Non-Alcoholic Fatty Liver DiseasePhase 4WELCOMENCT00760513
Treatment of Non Alcoholic Fatty Liver Disease With n-3 Fatty Acids
A Phase 4 study testing OMACOR in people with Non-Alcoholic Fatty Liver Disease, run by University Hospital Southampton NHS Foundation Trust at 1 site in United Kingdom.
Trial summary
Non alcoholic fatty liver disease (NAFLD) imposes a high and increasing burden on the NHS, yet there is presently no licensed treatment or validated approach to management. NAFLD predisposes to increased risk of type 2 diabetes, increased risk of cardiovascular disease and may progress to chronic irreversible liver… Read more about this study
- Who is it for?
- Ages 18 to 75 years
- Conditions the study is for
- Non-Alcoholic Fatty Liver Disease
- What is being tested?
- OMACOR
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 103 participants
- Where
- 1 siteUnited Kingdom
- Study dates
- 1 Nov 2009to 29 Nov 2018
- Phase
- Phase 4
- 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 18 to 75 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Steatohepatitis diagnosed on normal clinical grounds including in most cases liver biopsy and assessed by Kleiner scoring system to assess severity, with no known aetiological factors for underlying liver disease (e.g. exclusion of hepatitis A, B \& C, primary biliary cirrhosis, autoimmune hepatitis, haemochromatosis).
- Steatosis diagnosed by ultrasound, CT or magnetic resonance imaging who also have either diabetes and/or features of the metabolic syndrome, without evidence of known aetiological factors for underlying liver disease (e.g. exclusion of hepatitis A, B \& C, primary biliary cirrhosis, autoimmune hepatitis, haemochromatosis).
- Liver biopsy or liver scan will be within 3 years of recruitment to the study. Age: men \& women >18 years. Alcohol consumption <35 units / week for women <50 units / week for men).
Who cannot join
- Decompensated acute or chronic liver disease, or harmful drinking (> 35 u/week in women > 50 u /week in men).
Trial locations and contacts
1 site in 1 country.
United Kingdom1 site
Southamption General Hospital
Southampton, Hants, SO166YD
About this study
Official title: The Effects of Purified n-3 Fatty Acids on Serum Fibrosis Markers and Cardiovascular Risk Markers in a Randomized Placebo Controlled Trial in Patients With Non Alcoholic Fatty Liver Disease
Non alcoholic fatty liver disease (NAFLD) imposes a high and increasing burden on the NHS, yet there is presently no licensed treatment or validated approach to management. NAFLD predisposes to increased risk of type 2 diabetes, increased risk of cardiovascular disease and may progress to chronic irreversible liver disease.
In NAFLD patients, the investigators will test the hypothesis that treatment with long chain n-3 fatty acid supplementation for 18 months favourably influences bio-markers for NAFLD and risk factors for cardiovascular disease and type 2 diabetes.
Read the detailed description
We will recruit people with NAFLD who have been diagnosed as part of their NHS care with having this condition. At present there is no treatment for this condition. Over time a proportion of people with NAFLD.
Purpose and design
We are asking the research question ' Does treatment with purified long chain n-3 fatty acids (purified fish oil) improve non alcoholic fatty liver disease and risk factors for heart disease and type 2 (adult) diabetes that are strongly linked to this liver condition?'
Presently there is no treatment for this liver condition. Research evidence suggests that purified long chain n-3 fatty acids might be beneficial for this condition.
To address this research question we want to undertake a randomised double blind placebo controlled trial recruiting people who have been diagnosed with a liver biopsy as having the liver condition.
A protocol change that were approved during in the course of the study in October 2011.
In the protocol, we have deleted information regarding liver biopsy that was to be offered at the end of the study.
Having collated volunteer opinion and local consultant opinion, whereas a high proportion of volunteers were happy to undergo a follow up liver biopsy, our local hepatologists now consider that in 2011, the small risk of morbidity and mortality of volunteers undergoing liver biopsy is unacceptable, within the context of a research study. Their opinions have changed since 2008 when the initial LREC approval was granted.
