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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/study/NCT02622321




Registration number
NCT02622321
Ethics application status
Date submitted
2/12/2015
Date registered
4/12/2015
Date last updated
24/06/2021

Titles & IDs
Public title
A Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of Prophylactic Emicizumab Versus no Prophylaxis in Hemophilia A Participants With Inhibitors
Scientific title
A Randomized, Multicenter, Open-Label, Phase III Clinical Trial to Evaluate the Efficacy, Safety, and Pharmacokinetics of Prophylactic Emicizumab Versus no Prophylaxis in Hemophilia A Patients With Inhibitors
Secondary ID [1] 0 0
2015-002866-21
Secondary ID [2] 0 0
BH29884
Universal Trial Number (UTN)
Trial acronym
HAVEN 1
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Hemophilia A 0 0
Condition category
Condition code
Blood 0 0 0 0
Clotting disorders
Human Genetics and Inherited Disorders 0 0 0 0
Other human genetics and inherited disorders

Intervention/exposure
Study type
Interventional(has expanded access)
Description of intervention(s) / exposure
Treatment: Drugs - Emicizumab
Treatment: Drugs - rFVIIa
Treatment: Drugs - aPCC

Experimental: Arm A: 1.5 mg/kg Emicizumab QW - Participants who were receiving episodic treatment with bypassing agents prior to study entry and were randomized to study Arm A started to receive emicizumab prophylaxis. Emicizumab was administered at a loading dose of 3 milligrams per kilogram (mg/kg) once a week (QW) subcutaneously (SC) for the first 4 weeks followed by a maintenance dose of 1.5 mg/kg emicizumab QW SC up to the end of study. Participants continued to receive bypassing agent therapy to treat any breakthrough bleeds.

Active comparator: Arm B (Control): No Prophylaxis, Then Emicizumab - Participants who were receiving episodic treatment with bypassing agents prior to study entry and were randomized to study Arm B continued with their prior episodic treatment regimen for the first 24 weeks of the study; they did not receive emicizumab prophylaxis during that time. After completing at least 24 weeks on study, participants in Arm B were allowed to switch to emicizumab prophylaxis (as described for Arm A) up to the end of study. Participants continued to receive bypassing agent therapy to treat any breakthrough bleeds.

Experimental: Arm C: 1.5 mg/kg Emicizumab QW - Participants who were receiving prophylactic bypassing agents prior to study entry were enrolled in Arm C to receive prophylactic emicizumab. Emicizumab was administered at a loading dose of 3 mg/kg QW SC for the first 4 weeks followed by a maintenance dose of 1.5 mg/kg emicizumab QW SC up to the end of study. Participants continued to receive bypassing agent therapy to treat any breakthrough bleeds.

Experimental: Arm D: 1.5 mg/kg Emicizumab QW - Participants who were either: 1) Receiving episodic bypassing agents prior to study entry but were unable to enroll in Arms A or B; or 2) Receiving bypassing agent prophylaxis prior to study entry but were unable to enroll in Arm C, were enrolled in Arm D to receive emicizumab prophylaxis. Emicizumab was administered at a loading dose of 3 mg/kg QW SC for the first 4 weeks followed by a maintenance dose of 1.5 mg/kg emicizumab QW SC up to the end of study. Participants continued to receive bypassing agent therapy to treat any breakthrough bleeds.


Treatment: Drugs: Emicizumab
Emicizumab will be administered at a loading dose of 3 milligrams per kilogram per week (mg/kg/week) subcutaneously (SC) for the first 4 weeks followed by a maintenance dose of 1.5 mg/kg/week SC up to the end of study. After at least 24 weeks on prophylactic emicizumab, individuals who experience suboptimal bleeding control on emicizumab (according to protocol-defined criteria) will have the opportunity to increase their dose to 3 mg/kg weekly.

Treatment: Drugs: rFVIIa
Participants will continue to receive rFVIIa.

