Cardiovascular DiseasePhase 4SPARCLNCT00147602
Lipitor In The Prevention Of Stroke, For Patients Who Have Had A Previous Stroke
A Phase 4 study testing atorvastatin in people with Cardiovascular Disease, run by Pfizer at 130 sites in 25 countries.
Trial summary
To determine whether Lipitor reduces stroke, compared to placebo in patients who have had a previous stroke or transient ischemic attack. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Cardiovascular Disease
- What is being tested?
- atorvastatin
- How many people
- 4,732 participants
- Where
- 130 sitesin 25 countries
- Study dates
- Nov 1998to Nov 2005
- Phase
- Phase 4
- Are there results?
- None posted in the registry
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 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Previous stroke or TIA
Who cannot join
- coronary heart disease
Trial locations and contacts
130 sites in 25 countries.
130 sites in 25 countries
Spain16 sites
Pfizer Investigational Site
Alicante, Alicante, 03010
Pfizer Investigational Site
Barcelona, Barcelona, 08035
Pfizer Investigational Site
Barcelona, Barcelona, 08036
Pfizer Investigational Site
Burgos, Burgos, 09005
Pfizer Investigational Site
Girona, Girona, 17007
Pfizer Investigational Site
L'Hospitalet (bcn), Barcelona, 08907
Pfizer Investigational Site
Málaga, Malaga, 29010
Pfizer Investigational Site
Madrid, Madrid, 28006
Pfizer Investigational Site
Madrid, Madrid, 28040
Pfizer Investigational Site
Madrid, Madrid, 28046
Pfizer Investigational Site
Palma de Mallorca, 07014
Pfizer Investigational Site
Seville, Sevilla, 41009
Pfizer Investigational Site
Seville, Sevilla, 41013
Pfizer Investigational Site
Seville, Sevilla, 41014
Pfizer Investigational Site
Valencia, Valencia, 46009
Pfizer Investigational Site
Zaragoza, Zaragoza, 50009
Germany12 sites
Pfizer Investigational Site
Bad Rodach, 96476
Pfizer Investigational Site
Berlin, 10117
Pfizer Investigational Site
Essen, 45122
Pfizer Investigational Site
Heidelberg
Pfizer Investigational Site
Leipzig, 04103
Pfizer Investigational Site
Mannheim, 69135
Pfizer Investigational Site
Minden, 32427
Pfizer Investigational Site
München, 81377
Pfizer Investigational Site
München, 81545
Pfizer Investigational Site
München, 81675
Pfizer Investigational Site
Münster, 48149
Pfizer Investigational Site
Regensburg, 93053
France8 sites
Pfizer Investigational Site
Besançon, 25030
Pfizer Investigational Site
Bourg-en-Bresse, Cedex, 01012
Pfizer Investigational Site
Marseille, 13385
Pfizer Investigational Site
Nice, 06000
Pfizer Investigational Site
Paris, Cedex 20, 75970
Pfizer Investigational Site
Paris, 75018
Pfizer Investigational Site
Saint-Denis, Cedex 1, 93205
Pfizer Investigational Site
Toulouse, Cedex 3, 31059
Poland8 sites
Pfizer Investigational Site
Bialystok, 15-276
Pfizer Investigational Site
Krakow, 31-503
Pfizer Investigational Site
Lublin, 20-954
Pfizer Investigational Site
Poznan, 30-355
Pfizer Investigational Site
Sosnowiec, 41-200
Pfizer Investigational Site
Warsaw, 01-211
Pfizer Investigational Site
Warsaw, 02 - 957
Pfizer Investigational Site
Wroclaw, 50-420
United Kingdom8 sites
Pfizer Investigational Site
Aberdeen, AB25 2ZN
Pfizer Investigational Site
Cardiff, CF4 4XW
Pfizer Investigational Site
Dundee, Scotland, DD1 9SY
Pfizer Investigational Site
Glasgow, G11 6NT
Pfizer Investigational Site
Liverpool, L9 7AL
Pfizer Investigational Site
Newport, South Wales, NP20 4SZ
Pfizer Investigational Site
Nottingham, NG5 1PB
Pfizer Investigational Site
Woolwich, SE18 4HQ
Australia7 sites
Pfizer Investigational Site
East Gosford, New South Wales, 2250
Pfizer Investigational Site
Footscray, Victoria, 3011
Pfizer Investigational Site
Heidelberg Heights, Victoria, 3081
Pfizer Investigational Site
Parkville, Victoria, 3050
