possible vaccine side effects. Two to three days after the first and fifth vaccinations, investigators would encourage (but do not require) participants to return to the clinic to have a skin biopsy of the GVAX/Placebo vaccination site, especially if there is redness or swelling in the area. This will allow researchers to assess whether the new immune system is reacting to the injected leukemia cells under the microscope.
During the course of the study, investigators will also be drawing participants' blood on a regular basis to evaluate immune cells and the effect that the vaccinations may have on their new immune system.
If participants tolerate the vaccinations well, and do not have GVHD or any severe side effects from the transplant or the vaccinations, they will complete a total of 6 vaccines. However, vaccination may be terminated earlier if they develop any side effects (from transplant or vaccination) that do not resolve/improve after 2 weeks, if they develop GVHD that requires steroid treatment, or if their MDS/CMML/AML relapses and need to receive more treatment.
Phase 4: Post Vaccination Follow-Up About 1 month after the last vaccination, participants will have a physical examination, blood work, immune bloods and bone marrow biopsy and aspirate to assess the status of Their disease.
Participants will be followed at an appointment 6, 9, 12 and 18 months following their transplant with physical examinations, blood work and immune bloods. At the 12 and 18 month visit they will have a bone marrow biopsy and aspirate to assess the status of their AMLCMML//MDS.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| GVAX | Active Comparator | GVAX vaccine Participants in the GVAX vaccine arm will undergo a conditioning regimen with busulfan and fludarabine prior to allogeneic hematopoietic stem cell transplant. Immediately after allogeneic hematopoietic stem cell transplant participants will start tacrolimus and methotrexate to prevent GVHD. GVAX arm participants meeting criteria to begin vaccinations will be administered the GVAX vaccine at established study time points. |
|
| Placebo | Placebo Comparator | Placebo vaccine Participants in the Placebo vaccine arm will undergo a conditioning regimen with busulfan and fludarabine prior to allogeneic hematopoietic stem cell transplant. Immediately after allogeneic hematopoietic stem cell transplant participants will start tacrolimus and methotrexate to prevent GVHD. Placebo vaccine arm participants meeting criteria to begin vaccinations will be administered the placebo vaccine at established study time points. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| GVAX | Biological | GVAX or placebo vaccination will begin between 30 to 60 days following participant's transplant, provided participant meets vaccination initiation criteria. Only participants in the GVAX arm will receive GVAX vaccine. |
| Measure | Description | Time Frame |
|---|---|---|
| 18-Month Progression Free Survival | Progression-Free Survival (PFS) at 18 months after randomization. Progression-free survival is defined as time from randomization to progression of disease or death whichever occurs first. Patients with relapse/progressive disease who re-enter remission after vaccination or upon withdrawal of immune suppression alone will not be considered as having disease progression. The primary analysis will be performed using the modified intention-to-treat (ITT) principle, i.e., all transplanted and eligible patients who receive at least one vaccination will be included in the analysis according to the treatment arm they are randomized to. Patients who have not progressed and are alive are censored at the date the patient is known to be progression-free. Progression is defined by either morphological evidence of acute leukemia or MDS consistent with pre-transplant features is defined by either morphological evidence of acute leukemia or MDS consistent with pre-transplant features | 18 months |
| Measure | Description | Time Frame |
|---|---|---|
| Percentage of Participants Experiencing Grade 3 or Higher Non-Hematologic or Grade 4 or Higher Hematologic Adverse Events | Percentage of participants experiencing grade 3 or higher non-hematologic or grade or higher hematologic adverse events evaluated by CTCAE v5.0. | 18 Months |
| Percentage of Participants Experiencing Acute and Chronic Graft-Versus-Host Disease |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Vincent Ho, MD | Dana-Farber Cancer Institute | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Massachusetts General Hospital | Boston | Massachusetts | 02114 | United States | ||
| Brigham and Women's Hospital |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 34807983 | Derived | Ho VT, Kim HT, Brock J, Galinsky I, Daley H, Reynolds C, Weber A, Pozdnyakova O, Severgnini M, Nikiforow S, Cutler C, Koreth J, Alyea EP, Antin JH, Gooptu M, Romee R, Shapiro R, Chen YB, Rosenblatt J, Avigan D, Hodi FS, Dranoff G, Wu CJ, Ritz J, Soiffer RJ. GM-CSF secreting leukemia cell vaccination for MDS/AML after allogeneic HSCT: a randomized, double-blinded, phase 2 trial. Blood Adv. 2022 Apr 12;6(7):2183-2194. doi: 10.1182/bloodadvances.2021006255. |