Treatment: Drugs: aPCC
Participants will continue to receive aPCC.
Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Model-Based Annualized Bleed Rate (ABR) for Treated Bleeds, Arm A: Emicizumab Versus Arm B: No Prophylaxis
Timepoint [1] 0 0
From Baseline up to 24 weeks (median [min-max] efficacy observation periods in Arm A vs. Arm B: 29.29 [0.1-48.9] weeks vs. 24.14 [23.0-26.0] weeks)
Secondary outcome [1] 0 0
Model-Based Annualized Bleed Rate (ABR) for All Bleeds, Arm A: Emicizumab Versus Arm B: No Prophylaxis
Timepoint [1] 0 0
From Baseline up to 24 weeks (median [min-max] efficacy observation periods in Arm A vs. Arm B: 29.29 [0.1-48.9] weeks vs. 24.14 [23.0-26.0] weeks)
Secondary outcome [2] 0 0
Intra-Participant Comparison of the Model-Based Annualized Bleed Rate (ABR) for All Bleeds in Arm A: Emicizumab Versus Previous Episodic Bypassing Agents
Timepoint [2] 0 0
Median [min-max] efficacy observation periods: for Arm A, 1.5 mg/kg Emicizumab QW: 30.86 [0.1-48.9] weeks; for Arm A (NIS), Previous Episodic Bypassing Agents: 21.14 [10.6-33.9] weeks
Secondary outcome [3] 0 0
Intra-Participant Comparison of the Model-Based Annualized Bleed Rate (ABR) for Treated Bleeds in Arm A: Emicizumab Versus Previous Episodic Bypassing Agents
Timepoint [3] 0 0
Median [min-max] efficacy observation periods: for Arm A, 1.5 mg/kg Emicizumab QW: 30.86 [0.1-48.9] weeks; for Arm A (NIS), Previous Episodic Bypassing Agents: 21.14 [10.6-33.9] weeks
Secondary outcome [4] 0 0
Model-Based Annualized Bleed Rate (ABR) for Treated Joint Bleeds, Arm A: Emicizumab Versus Arm B: No Prophylaxis
Timepoint [4] 0 0
From Baseline up to 24 weeks (median [min-max] efficacy observation periods in Arm A vs. Arm B: 29.29 [0.1-48.9] weeks vs. 24.14 [23.0-26.0] weeks)
Secondary outcome [5] 0 0
Intra-Participant Comparison of the Model-Based Annualized Bleed Rate (ABR) for All Bleeds in Arm C: Emicizumab Versus Previous Prophylactic Bypassing Agents
Timepoint [5] 0 0
Median [min-max] efficacy observation periods: for Arm C, 1.5 mg/kg Emicizumab QW: 30.14 [6.9-45.3] weeks; for Arm C (NIS), Previous Prophylactic Bypassing Agents: 32.14 [8.1-49.3] weeks
Secondary outcome [6] 0 0
Intra-Participant Comparison of the Model-Based Annualized Bleed Rate (ABR) for Treated Bleeds in Arm C: Emicizumab Versus Previous Prophylactic Bypassing Agents
Timepoint [6] 0 0
Median [min-max] efficacy observation periods: for Arm C, 1.5 mg/kg Emicizumab QW: 30.14 [6.9-45.3] weeks; for Arm C (NIS), Previous Prophylactic Bypassing Agents: 32.14 [8.1-49.3] weeks
Secondary outcome [7] 0 0
Model-Based Annualized Bleed Rate (ABR) for Treated Spontaneous Bleeds, Arm A: Emicizumab Versus Arm B: No Prophylaxis
Timepoint [7] 0 0
From Baseline up to 24 weeks (median [min-max] efficacy observation periods in Arm A vs. Arm B: 29.29 [0.1-48.9] weeks vs. 24.14 [23.0-26.0] weeks)
Secondary outcome [8] 0 0
Model-Based Annualized Bleed Rate (ABR) for Treated Target Joint Bleeds, Arm A: Emicizumab Versus Arm B: No Prophylaxis
Timepoint [8] 0 0
From Baseline up to 24 weeks (median [min-max] efficacy observation periods in Arm A vs. Arm B: 29.29 [0.1-48.9] weeks vs. 24.14 [23.0-26.0] weeks)
Secondary outcome [9] 0 0
Mean Calculated Annualized Bleed Rates (ABR) for Treated Bleeds, All Bleeds, Treated Spontaneous Bleeds, Treated Joint Bleeds, and Treated Target Joint Bleeds, Arm A: Emicizumab Versus Arm B: No Prophylaxis