Pfizer Investigational Site
Perth, Western Australia, 6000
Pfizer Investigational Site
Prahran, Victoria, 3181
Pfizer Investigational Site
Randwick, Sydney, New South Wales, 2031
Czechia6 sites
Pfizer Investigational Site
Brno, 65691
Pfizer Investigational Site
Ostrava, 70384
Pfizer Investigational Site
Ostrava-Poruba, 70852
Pfizer Investigational Site
Pilsen, 30599
Pfizer Investigational Site
Prague, 14021
Pfizer Investigational Site
Zlín, 76275
Finland6 sites
Pfizer Investigational Site
Hus, Helsinki, 00029
Pfizer Investigational Site
Kotka, 48210
Pfizer Investigational Site
Kuopio, 70210
Pfizer Investigational Site
Lahti, 15850
Pfizer Investigational Site
Lappeenranta, 53130
Pfizer Investigational Site
Oulu, 90220
Italy6 sites
Pfizer Investigational Site
Bari, 70124
Pfizer Investigational Site
Bergamo, 24128
Pfizer Investigational Site
Genova, 16132
Pfizer Investigational Site
Milan, 20132
Pfizer Investigational Site
Monza, 20052
Pfizer Investigational Site
Via Brunamonti 15, Perugia, 06122
Netherlands6 sites
Pfizer Investigational Site
Almelo, 7609 PP
Pfizer Investigational Site
Delft, 2625 AD
Pfizer Investigational Site
Goes, 4462 RA
Pfizer Investigational Site
RB Groningen, 9700
Pfizer Investigational Site
Rotterdam, Gelderland, 3015
Pfizer Investigational Site
Tilburg, 5022 GC
Sweden6 sites
Pfizer Investigational Site
Danderyd, 18288
Pfizer Investigational Site
Stockholm, 11281
Pfizer Investigational Site
Stockholm, 17176
Pfizer Investigational Site
Umeå, 90185
Pfizer Investigational Site
Uppsala, 75185
Pfizer Investigational Site
Västervik, 59381
Greece5 sites
Pfizer Investigational Site
Athens, Melissia, 15127
Pfizer Investigational Site
Athens, 11527
Pfizer Investigational Site
Athens, 15127
Pfizer Investigational Site
Thessaloniki, 54636
Pfizer Investigational Site
Thessaloniki, 57010
Switzerland5 sites
Pfizer Investigational Site
Aarau, 5001
Pfizer Investigational Site
Basel, 4031
Pfizer Investigational Site
Bern, 3010
Pfizer Investigational Site
Lausanne, 1011
Pfizer Investigational Site
Zurich, 8091
Austria4 sites
Pfizer Investigational Site
Graz, A-8036
Pfizer Investigational Site
Innsbruck, A-6020
Pfizer Investigational Site
Vienna, 1160
Pfizer Investigational Site
Villach, A-9504
Belgium4 sites
Pfizer Investigational Site
Ghent, 9000
Pfizer Investigational Site
Leuven, 3000
Pfizer Investigational Site
Tielt, 8700
Pfizer Investigational Site
Waregem, 8790
Israel4 sites
Pfizer Investigational Site
Haifa, 34362
Pfizer Investigational Site
Holon, 58100
Pfizer Investigational Site
Petah Tikva, 49372
Pfizer Investigational Site
Tel Aviv
Denmark3 sites
Pfizer Investigational Site
Copenhagen Nv, 2400
Pfizer Investigational Site
Glostrup Municipality, 2600
Pfizer Investigational Site
Hellerup, 2900
New Zealand3 sites
Pfizer Investigational Site
Auckland
Pfizer Investigational Site
Christchurch
Pfizer Investigational Site
Takapuna, Auckland
Portugal3 sites
Pfizer Investigational Site
Coimbra Codex, 3049
Pfizer Investigational Site
Lisbon, 1600
Pfizer Investigational Site
Porto, 4000
South Africa3 sites
Pfizer Investigational Site
Bloemfontein, 9301
Pfizer Investigational Site
Cape Town, 7800
Pfizer Investigational Site
Parow, 7505
Brazil2 sites
Pfizer Investigational Site
Porto Alegre, Rio Grande do Sul, 90610-000
Pfizer Investigational Site
São Paulo, São Paulo, 05403-000
Slovakia2 sites
Pfizer Investigational Site
Bratislava, 81369
Pfizer Investigational Site
Bratislava, 83301
About this study
Official title: A Double-Blind, Randomized, Placebo- Controlled Study Of Atorvastatin As Prevention Of Cerebrovascular Events In Patients With A Previous Transient Ischemic Attack (TIA) Or Stroke
To determine whether Lipitor reduces stroke, compared to placebo in patients who have had a previous stroke or transient ischemic attack.