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| ID | Title | Description |
|---|---|---|
| FG000 | GVAX | GVAX vaccine Participants in the GVAX vaccine arm will undergo a conditioning regimen with busulfan and fludarabine prior to allogeneic hematopoietic stem cell transplant. Immediately after allogeneic hematopoietic stem cell transplant participants will start tacrolimus and methotrexate to prevent GVHD. Conditioning regimen: In this study the condition regimen will include 2 chemotherapy drugs: busulfan (twice a day or four times a day for 4 days) and fludarabine (once daily for 4 days). Depending on participant's age, and other clinical factors, the transplant doctor will decide whether the participant will receive a higher or lower dose of busulfan. Allogeneic Hematopoietic Stem Cell Transplant: Between 1-2 days after participant finishes the chemotherapy, the participant will receive the blood stem cell or marrow from their donor. GVHD Prevention:
GVAX: GVAX vaccination will begin between 30 to 45 days following participant's transplant, provided participant meets vaccination initiation criteria. |
| Title | Milestones | Reasons Not Completed | |||||
|---|---|---|---|---|---|---|---|
| Overall Study |
|
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | Oct 21, 2020 |
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| Placebo Vaccine | Biological | GVAX or placebo vaccination will begin between 30 to 60 days following participant's transplant, provided participant meets vaccination initiation criteria. Only participants in the placebo arm will receive placebo vaccine. |
|
| Allogeneic Hematopoietic Stem Cell Transplant | Procedure | Between 1-2 days after participant finishes the chemotherapy, the participant will receive the blood stem cell or marrow from their donor. This is given as a transfusion through a central intravenous line (IV usually placed in the chest or arm). |
|
| Busulfan | Drug | In this study the condition regimen will include 2 chemotherapy drugs: busulfan (twice a day or four times a day for 5 days) and fludarabine (once daily for 4 days). Depending on participant's age, and other clinical factors, the transplant doctor will decide whether the participant will receive a higher or lower dose of busulfan. |
|
| Fludarabine | Drug | In this study the condition regimen will include 2 chemotherapy drugs: busulfan (twice a day or four times a day for 5 days) and fludarabine (once daily for 4 days). Depending on participant's age, and other clinical factors, the transplant doctor will decide whether the participant will receive a higher or lower dose of busulfan. |
|
| Tacrolimus | Drug | Just prior to and immediately following the infusion of stem cells, the participant will receive medications to help prevent graft-versus-host disease (GVHD), a common complication of transplant where the donor's immune cells attack the recipient's body. The medications the participant will receive to prevent GVHD will include:
|
|
| Methotrexate | Drug | Just prior to and immediately following the infusion of stem cells, the participant will receive medications to help prevent graft-versus-host disease (GVHD), a common complication of transplant where the donor's immune cells attack the recipient's body. The medications the participant will receive to prevent GVHD will include:
|
|
Percentage of participants with acute and chronic graft-versus-host disease (GVHD). The time frame for the acute incidence is 1 year and for chronic is 3 years.Grading of aGVHD was derived by consensus grading (Przepiorka 1995). The aGVHD algorithm calculates the grade based on the organ (skin, GI and liver) stage and etiology/biopsy reported. Skin staging: Stage 1. <25% rash; 2. 25-50%; 3. >50%; 4. generalized erythroderma with bullae. GI staging: Stage 1. Diarrhea>500ml/d or persistent nausea; 2. >1000ml/d; 3. >1500ml/d; 4. Large volume diarrhea and severe abdominal pain +- ileus. Liver staging: Stage 1. bilirubin 2-3mg/dl; 2. bili 3-6 mg/dl; 3. bili 6-15 mg/dl; 4. bili>15mg/dl. Grade 4 is the worst outcome. Chronic GVHD is classified using the NIH Consensus Criteria. 8 organs will be scored on a 0-3 scale to reflect degree of cGVHD involvement 0 being none, 1 mild, 2 moderate 3 severe. Liver and pulmonary function test results will also be recorded. Severe is the worst outcome |
| 1 and 3 years |
| Percentage of Participants With Relapse and/or Non-Relapse Mortality | Percentage of participants with relapse and/or non-relapse mortality at 18 months from registration. | 18 Months |
| 18-Month Overall Survival | Assessment of overall survival at 18 months. Participants alive at last contact are censored at last contact. | 18 Month |
