A Phase 2 interventional study of Deferasirox DFX, DT and Erythropoietin alpha in Low and Int 1-risk Myelodysplastic Syndrome, sponsored by Novartis Pharmaceuticals. Completed at 30 sites in 10 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2018-10-31.
Sponsored by Novartis Pharmaceuticals · Phase 2, Interventional, and Treatment
The primary purpose of this trial was is to assess the effect of treatment with deferasirox combined with erythropoietin vs. erythropoietin alone on erythropoiesis in patients with low- and int-1-risk myelodysplastic syndrome. The addition of deferasirox to erythropoietin can lead to a potential synergism with the reduction of reactive oxygen species, through both the NF-kB pathway and the control of free toxic iron. This may create a better environment in the bone marrow for a better response with erythropoietin.
This study was designed to test in a prospective way the combination of deferasirox with erythropoietin in terms of their effect on hematopoiesis.
This study did not meet the original enrollment objective of 60 patients and was terminated without extending enrollment past original planned LPFV of 31-Oct-2016.
1,317 studies on the registry are indexed under Preleukemia; 57 are open to participants now.
This study's enrollment of 28 is below the median of 36 across 1,060 interventional studies indexed under Preleukemia.
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Key Inclusion Criteria:
Myelodysplastic syndrome that lasted ≥ 3 months and \< 3 years Disease must not have been secondary to treatment with radiotherapy, chemotherapy, and/or immunotherapy for malignant or autoimmune diseases
Key Exclusion Criteria:
Patients will receive erythropoietin 40,000 units/week. If after 4 weeks erythroid improvement is inadequate, dose will be escalated to 60,000 units/week. If after 12 weeks of treatment, erythroid improvement in inadequate, patients will be switched to the combination arm. At any time when erythroid response is achieved, erythropoietin treatment will be stopped until end of study.
Drug: Erythropoietin alpha
Patients will receive deferasirox dispersible tablet (DT) 10 mg/kg/day or deferasirox film-coated tablet (FCT) 7 mg/kg/day in combination with erythropoietin 40,000 units/week. If after 4 weeks erythroid improvement is inadequate, erythropoietin dose will be escalated to 60,000 units/week. If after 12 weeks of treatment, erythroid improvement in inadequate, patients will be discontinued from the study. At any time when erythroid response is achieved, erythropoietin treatment will be stopped until end of study. Patients will continue deferasirox treatment.
Drug: Deferasirox DFX, DT · Drug: Deferasirox DFX, FCT
provided as dispersible tablets for oral use in 125 and 250, 500 mg
provided as film-coated tablet for oral use in 90, 180, 360 mg strengths
Difference in Percentage of Patients Achieving Erythroid Response Within 12 Weeks, by Treatment Group (Full Analysis Set)
Difference in percentage of patients achieving an erythroid response within 12 weeks of treatment between the two arms according to modified IWG 2006 criteria increase in hemoglobin (Hb) ≥ 1.5 g/dL. Erythroid response is defined as the increase in Hb from baseline ≥ 1.5 g/dL. Patients achieving erythroid response at least once within 12 weeks were considered responders
Time frame: Baseline up to 12 weeks
Absolute Change From Baseline to Post-baseline Value for Hemoglobin(g/dL)(Full Analysis Set)
Hematological response criteria defined as: Erythroid response: hemoglobin (Hb) increase from baseline \>= 1.5 g/dL (baseline \< 11 g/dL), neutrophil response: increase from baseline \>= 100% and increase \> 0.5 × 10\^9/L (baseline \<1 × 10\^9/L), platelet response: increase from baseline \>= 30 × 10\^9/L (baseline \<100 × 10\^9/L) according to modified IWG 2006 criteria