Liver biopsy was always an optional extra and would only have been undertaken in a subgroup of the volunteers. Therefore, removal of liver biopsy from the protocol does not affect the validity of the study to test effects of the n-3 fatty acid intervention on biomarkers and liver fat in people with non alcoholic fatty liver disease.
Besides removal of liver biopsy from the protocol, we have clarified in the protocol, the end points of the study and numbers randomised to either n-3 fatty acid or placebo (n=100, as always intended). We have also made it clear in the amendment that measurement of liver fat is also a primary outcome of the study. (We already have permission to undertake this test but it was uncertain when the study was approved that we would have sufficient funding for this expensive test and it was originally not a primary outcome).
We have therefore added a power calculation (and cited the relevant literature) to show that with a sample size of n=100 people, based upon the known treatment effects of n-3 fatty acids on liver fat, we have acceptable power to detect the predicted decrease in this outcome with treatment.
- Conditions
- Non-Alcoholic Fatty Liver Disease
- Being tested
- OMACOR, Placebo oral capsule
- Keywords
- non alcoholic fatty liver disease, NAFLD, fish oil, intervention, RCT, biomarkers
- Medical subject headings
- Non-alcoholic Fatty Liver Disease
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
OMACORDrug
Also called Lovaza
4 grammes daily, oral capsule
Placebo oral capsuleDrug
Also called Dummy
4 grammes daily, oral capsule (olive oil)
| Study group | Role | What they receive |
|---|---|---|
| Omega 3 fatty acid (fish oil) | Active comparator | OMACOR (alternative name: Lovaza) 4 grammes daily, oral capsule Receives: Drug: OMACOR |
| dummy pill | Placebo comparator | 4 grammes daily, oral capsule (olive oil) Receives: Drug: Placebo oral capsule |
What is being measured
The primary outcome is the main question the study is designed to answer.
Percentage of Liver Fat
Percentage of liver fat was measured using magnetic resonance spectroscopy at baseline and end of study. High percentage values indicate a lot of liver fat (scale from 0 to 100%). Change in liver fat percentage represented the arithmetical difference between end of study liver fat percentage minus baseline measurement of liver fat percentage change in liver fat percentage was used to test whether the intervention decreased liver fat percentage. A negative change value in liver fat percentage indicates a response to therapy. A positive change value indicates no response to therapy.
Measured: Baseline and 18 months
Liver Fibrosis Score
The Liver Fibrosis Score is an algorithmically derived score of liver fibrosis comprising measurements of tissue matrix metalloproteinase-1 (TIMP-1), hyaluronic acid (HA) and the amino terminal end of procollagen III (PIIINP) (see Guha et al. in Reference section). The Score represents a number on a numerical scale from 0 to 20. High values of the score (measured in arbitrary units) indicate high probability of advanced liver fibrosis, low scores indicate low probability of advanced liver fibrosis. Change in Liver Fibrosis Score was used to test the intervention. Change in liver fibrosis score represented the change in measurement as calculated as the arithmetic difference between the end value minus the baseline value of the Liver Fibrosis Score. The change in Liver Fibrosis Score can therefore be negative (representing an improvement in liver fibrosis between baseline and end of study) or be positive, (representing a worsening a liver fibrosis between baseline and end of study.
Measured: Baseline and 18 months
NAFLD Fibrosis Score
The NAFLD fibrosis score represented a validated algorithmically-derived measure of liver fibrosis as reported in Angulo et al (see reference section). The Score is derived from anthropometric and biochemical measurements in subjects. The NAFLD fibrosis score represents an arbitrary number with no units from -5.0 to +5.0. High positive NAFLD fibrosis scores indicate a high probability of advanced liver fibrosis. Negative scores represent a low probability of advanced liver fibrosis. The change in NAFLD fibrosis score (measured in arbitrary units) was used to test the effect of the intervention and represented the arithmetic difference in the end minus baseline measurements of this score. Thus, a negative change in the Score in the Table represented an improvement in liver fibrosis score between baseline and the end of the study. A positive change in the Score in the Table represented a worsening in liver fibrosis score between baseline and end of the study.