- Conditions
- Cardiovascular Disease
- Being tested
- atorvastatin
- Medical subject headings
- Cardiovascular Diseases
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
atorvastatinDrug
What is being measured
The primary outcome is the main question the study is designed to answer.
Time to occurrence of fatal or non-fatal stroke
Secondary outcomes (2)
Time to occurrence of an acute coronary event, consisting of cardiac death, nonfatal myocardial infarction, resuscitated cardiac arrest or unstable angina.
Time to occurrence of a cerebrovascular event, defined as fatal or nonfatal stroke or TIA.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted7 Sep 2005 (estimated)
- Study startNov 1998
- Study completionNov 2005
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (12)Papers the sponsor has linked to this study.
- Other trials for Cardiovascular DiseaseStudies of the same condition, open and under way.
- More trials run by PfizerThe 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 4
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Enrolment
- 4,732 participants
Sponsor and investigators
- Lead sponsor
- Pfizer
- Sponsor type
- Industry (pharma, biotech, devices)
- Investigators
- Pfizer CT.gov Call Center, Study director, Pfizer
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00147602
- Sponsor's protocol ID
- 0981-342
- Other IDs
- A2581138
- Acronym
- SPARCL
- Status last verified
- Apr 2015
- First submitted
- 6 Sep 2005
- Last updated
- 22 Apr 2015
- Results posted
- No
Publications
Amarenco P, Bogousslavsky J, Callahan A 3rd, Goldstein LB, Hennerici M, Rudolph AE, Sillesen H, Simunovic L, Szarek M, Welch KM, Zivin JA; Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) Investigators. High-dose atorvastatin after stroke or transient ischemic attack. N Engl J Med. 2006 Aug 10;355(6):549-59. doi: 10.1056/NEJMoa061894.
PubMed 16899775Chemello K, Gallo A, Guedon AF, Techer R, Croyal M, Swietek MJ, Meilhac O, Amarenco P, Lambert G. Lipoprotein(a): A Residual Cardiovascular Risk Factor in Statin-Treated Stroke Survivors: Insights From the SPARCL Trial. JACC Adv. 2023 Aug 22;2(7):100557. doi: 10.1016/j.jacadv.2023.100557. eCollection 2023 Sep.
PubMed 38939496Szarek M, Amarenco P, Callahan A, DeMicco D, Fayyad R, Goldstein LB, Laskey R, Sillesen H, Welch KM; SPARCL Committees and Investigators. Atorvastatin Reduces First and Subsequent Vascular Events Across Vascular Territories: The SPARCL Trial. J Am Coll Cardiol. 2020 May 5;75(17):2110-2118. doi: 10.1016/j.jacc.2020.03.015. Epub 2020 Mar 16.
PubMed 32194196Vogt L, Bangalore S, Fayyad R, Melamed S, Hovingh GK, DeMicco DA, Waters DD. Atorvastatin Has a Dose-Dependent Beneficial Effect on Kidney Function and Associated Cardiovascular Outcomes: Post Hoc Analysis of 6 Double-Blind Randomized Controlled Trials. J Am Heart Assoc. 2019 May 7;8(9):e010827. doi: 10.1161/JAHA.118.010827.
