Hepatitis CPhase 3NCT01579474
Japanese Pegylated Interferon (PegIFN) Alfa-2b/Ribavirin (RBV) Combination Trial
A Phase 3 study testing BI 201335 high dose and BI 201335 low dose in people with Hepatitis C, run by Boehringer Ingelheim at 24 sites in Japan.
Trial summary
The aim of this trial is to evaluate the safety and efficacy of BI 201335 given for 12 or 24 weeks in combination with PegIFN alfa-2b/RBV given for 24 or 48 weeks in chronic genotype 1 hepatitis C virus infected treatment-naïve and treatment-experienced Japanese patients Read more about this study
- Who is it for?
- Ages 20 to 70 years
- Conditions the study is for
- Hepatitis C
- What is being tested?
- BI 201335 high dose and BI 201335 low dose
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 131 participants
- Where
- 24 sitesJapan
- Study dates
- Apr 2012to Dec 2013
- Phase
- Phase 3
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 20 to 70 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Chronic hepatitis C infection, diagnosed by positive anti-HCV antibodies and detected HCV RNA at screening in addition to:
- positive anti-HCV antibodies or detected HCV RNA at least 6 months before screening; or,
- liver biopsy consistent with chronic HCV infection.
- HCV genotype 1 infection confirmed by genotypic testing at screening
- (For Cohort 1 only) Therapy-naïve to interferon, pegylated interferon, and ribavirin (For Cohort 2 only) Confirmed prior virological failure (null response, partial response, breakthrough or relapse) with an approved dose of PegIFN alfa/RBV or IFN beta/RBV for at least 12 weeks and with an 8-week washout period before screening
- HCV RNA = 100,000 IU/mL at screening
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- Documentation of a liver biopsy within 3 years or fibroscan within 6 months before randomization (Visit 2)
- Age 20 to 70 years
- Female patients who are infertile or who are of childbearing potential with a negative pregnancy test and agreeing to use one accepted method of birth control in addition to the use of a condom by their male partners.
- or Male patients who are infertile, who are without pregnant female partners or who consistently and correctly use condoms.
- Signed informed consent form before trial participation
Who cannot join
- HCV infection of mixed genotype (1/2, 1/3, and 1/4) diagnosed by genotypic testing at screening,
- Evidence of acute or chronic liver disease due to causes other than chronic HCV infection. Steatosis diagnosed incidentally (e.g. by biopsy) without clinical relevance is not an exclusion criterion.
- HIV co-infection,
- Hepatitis B virus (HBV) infection based on presence of hepatitis B surface antigen (HBsAg),
- Active malignancy, or history of malignancy within the last 5 years prior to screening (with an exception of appropriately treated basal cell carcinoma of the skin or in situ carcinoma of the uterine cervix),
- Active or, history of alcohol or illicit drug abuse within the past 12 months,
Show all 14Show fewer
- A condition that is defined as one which in the opinion of investigator may put the patient at risk because of participation in this study, may influence the results of this study, or limit the patient's ability to participate in this study,
- Usage of any investigational drugs within 30 days prior to screening, or planned usage of an investigational drug during the course of this study,
- Received concomitant systemic antiviral, hematopoietic growth factor, or immunomodulatory treatment within 30 days prior to screening. Patients being treated with oral antivirals such as acyclovir, famciclovir or valacyclovir for recurrent herpes simplex infection; or with oseltamivir or zanamivir for influenza A infection, may be screened,
- Received silymarin (milk thistle), glycyrrhizin (Stronger Neo-Minophagen C; SNMC), or Sho-saiko-to (SST) within 28 days prior to randomization (Visit 2) and throughout the treatment phase of this trial,
- (For Cohort 2 only) Patients who have been previously treated with at least one dose of any antiviral or immunomodulatory drug other than (pegylated) interferon alfa, interferon beta or ribavirin for acute or chronic HCV infection including and not restricted to protease or polymerase inhibitors,
- Known hypersensitivity to any ingredient of the study drugs,
- Alpha fetoprotein value >100 ng/mL at screening; if >20 ng/mL and =100 ng/mL, patients may be included if there is no evidence of liver cancer in an appropriate imaging study (e.g., ultrasound, CT scan, or MRI) within last 6 months prior to randomization (Visit 2),
- Other exclusion criteria related to pegylated interferon and/or ribavirin restrictions are not listed here.
Trial locations and contacts
24 sites in 1 country.
