Beta-Thalassemia Clinical Trial
Official title:
A Phase 2, Open Label, Multi-Center, Single-Dose Pharmacokinetics, and Multiple Dose Study of the Safety, Efficacy and Tolerability of SSP-004184 (SPD602) in a Pediatric Population With Transfusional Iron Overload
Verified date | June 2021 |
Source | Takeda |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This is an open-label study to assess the pharmacokinetics, safety, efficacy and tolerability of SSP-004184AQ. The study consists of two phases: the pharmacokinetic phase, using a single 16 mg/kg dose of SSP-004184AQ; and the chronic dosing phase, during which patients will receive an additional 48 weeks of SSP-004184AQ dosing. Two age groups will be studied: 6-<12, and 12-<18 years old. The study is designed to initially assess the pharmacokinetics and safety of SSP-004184AQ in older children (adolescents, 12-<18 years old) and then if deemed safe, in younger children (6-<12 years old).
Status | Terminated |
Enrollment | 30 |
Est. completion date | May 13, 2014 |
Est. primary completion date | May 13, 2014 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 6 Years to 17 Years |
Eligibility | Inclusion Criteria - Parents willing and able to sign the approved informed consent for their children and subjects between the ages of 6 and <18 years willing and able to provide their assent (based on institutional guidelines). - Able to swallow whole capsules. - Age >6 and <18 years. - Transfusion-dependent subjects who have transfusional iron overload requiring chronic treatment with deferoxamine, deferasirox, or deferiprone. A transfusion dependent subject is defined in this study as one with a minimum transfusion history totaling more than 20 units of packed red blood cells OR a calculated iron load based on transfusion history of 200mg/kg AND a transfusion requirement of 7 or more transfusions per year; or, in subjects with sickle cell anemia, be iron overloaded but can be receiving transfusion exchange therapy in lieu of transfusions. - In the opinion of the Investigator (and in consultation with the subject's parents), the subject is able to discontinue all existing iron chelation therapies for a minimum period of 1-5 days prior first dose of SSP-004184AQ, for the initial pharmacokinetic period of 8 days (if applicable), and for up to 49 weeks if continuing into the chronic dosing phase. - Subjects able to have an MRI must have: 1. liver iron concentration >2 and <30mg/g (dry weight, liver) by FerriScan® R2 2. cardiac MRI T2* >10ms (Note: Subjects not able to have an MRI will be considered iron overloaded on the basis of serum ferritin only.) - Serum ferritin >500ng/mL at Screening. - Mean of the previous 3 pre-transfusion hemoglobin concentrations greater than or equal to 7.5g/dL. - If appropriate, depending on age, female subjects of child-bearing potential need to use a medically acceptable method for birth control from screening until 30 days after the last dose of the study drug. Females of child-bearing potential must have a negative serum beta-HCG pregnancy test at the Screening Visit and a negative urine pregnancy test at the Baseline Visit. Females of child-bearing potential must agree to abstain from sexual activity that could result in pregnancy or agree to use acceptable methods of contraception. Exclusion Criteria - As a result of medical review, physical examination (including height and weight) or Screening investigations, the Principal Investigator considers the subject unfit for the study. - Iron overload from causes other than transfusional hemosiderosis. - Severe cardiac dysfunction. - Non-elective hospitalization within the 30 days prior to Baseline testing. - Evidence of clinically significant oral, cardiovascular, gastrointestinal, hepatic, biliary, renal, endocrine, pulmonary, neurologic, psychiatric, or skin disorder that contra-indicates dosing with SSP-004184AQ. - Evidence of significant renal insufficiency, eg, serum creatinine above the upper limit of normal or proteinuria greater than 1 gm per day. - Known sensitivity to any ingredient in the SSP-004184AQ formulation. - Platelet count below 100,000/µL or absolute neutrophil count less than 1500/mm3 at Screening. - ALT >180 IU/L at Screening. - Use of any investigational agent within the 30 days prior to Baseline testing. - Pregnant or lactating females. - Cardiac left ventricular ejection fraction a) Below the locally determined normal range in the 12 months prior to screening by echocardiography or MRI or <50% at Baseline testing by MRI (echocardiograph is acceptable for LVEF if MRI information is not available). |
