A Phase 1/2 interventional study of DS-1040b and Placebo in Pulmonary Embolism and Thrombotic Disease, sponsored by Daiichi Sankyo. Completed at 46 sites in 8 countries. Open to participants aged 18 Years to 75 Years. Per ClinicalTrials.gov, last updated 2023-04-19.
Sponsored by Daiichi Sankyo · Phase 1/2, Interventional, and Treatment
This is a Phase 1b, double-blind (participants and Investigators), placebo-controlled, randomized, single-ascending dose, multi-center study to assess the safety, efficacy, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of DS-1040b in participants with acute submassive pulmonary embolism.
753 studies on the registry are indexed under Pulmonary Embolism; 157 are open to participants now.
This study's enrollment of 134 is below the median of 150 across 387 interventional studies indexed under Pulmonary Embolism.
Browse Pulmonary Embolism studies →Daiichi Sankyo is the lead sponsor of 322 studies on the registry; 37 are open to participants now.
Of its 51 completed or terminated interventional studies of FDA-regulated products, 38 (75%) have results posted.
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Exclusion Criteria:
Participants who are randomized to receive DS-1040b as a single, continuous intravenous infusion (initial loading dose 3-6 mg). All participants will also receive standard of care anticoagulation enoxaparin therapy during the study drug infusion.
Drug: DS-1040b · Drug: Enoxaparin
Participants who are randomized to receive placebo as a single, continuous intravenous infusion. All participants will also receive standard of care anticoagulation enoxaparin therapy during the study drug infusion.
Drug: Placebo · Drug: Enoxaparin
Single, continuous intravenous infusion over 12 to 24 hours (depending on cohort)
Single, continuous intravenous infusion of 0.9% sodium chloride over 12 to 24 hours
Subcutaneous injection 1 mg/kg twice daily
Number of Participants Experiencing Adjudicated Clinically Relevant Bleeding Events Following Intravenous Infusion of DS-1040b or Placebo in Addition to Standard of Care Anti-coagulation Therapy in Participants With Acute Submassive Pulmonary Embolism
Clinically relevant bleeding was defined as major or clinically relevant non-major (CRNM) bleeding adjudicated by the Clinical Events Committee (CEC) based on International Society of Thrombosis and Haemostasis (ISTH) definitions and the CEC charter.
Time frame: Baseline up to Day 30 post infusion, up to approximately 3 years 2 months
Mean Percent Change From Baseline in Total Thrombus Volume at 12-72 Hours Post Start of Infusion of DS-1040b Compared to Placebo When Added to Standard of Care Anticoagulation Therapy in Participants With Acute Submassive Pulmonary Embolism
The change from baseline in total thrombus volume was assessed by computed tomography angiography in segmental or larger pulmonary arteries following intravenous infusion of DS-1040b or placebo in addition to standard of care anti-coagulation therapy.
Time frame: Baseline to 12-72 hours post start of infusion, up to approximately 3 years 2 months
Participants Achieving Reductions in Total Thrombus Volume at 12-72 Hours Post Infusion of DS-1040b Compared to Placebo When Added to Standard of Care Anticoagulation Therapy in Participants With Acute Submassive Pulmonary Embolism
Change in total pulmonary thrombus burden (total thrombus volume) was assessed by computed tomography pulmonary angiography (CTPA). All CTPA scans were evaluated by a central imaging laboratory in a blinded manner by radiologists.
Time frame: Baseline to 12-72 hours post start of infusion, up to approximately 3 years 2 months
Pharmacokinetic (PK) Parameter Maximum Concentration (CMax) Following Intravenous Infusion of DS-1040b in Addition to Standard of Care Anti-coagulation Therapy in Participants With Acute Submassive Pulmonary Embolism
Plasma concentrations at each time point and PK parameter Cmax of DS 1040b was calculated using non-compartmental analysis.
Time frame: Cohort 1: 0 up to 72 h post infusion; Cohorts 2 and 3: 0 up to 96 h post infusion; Cohort 4 and 5: 0 up to 120 h post infusion
Pharmacokinetic Parameter Area Under the Concentration Versus Time Curve (0 to Last) Following Intravenous Infusion of DS-1040b In Addition to Standard of Care Anti-coagulation Therapy in Participants With Acute Submassive Pulmonary Embolism
Plasma concentrations at each time point and PK parameter of Area Under the Concentration Versus Time Curve (0 to last) of DS-1040b was calculated using non-compartmental analysis.