24 sites in 1 country
Japan24 sites
1220.54.08104 Boehringer Ingelheim Investigational Site
Chuo-ku, Chiba
1220.54.08118 Boehringer Ingelheim Investigational Site
Chuo-ku, Kobe, Hyogo
1220.54.08108 Boehringer Ingelheim Investigational Site
Fukui, Fukui
1220.54.08110 Boehringer Ingelheim Investigational Site
Gifu, Gifu
1220.54.08105 Boehringer Ingelheim Investigational Site
Itabashi-ku, Tokyo
1220.54.08112 Boehringer Ingelheim Investigational Site
Izunokuni, Shizuoka
1220.54.08107 Boehringer Ingelheim Investigational Site
Kanazawa, Ishikawa
1220.54.08120 Boehringer Ingelheim Investigational Site
Kita-gun, Kagawa
1220.54.08109 Boehringer Ingelheim Investigational Site
Kofu, Yamanashi
1220.54.08123 Boehringer Ingelheim Investigational Site
Kurume, Fukuoka
1220.54.08121 Boehringer Ingelheim Investigational Site
Mtsuyama, Ehime
1220.54.08113 Boehringer Ingelheim Investigational Site
Nagoya, Aichi
1220.54.08117 Boehringer Ingelheim Investigational Site
Nishinomiya, Hyogo
1220.54.08111 Boehringer Ingelheim Investigational Site
Ogaki, Gifu
1220.54.08124 Boehringer Ingelheim Investigational Site
Oo Mura, Nagasaki,
1220.54.08115 Boehringer Ingelheim Investigational Site
Osaka, Osaka
1220.54.08116 Boehringer Ingelheim Investigational Site
Osakasayama, Osaka
1220.54.08101 Boehringer Ingelheim Investigational Site
Sapporo, Hokkaido
1220.54.08102 Boehringer Ingelheim Investigational Site
Sendai, Miyagi
1220.54.08119 Boehringer Ingelheim Investigational Site
Tanabe, Wakayama
1220.54.08106 Boehringer Ingelheim Investigational Site
Toyama,Toyama
1220.54.08114 Boehringer Ingelheim Investigational Site
Tsu, Mie
1220.54.08122 Boehringer Ingelheim Investigational Site
Yahatanishi-ku, Kitakyusyu, Fukuoka
1220.54.08125 Boehringer Ingelheim Investigational Site
Yamagata, Yamagata
About this study
Official title: Safety, Efficacy and Pharmacokinetics of BI 201335 NA in Patient With Genotype 1 Chronic Hepatitis C Virus Infection in Combination With Pegylated Interferon Alfa-2b and Ribavirin - Cohort 1 for Treatment-naive Patients: Randomised, Double-blind Part of BI 201335 NA for 12 or 24 Weeks - Cohort 2 for Treatment-experienced Patients: Open-label Part of BI 201335 NA for 24 Weeks
The aim of this trial is to evaluate the safety and efficacy of BI 201335 given for 12 or 24 weeks in combination with PegIFN alfa-2b/RBV given for 24 or 48 weeks in chronic genotype 1 hepatitis C virus infected treatment-naïve and treatment-experienced Japanese patients
- Conditions
- Hepatitis C
- Being tested
- BI 201335 high dose, BI 201335 low dose
- Medical subject headings
- Hepatitis C
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
BI 201335 high doseDrug
BI 201335 high dose with PegIFN/RBV
BI 201335 low doseDrug
BI 201335 low dose with PegIFN/RBV
BI 201335 high doseDrug
BI 201335 high dose with PegIFN/RBV
BI 201335 high doseDrug
BI 201335 high dose with PegIFN/RBV
| Study group | Role | What they receive |
|---|---|---|
| 1. BI 201335 low dose plus PegIFN/RBV | Experimental | low dose BI 201335 NA once daily for 12 or 24 weeks combined with PegIFN/RBV for 24 or 48 weeks in treatment-naive patients Receives: Drug: BI 201335 low dose |
| 2. BI 201335 high dose plus PegIFN/RBV | Experimental | high dose BI 201335 NA once daily for 12 weeks combined with PegIFN/RBV for 24 or 48 weeks in treatment-naive patients Receives: Drug: BI 201335 high dose |
| 3. BI 201335 high dose plus PegIFN/RBV | Experimental | high dose BI 201335 NA once daily for 24 weeks combined with PegIFN/RBV for 24 or 48 weeks in treatment-experienced (relapser) patients Receives: Drug: BI 201335 high dose |
| 4. BI 201335 high dose plus PegIFN/RBV | Experimental | high dose BI 201335 NA once daily for 24 weeks combined with PegIFN/RBV for 48 weeks in treatment-experienced (null responder, partial responder, breakthrough) patients Receives: Drug: BI 201335 high dose |
What is being measured
The primary outcome is the main question the study is designed to answer.