Timepoint [9] 0 0
From Baseline up to 24 weeks (median [min-max] efficacy observation periods in Arm A vs. Arm B: 29.29 [0.1-48.9] weeks vs. 24.14 [23.0-26.0] weeks)
Secondary outcome [10] 0 0
Median Calculated Annualized Bleed Rates (ABR) for Treated Bleeds, All Bleeds, Treated Spontaneous Bleeds, Treated Joint Bleeds, and Treated Target Joint Bleeds, Arm A: Emicizumab Versus Arm B: No Prophylaxis
Timepoint [10] 0 0
From Baseline up to 24 weeks (median [min-max] efficacy observation periods in Arm A vs. Arm B: 29.29 [0.1-48.9] weeks vs. 24.14 [23.0-26.0] weeks)
Secondary outcome [11] 0 0
Percentage of Participants With 0 Bleeds for Treated Bleeds, All Bleeds, Treated Spontaneous Bleeds, Treated Joint Bleeds, and Treated Target Joint Bleeds, Arm A: Emicizumab Versus Arm B: No Prophylaxis
Timepoint [11] 0 0
From Baseline up to 24 weeks (median [min-max] efficacy observation periods in Arm A vs. Arm B: 29.29 [0.1-48.9] weeks vs. 24.14 [23.0-26.0] weeks)
Secondary outcome [12] 0 0
Hemophilia-Specific Quality of Life (Haem-A-QoL) Questionnaire Physical Health Score at Week 25 in Adult Participants (>/=18 Years Old), Arm A: Emicizumab Versus Arm B: No Prophylaxis
Timepoint [12] 0 0
Week 25
Secondary outcome [13] 0 0
Haem-A-QoL Questionnaire Total Score at Week 25 in Adult Participants (>/=18 Years Old), Arm A: Emicizumab Versus Arm B: No Prophylaxis
Timepoint [13] 0 0
Week 25
Secondary outcome [14] 0 0
European Quality of Life-5 Dimensions-5 Levels (EQ-5D-5L) Visual Analog Scale Score at Week 25, Arm A: Emicizumab Versus Arm B: No Prophylaxis
Timepoint [14] 0 0
Week 25
Secondary outcome [15] 0 0
EQ-5D-5L Index Utility Score at Week 25, Arm A: Emicizumab Versus Arm B: No Prophylaxis
Timepoint [15] 0 0
Week 25
Secondary outcome [16] 0 0
Hemophilia-Specific Quality of Life - Short Form (Haemo-Qol-SF) Questionnaire Total Score at Baseline and Week 25 in Adolescent Participants (12-17 Years Old)
Timepoint [16] 0 0
Baseline and Week 25 (for Arm B (Emi), Study Weeks are relative to first emicizumab dose)
Secondary outcome [17] 0 0
Long-Term Efficacy of Emicizumab: Model-Based Annualized Bleed Rates (ABR) for Treated Bleeds, All Bleeds, Treated Spontaneous Bleeds, Treated Joint Bleeds, and Treated Target Joint Bleeds, All Enrolled Participants
Timepoint [17] 0 0
From start of emicizumab treatment to study completion (median [min-max] efficacy observation period for all participants: 109.29 [0.1-249.1] weeks)
Secondary outcome [18] 0 0
Long-Term Efficacy of Emicizumab: Mean Calculated Annualized Bleed Rates (ABR) for Treated Bleeds, All Bleeds, Treated Spontaneous Bleeds, Treated Joint Bleeds, and Treated Target Joint Bleeds, All Enrolled Participants
Timepoint [18] 0 0
From start of emicizumab treatment to study completion (median [min-max] efficacy observation period for all participants: 109.29 [0.1-249.1] weeks)
Secondary outcome [19] 0 0
Long-Term Efficacy of Emicizumab: Median Calculated Annualized Bleed Rates (ABR) for Treated Bleeds, All Bleeds, Treated Spontaneous Bleeds, Treated Joint Bleeds, and Treated Target Joint Bleeds, All Enrolled Participants
Timepoint [19] 0 0
From start of emicizumab treatment to study completion (median [min-max] efficacy observation period for all participants: 109.29 [0.1-249.1] weeks)