PubMed 31020900Ganz P, Amarenco P, Goldstein LB, Sillesen H, Bao W, Preston GM, Welch KMA; SPARCL Steering Committee. Association of Osteopontin, Neopterin, and Myeloperoxidase With Stroke Risk in Patients With Prior Stroke or Transient Ischemic Attacks: Results of an Analysis of 13 Biomarkers From the Stroke Prevention by Aggressive Reduction in Cholesterol Levels Trial. Stroke. 2017 Dec;48(12):3223-3231. doi: 10.1161/STROKEAHA.117.017965. Epub 2017 Nov 7.
PubMed 29114094Byun YS, Yang X, Bao W, DeMicco D, Laskey R, Witztum JL, Tsimikas S; SPARCL Trial Investigators. Oxidized Phospholipids on Apolipoprotein B-100 and Recurrent Ischemic Events Following Stroke or Transient Ischemic Attack. J Am Coll Cardiol. 2017 Jan 17;69(2):147-158. doi: 10.1016/j.jacc.2016.10.057.
PubMed 28081824Amarenco P, Callahan A 3rd, Campese VM, Goldstein LB, Hennerici MG, Messig M, Sillesen H, Welch KM, Wilson DJ, Zivin JA. Effect of high-dose atorvastatin on renal function in subjects with stroke or transient ischemic attack in the SPARCL trial. Stroke. 2014 Oct;45(10):2974-82. doi: 10.1161/STROKEAHA.114.005832. Epub 2014 Aug 21.
PubMed 25147328Ovbiagele B, Goldstein LB, Amarenco P, Messig M, Sillesen H, Callahan A 3rd, Hennerici MG, Zivin J, Welch KM; SPARCL Investigators. Prediction of major vascular events after stroke: the stroke prevention by aggressive reduction in cholesterol levels trial. J Stroke Cerebrovasc Dis. 2014 Apr;23(4):778-84. doi: 10.1016/j.jstrokecerebrovasdis.2013.12.001. Epub 2014 Feb 24.
PubMed 24582273Callahan A, Amarenco P, Goldstein LB, Sillesen H, Messig M, Samsa GP, Altafullah I, Ledbetter LY, MacLeod MJ, Scott R, Hennerici M, Zivin JA, Welch KM; SPARCL Investigators. Risk of stroke and cardiovascular events after ischemic stroke or transient ischemic attack in patients with type 2 diabetes or metabolic syndrome: secondary analysis of the Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) trial. Arch Neurol. 2011 Oct;68(10):1245-51. doi: 10.1001/archneurol.2011.146. Epub 2011 Jun 13.
PubMed 21670382Schwartz GG, Chaitman BR, Goldberger JJ, Messig M. High-dose atorvastatin and risk of atrial fibrillation in patients with prior stroke or transient ischemic attack: analysis of the Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) trial. Am Heart J. 2011 May;161(5):993-9. doi: 10.1016/j.ahj.2011.02.002.
PubMed 21570534Amarenco P, Goldstein LB, Sillesen H, Benavente O, Zweifler RM, Callahan A 3rd, Hennerici MG, Zivin JA, Welch KM; Stroke Prevention by Aggressive Reduction in Cholesterol Levels Investigators. Coronary heart disease risk in patients with stroke or transient ischemic attack and no known coronary heart disease: findings from the Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) trial. Stroke. 2010 Mar;41(3):426-30. doi: 10.1161/STROKEAHA.109.564781. Epub 2010 Jan 28.
PubMed 20110538Amarenco P, Goldstein LB, Callahan A 3rd, Sillesen H, Hennerici MG, O'Neill BJ, Rudolph AE, Simunovic L, Zivin JA, Welch KM; SPARCL Investigators. Baseline blood pressure, low- and high-density lipoproteins, and triglycerides and the risk of vascular events in the Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) trial. Atherosclerosis. 2009 Jun;204(2):515-20. doi: 10.1016/j.atherosclerosis.2008.09.008. Epub 2008 Sep 18.