Number of Patients With Investigator Defined Drug-related Adverse Events
Drug-related AEs were defined as those whose causal relationship with any one of the investigational products was considered by the investigator.
Measured: Up to 52 weeks
Secondary outcomes (11)
Sustained Virological Response (SVR12), Defined as Plasma HCV RNA Undetectable at 12 Weeks After End of Treatment (EOT)
Plasma hepatitis C virus (HCV) ribonucleic acid (RNA) level <25 IU/mL (undetected) 12 weeks after the originally planned treatment duration
Measured: EOT (up to Week 24 or 48) and 12 weeks after the EOT (up to Week 36 or 60)
Sustained Virological Response (SVR24), Defined as Plasma HCV RNA Undetectable at 24 Weeks After End of Treatment (EOT)
Plasma HCV RNA level <25 IU/mL (undetected) 24 weeks after the originally planned treatment duration
Measured: EOT (up to Week 24 or 48) and 24 weeks after the EOT (up to Week 48 or 72)
Early Treatment Success (ETS), Defined as Plasma HCV RNA <25 IU/mL at Week 4 and HCV RNA Undetectable at Week 8
Plasma HCV RNA level <25 IU/mL (detected or undetected) at Week 4 and HCV RNA <25 IU/mL (undetected) at Week 8
Measured: up to 8 weeks
Alanine Aminotransferase (ALT) Normalisation: ALT in Normal Range at End of Treatment (EOT) When SVR12=YES
This will be presented as the number of patients. SVR12 means Sustained virological response 12 weeks post-treatment. BL = Baseline
Measured: EOT (up to Week 24 or 48)
Alanine Aminotransferase (ALT) Normalisation: ALT in Normal Range at End of Treatment (EOT) When SVR12= NO
This will be presented as the number of patients. SVR12 means Sustained virological response 12 weeks post-treatment. BL = Baseline
Measured: EOT (up to Week 24 or 48)
Alanine Aminotransferase (ALT) Normalisation: ALT in Normal Range at Sustained Virological Response 12 Weeks Post-treatment (SVR12) Visit, When SVR12=YES
This will be presented as the number of patients. SVR12 means Sustained virological response 12 weeks post-treatment. BL = Baseline
Measured: 12 weeks after the EOT (up to Week 36 or 60)
Alanine Aminotransferase (ALT) Normalisation: ALT in Normal Range at Sustained Virological Response 12 Weeks Post-treatment (SVR12) Visit, When SVR12=NO
This will be presented as the number of patients. SVR12 means Sustained virological response 12 weeks post-treatment. BL = Baseline
Measured: 12 weeks after the EOT (up to Week 36 or 60)
Aspartate Aminotransferase (AST) Normalisation: AST in Normal Range at End of Treatment (EOT) When SVR12=YES
This will be presented as the number of patients. SVR12 means Sustained virological response 12 weeks post-treatment. BL = Baseline
Measured: EOT (up to Week 24 or 48)
Aspartate Aminotransferase (AST) Normalisation: AST in Normal Range at End of Treatment (EOT) When SVR12=NO
This will be presented as the number of patients. SVR12 means Sustained virological response 12 weeks post-treatment. BL = Baseline
Measured: EOT (up to Week 24 or 48)
Aspartate Aminotransferase (AST) Normalisation: AST in Normal Range at Sustained Virological Response 12 Weeks Post-treatment (SVR12) Visit, When SVR12=YES
This will be presented as the number of patients. SVR12 means Sustained virological response 12 weeks post-treatment. BL = Baseline
Measured: 12 weeks after the EOT (up to Week 36 or 60)
Aspartate Aminotransferase (AST) Normalisation: AST in Normal Range at Sustained Virological Response 12 Weeks Post-treatment (SVR12) Visit, When SVR12=NO
This will be presented as the number of patients. SVR12 means Sustained virological response 12 weeks post-treatment. BL = Baseline
Measured: 12 weeks after the EOT (up to Week 36 or 60)
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted18 Apr 2012 (estimated)
- Study startApr 2012
- Primary completionDec 2013
- Study completionDec 2013
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Hepatitis CStudies of the same condition, open and under way.