| Boston |
| Massachusetts |
| 02115 |
| United States |
| Dana-Farber Cancer Institute | Boston | Massachusetts | 02115 | United States |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02215 | United States |
| FG001 | Placebo | Placebo vaccine Participants in the placebo vaccine arm will undergo a conditioning regimen with busulfan and fludarabine prior to allogeneic hematopoietic stem cell transplant. Immediately after allogeneic hematopoietic stem cell transplant participants will start tacrolimus and methotrexate to prevent GVHD. Conditioning regimen: In this study the condition regimen will include 2 chemotherapy drugs: busulfan (twice a day or four times a day for 4 days) and fludarabine (once daily for 4 days). Depending on participant's age, and other clinical factors, the transplant doctor will decide whether the participant will receive a higher or lower dose of busulfan. Allogeneic Hematopoietic Stem Cell Transplant: Between 1-2 days after participant finishes the chemotherapy, the participant will receive the blood stem cell or marrow from their donor. GVHD Prevention:
Placebo: Placebo vaccination will begin between 30 to 45 days following participant's transplant, provided participant meets vaccination initiation criteria. |
| COMPLETED |
|
| NOT COMPLETED |
|
Baseline Analysis Population only includes participants who received at least 1 GVAX or placebo vaccine
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| ID | Title | Description |
|---|---|---|
| BG000 | GVAX | GVAX vaccine Participants in the GVAX vaccine arm will undergo a conditioning regimen with busulfan and fludarabine prior to allogeneic hematopoietic stem cell transplant. Immediately after allogeneic hematopoietic stem cell transplant participants will start tacrolimus and methotrexate to prevent GVHD. Conditioning regimen: In this study the condition regimen will include 2 chemotherapy drugs: busulfan (twice a day or four times a day for 4 days) and fludarabine (once daily for 4 days). Depending on participant's age, and other clinical factors, the transplant doctor will decide whether the participant will receive a higher or lower dose of busulfan. Allogeneic Hematopoietic Stem Cell Transplant: Between 1-2 days after participant finishes the chemotherapy, the participant will receive the blood stem cell or marrow from their donor. GVHD Prevention:
GVAX: GVAX vaccination will begin between 30 to 45 days following participant's transplant, provided participant meets vaccination initiation criteria. |
| BG001 | Placebo | Placebo Participants in the Placebo vaccine arm will undergo a conditioning regimen with busulfan and fludarabine prior to allogeneic hematopoietic stem cell transplant. Immediately after allogeneic hematopoietic stem cell transplant participants will start tacrolimus and methotrexate to prevent GVHD. Conditioning regimen: In this study the condition regimen will include 2 chemotherapy drugs: busulfan (twice a day or four times a day for 4 days) and fludarabine (once daily for 4 days). Depending on participant's age, and other clinical factors, the transplant doctor will decide whether the participant will receive a higher or lower dose of busulfan. Allogeneic Hematopoietic Stem Cell Transplant: Between 1-2 days after participant finishes the chemotherapy, the participant will receive the blood stem cell or marrow from their donor. GVHD Prevention:
Placebo: Placebo vaccination will begin between 30 to 45 days following participant's transplant, provided participant meets vaccination initiation criteria. |
| BG002 | Total | Total of all reporting groups |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean | Full Range | years |
| |||||||||||||||
| Sex: Female, Male | Count of Participants | Participants |
| ||||||||||||||||
| Race (NIH/OMB) | Count of Participants | Participants |
| ||||||||||||||||
| Region of Enrollment | Number | participants |
| ||||||||||||||||
| Donor Age | Median | Full Range | years |
| |||||||||||||||
| Eastern Cooperative Oncology Group (ECOG) Performance Status | ECOG Score at baseline was not available for one participant | Count of Participants | Participants |
| |||||||||||||||
| Donor Sex | Number | participants |
| ||||||||||||||||
| Male Recipient With female Donor | Number | participants |
| ||||||||||||||||
| Disease Transplanted | Count of Participants | Participants |
| ||||||||||||||||
| Acute Myeloid Leukemia Disease Status At Transplantation | Only patients with AML analyzed. | Count of Participants | Participants |
| |||||||||||||||
| AML European Leukemia Net (ELN) Risk Stratification | System used to provide prognostic information in AML based on identified genetic abnormalities. Scale is from favorable to intermediate to adverse. | Only patients with AML analyzed | Count of Participants | Participants |
| ||||||||||||||