Time frame: Baseline up to 24 weeks
Summary of Hematologic Improvement in Patients Randomized to EPO+DFX and EPO Alone, Within 24 Weeks of Treatment (Full Analysis Set)
Percentage of participants achieving an hematologic improvement defined as: neutrophil improvement: increase from baseline \>0.5 × 10\^9/L (baseline = 1.0 × 10\^9/L ), platelet improvement: increase from baseline ≥ 30 × 10\^9/L (baseline = 100 × 10\^9/L), hemoglobin improvement: Hb increase from baseline ≥ 1 g/dL (baseline\<11 g/dL)
Time frame: Baseline up to 24 weeks
Absolute Change in Hemoglobin Values up to 24 Weeks
Absolute change in hemoglobin values for patients showing improvement: Hemoglobin improvement Hb increase from baseline ≥ 1 g/dL (baseline\<11 g/dL)
Time frame: Baseline up to 24 weeks
Absolute Change in Platelets and Neutrophil Levels up to 24 Weeks
Absolute change in platelets and neutrophil levels for participants showing improvement: neutrophil improvement: increase from baseline \>0.5 × 10\^9/L (baseline = 1.0 × 10\^9/L ), platelet improvement: increase from baseline ≥ 30 × 10\^9/L (baseline = 100 × 10\^9/L)
Time frame: Baseline up to 24 weeks
Summary of Erythroid Response in Participants Randomized to EPO Alone at Baseline and Switched to EPO+DFX After 12 Weeks of Treatment (Full Analysis Set)
Erythroid response: hemoglobin increase from baseline \> = 1.5 g/dL (baseline \<11 g/dL)
Time frame: Week 13 up to 24 weeks
Summary of Erythroid Response Within 24 Weeks in Participants Randomized to EPO at Baseline and Not Switched to EPO+DFX After 12 Weeks of Treatment (Full Analysis Set)
Erythroid response: hemoglobin increase from baseline \> = 1.5 g/dL (baseline \<11 g/dL). Percentages are based on N. Confidence intervals are calculated using Clopper-Pearson method. Hemoglobin value is at time of first response
Time frame: baseline up to 24 weeks
Absolute Change in Serum Ferritin up to 24 Weeks for Erythropoietin Alpha Arm (Full Analysis Set)
Absolute change in serum ferritin from baseline
Time frame: Baseline up to 24 weeks
Absolute Change in Serum Ferritin up to 24 Weeks for Deferasirox + Erythropoietin Alpha Arm (Full Analysis Set)
Absolute change in serum ferritin from baseline
Time frame: Baseline up to 24 weeks
Absolute Change in Serum Ferritin up to 24 Weeks for EPO+DFX at 12 Weeks Arm (Full Analysis Set)
Absolute change in serum ferritin from baseline
Time frame: Baseline up 24 weeks
Absolute Change in Hemoglobin (Hb) From Baseline for Erythropoietin Alpha Arm (Full Analysis Set)
This analysis included patients randomized either to EPO or DFX+EPO at baseline as well as patients who did not have erythroid response at week 12 in the EPO group and switched to combination therapy.
Time frame: Baseline up to 24 weeks
Absolute Change in Hemoglobin (Hb) From Baseline for Deferasirox + Erythropoietin Alpha Arm (Full Analysis Set)
This analysis included patients randomized either to EPO or DFX+EPO at baseline as well as patients who did not have erythroid response at week 12 in the EPO group and switched to combination therapy.
Time frame: Baseline up to 24 weeks
Absolute Change in Hemoglobin (Hb) From Baseline for EPO+DFX at 12 Weeks Arm (Full Analysis Set)
This analysis included patients randomized either to EPO or DFX+EPO at baseline as well as patients who did not have erythroid response at week 12 in the EPO group and switched to combination therapy. The time-course of Hb and its absolute changes from baseline was summarized by descriptive statistics by visit and erythroid response. Patients randomized to EPO and not switching after 12 weeks to EPO+DFX would consist of only responders.