- More trials run by Boehringer IngelheimThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Enrolment
- 131 participants (actual)
Sponsor and investigators
- Lead sponsor
- Boehringer Ingelheim
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Boehringer Ingelheim, Study chair, Boehringer Ingelheim
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01579474
- Sponsor's protocol ID
- 1220.54
- Status last verified
- Jul 2015
- First submitted
- 12 Apr 2012
- Last updated
- 3 Aug 2015
- Results posted
- Yes, on ClinicalTrials.gov
Publications
Nishiguchi S, Urano Y, Suzaki K, Taniguchi A, Scherer J, Berger KL, Quinson AM, Stern JO, Omata M. Safety and efficacy of faldaprevir in combination with pegylated interferon alpha-2b and ribavirin in Japanese patients with genotype-1 chronic hepatitis C virus infection. Hepatol Res. 2017 Mar;47(3):E142-E151. doi: 10.1111/hepr.12741. Epub 2016 Aug 10.
PubMed 27153246
Study at a glance
From the registry record, last updated by the sponsor on 3 Aug 2015. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Safety, Efficacy and Pharmacokinetics of BI 201335 NA in Patient With Genotype 1 Chronic Hepatitis C Virus Infection in Combination With Pegylated Interferon Alfa-2b and Ribavirin - Cohort 1 for Treatment-naive Patients: Randomised, Double-blind Part of BI 201335 NA for 12 or 24 Weeks - Cohort 2 for Treatment-experienced Patients: Open-label Part of BI 201335 NA for 24 Weeks
- ClinicalTrials.gov ID
- NCT01579474
- Acronym / sponsor ID
- 1220.54
- Conditions
- Hepatitis C
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 131 participants (actual)
- Lead sponsor
- Boehringer IngelheimIndustry (pharma, biotech, devices)
- Study start
- Apr 2012
- Primary completion
- Dec 2013 (actual)
- Study completion
- Dec 2013 (actual)
- First posted
- 18 Apr 2012 (estimated)
- Results
- Posted 3 Aug 2015
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The aim of this trial is to evaluate the safety and efficacy of BI 201335 given for 12 or 24 weeks in combination with PegIFN alfa-2b/RBV given for 24 or 48 weeks in chronic genotype 1 hepatitis C virus infected treatment-naïve and treatment-experienced Japanese patients
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Number of arms
- 4
| Arm | Type | Receives |
|---|---|---|
| 1. BI 201335 low dose plus PegIFN/RBV | Experimental | Drug: BI 201335 low doselow dose BI 201335 NA once daily for 12 or 24 weeks combined with PegIFN/RBV for 24 or 48 weeks in treatment-naive patients |
| 2. BI 201335 high dose plus PegIFN/RBV | Experimental | Drug: BI 201335 high dosehigh dose BI 201335 NA once daily for 12 weeks combined with PegIFN/RBV for 24 or 48 weeks in treatment-naive patients |
| 3. BI 201335 high dose plus PegIFN/RBV | Experimental | Drug: BI 201335 high dosehigh dose BI 201335 NA once daily for 24 weeks combined with PegIFN/RBV for 24 or 48 weeks in treatment-experienced (relapser) patients |
| 4. BI 201335 high dose plus PegIFN/RBV | Experimental | Drug: BI 201335 high dosehigh dose BI 201335 NA once daily for 24 weeks combined with PegIFN/RBV for 48 weeks in treatment-experienced (null responder, partial responder, breakthrough) patients |
Who may qualify
- Ages
- 20 to 70 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (11 listed)
- Chronic hepatitis C infection, diagnosed by positive anti-HCV antibodies and detected HCV RNA at screening in addition to:
- HCV genotype 1 infection confirmed by genotypic testing at screening
- (For Cohort 1 only) Therapy-naïve to interferon, pegylated interferon, and ribavirin (For Cohort 2 only) Confirmed prior virological failure (null response, partial response, breakthrough or relapse) with an approved dose of PegIFN alfa/RBV or IFN beta/RBV for at least 12 weeks and with an 8-week washout period before screening
- HCV RNA = 100,000 IU/mL at screening
- Documentation of a liver biopsy within 3 years or fibroscan within 6 months before randomization (Visit 2)
Key exclusion criteria (14 listed)
- HCV infection of mixed genotype (1/2, 1/3, and 1/4) diagnosed by genotypic testing at screening,
- Evidence of acute or chronic liver disease due to causes other than chronic HCV infection. Steatosis diagnosed incidentally (e.g. by biopsy) without clinical relevance is not an exclusion criterion.