Measured: Baseline and 18 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted26 Sep 2008 (estimated)
- Study start1 Nov 2009
- Primary completion1 Nov 2013
- Study completion29 Nov 2018
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 (12)Papers the sponsor has linked to this study.
- Other trials for Non-Alcoholic Fatty Liver DiseaseStudies of the same condition, open and under way.
- 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 4
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind
- Who is masked
- Investigator
- Enrolment
- 103 participants (actual)
Sponsor and investigators
- Lead sponsor
- University Hospital Southampton NHS Foundation Trust
- Sponsor type
- University, hospital or other
- Collaborators
- National Institute for Health Research, United Kingdom
- Responsible party
- Sponsor
- Investigators
- Christopher D Byrne, MBBCh PhD, Principal investigator, University of Southampton, UK
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00760513
- Sponsor's protocol ID
- 25-12-59. (R&D: RHM MED 0836)
- Other IDs
- 08/H0502/165
- Acronym
- WELCOME
- Status last verified
- Oct 2019
- First submitted
- 25 Sep 2008
- Last updated
- 25 Oct 2019
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
Publications
Scorletti E, Bhatia L, McCormick KG, Clough GF, Nash K, Calder PC, Byrne CD; WELCOME Trial Investigators. Design and rationale of the WELCOME trial: A randomised, placebo controlled study to test the efficacy of purified long chainomega-3 fatty acid treatment in non-alcoholic fatty liver disease [corrected]. Contemp Clin Trials. 2014 Mar;37(2):301-11. doi: 10.1016/j.cct.2014.02.002. Epub 2014 Feb 18.
PubMed 24556343Guha IN, Parkes J, Roderick P, Chattopadhyay D, Cross R, Harris S, Kaye P, Burt AD, Ryder SD, Aithal GP, Day CP, Rosenberg WM. Noninvasive markers of fibrosis in nonalcoholic fatty liver disease: Validating the European Liver Fibrosis Panel and exploring simple markers. Hepatology. 2008 Feb;47(2):455-60. doi: 10.1002/hep.21984.
PubMed 18038452Angulo P, Hui JM, Marchesini G, Bugianesi E, George J, Farrell GC, Enders F, Saksena S, Burt AD, Bida JP, Lindor K, Sanderson SO, Lenzi M, Adams LA, Kench J, Therneau TM, Day CP. The NAFLD fibrosis score: a noninvasive system that identifies liver fibrosis in patients with NAFLD. Hepatology. 2007 Apr;45(4):846-54. doi: 10.1002/hep.21496.
PubMed 17393509Scorletti E, Bhatia L, McCormick KG, Clough GF, Nash K, Hodson L, Moyses HE, Calder PC, Byrne CD; WELCOME Study. Effects of purified eicosapentaenoic and docosahexaenoic acids in nonalcoholic fatty liver disease: results from the Welcome* study. Hepatology. 2014 Oct;60(4):1211-21. doi: 10.1002/hep.27289.
PubMed 25043514Hodson L, Bhatia L, Scorletti E, Smith DE, Jackson NC, Shojaee-Moradie F, Umpleby M, Calder PC, Byrne CD. Docosahexaenoic acid enrichment in NAFLD is associated with improvements in hepatic metabolism and hepatic insulin sensitivity: a pilot study. Eur J Clin Nutr. 2017 Aug;71(8):973-979. doi: 10.1038/ejcn.2017.9. Epub 2017 Mar 15.
PubMed 28294174Clough GF, McCormick KG, Scorletti E, Bhatia L, Calder PC, Griffin MJ, Byrne CD. Higher body fat percentage is associated with enhanced temperature perception in NAFLD: results from the randomised Wessex Evaluation of fatty Liver and Cardiovascular markers in NAFLD with OMacor thErapy trial (WELCOME) trial. Diabetologia. 2016 Jul;59(7):1422-1429. doi: 10.1007/s00125-016-3966-8. Epub 2016 Apr 22.