Country | Name | City | State |
---|---|---|---|
Canada | Toronto Sick Kids Hospital | Toronto | Ontario |
Italy | Ospedale Regionale Mecrocitemie | Cagliari | |
Italy | Centro della Microcitemia e delle Anemie Congenite | Genoa | |
Italy | Thalassemia Center San Luigi Hospital | Orbassano | |
Lebanon | American University of Beirut Medical Center | Beirut | |
Lebanon | Chronic Care Center | Beirut | |
Turkey | Ege University Hospital | Izmir | |
United States | Children's Hospital Boston | Boston | Massachusetts |
United States | Children's Hospital of Philadelphia | Philadelphia | Pennsylvania |
Lead Sponsor | Collaborator |
---|---|
Shire |
United States, Canada, Italy, Lebanon, Turkey,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Maximum Observed Plasma Concentration (Cmax) of SPD602 After a Single Oral Dose | The pharmacokinetic (PK) parameters of SPD602 were measured in plasma of all patients following a single capsule dose of SPD602 at 16 mg/kg at start of treatment on Day 1 and at the clinic visit on Day 2. PK blood samples were collected as follows: Pre-dose on Day 1 (within 60 minutes prior to investigational product administration) and at 0.5, 1, 2, 3, 4, 8 hours (±3 minutes) and 24 hours (±30 minutes) post-dose. Plasma concentrations of SPD602 were determined using a validated liquid chromatography-tandem mass spectrometry (LC-MS/MS) method. The PK parameters were determined from plasma concentration-time data for SPD602 (total) by non-compartmental analysis. | Day 1 and up to 24 hours post-dose | |
Primary | Time of Maximum Observed Plasma Concentration Sampled During a Dosing Interval (Tmax) of SPD602 After a Single Oral Dose | The pharmacokinetic (PK) parameters of SPD602 were measured in plasma of all patients following a single capsule dose of SPD602 at 16 mg/kg at start of treatment on Day 1 and at the clinic visit on Day 2. PK blood samples were collected as follows: Pre-dose on Day 1 (within 60 minutes prior to investigational product administration) and at 0.5, 1, 2, 3, 4, 8 hours (±3 minutes) and 24 hours (±30 minutes) post-dose. Plasma concentrations of SPD602 were determined using a validated liquid chromatography-tandem mass spectrometry (LC-MS/MS) method. The PK parameters were determined from plasma concentration-time data for SPD602 (total) by non-compartmental analysis. | Day 1 and up to 24 hours post-dose | |
Primary | Area Under The Plasma Concentration-Time Curve (AUC) From The Time of Dosing to The Last Measurable Concentration (AUClast) of SPD602 After a Single Oral Dose | The pharmacokinetic (PK) parameters of SPD602 were measured in plasma of all patients following a single capsule dose of SPD602 at 16 mg/kg at start of treatment on Day 1 and at the clinic visit on Day 2. PK blood samples were collected as follows: Pre-dose on Day 1 (within 60 minutes prior to investigational product administration) and at 0.5, 1, 2, 3, 4, 8 hours (±3 minutes) and 24 hours (±30 minutes) post-dose. Plasma concentrations of SPD602 were determined using a validated liquid chromatography-tandem mass spectrometry (LC-MS/MS) method. The PK parameters were determined from plasma concentration-time data for SPD602 (total) by non-compartmental analysis. | Day 1 and up to 24 hours post-dose | |
Primary | Terminal Half-life (t1/2) of SPD602 After a Single Oral Dose | The pharmacokinetic (PK) parameters of SPD602 were measured in plasma of all patients following a single capsule dose of SPD602 at 16 mg/kg at start of treatment on Day 1 and at the clinic visit on Day 2. PK blood samples were collected as follows: Pre-dose on Day 1 (within 60 minutes prior to investigational product administration) and at 0.5, 1, 2, 3, 4, 8 hours (±3 minutes) and 24 hours (±30 minutes) post-dose. Plasma concentrations of SPD602 were determined using a validated liquid chromatography-tandem mass spectrometry (LC-MS/MS) method. The PK parameters were determined from plasma concentration-time data for SPD602 (total) by non-compartmental analysis. | Day 1 and up to 24 hours post-dose | |