Time frame: Cohort 1: 0 up to 72 h post infusion; Cohorts 2 and 3: 0 up to 96 h post infusion; Cohort 4 and 5: 0 up to 120 h post infusion
Pharmacokinetic Parameter Terminal Half-life Following Intravenous Infusion of DS-1040b Combined With Standard of Care Anti-coagulation Therapy in Participants With Acute Submassive Pulmonary Embolism
Plasma concentrations at each time point and PK parameter Terminal Half-life of DS-1040b was calculated using non-compartmental analysis.
Time frame: Cohort 1: 0 up to 72 h post infusion; Cohorts 2 and 3: 0 up to 96 h post infusion; Cohort 4 and 5: 0 up to 120 h post infusion
A total of 134 participants who met all inclusion and no exclusion criteria were enrolled in the study at 47 clinic sites (15 in the United States and 32 in Europe). Of the 134 participants randomized to treatment, 125 received treatment.
| Milestone | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg | Placebo |
|---|---|---|---|---|---|---|
| Started | 12 | 16 | 23 | 23 | 22 | 38 |
| Treated | 12 | 16 | 20 | 22 | 17 | 38 |
| Completed | 12 | 15 | 20 | 21 | 17 | 38 |
| Not completed | 0 | 1 | 3 | 2 | 5 | 0 |
| Withdrew: Lost to follow-up | 0 | 0 | 0 | 1 | 0 | 0 |
| Withdrew: Withdrawal by subject | 0 | 1 | 0 | 0 | 0 | 0 |
| Withdrew: Randomized, but not dosed | 0 | 0 | 3 | 1 | 5 | 0 |
Clinically relevant bleeding was defined as major or clinically relevant non-major (CRNM) bleeding adjudicated by the Clinical Events Committee (CEC) based on International Society of Thrombosis and Haemostasis (ISTH) definitions and the CEC charter.
| Participants | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg | Placebo |
|---|---|---|---|---|---|---|
| At least 1 bleeding event | 4 | 3 | 3 | 4 | 1 | 10 |
| Major bleeding event | 0 | 0 | 0 | 1 | 0 | 0 |
| Non-major clinically relevant bleeding event | 0 | 0 | 0 | 2 | 1 | 1 |
| Minor or nuisance bleeding event | 3 | 2 | 3 | 2 | 0 | 6 |
| Fatal bleeding event | 0 | 0 | 0 | 0 | 0 | 0 |
| Bleeding with Hb drop ≥2g/dL, transfusion ≥2 units | 0 | 0 | 0 | 1 | 0 | 0 |
The change from baseline in total thrombus volume was assessed by computed tomography angiography in segmental or larger pulmonary arteries following intravenous infusion of DS-1040b or placebo in addition to standard of care anti-coagulation therapy.
| percent change | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg | Placebo |
|---|---|---|---|---|---|---|
| Mean Percent Change From Baseline in Total Thrombus Volume at 12-72 Hours Post Start of Infusion of DS-1040b Compared to Placebo When Added to Standard of Care Anticoagulation Therapy in Participants With Acute Submassive Pulmonary Embolism | -23.78 ± 24.49 | -38.67 ± 17.34 | -33.50 ± 17.41 | -37.36 ± 26.90 | -32.33 ± 19.03 | -31.35 ± 17.74 |
Change in total pulmonary thrombus burden (total thrombus volume) was assessed by computed tomography pulmonary angiography (CTPA). All CTPA scans were evaluated by a central imaging laboratory in a blinded manner by radiologists.
| Participants | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg | Placebo |
|---|---|---|---|---|---|---|
| No change or increase | 2 | 0 | 1 | 0 | 1 | 3 |
| <20% reduction | 2 | 3 | 3 | 5 | 3 | 5 |
| ≥20% reduction | 7 | 12 | 16 | 17 | 12 | 28 |
| Missing data | 1 | 0 | 0 | 0 | 1 | 2 |
Plasma concentrations at each time point and PK parameter Cmax of DS 1040b was calculated using non-compartmental analysis.