PubMed 27106721Bhatia L, Scorletti E, Curzen N, Clough GF, Calder PC, Byrne CD. Improvement in non-alcoholic fatty liver disease severity is associated with a reduction in carotid intima-media thickness progression. Atherosclerosis. 2016 Mar;246:13-20. doi: 10.1016/j.atherosclerosis.2015.12.028. Epub 2015 Dec 24.
PubMed 26748347Byrne CD, Targher G. Time to Replace Assessment of Liver Histology With MR-Based Imaging Tests to Assess Efficacy of Interventions for Nonalcoholic Fatty Liver Disease. Gastroenterology. 2016 Jan;150(1):7-10. doi: 10.1053/j.gastro.2015.11.016. Epub 2015 Nov 18. No abstract available.
PubMed 26602219Scorletti E, West AL, Bhatia L, Hoile SP, McCormick KG, Burdge GC, Lillycrop KA, Clough GF, Calder PC, Byrne CD. Treating liver fat and serum triglyceride levels in NAFLD, effects of PNPLA3 and TM6SF2 genotypes: Results from the WELCOME trial. J Hepatol. 2015 Dec;63(6):1476-83. doi: 10.1016/j.jhep.2015.07.036. Epub 2015 Aug 10.
PubMed 26272871McCormick KG, Scorletti E, Bhatia L, Calder PC, Griffin MJ, Clough GF, Byrne CD. Impact of high dose n-3 polyunsaturated fatty acid treatment on measures of microvascular function and vibration perception in non-alcoholic fatty liver disease: results from the randomised WELCOME trial. Diabetologia. 2015 Aug;58(8):1916-25. doi: 10.1007/s00125-015-3628-2. Epub 2015 May 29.
PubMed 26021488Byrne CD, Targher G. Ectopic fat, insulin resistance, and nonalcoholic fatty liver disease: implications for cardiovascular disease. Arterioscler Thromb Vasc Biol. 2014 Jun;34(6):1155-61. doi: 10.1161/ATVBAHA.114.303034. Epub 2014 Apr 17.
PubMed 24743428Targher G, Byrne CD. Clinical Review: Nonalcoholic fatty liver disease: a novel cardiometabolic risk factor for type 2 diabetes and its complications. J Clin Endocrinol Metab. 2013 Feb;98(2):483-95. doi: 10.1210/jc.2012-3093. Epub 2013 Jan 4.
PubMed 23293330
Study at a glance
From the registry record, last updated by the sponsor on 25 Oct 2019. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- The Effects of Purified n-3 Fatty Acids on Serum Fibrosis Markers and Cardiovascular Risk Markers in a Randomized Placebo Controlled Trial in Patients With Non Alcoholic Fatty Liver Disease
- ClinicalTrials.gov ID
- NCT00760513
- Acronym / sponsor ID
- WELCOME / 25-12-59. (R&D: RHM MED 0836)
- Conditions
- Non-Alcoholic Fatty Liver Disease
- Keywords
- non alcoholic fatty liver disease, NAFLD, fish oil, intervention, RCT, biomarkers
- Phase
- Phase 4
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 103 participants (actual)
- Lead sponsor
- University Hospital Southampton NHS Foundation TrustUniversity, hospital or other
- Collaborators
- National Institute for Health Research, United Kingdom
- Study start
- 1 Nov 2009 (actual)
- Primary completion
- 1 Nov 2013 (actual)
- Study completion
- 29 Nov 2018 (actual)
- First posted
- 26 Sep 2008 (estimated)
- Results
- Posted 25 Oct 2019
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Non alcoholic fatty liver disease (NAFLD) imposes a high and increasing burden on the NHS, yet there is presently no licensed treatment or validated approach to management. NAFLD predisposes to increased risk of type 2 diabetes, increased risk of cardiovascular disease and may progress to chronic irreversible liver disease.
In NAFLD patients, the investigators will test the hypothesis that treatment with long chain n-3 fatty acid supplementation for 18 months favourably influences bio-markers for NAFLD and risk factors for cardiovascular disease and type 2 diabetes.