Time frame: Baseline up to 24 weeks
| Milestone | Erythropoietin Alpha | Deferasirox + Erythropoietin Alpha |
|---|---|---|
| Started | 12 | 11 |
| Switched to epo+dfx | 5 | 0 |
| Not switched to epo+dfx | 7 | 0 |
| Completed | 8 | 6 |
| Not completed | 4 | 5 |
| Withdrew: Adverse event | 2 | 4 |
| Withdrew: Disease progression | 1 | 1 |
| Withdrew: Withdrawal by subject | 1 | 0 |
Difference in percentage of patients achieving an erythroid response within 12 weeks of treatment between the two arms according to modified IWG 2006 criteria increase in hemoglobin (Hb) ≥ 1.5 g/dL. Erythroid response is defined as the increase in Hb from baseline ≥ 1.5 g/dL. Patients achieving erythroid response at least once within 12 weeks were considered responders
| percentage of participants | Erythropoietin Alpha | Deferasirox + Erythropoietin Alpha |
|---|---|---|
| Difference in Percentage of Patients Achieving Erythroid Response Within 12 Weeks, by Treatment Group (Full Analysis Set) | 41.7 (15.2 to 72.3) | 27.3 (6.02 to 61.0) |
Hematological response criteria defined as: Erythroid response: hemoglobin (Hb) increase from baseline \>= 1.5 g/dL (baseline \< 11 g/dL), neutrophil response: increase from baseline \>= 100% and increase \> 0.5 × 10\^9/L (baseline \<1 × 10\^9/L), platelet response: increase from baseline \>= 30 × 10\^9/L (baseline \<100 × 10\^9/L) according to modified IWG 2006 criteria
| g/dL | Erythropoietin Alpha | Deferasirox + Erythropoietin Alpha |
|---|---|---|
| Absolute Change From Baseline to Post-baseline Value for Hemoglobin(g/dL)(Full Analysis Set) | 1.8 ± 0.21 | 2.1 ± 0.61 |
Percentage of participants achieving an hematologic improvement defined as: neutrophil improvement: increase from baseline \>0.5 × 10\^9/L (baseline = 1.0 × 10\^9/L ), platelet improvement: increase from baseline ≥ 30 × 10\^9/L (baseline = 100 × 10\^9/L), hemoglobin improvement: Hb increase from baseline ≥ 1 g/dL (baseline\<11 g/dL)
| percentage of participants | Erythropoietin Alpha | Deferasirox + Erythropoietin Alpha |
|---|---|---|
| Hematologic improvement | 100 | 45.5 |
| Neutropil improvement | 66.7 | 80.0 |
| Platelet improvement | 50.0 | 80.0 |
| Hemoglobin improvement | 66.7 | 60.0 |
Absolute change in hemoglobin values for patients showing improvement: Hemoglobin improvement Hb increase from baseline ≥ 1 g/dL (baseline\<11 g/dL)
| g/dL | Erythropoietin Alpha | Deferasirox + Erythropoietin Alpha |
|---|---|---|
| Absolute Change in Hemoglobin Values up to 24 Weeks | 1.3 ± 0.37 | 1.4 ± 0.55 |
Absolute change in platelets and neutrophil levels for participants showing improvement: neutrophil improvement: increase from baseline \>0.5 × 10\^9/L (baseline = 1.0 × 10\^9/L ), platelet improvement: increase from baseline ≥ 30 × 10\^9/L (baseline = 100 × 10\^9/L)
| 10^9 cells/L | Erythropoietin Alpha | Deferasirox + Erythropoietin Alpha |
|---|---|---|
| Platelets | 58.7 ± 23.93 | 66.3 ± 22.74 |
| Neutrophils | 1.2 ± 1.16 | 2.4 ± 1.57 |
Erythroid response: hemoglobin increase from baseline \> = 1.5 g/dL (baseline \<11 g/dL)
| participants | EPO+DFX (12 Weeks) |
|---|---|
| Summary of Erythroid Response in Participants Randomized to EPO Alone at Baseline and Switched to EPO+DFX After 12 Weeks of Treatment (Full Analysis Set) | 0 |
Erythroid response: hemoglobin increase from baseline \> = 1.5 g/dL (baseline \<11 g/dL). Percentages are based on N. Confidence intervals are calculated using Clopper-Pearson method. Hemoglobin value is at time of first response
| percentage of participants | EPO (24 Weeks) |
|---|---|
| Summary of Erythroid Response Within 24 Weeks in Participants Randomized to EPO at Baseline and Not Switched to EPO+DFX After 12 Weeks of Treatment (Full Analysis Set) | 71.4 (47.8 to 100.0) |
Absolute change in serum ferritin from baseline
| ng/mL | Erythropoietin Alpha |
|---|---|
| Responders - Week 5 | -98.5 (-323 to -73.5) |
| Responders - Week 9 | -79.0 (-381 to 54.0) |
| Responders - Week 13 | 24.8 (-179 to 104) |