| Myelodysplastic Syndrome Type at Transplant | Only patients with MDS analyzed | Count of Participants | Participants |
| |||||||||||||||
| MDS Revised International Prognostic Scoring System Risk at Transplant | System used to assess the prognosis of patients with myelodysplastic syndromes. With scale of Very good to Very Poor. | Only patients with MDS analyzed | Count of Participants | Participants |
| ||||||||||||||
| MDS TP53 Mutated | Tumor protein 53 TP53 defects influence adversely the MDS clinical outcome and the treatment response rate. Subjects were evaluated for mutations in this gene to help determine prognosis | Only patients with MDS analyzed | Count of Participants | Participants |
| ||||||||||||||
| Cytoreductive therapy before HSCT | Count of Participants | Participants |
| ||||||||||||||||
| Marrow Blasts at enrollment | Median | Full Range | Percent of participants |
| |||||||||||||||
| Donor Type | Count of Participants | Participants |
| ||||||||||||||||
| Cytomegalovirus (CMV) Serology Status | Cytomegalovirus infection is a risk in this population. Prior exposure of the stem cell donor and recipient is important in determining prognosis | Count of Participants | Participants |
| |||||||||||||||
| Conditioning Regimen | Count of Participants | Participants |
| ||||||||||||||||
| Graft Source | Count of Participants | Participants |
|
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | 18-Month Progression Free Survival | Progression-Free Survival (PFS) at 18 months after randomization. Progression-free survival is defined as time from randomization to progression of disease or death whichever occurs first. Patients with relapse/progressive disease who re-enter remission after vaccination or upon withdrawal of immune suppression alone will not be considered as having disease progression. The primary analysis will be performed using the modified intention-to-treat (ITT) principle, i.e., all transplanted and eligible patients who receive at least one vaccination will be included in the analysis according to the treatment arm they are randomized to. Patients who have not progressed and are alive are censored at the date the patient is known to be progression-free. Progression is defined by either morphological evidence of acute leukemia or MDS consistent with pre-transplant features is defined by either morphological evidence of acute leukemia or MDS consistent with pre-transplant features | Posted | Number | 95% Confidence Interval | Percentage | 18 months |
|
|
| |||||||||||||||||||||||||||||
| Secondary | Percentage of Participants Experiencing Grade 3 or Higher Non-Hematologic or Grade 4 or Higher Hematologic Adverse Events | Percentage of participants experiencing grade 3 or higher non-hematologic or grade or higher hematologic adverse events evaluated by CTCAE v5.0. | Posted | Number | Percentage of participants | 18 Months |
| ||||||||||||||||||||||||||||||||
| Secondary | Percentage of Participants Experiencing Acute and Chronic Graft-Versus-Host Disease | Percentage of participants with acute and chronic graft-versus-host disease (GVHD). The time frame for the acute incidence is 1 year and for chronic is 3 years.Grading of aGVHD was derived by consensus grading (Przepiorka 1995). The aGVHD algorithm calculates the grade based on the organ (skin, GI and liver) stage and etiology/biopsy reported. Skin staging: Stage 1. <25% rash; 2. 25-50%; 3. >50%; 4. generalized erythroderma with bullae. GI staging: Stage 1. Diarrhea>500ml/d or persistent nausea; 2. >1000ml/d; 3. >1500ml/d; 4. Large volume diarrhea and severe abdominal pain +- ileus. Liver staging: Stage 1. bilirubin 2-3mg/dl; 2. bili 3-6 mg/dl; 3. bili 6-15 mg/dl; 4. bili>15mg/dl. Grade 4 is the worst outcome. Chronic GVHD is classified using the NIH Consensus Criteria. 8 organs will be scored on a 0-3 scale to reflect degree of cGVHD involvement 0 being none, 1 mild, 2 moderate 3 severe. Liver and pulmonary function test results will also be recorded. Severe is the worst outcome | Posted | Number | Percentage of participants | 1 and 3 years |
| ||||||||||||||||||||||||||||||||
| Secondary | Percentage of Participants With Relapse and/or Non-Relapse Mortality | Percentage of participants with relapse and/or non-relapse mortality at 18 months from registration. | Posted | Number | Percentage of participants | 18 Months |
| ||||||||||||||||||||||||||||||||
| Secondary | 18-Month Overall Survival | Assessment of overall survival at 18 months. Participants alive at last contact are censored at last contact. | Posted | Number | Percentage of participants | 18 Month |
|
18 Months
Patients were monitored for local and systemic adverse reactions with weekly to twice weekly examinations and laboratory studies during the study period. Acute graft-versus host disease (GVHD) was graded according to Keystone criteria.19 Non-GVHD adverse events were reported according to the National Cancer Institute Common Toxicity Criteria v.4 guidelines.