Secondary outcome [20] 0 0
Long-Term Efficacy of Emicizumab: Mean Calculated Annualized Bleed Rates (ABR) for Treated Bleeds Per 12-Week Intervals Over Time, All Enrolled Participants
Timepoint [20] 0 0
1-12, 13-24, 25-36, 37-48, 49-60, 61-72, 73-84, 85-96, 97-108, 109-120, 121-132, 133-144, 145-156, 157-168, 169-180, 181-192, 193-204, 205-216, 217-228, and 229-240 weeks
Secondary outcome [21] 0 0
Long-Term Efficacy of Emicizumab: Median Calculated Annualized Bleed Rates (ABR) for Treated Bleeds Per 12-Week Intervals Over Time, All Enrolled Participants
Timepoint [21] 0 0
1-12, 13-24, 25-36, 37-48, 49-60, 61-72, 73-84, 85-96, 97-108, 109-120, 121-132, 133-144, 145-156, 157-168, 169-180, 181-192, 193-204, 205-216, 217-228, and 229-240 weeks
Secondary outcome [22] 0 0
Long-Term Efficacy of Emicizumab: Mean Calculated Annualized Bleed Rates (ABR) for All Bleeds Per 12-Week Intervals Over Time, All Enrolled Participants
Timepoint [22] 0 0
1-12, 13-24, 25-36, 37-48, 49-60, 61-72, 73-84, 85-96, 97-108, 109-120, 121-132, 133-144, 145-156, 157-168, 169-180, 181-192, 193-204, 205-216, 217-228, and 229-240 weeks
Secondary outcome [23] 0 0
Long-Term Efficacy of Emicizumab: Median Calculated Annualized Bleed Rates (ABR) for All Bleeds Per 12-Week Intervals Over Time, All Enrolled Participants
Timepoint [23] 0 0
1-12, 13-24, 25-36, 37-48, 49-60, 61-72, 73-84, 85-96, 97-108, 109-120, 121-132, 133-144, 145-156, 157-168, 169-180, 181-192, 193-204, 205-216, 217-228, and 229-240 weeks
Secondary outcome [24] 0 0
Long-Term Efficacy of Emicizumab: Mean Calculated Annualized Bleed Rates (ABR) for Treated Spontaneous Bleeds Per 12-Week Intervals Over Time, All Enrolled Participants
Timepoint [24] 0 0
1-12, 13-24, 25-36, 37-48, 49-60, 61-72, 73-84, 85-96, 97-108, 109-120, 121-132, 133-144, 145-156, 157-168, 169-180, 181-192, 193-204, 205-216, 217-228, and 229-240 weeks
Secondary outcome [25] 0 0
Long-Term Efficacy of Emicizumab: Median Calculated Annualized Bleed Rates (ABR) for Treated Spontaneous Bleeds Per 12-Week Intervals Over Time, All Enrolled Participants
Timepoint [25] 0 0
1-12, 13-24, 25-36, 37-48, 49-60, 61-72, 73-84, 85-96, 97-108, 109-120, 121-132, 133-144, 145-156, 157-168, 169-180, 181-192, 193-204, 205-216, 217-228, and 229-240 weeks
Secondary outcome [26] 0 0
Safety Summary of the Overall Number and Percentage of Participants With at Least One Adverse Event, Severity Assessed According to the WHO Toxicity Grading Scale
Timepoint [26] 0 0
From Baseline until study completion (median [min-max] safety observation period for all participants: 133.97 [0.1-249.1] weeks)
Secondary outcome [27] 0 0
Number of Participants Testing Negative or Positive for the Presence of Anti-Drug Antibodies (ADAs), Including Neutralizing ADAs, During the Study
Timepoint [27] 0 0
From Baseline until study completion (median [min-max] safety observation period for all participants: 133.97 [0.1-249.1] weeks)
Secondary outcome [28] 0 0
Plasma Trough Concentrations of Emicizumab at Specified Timepoints
Timepoint [28] 0 0
Pre-dose (0 hour [hr]) on Weeks 1-5, 7, 9, 13, 17, 21, 25, 33, 41, 49, 61, 73, 85, 97, 109, 121, 133, 145, 157, and 169 (For Arm B (Emi), Study Weeks are relative to first emicizumab dose)