| ng/mL | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg |
|---|---|---|---|---|---|
| Pharmacokinetic (PK) Parameter Maximum Concentration (CMax) Following Intravenous Infusion of DS-1040b in Addition to Standard of Care Anti-coagulation Therapy in Participants With Acute Submassive Pulmonary Embolism | 970.09 ± 1373.43 | 421.73 ± 515.57 | 608.84 ± 562.94 | 1006.41 ± 1883.49 | 526.12 ± 535.03 |
Plasma concentrations at each time point and PK parameter of Area Under the Concentration Versus Time Curve (0 to last) of DS-1040b was calculated using non-compartmental analysis.
| ng*h/mL | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg |
|---|---|---|---|---|---|
| Pharmacokinetic Parameter Area Under the Concentration Versus Time Curve (0 to Last) Following Intravenous Infusion of DS-1040b In Addition to Standard of Care Anti-coagulation Therapy in Participants With Acute Submassive Pulmonary Embolism | 5532.92 ± 4090.34 | 7819.53 ± 2870.13 | 13403.15 ± 8047.13 | 17147.27 ± 15024.61 | 8014.73 ± 2870.19 |
Plasma concentrations at each time point and PK parameter Terminal Half-life of DS-1040b was calculated using non-compartmental analysis.
| hours | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg |
|---|---|---|---|---|---|
| Pharmacokinetic Parameter Terminal Half-life Following Intravenous Infusion of DS-1040b Combined With Standard of Care Anti-coagulation Therapy in Participants With Acute Submassive Pulmonary Embolism | 22.81 ± 3.13 | 28.44 ± 5.75 | 29.06 ± 7.60 | 36.39 ± 2.07 | 30.06 ± 3.45 |
Collected over Treatment-emergent adverse events (TEAEs) were collected from baseline up to Day 30 post infusion, up to approximately 3 years 2 months.. Non-serious events are listed at a 0% frequency threshold.
| Group | Deaths | Serious | Other |
|---|---|---|---|
| Cohort 1: DS-1040b 20 mg | 0/12 (0%) | 3/12 (25%) | 8/12 (66.7%) |
| Cohort 2: DS-1040b 40 mg | 0/16 (0%) | 0/16 (0%) | 6/16 (37.5%) |
| Cohort 3: DS-1040b 60 mg | 0/20 (0%) | 2/20 (10%) | 13/20 (65%) |
| Cohort 4: DS-1040b 80 mg | 0/22 (0%) | 1/22 (4.5%) | 10/22 (45.5%) |
| Cohort 5: DS-1040b 40 mg | 0/17 (0%) | 3/17 (17.6%) | 8/17 (47.1%) |
| Placebo | 0/38 (0%) | 5/38 (13.2%) | 25/38 (65.8%) |
| Event | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg | Placebo |
|---|---|---|---|---|---|---|
| Lung infectionInfections and infestations | 1/12 | 0/16 | 0/20 | 0/22 | 0/17 | 1/38 |
| Pulmonary embolismRespiratory, thoracic and mediastinal disorders | 1/12 | 0/16 | 0/20 | 0/22 | 0/17 | 0/38 |
| Hepatocellular injuryHepatobiliary disorders | 1/12 | 0/16 | 0/20 | 0/22 | 0/17 | 0/38 |
| DepressionPsychiatric disorders | 0/12 | 0/16 | 0/20 | 0/22 | 1/17 | 1/38 |
| Pleural effusionRespiratory, thoracic and mediastinal disorders | 0/12 | 0/16 | 0/20 | 0/22 | 1/17 | 0/38 |
| PneumoniaInfections and infestations | 0/12 | 0/16 | 0/20 | 0/22 | 1/17 | 0/38 |
| Anal abscessInfections and infestations | 0/12 | 0/16 | 1/20 | 0/22 | 0/17 | 0/38 |
| PresyncopeNervous system disorders | 0/12 | 0/16 | 1/20 | 0/22 | 0/17 | 0/38 |
| Metastases to nervous systemNeoplasms benign, malignant and unspecified (incl cysts and polyps) | 0/12 | 0/16 | 1/20 | 0/22 | 0/17 | 0/38 |
| Testicular cancer metastaticNeoplasms benign, malignant and unspecified (incl cysts and polyps) | 0/12 | 0/16 | 1/20 | 0/22 | 0/17 | 0/38 |
| Event | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg | Placebo |
|---|---|---|---|---|---|---|
| EpistaxisRespiratory, thoracic and mediastinal disorders | 2/12 | 2/16 | 2/20 | 0/22 | 0/17 | 3/38 |
| DiarrhoeaGastrointestinal disorders | 2/12 | 1/16 | 2/20 | 0/22 | 0/17 | 0/38 |
| Deep vein thrombosisVascular disorders | 2/12 | 0/16 | 1/20 | 0/22 | 0/17 | 1/38 |
| HeadacheNervous system disorders | 1/12 | 0/16 | 3/20 | 2/22 | 0/17 | 0/38 |