Detailed description
We will recruit people with NAFLD who have been diagnosed as part of their NHS care with having this condition. At present there is no treatment for this condition. Over time a proportion of people with NAFLD.
Purpose and design
We are asking the research question ' Does treatment with purified long chain n-3 fatty acids (purified fish oil) improve non alcoholic fatty liver disease and risk factors for heart disease and type 2 (adult) diabetes that are strongly linked to this liver condition?'
Presently there is no treatment for this liver condition. Research evidence suggests that purified long chain n-3 fatty acids might be beneficial for this condition.
To address this research question we want to undertake a randomised double blind placebo controlled trial recruiting people who have been diagnosed with a liver biopsy as having the liver condition.
A protocol change that were approved during in the course of the study in October 2011.
In the protocol, we have deleted information regarding liver biopsy that was to be offered at the end of the study.
Having collated volunteer opinion and local consultant opinion, whereas a high proportion of volunteers were happy to undergo a follow up liver biopsy, our local hepatologists now consider that in 2011, the small risk of morbidity and mortality of volunteers undergoing liver biopsy is unacceptable, within the context of a research study. Their opinions have changed since 2008 when the initial LREC approval was granted.
Liver biopsy was always an optional extra and would only have been undertaken in a subgroup of the volunteers. Therefore, removal of liver biopsy from the protocol does not affect the validity of the study to test effects of the n-3 fatty acid intervention on biomarkers and liver fat in people with non alcoholic fatty liver disease.
Besides removal of liver biopsy from the protocol, we have clarified in the protocol, the end points of the study and numbers randomised to either n-3 fatty acid or placebo (n=100, as always intended). We have also made it clear in the amendment that measurement of liver fat is also a primary outcome of the study. (We already have permission to undertake this test but it was uncertain when the study was approved that we would have sufficient funding for this expensive test and it was originally not a primary outcome).
We have therefore added a power calculation (and cited the relevant literature) to show that with a sample size of n=100 people, based upon the known treatment effects of n-3 fatty acids on liver fat, we have acceptable power to detect the predicted decrease in this outcome with treatment.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (investigator)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Omega 3 fatty acid (fish oil) | Active comparator | Drug: OMACOROMACOR (alternative name: Lovaza) 4 grammes daily, oral capsule |
| dummy pill | Placebo comparator | Drug: Placebo oral capsule4 grammes daily, oral capsule (olive oil) |
Who may qualify
- Ages
- 18 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (3 listed)
- Steatohepatitis diagnosed on normal clinical grounds including in most cases liver biopsy and assessed by Kleiner scoring system to assess severity, with no known aetiological factors for underlying liver disease (e.g. exclusion of hepatitis A, B \& C, primary biliary cirrhosis, autoimmune hepatitis, haemochromatosis).
- Steatosis diagnosed by ultrasound, CT or magnetic resonance imaging who also have either diabetes and/or features of the metabolic syndrome, without evidence of known aetiological factors for underlying liver disease (e.g. exclusion of hepatitis A, B \& C, primary biliary cirrhosis, autoimmune hepatitis, haemochromatosis).
- Liver biopsy or liver scan will be within 3 years of recruitment to the study. Age: men \& women >18 years. Alcohol consumption <35 units / week for women <50 units / week for men).
Key exclusion criteria (1 listed)
- Decompensated acute or chronic liver disease, or harmful drinking (> 35 u/week in women > 50 u /week in men).
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 |
|---|---|---|
| OMACORAlso: Lovaza4 grammes daily, oral capsule | Drug | Omega 3 fatty acid (fish oil) |
| Placebo oral capsuleAlso: Dummy4 grammes daily, oral capsule (olive oil) | Drug | dummy pill |
Primary outcome
Percentage of Liver Fat
Time frame: Baseline and 18 months
Percentage of liver fat was measured using magnetic resonance spectroscopy at baseline and end of study. High percentage values indicate a lot of liver fat (scale from 0 to 100%). Change in liver fat percentage represented the arithmetical difference between end of study liver fat percentage minus baseline measurement of liver fat percentage change in liver fat percentage was used to test whether the intervention decreased liver fat percentage. A negative change value in liver fat percentage indicates a response to therapy. A positive change value indicates no response to therapy.