Eligibility
Key inclusion criteria
* Body weight >/= 40 kilograms (kg) at the time of screening
* Diagnosis of congenital hemophilia A of any severity and documented history of high-titer inhibitor ( that is [i.e.], >/= 5 Bethesda Units [BU])
* Documentation of treatment with episodic or prophylactic bypassing agents for at least the last 24 weeks
* >/= 6 bleeds in the last 24 weeks prior to screening (if on an episodic bypassing agent regimen) or >/=2 bleeds in the last 24 weeks prior to screening (if on a prophylactic bypassing agent regimen)
* Adequate hematologic, hepatic and renal function
* For women who are not postmenopausal or surgically sterile: agreement to remain abstinent or use single or combined highly effective contraceptive methods
Minimum age
12 Years
Maximum age
No limit
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
* Participants with inherited or acquired bleeding disorder other than hemophilia A
* Participants with ongoing (or plan to receive during the study) immune tolerance induction therapy or prophylaxis with Factor VIII (FVIII), with the exception of participants who have received a treatment regimen of FVIII prophylaxis with concurrent bypassing agent prophylaxis
* Previous (in the past 12 months) or current treatment for thromboembolic disease (with the exception of previous catheter-associated thrombosis for which antithrombotic treatment is not currently ongoing) or current signs of thromboembolic disease
* Participants with other conditions (for example [e.g.], certain autoimmune diseases) that may increase the risk of bleeding or thrombosis
* History of clinically significant hypersensitivity associated with monoclonal antibody therapies or components of the emicizumab injection
* Known human immunodeficiency virus (HIV) infection with cluster of differentiation 4 (CD4) count < 200 cells per microliter (cells/mcL) within 24 weeks prior to screening
* Use of systemic immunomodulators (e.g., interferon or rituximab) at enrolment or planned use during the study, with the exception of antiretroviral therapy
* Participants who are at high risk for thrombotic microangiopathy (TMA; e.g., have a previous medical or family history of TMA), in the investigator's judgment
* Concurrent disease, treatment, or abnormality in clinical laboratory tests that could interfere with the conduct of the study or that would, in the opinion of the investigator or Sponsor, preclude the participant's safe participation in and completion of the study or interpretation of the study results
* Planned surgery (excluding minor procedures such as tooth extraction or incision and drainage) during the study
* Receipt of emicizumab in a prior investigational study; An investigational drug to treat or reduce the risk of hemophilic bleeds within 5 half-lives of last drug administration; A non-hemophilia-related investigational drug within last 30 days or 5 half-lives, whichever is shorter; An investigational drug concurrently
* Unwillingness to use highly effective contraception methods for the specified duration in the protocol (females only, unless required otherwise by the local health authority)
* Clinically significant abnormality on screening evaluations or laboratory tests that, in the opinion of the investigator, may pose an additional risk in administering study drug to the participant
* Pregnancy or lactation, or intent to become pregnant during the study