| PneumoniaInfections and infestations | 0/12 | 0/16 | 0/20 | 0/22 | 2/17 | 0/38 |
| Pleural effusionRespiratory, thoracic and mediastinal disorders | 1/12 | 0/16 | 2/20 | 0/22 | 1/17 | 2/38 |
| Lung infectionInfections and infestations | 1/12 | 0/16 | 2/20 | 0/22 | 0/17 | 2/38 |
| Urinary tract infectionInfections and infestations | 0/12 | 1/16 | 2/20 | 0/22 | 0/17 | 2/38 |
| Respiratory tract infectionInfections and infestations | 0/12 | 0/16 | 2/20 | 0/22 | 0/17 | 0/38 |
| AnxietyPsychiatric disorders | 0/12 | 0/16 | 2/20 | 0/22 | 0/17 | 0/38 |
Demographic and baseline characteristics were assessed in the Safety Population.
| Age, Categorical(Participants) | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg | Placebo | Total |
|---|---|---|---|---|---|---|---|
| <=18 years | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Between 18 and 65 years | 8 | 7 | 12 | 15 | 14 | 23 | 79 |
| >=65 years | 4 | 9 | 8 | 7 | 3 | 15 | 46 |
| Age, Continuous(years) | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg | Placebo | Total |
|---|---|---|---|---|---|---|---|
| Mean | 56.1 ± 16.3 | 62.1 ± 10.9 | 55.1 ± 17.5 | 55.0 ± 13.5 | 56.5 ± 9.8 | 58.3 ± 10.7 | 57.2 ± 13.0 |
| Sex: Female, Male(Participants) | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg | Placebo | Total |
|---|---|---|---|---|---|---|---|
| Female | 4 | 8 | 4 | 7 | 5 | 12 | 40 |
| Male | 8 | 8 | 16 | 15 | 12 | 26 | 85 |
| Race (NIH/OMB)(Participants) | Cohort 1: DS-1040b 20 mg | Cohort 2: DS-1040b 40 mg | Cohort 3: DS-1040b 60 mg | Cohort 4: DS-1040b 80 mg | Cohort 5: DS-1040b 40 mg | Placebo | Total |
|---|---|---|---|---|---|---|---|
| American Indian or Alaska Native | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Asian | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Native Hawaiian or Other Pacific Islander | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Black or African American | 0 | 0 | 1 | 0 | 1 | 3 | 5 |
| White | 12 | 15 | 19 | 22 | 16 | 34 | 118 |
| More than one race | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Unknown or Not Reported | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
Documents are hosted by the registry — open the source record to download them.
Plan to share: Yes — De-identified individual participant data (IPD) and applicable supporting clinical trial documents may be available upon request at https://vivli.org/. In cases where clinical trial data and supporting documents are provided pursuant to our company policies and procedures, Daiichi Sankyo will continue to protect the privacy of our clinical trial participants. Details on data sharing criteria and the procedure for requesting access can be found at this web address: https://vivli.org/ourmember/daiichi-sankyo/
Supporting information: Study protocol, Statistical analysis plan, Clinical study report
Time frame: Studies for which the medicine and indication have received European Union (EU) and United States (US), and/or Japan (JP) marketing approval on or after 01 January 2014 or by the US or EU or JP Health Authorities when regulatory submissions in all regions are not planned and after the primary study results have been accepted for publication.
Access criteria: Formal request from qualified scientific and medical researchers on IPD and clinical study documents from clinical trials supporting products submitted and licensed in the United States, the European Union and/or Japan from 01 January 2014 and beyond for the purpose of conducting legitimate research. This must be consistent with the principle of safeguarding study participants' privacy and consistent with provision of informed consent.
Data sharing details ↗ · vivli.org
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Studies of the drug tested here: DS-1040