PubMed 18962621
Study at a glance
From the registry record, last updated by the sponsor on 22 Apr 2015. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Double-Blind, Randomized, Placebo- Controlled Study Of Atorvastatin As Prevention Of Cerebrovascular Events In Patients With A Previous Transient Ischemic Attack (TIA) Or Stroke
- ClinicalTrials.gov ID
- NCT00147602
- Acronym / sponsor ID
- SPARCL / 0981-342
- Conditions
- Cardiovascular Disease
- Phase
- Phase 4
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 4,732 participants
- Lead sponsor
- PfizerIndustry (pharma, biotech, devices)
- Study start
- Nov 1998
- Study completion
- Nov 2005
- First posted
- 7 Sep 2005 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
To determine whether Lipitor reduces stroke, compared to placebo in patients who have had a previous stroke or transient ischemic attack.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (1 listed)
- Previous stroke or TIA
Key exclusion criteria (1 listed)
- coronary heart disease
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 |
|---|---|---|
| atorvastatin | Drug | – |
Primary outcome
Time to occurrence of fatal or non-fatal stroke
2 secondary outcomes
Time to occurrence of an acute coronary event, consisting of cardiac death, nonfatal myocardial infarction, resuscitated cardiac arrest or unstable angina.
Time to occurrence of a cerebrovascular event, defined as fatal or nonfatal stroke or TIA.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 22 Apr 2015.
- Results publication: PubMed 16899775Amarenco P, Bogousslavsky J, Callahan A 3rd, Goldstein LB, Hennerici M, Rudolph AE, Sillesen H, Simunovic L, Szarek M, Welch KM, Zivin JA; Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) Investigators. High-dose atorvastatin after stroke or transient ischemic attack. N Engl J Med. 2006 Aug 10;355(6):549-59. doi: 10.1056/NEJMoa061894.
- Derived from this study: PubMed 38939496Chemello K, Gallo A, Guedon AF, Techer R, Croyal M, Swietek MJ, Meilhac O, Amarenco P, Lambert G. Lipoprotein(a): A Residual Cardiovascular Risk Factor in Statin-Treated Stroke Survivors: Insights From the SPARCL Trial. JACC Adv. 2023 Aug 22;2(7):100557. doi: 10.1016/j.jacadv.2023.100557. eCollection 2023 Sep.
- Derived from this study: PubMed 32194196Szarek M, Amarenco P, Callahan A, DeMicco D, Fayyad R, Goldstein LB, Laskey R, Sillesen H, Welch KM; SPARCL Committees and Investigators. Atorvastatin Reduces First and Subsequent Vascular Events Across Vascular Territories: The SPARCL Trial. J Am Coll Cardiol. 2020 May 5;75(17):2110-2118. doi: 10.1016/j.jacc.2020.03.015. Epub 2020 Mar 16.
- Derived from this study: PubMed 31020900Vogt L, Bangalore S, Fayyad R, Melamed S, Hovingh GK, DeMicco DA, Waters DD. Atorvastatin Has a Dose-Dependent Beneficial Effect on Kidney Function and Associated Cardiovascular Outcomes: Post Hoc Analysis of 6 Double-Blind Randomized Controlled Trials. J Am Heart Assoc. 2019 May 7;8(9):e010827. doi: 10.1161/JAHA.118.010827.
- Derived from this study: PubMed 29114094Ganz P, Amarenco P, Goldstein LB, Sillesen H, Bao W, Preston GM, Welch KMA; SPARCL Steering Committee. Association of Osteopontin, Neopterin, and Myeloperoxidase With Stroke Risk in Patients With Prior Stroke or Transient Ischemic Attacks: Results of an Analysis of 13 Biomarkers From the Stroke Prevention by Aggressive Reduction in Cholesterol Levels Trial. Stroke. 2017 Dec;48(12):3223-3231. doi: 10.1161/STROKEAHA.117.017965. Epub 2017 Nov 7.