Study design
Purpose of the study
Treatment
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Parallel
Other design features
Phase
Phase 3
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Completed
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
18/11/2015
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
1/12/2020
Sample size
Target
Accrual to date
Final
113
Recruitment in Australia
Recruitment state(s)
NSW,VIC
Recruitment hospital [1] 0 0
Royal Prince Alfred Hospital; Haematology - Camperdown
Recruitment hospital [2] 0 0
The Alfred Hospital, Melbourne; Thrombosis and Haemostasis Unit - Melbourne
Recruitment postcode(s) [1] 0 0
2050 - Camperdown
Recruitment postcode(s) [2] 0 0
3004 - Melbourne
Recruitment outside Australia
Country [1] 0 0
United States of America
State/province [1] 0 0
California
Country [2] 0 0
United States of America
State/province [2] 0 0
Colorado
Country [3] 0 0
United States of America
State/province [3] 0 0
Georgia
Country [4] 0 0
United States of America
State/province [4] 0 0
Massachusetts
Country [5] 0 0
United States of America
State/province [5] 0 0
Michigan
Country [6] 0 0
United States of America
State/province [6] 0 0
New York
Country [7] 0 0
United States of America
State/province [7] 0 0
Oregon
Country [8] 0 0
United States of America
State/province [8] 0 0
Pennsylvania
Country [9] 0 0
United States of America
State/province [9] 0 0
Texas
Country [10] 0 0
United States of America
State/province [10] 0 0
Washington
Country [11] 0 0
Costa Rica
State/province [11] 0 0
San Jose
Country [12] 0 0
France
State/province [12] 0 0
Bron
Country [13] 0 0
France
State/province [13] 0 0
Le Kremlin Bicetre
Country [14] 0 0
France
State/province [14] 0 0
Lille
Country [15] 0 0
France
State/province [15] 0 0
Paris
Country [16] 0 0
Germany
State/province [16] 0 0
Bonn
Country [17] 0 0
Germany
State/province [17] 0 0
Hamburg
Country [18] 0 0
Germany
State/province [18] 0 0
Mörfelden-Walldorf
Country [19] 0 0
Italy
State/province [19] 0 0
Lombardia
Country [20] 0 0
Italy
State/province [20] 0 0
Toscana
Country [21] 0 0
Japan
State/province [21] 0 0
Aichi
Country [22] 0 0
Japan
State/province [22] 0 0
Hiroshima
Country [23] 0 0
Japan
State/province [23] 0 0
Hyogo
Country [24] 0 0
Japan
State/province [24] 0 0
Kanagawa
Country [25] 0 0
Japan
State/province [25] 0 0
Kitakyushu-shi
Country [26] 0 0
Japan
State/province [26] 0 0
Nara
Country [27] 0 0
Japan
State/province [27] 0 0
Tokyo
Country [28] 0 0
Korea, Republic of
State/province [28] 0 0
Seoul
Country [29] 0 0
New Zealand
State/province [29] 0 0
Auckland
Country [30] 0 0
Poland
State/province [30] 0 0
Gdansk
Country [31] 0 0
Poland
State/province [31] 0 0
Lublin
Country [32] 0 0
Poland
State/province [32] 0 0
Poznan
Country [33] 0 0
Poland
State/province [33] 0 0
Warsaw
Country [34] 0 0
South Africa
State/province [34] 0 0
Johannesburg
Country [35] 0 0
Spain
State/province [35] 0 0
Madrid
Country [36] 0 0
Spain
State/province [36] 0 0
Sevilla
Country [37] 0 0
Spain
State/province [37] 0 0
Valencia
Country [38] 0 0
Taiwan
State/province [38] 0 0
Taipei City
Country [39] 0 0
United Kingdom
State/province [39] 0 0
Cardiff
Country [40] 0 0
United Kingdom
State/province [40] 0 0
London
Country [41] 0 0
United Kingdom
State/province [41] 0 0
Oxford

Funding & Sponsors
Primary sponsor type
Commercial sector/industry
Name
Hoffmann-La Roche
Address
Country
Other collaborator category [1] 0 0
Commercial sector/industry
Name [1] 0 0
Chugai Pharmaceutical
Address [1] 0 0
Country [1] 0 0

Ethics approval
Ethics application status

Summary
Brief summary
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Clinical Trials
Address 0 0
Hoffmann-La Roche
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for scientific queries

No information has been provided regarding IPD availability


What supporting documents are/will be available?

No Supporting Document Provided



Results publications and other study-related documents

No documents have been uploaded by study researchers.

Results not provided in https://clinicaltrials.gov/study/NCT02622321