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | GVAX | GVAX vaccine Participants in the GVAX vaccine arm will undergo a conditioning regimen with busulfan and fludarabine prior to allogeneic hematopoietic stem cell transplant. Immediately after allogeneic hematopoietic stem cell transplant participants will start tacrolimus and methotrexate to prevent GVHD. Conditioning regimen: In this study the condition regimen will include 2 chemotherapy drugs: busulfan (twice a day or four times a day for 4 days) and fludarabine (once daily for 4 days). Depending on participant's age, and other clinical factors, the transplant doctor will decide whether the participant will receive a higher or lower dose of busulfan. Allogeneic Hematopoietic Stem Cell Transplant: Between 1-2 days after participant finishes the chemotherapy, the participant will receive the blood stem cell or marrow from their donor. GVHD Prevention:
GVAX: GVAX vaccination will begin between 30 to 45 days following participant's transplant, provided participant meets vaccination initiation criteria. | 14 | 30 | 1 | 30 | 10 | 30 |
| EG001 | Placebo | Placebo vaccine Participants in the placebo vaccine arm will undergo a conditioning regimen with busulfan and fludarabine prior to allogeneic hematopoietic stem cell transplant. Immediately after allogeneic hematopoietic stem cell transplant participants will start tacrolimus and methotrexate to prevent GVHD. Conditioning regimen: In this study the condition regimen will include 2 chemotherapy drugs: busulfan (twice a day or four times a day for 4 days) and fludarabine (once daily for 4 days). Depending on participant's age, and other clinical factors, the transplant doctor will decide whether the participant will receive a higher or lower dose of busulfan. Allogeneic Hematopoietic Stem Cell Transplant: Between 1-2 days after participant finishes the chemotherapy, the participant will receive the blood stem cell or marrow from their donor. GVHD Prevention:
Placebo: Placebo vaccination will begin between 30 to 45 days following participant's transplant, provided participant meets vaccination initiation criteria. | 13 | 27 | 2 | 27 | 4 | 27 |
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Arthralgia | Musculoskeletal and connective tissue disorders | CTCAE (4.0) | Systematic Assessment |
| |
| Hypoalbuminemia | Metabolism and nutrition disorders | CTCAE (4.0) | Systematic Assessment |
| |
| Blood bilirubin increased | Investigations | CTCAE (4.0) | Systematic Assessment |
| |
| Alanine aminotransferase increased | Investigations | CTCAE (4.0) | Systematic Assessment |
|
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Erythema Multiforme | Skin and subcutaneous tissue disorders | CTCAE (4.0) | Systematic Assessment |
| |
| Fatigue | General disorders | CTCAE (4.0) | Systematic Assessment |
| |
| Skin Induration | Skin and subcutaneous tissue disorders | CTCAE (4.0) | Systematic Assessment |
| |
| Pruritus | Skin and subcutaneous tissue disorders | CTCAE (4.0) | Systematic Assessment |
| |
| Rash acneiform | Skin and subcutaneous tissue disorders | CTCAE (4.0) | Systematic Assessment |
| |
| Ventricular tachycardia | Cardiac disorders | CTCAE (4.0) | Systematic Assessment |
|
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Dr. Vincent Ho | Dana-Farber Cancer Institute | 617-632-5938 | Vincent_Ho@dfci.harvard.edu |
| Dec 3, 2021 |
| Prot_SAP_000.pdf |
| ID | Term |
|---|---|
| D009190 | Myelodysplastic Syndromes |
| D015470 | Leukemia, Myeloid, Acute |
| D015477 | Leukemia, Myelomonocytic, Chronic |
| ID | Term |
|---|---|
| D001855 | Bone Marrow Diseases |
| D006402 | Hematologic Diseases |
| D006425 | Hemic and Lymphatic Diseases |
| D007951 | Leukemia, Myeloid |
| D007938 | Leukemia |
| D009370 | Neoplasms by Histologic Type |
| D009369 | Neoplasms |
| D054437 | Myelodysplastic-Myeloproliferative Diseases |
| D002908 | Chronic Disease |
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
Not provided
Not provided
| ID | Term |
|---|---|
| D002066 | Busulfan |