Liver Fibrosis Score
Time frame: Baseline and 18 months
The Liver Fibrosis Score is an algorithmically derived score of liver fibrosis comprising measurements of tissue matrix metalloproteinase-1 (TIMP-1), hyaluronic acid (HA) and the amino terminal end of procollagen III (PIIINP) (see Guha et al. in Reference section). The Score represents a number on a numerical scale from 0 to 20. High values of the score (measured in arbitrary units) indicate high probability of advanced liver fibrosis, low scores indicate low probability of advanced liver fibrosis. Change in Liver Fibrosis Score was used to test the intervention. Change in liver fibrosis score represented the change in measurement as calculated as the arithmetic difference between the end value minus the baseline value of the Liver Fibrosis Score. The change in Liver Fibrosis Score can therefore be negative (representing an improvement in liver fibrosis between baseline and end of study) or be positive, (representing a worsening a liver fibrosis between baseline and end of study.
NAFLD Fibrosis Score
Time frame: Baseline and 18 months
The NAFLD fibrosis score represented a validated algorithmically-derived measure of liver fibrosis as reported in Angulo et al (see reference section). The Score is derived from anthropometric and biochemical measurements in subjects. The NAFLD fibrosis score represents an arbitrary number with no units from -5.0 to +5.0. High positive NAFLD fibrosis scores indicate a high probability of advanced liver fibrosis. Negative scores represent a low probability of advanced liver fibrosis. The change in NAFLD fibrosis score (measured in arbitrary units) was used to test the effect of the intervention and represented the arithmetic difference in the end minus baseline measurements of this score. Thus, a negative change in the Score in the Table represented an improvement in liver fibrosis score between baseline and the end of the study. A positive change in the Score in the Table represented a worsening in liver fibrosis score between baseline and end of the study.
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 25 Oct 2019.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Background: PubMed 24556343Scorletti E, Bhatia L, McCormick KG, Clough GF, Nash K, Calder PC, Byrne CD; WELCOME Trial Investigators. Design and rationale of the WELCOME trial: A randomised, placebo controlled study to test the efficacy of purified long chainomega-3 fatty acid treatment in non-alcoholic fatty liver disease [corrected]. Contemp Clin Trials. 2014 Mar;37(2):301-11. doi: 10.1016/j.cct.2014.02.002. Epub 2014 Feb 18.
- Background: PubMed 18038452Guha IN, Parkes J, Roderick P, Chattopadhyay D, Cross R, Harris S, Kaye P, Burt AD, Ryder SD, Aithal GP, Day CP, Rosenberg WM. Noninvasive markers of fibrosis in nonalcoholic fatty liver disease: Validating the European Liver Fibrosis Panel and exploring simple markers. Hepatology. 2008 Feb;47(2):455-60. doi: 10.1002/hep.21984.
- Background: PubMed 17393509Angulo P, Hui JM, Marchesini G, Bugianesi E, George J, Farrell GC, Enders F, Saksena S, Burt AD, Bida JP, Lindor K, Sanderson SO, Lenzi M, Adams LA, Kench J, Therneau TM, Day CP. The NAFLD fibrosis score: a noninvasive system that identifies liver fibrosis in patients with NAFLD. Hepatology. 2007 Apr;45(4):846-54. doi: 10.1002/hep.21496.
- Results publication: PubMed 25043514Scorletti E, Bhatia L, McCormick KG, Clough GF, Nash K, Hodson L, Moyses HE, Calder PC, Byrne CD; WELCOME Study. Effects of purified eicosapentaenoic and docosahexaenoic acids in nonalcoholic fatty liver disease: results from the Welcome* study. Hepatology. 2014 Oct;60(4):1211-21. doi: 10.1002/hep.27289.