Primary | Renal Clearance (CLr) of SPD602 After a Single Oral Dose | The pharmacokinetic (PK) parameters of SPD602 were measured in urine of patients following a single capsule dose of SPD602 at 16 mg/kg at start of treatment on Day 1 and at the clinic visit on Day 2. Children who could cooperate provided urine samples for PK assessment on Day 1 over 3 time intervals: 0-4, 4-8, and 8-24 hours after the last dose (continued into Day 2). Urine concentrations of SPD602 were determined using a validated liquid chromatography-tandem mass spectrometry (LC-MS/MS) method. The PK parameters were determined from urine concentration-time data for SPD602 (total) by non-compartmental analysis. | Day 1 and up to 24 hours post-dose | |
Primary | Amount Excreted Into Urine (Ue) of SPD602 After a Single Oral Dose | The pharmacokinetic (PK) parameters of SPD602 were measured in urine of patients following a single capsule dose of SPD602 at 16 mg/kg at start of treatment on Day 1 and at the clinic visit on Day 2. Children who could cooperate provided urine samples for PK assessment on Day 1 over 3 time intervals: 0-4, 4-8, and 8-24 hours after the last dose (continued into Day 2). Urine concentrations of SPD602 were determined using a validated liquid chromatography-tandem mass spectrometry (LC-MS/MS) method. The PK parameters were determined from urine concentration-time data for SPD602 (total) by non-compartmental analysis. | Day 1 and up to 24 hours post-dose | |
Primary | Fraction Of Orally Administered Drug Excreted Unchanged In Urine (fe) of SPD602 After a Single Oral Dose | The pharmacokinetic (PK) parameters of SPD602 were measured in urine of patients following a single capsule dose of SPD602 at 16 mg/kg at start of treatment on Day 1 and at the clinic visit on Day 2. Children who could cooperate provided urine samples for PK assessment on Day 1 over 3 time intervals: 0-4, 4-8, and 8-24 hours after the last dose (continued into Day 2). Urine concentrations of SPD602 were determined using a validated liquid chromatography-tandem mass spectrometry (LC-MS/MS) method. The PK parameters were determined from urine concentration-time data for SPD602 (total) by non-compartmental analysis. | Day 1 and up to 24 hours post-dose | |
Primary | Change From Baseline in Liver Iron Concentration (LIC) Assessed by FerriScan R2 Magnetic Resonance Imaging (MRI) | The efficacy of SPD602 was assessed by determining LIC. Abdominal MRI data were collected by using FerriScan R2 standard procedures and used to determine LIC. A negative change from baseline indicates that LIC decreased. | Baseline, 24 weeks, and 48 weeks | |
Primary | Change From Baseline in LIC Adjusted by Transfusional Iron Intake And Assessed by FerriScan R2 MRI | The efficacy of SPD602 was assessed by determining LIC and adjusting for transfusional iron intake. Abdominal MRI data were collected by using FerriScan R2 standard procedures and used to determine LIC. A negative change from baseline indicates that LIC decreased. | Baseline, 24 weeks, and 48 weeks | |
Secondary | Change From Baseline in LIC Assessed by R2* MRI | The efficacy of SPD602 was assessed by determining LIC. Abdominal MRI data were collected by using R2* standard procedures and used to determine LIC. A negative change from baseline indicates that LIC decreased. | Baseline, 24 weeks, and 48 weeks | |
Secondary | Change From Baseline in LIC Adjusted by Transfusional Iron Intake And Assessed by R2* MRI | The efficacy of SPD602 was assessed by determining LIC and adjusting for transfusional iron intake. Abdominal MRI data were collected by using R2* standard procedures and used to determine LIC. A negative change from baseline indicates that LIC decreased. | Baseline, 24 weeks, and 48 weeks | |
Secondary | Change From Baseline in Cardiac Iron Load Assessed by T2* MRI | The efficacy of SPD602 was assessed by determining cardiac iron load. Cardiac MRI data were collected by using T2* standard procedures and used to determine iron load. A negative change from baseline indicates that iron load increased. | Baseline, 24 weeks, and 48 weeks | |
Secondary | Change From Baseline in Serum Ferritin | Serum ferritin levels were assessed to determine if a participant was a successful responder and were determined from serum biochemistry analyses conducted at the central laboratories. A negative change from baseline indicates that serum ferritin decreased. | Baseline, 24 weeks, and 48 weeks |
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