| C024352 | fludarabine |
| D016559 | Tacrolimus |
| D008727 | Methotrexate |
| ID | Term |
|---|---|
| D002072 | Butylene Glycols |
| D006018 | Glycols |
| D000438 | Alcohols |
| D009930 | Organic Chemicals |
| D008698 | Mesylates |
| D000476 | Alkanesulfonates |
| D017738 | Alkanesulfonic Acids |
| D000473 | Alkanes |
| D006839 | Hydrocarbons, Acyclic |
| D006838 | Hydrocarbons |
| D013451 | Sulfonic Acids |
| D013456 | Sulfur Acids |
| D013457 | Sulfur Compounds |
| D018942 | Macrolides |
| D007783 | Lactones |
| D000630 | Aminopterin |
| D011622 | Pterins |
| D011621 | Pteridines |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |
Not provided
Not provided
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| Male Donor |
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Placebo vaccine Participants in the placebo vaccine arm will undergo a conditioning regimen with busulfan and fludarabine prior to allogeneic hematopoietic stem cell transplant. Immediately after allogeneic hematopoietic stem cell transplant participants will start tacrolimus and methotrexate to prevent GVHD. Conditioning regimen: In this study the condition regimen will include 2 chemotherapy drugs: busulfan (twice a day or four times a day for 4 days) and fludarabine (once daily for 4 days). Depending on participant's age, and other clinical factors, the transplant doctor will decide whether the participant will receive a higher or lower dose of busulfan. Allogeneic Hematopoietic Stem Cell Transplant: Between 1-2 days after participant finishes the chemotherapy, the participant will receive the blood stem cell or marrow from their donor. GVHD Prevention:
Placebo: Placebo vaccination will begin between 30 to 45 days following participant's transplant, provided participant meets vaccination initiation criteria. |
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| OG001 | Placebo | Placebo vaccine Participants in the placebo vaccine arm will undergo a conditioning regimen with busulfan and fludarabine prior to allogeneic hematopoietic stem cell transplant. Immediately after allogeneic hematopoietic stem cell transplant participants will start tacrolimus and methotrexate to prevent GVHD. Conditioning regimen: In this study the condition regimen will include 2 chemotherapy drugs: busulfan (twice a day or four times a day for 4 days) and fludarabine (once daily for 4 days). Depending on participant's age, and other clinical factors, the transplant doctor will decide whether the participant will receive a higher or lower dose of busulfan. Allogeneic Hematopoietic Stem Cell Transplant: Between 1-2 days after participant finishes the chemotherapy, the participant will receive the blood stem cell or marrow from their donor. GVHD Prevention:
Placebo: Placebo vaccination will begin between 30 to 45 days following participant's transplant, provided participant meets vaccination initiation criteria. |
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Placebo vaccine
Participants in the placebo vaccine arm will undergo a conditioning regimen with busulfan and fludarabine prior to allogeneic hematopoietic stem cell transplant. Immediately after allogeneic hematopoietic stem cell transplant participants will start tacrolimus and methotrexate to prevent GVHD.
Conditioning regimen: In this study the condition regimen will include 2 chemotherapy drugs: busulfan (twice a day or four times a day for 4 days) and fludarabine (once daily for 4 days). Depending on participant's age, and other clinical factors, the transplant doctor will decide whether the participant will receive a higher or lower dose of busulfan.
Allogeneic Hematopoietic Stem Cell Transplant: Between 1-2 days after participant finishes the chemotherapy, the participant will receive the blood stem cell or marrow from their donor.
GVHD Prevention:
Placebo: Placebo vaccination will begin between 30 to 45 days following participant's transplant, provided participant meets vaccination initiation criteria.
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