- Derived from this study: PubMed 28294174Hodson L, Bhatia L, Scorletti E, Smith DE, Jackson NC, Shojaee-Moradie F, Umpleby M, Calder PC, Byrne CD. Docosahexaenoic acid enrichment in NAFLD is associated with improvements in hepatic metabolism and hepatic insulin sensitivity: a pilot study. Eur J Clin Nutr. 2017 Aug;71(8):973-979. doi: 10.1038/ejcn.2017.9. Epub 2017 Mar 15.
- Derived from this study: PubMed 27106721Clough GF, McCormick KG, Scorletti E, Bhatia L, Calder PC, Griffin MJ, Byrne CD. Higher body fat percentage is associated with enhanced temperature perception in NAFLD: results from the randomised Wessex Evaluation of fatty Liver and Cardiovascular markers in NAFLD with OMacor thErapy trial (WELCOME) trial. Diabetologia. 2016 Jul;59(7):1422-1429. doi: 10.1007/s00125-016-3966-8. Epub 2016 Apr 22.
- Derived from this study: PubMed 26748347Bhatia L, Scorletti E, Curzen N, Clough GF, Calder PC, Byrne CD. Improvement in non-alcoholic fatty liver disease severity is associated with a reduction in carotid intima-media thickness progression. Atherosclerosis. 2016 Mar;246:13-20. doi: 10.1016/j.atherosclerosis.2015.12.028. Epub 2015 Dec 24.
- Derived from this study: PubMed 26602219Byrne CD, Targher G. Time to Replace Assessment of Liver Histology With MR-Based Imaging Tests to Assess Efficacy of Interventions for Nonalcoholic Fatty Liver Disease. Gastroenterology. 2016 Jan;150(1):7-10. doi: 10.1053/j.gastro.2015.11.016. Epub 2015 Nov 18. No abstract available.
- Derived from this study: PubMed 26272871Scorletti E, West AL, Bhatia L, Hoile SP, McCormick KG, Burdge GC, Lillycrop KA, Clough GF, Calder PC, Byrne CD. Treating liver fat and serum triglyceride levels in NAFLD, effects of PNPLA3 and TM6SF2 genotypes: Results from the WELCOME trial. J Hepatol. 2015 Dec;63(6):1476-83. doi: 10.1016/j.jhep.2015.07.036. Epub 2015 Aug 10.
- Derived from this study: PubMed 26021488McCormick KG, Scorletti E, Bhatia L, Calder PC, Griffin MJ, Clough GF, Byrne CD. Impact of high dose n-3 polyunsaturated fatty acid treatment on measures of microvascular function and vibration perception in non-alcoholic fatty liver disease: results from the randomised WELCOME trial. Diabetologia. 2015 Aug;58(8):1916-25. doi: 10.1007/s00125-015-3628-2. Epub 2015 May 29.
- Derived from this study: PubMed 24743428Byrne CD, Targher G. Ectopic fat, insulin resistance, and nonalcoholic fatty liver disease: implications for cardiovascular disease. Arterioscler Thromb Vasc Biol. 2014 Jun;34(6):1155-61. doi: 10.1161/ATVBAHA.114.303034. Epub 2014 Apr 17.
- Derived from this study: PubMed 23293330Targher G, Byrne CD. Clinical Review: Nonalcoholic fatty liver disease: a novel cardiometabolic risk factor for type 2 diabetes and its complications. J Clin Endocrinol Metab. 2013 Feb;98(2):483-95. doi: 10.1210/jc.2012-3093. Epub 2013 Jan 4.
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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.
Christopher D Byrne, MBBCh PhD principal investigator
University of Southampton, UK
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 4 study testing OMACOR in people with Non-Alcoholic Fatty Liver Disease, run by University Hospital Southampton NHS Foundation Trust at 1 site in United Kingdom.
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 3 inclusion and 1 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 25 Oct 2019. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United Kingdom. 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. Some participants in this study may receive a placebo. 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 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.
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 25 Oct 2019). 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?
Percentage of Liver Fat (time frame: Baseline and 18 months). The study lists 3 primary outcomes in all. 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 NCT00760513, which also lists 12 linked publications.
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 25 Oct 2019.