- Derived from this study: PubMed 28081824Byun YS, Yang X, Bao W, DeMicco D, Laskey R, Witztum JL, Tsimikas S; SPARCL Trial Investigators. Oxidized Phospholipids on Apolipoprotein B-100 and Recurrent Ischemic Events Following Stroke or Transient Ischemic Attack. J Am Coll Cardiol. 2017 Jan 17;69(2):147-158. doi: 10.1016/j.jacc.2016.10.057.
- Derived from this study: PubMed 25147328Amarenco P, Callahan A 3rd, Campese VM, Goldstein LB, Hennerici MG, Messig M, Sillesen H, Welch KM, Wilson DJ, Zivin JA. Effect of high-dose atorvastatin on renal function in subjects with stroke or transient ischemic attack in the SPARCL trial. Stroke. 2014 Oct;45(10):2974-82. doi: 10.1161/STROKEAHA.114.005832. Epub 2014 Aug 21.
- Derived from this study: PubMed 24582273Ovbiagele B, Goldstein LB, Amarenco P, Messig M, Sillesen H, Callahan A 3rd, Hennerici MG, Zivin J, Welch KM; SPARCL Investigators. Prediction of major vascular events after stroke: the stroke prevention by aggressive reduction in cholesterol levels trial. J Stroke Cerebrovasc Dis. 2014 Apr;23(4):778-84. doi: 10.1016/j.jstrokecerebrovasdis.2013.12.001. Epub 2014 Feb 24.
- Derived from this study: PubMed 21670382Callahan A, Amarenco P, Goldstein LB, Sillesen H, Messig M, Samsa GP, Altafullah I, Ledbetter LY, MacLeod MJ, Scott R, Hennerici M, Zivin JA, Welch KM; SPARCL Investigators. Risk of stroke and cardiovascular events after ischemic stroke or transient ischemic attack in patients with type 2 diabetes or metabolic syndrome: secondary analysis of the Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) trial. Arch Neurol. 2011 Oct;68(10):1245-51. doi: 10.1001/archneurol.2011.146. Epub 2011 Jun 13.
- Derived from this study: PubMed 21570534Schwartz GG, Chaitman BR, Goldberger JJ, Messig M. High-dose atorvastatin and risk of atrial fibrillation in patients with prior stroke or transient ischemic attack: analysis of the Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) trial. Am Heart J. 2011 May;161(5):993-9. doi: 10.1016/j.ahj.2011.02.002.
- Derived from this study: PubMed 20110538Amarenco P, Goldstein LB, Sillesen H, Benavente O, Zweifler RM, Callahan A 3rd, Hennerici MG, Zivin JA, Welch KM; Stroke Prevention by Aggressive Reduction in Cholesterol Levels Investigators. Coronary heart disease risk in patients with stroke or transient ischemic attack and no known coronary heart disease: findings from the Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) trial. Stroke. 2010 Mar;41(3):426-30. doi: 10.1161/STROKEAHA.109.564781. Epub 2010 Jan 28.
- Derived from this study: PubMed 18962621Amarenco P, Goldstein LB, Callahan A 3rd, Sillesen H, Hennerici MG, O'Neill BJ, Rudolph AE, Simunovic L, Zivin JA, Welch KM; SPARCL Investigators. Baseline blood pressure, low- and high-density lipoproteins, and triglycerides and the risk of vascular events in the Stroke Prevention by Aggressive Reduction in Cholesterol Levels (SPARCL) trial. Atherosclerosis. 2009 Jun;204(2):515-20. doi: 10.1016/j.atherosclerosis.2008.09.008. Epub 2008 Sep 18.
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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.
Pfizer CT.gov Call Center study director
Pfizer
130 sites in 25 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 4 study testing atorvastatin in people with Cardiovascular Disease, run by Pfizer at 130 sites in 25 countries.
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 1 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 22 Apr 2015. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 130 sites in Spain, Germany, France, Poland, United Kingdom and 20 more countries. 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 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?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
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?
Time to occurrence of fatal or non-fatal stroke. 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 NCT00147602, 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 22 Apr 2015.