| Responders - Week 17 | -57.8 (-140 to 258.0) |
| Responders - Week 21 | -39.8 (-44.0 to -35.5) |
| Non-responders - Week 5 | -352 (-523 to -182) |
| Non-responders - Week 9 | -189 (-572 to 194.5) |
| Non-responders - Week 13 | -44.5 (-621 to 531.5) |
Absolute change in serum ferritin from baseline
| ng/mL | Deferasirox + Erythropoietin Alpha |
|---|---|
| Responders - Week 5 | -82.5 (-243 to 1068) |
| Responders - Week 9 | -139 (-292 to 702.0) |
| Responders - Week 13| | -121 (-338 to 0.0) |
| Responders - Week 17 | 16.5 (-143 to 722.0) |
| Responders - Week 21 | -95.5 (-189 to 173.0) |
| Non-responders - Week 5 | -38.0 (-315 to 111.0) |
| Non-responders - Week 9| | -144 (-435 to 1.0) |
| Non-responders - Week 13| | -155 (-225 to -127) |
| Non-responders - Week 17 | -123 (-154 to -91.0) |
| Non-responders - Week 21 | -291 (-291 to -291) |
Absolute change in serum ferritin from baseline
| ng/mL | EPO+DFX at 12 |
|---|---|
| Responders - Week 5 | -116 (-116 to -116) |
| Responders - Week 9 | -136 (-136 to -136) |
| Responders - Week 13 | 59.5 (59.5 to 59.5) |
| Responders - Week 17 | 74.5 (74.5 to 74.5) |
| Non-responders - Week 5 | -68.3 (-144 to 221.3) |
| Non-responders - Week 9 | -148 (-319 to 321.3) |
| Non-responders - Week 13 | 220.4 (-228 to 635.3) |
| Non-responders - Week 17 | -16.6 (-28.5 to -4.7) |
| Non-responders - Week 21 | -10.5 (-463 to 367.3) |
This analysis included patients randomized either to EPO or DFX+EPO at baseline as well as patients who did not have erythroid response at week 12 in the EPO group and switched to combination therapy.
| g/dL | Erythropoietin Alpha |
|---|---|
| Responders - Week 5 | 1.5 (1.1 to 3.2) |
| Responders - Week 9 | 1.9 (1.3 to 4.4) |
| Responders - Week 13 | 1.7 (1.5 to 3.4) |
| Responders - Week 17 | 1.6 (-0.3 to 1.8) |
| Responders - Week 21 | 0.8 (-0.7 to 1.8) |
| Non-responders - Week 5 | -0.9 (-1.7 to -0.1) |
| Non-responders - Week 9 | -1.7 (-2.0 to -1.4) |
| Non-responders - Week 13 | -2.5 (-2.8 to -2.1) |
This analysis included patients randomized either to EPO or DFX+EPO at baseline as well as patients who did not have erythroid response at week 12 in the EPO group and switched to combination therapy.
| g/dL | Deferasirox + Erythropoietin Alpha |
|---|---|
| Responders - Week 5 | 0.7 (0.6 to 2.0) |
| Responders - Week 9 | 1.6 (1.0 to 2.6) |
| Responders - Week 13 | 2.9 (2.8 to 3.0) |
| Responders - Week 17 | 2.4 (0.6 to 3.0) |
| Responders - Week 21 | 1.7 (-1.3 to 2.4) |
| Non-responders - Week 5 | -0.1 (-2.3 to 0.1) |
| Non-responders - Week 9 | 0.0 (-0.8 to 0.5) |
| Non-responders - Week 13 | 0.2 (0.1 to 0.5) |
| Non-responders - Week 17 | -0.5 (-0.5 to -0.5) |
| Non-responders - Week 21 | -0.6 (-0.6 to -0.6) |
This analysis included patients randomized either to EPO or DFX+EPO at baseline as well as patients who did not have erythroid response at week 12 in the EPO group and switched to combination therapy. The time-course of Hb and its absolute changes from baseline was summarized by descriptive statistics by visit and erythroid response. Patients randomized to EPO and not switching after 12 weeks to EPO+DFX would consist of only responders.
| g/dL | EPO+DFX at 12 Weeks |
|---|---|
| Responders - Week 5 | 1.2 (1.2 to 1.2) |
| Responders - Week 9| | 1.8 (1.8 to 1.8) |
| Responders - Week 13| | 0.7 (0.7 to 0.7) |
| Responders - Week 17| | -0.6 (-0.6 to -0.6) |
| Non-responders - Week 5 | 0.3 (-0.5 to 0.6) |
| Non-responders - Week 9| | 0.5 (-0.4 to 0.8) |
| Non-responders - Week 13 | 0.4 (0.2 to 1.0) |
| Non-responders - Week 17| | 0.0 (-0.1 to 0.9) |
| Non-responders - Week 21 | 0.0 (-0.7 to 0.8) |
Collected over Adverse Events are collected from First Patient First Visit (FPFV) until Last Patient Last Visit (LPLV). All Adverse events are reported in this record from First Patient First Treatment until Last Patient Last Visit up to approximately 24 weeks. Non-serious events are listed at a 5% frequency threshold.