- HIV co-infection,
- Hepatitis B virus (HBV) infection based on presence of hepatitis B surface antigen (HBsAg),
- Active malignancy, or history of malignancy within the last 5 years prior to screening (with an exception of appropriately treated basal cell carcinoma of the skin or in situ carcinoma of the uterine cervix),
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| BI 201335 high doseBI 201335 high dose with PegIFN/RBV | Drug | 2. BI 201335 high dose plus PegIFN/RBV |
| BI 201335 low doseBI 201335 low dose with PegIFN/RBV | Drug | 1. BI 201335 low dose plus PegIFN/RBV |
| BI 201335 high doseBI 201335 high dose with PegIFN/RBV | Drug | 3. BI 201335 high dose plus PegIFN/RBV |
| BI 201335 high doseBI 201335 high dose with PegIFN/RBV | Drug | 4. BI 201335 high dose plus PegIFN/RBV |
Primary outcome
Number of Patients With Investigator Defined Drug-related Adverse Events
Time frame: Up to 52 weeks
Drug-related AEs were defined as those whose causal relationship with any one of the investigational products was considered by the investigator.
11 secondary outcomes
Sustained Virological Response (SVR12), Defined as Plasma HCV RNA Undetectable at 12 Weeks After End of Treatment (EOT)
Time frame: EOT (up to Week 24 or 48) and 12 weeks after the EOT (up to Week 36 or 60)
Sustained Virological Response (SVR24), Defined as Plasma HCV RNA Undetectable at 24 Weeks After End of Treatment (EOT)
Time frame: EOT (up to Week 24 or 48) and 24 weeks after the EOT (up to Week 48 or 72)
Early Treatment Success (ETS), Defined as Plasma HCV RNA <25 IU/mL at Week 4 and HCV RNA Undetectable at Week 8
Time frame: up to 8 weeks
Alanine Aminotransferase (ALT) Normalisation: ALT in Normal Range at End of Treatment (EOT) When SVR12=YES
Time frame: EOT (up to Week 24 or 48)
Alanine Aminotransferase (ALT) Normalisation: ALT in Normal Range at End of Treatment (EOT) When SVR12= NO
Time frame: EOT (up to Week 24 or 48)
Alanine Aminotransferase (ALT) Normalisation: ALT in Normal Range at Sustained Virological Response 12 Weeks Post-treatment (SVR12) Visit, When SVR12=YES
Time frame: 12 weeks after the EOT (up to Week 36 or 60)
Alanine Aminotransferase (ALT) Normalisation: ALT in Normal Range at Sustained Virological Response 12 Weeks Post-treatment (SVR12) Visit, When SVR12=NO
Time frame: 12 weeks after the EOT (up to Week 36 or 60)
Aspartate Aminotransferase (AST) Normalisation: AST in Normal Range at End of Treatment (EOT) When SVR12=YES
Time frame: EOT (up to Week 24 or 48)
Aspartate Aminotransferase (AST) Normalisation: AST in Normal Range at End of Treatment (EOT) When SVR12=NO
Time frame: EOT (up to Week 24 or 48)
Aspartate Aminotransferase (AST) Normalisation: AST in Normal Range at Sustained Virological Response 12 Weeks Post-treatment (SVR12) Visit, When SVR12=YES
Time frame: 12 weeks after the EOT (up to Week 36 or 60)
Aspartate Aminotransferase (AST) Normalisation: AST in Normal Range at Sustained Virological Response 12 Weeks Post-treatment (SVR12) Visit, When SVR12=NO
Time frame: 12 weeks after the EOT (up to Week 36 or 60)
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 3 Aug 2015.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Derived from this study: PubMed 27153246Nishiguchi S, Urano Y, Suzaki K, Taniguchi A, Scherer J, Berger KL, Quinson AM, Stern JO, Omata M. Safety and efficacy of faldaprevir in combination with pegylated interferon alpha-2b and ribavirin in Japanese patients with genotype-1 chronic hepatitis C virus infection. Hepatol Res. 2017 Mar;47(3):E142-E151. doi: 10.1111/hepr.12741. Epub 2016 Aug 10.
- Related InfoLink provided by the sponsor.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Boehringer Ingelheim study chair
Boehringer Ingelheim
24 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing BI 201335 high dose and BI 201335 low dose in people with Hepatitis C, run by Boehringer Ingelheim at 24 sites in Japan.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 11 inclusion and 14 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 3 Aug 2015. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 24 sites in Japan. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 3 Aug 2015). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Number of Patients With Investigator Defined Drug-related Adverse Events (time frame: Up to 52 weeks). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT01579474, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 3 Aug 2015.