| Group | Deaths | Serious | Other |
|---|---|---|---|
| EPO A | 0/7 (0%) | 1/7 (14.3%) | 4/7 (57.1%) |
| EPO+DFX DT | 0/10 (0%) | 1/10 (10%) | 10/10 (100%) |
| EPO+DFX FCT | 0/1 (0%) | 1/1 (100%) | 1/1 (100%) |
| Switched to DFX+EPO After 12 Weeks | 0/5 (0%) | 1/5 (20%) | 5/5 (100%) |
| Event | EPO A | EPO+DFX DT | EPO+DFX FCT | Switched to DFX+EPO After 12 Weeks |
|---|---|---|---|---|
| DiverticulitisInfections and infestations | 0/7 | 0/10 | 1/1 | 0/5 |
| SyncopeNervous system disorders | 0/7 | 0/10 | 1/1 | 0/5 |
| TachycardiaCardiac disorders | 0/7 | 0/10 | 0/1 | 1/5 |
| Inguinal herniaGastrointestinal disorders | 0/7 | 0/10 | 0/1 | 1/5 |
| ArthralgiaMusculoskeletal and connective tissue disorders | 1/7 | 0/10 | 0/1 | 1/5 |
| PyrexiaGeneral disorders | 1/7 | 0/10 | 0/1 | 0/5 |
| C-reactive protein increasedInvestigations | 1/7 | 0/10 | 0/1 | 0/5 |
| Back painMusculoskeletal and connective tissue disorders | 1/7 | 0/10 | 0/1 | 0/5 |
| Musculoskeletal painMusculoskeletal and connective tissue disorders | 1/7 | 0/10 | 0/1 | 0/5 |
| Femoral neck fractureInjury, poisoning and procedural complications | 0/7 | 1/10 | 0/1 | 0/5 |
| Event | EPO A | EPO+DFX DT | EPO+DFX FCT | Switched to DFX+EPO After 12 Weeks |
|---|---|---|---|---|
| DiarrhoeaGastrointestinal disorders | 0/7 | 3/10 | 1/1 | 0/5 |
| Localised infectionInfections and infestations | 0/7 | 0/10 | 0/1 | 2/5 |
| AnaemiaBlood and lymphatic system disorders | 2/7 | 2/10 | 0/1 | 1/5 |
| VertigoEar and labyrinth disorders | 0/7 | 0/10 | 0/1 | 1/5 |
| Abdominal pain upperGastrointestinal disorders | 0/7 | 0/10 | 0/1 | 1/5 |
| Inguinal herniaGastrointestinal disorders | 0/7 | 0/10 | 0/1 | 1/5 |
| ToothacheGastrointestinal disorders | 0/7 | 0/10 | 0/1 | 1/5 |
| Injection site bruisingGeneral disorders | 0/7 | 0/10 | 0/1 | 1/5 |
| Oedema peripheralGeneral disorders | 0/7 | 0/10 | 0/1 | 1/5 |
| PyrexiaGeneral disorders | 0/7 | 0/10 | 0/1 | 1/5 |
| Age, Continuous(years) | Erythropoietin Alpha | Deferasirox + Erythropoietin Alpha | Total |
|---|---|---|---|
| Mean | 74.5 ± 5.84 | 71.1 ± 7.54 | 72.9 ± 6.77 |
| Sex: Female, Male(Participants) | Erythropoietin Alpha | Deferasirox + Erythropoietin Alpha | Total |
|---|---|---|---|
| Female | 8 | 5 | 13 |
| Male | 4 | 6 | 10 |
| Race/Ethnicity, Customized(participants) | Erythropoietin Alpha | Deferasirox + Erythropoietin Alpha | Total |
|---|---|---|---|
| Caucasian | 8 | 7 | 15 |
| Asian | 4 | 4 | 8 |
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