CholeraICVBNCT01339845
Introduction of Cholera Vaccine in Bangladesh
A study testing ShanChol and Vaccine and behaviour in people with Cholera, run by International Centre for Diarrhoeal Disease Research, Bangladesh at 1 site in Bangladesh.
Trial summary
The purpose of this study is to conduct and evaluate the feasibility and effectiveness of a mass cholera vaccination program to reduce diarrhea due to Vibrio cholerae in a high incidence urban area. Read more about this study
- Who is it for?
- Ages 1 year and olderHealthy volunteers can take part
- Conditions the study is for
- Cholera
- What is being tested?
- ShanChol and Vaccine and behaviour
- Type of treatment
- Vaccines, Pill or oral medicine, Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 240,000 participants
- Where
- 1 siteBangladesh
- Study dates
- Sep 2009to Dec 2016
- Phase
- Interventional
- 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 1 year and older
- All sexes
- Healthy volunteers accepted
- Child, Adult, Older adult
Who may be able to join
- Apparently healthy residents of selected vaccination sites
- Aged 1 year and above
- Non-pregnant women
- Written informed consent
Who cannot join
- Age less than 1 year
- Pregnant women
Trial locations and contacts
1 site in 1 country.
Bangladesh1 site
International Centre for Diarrhoeal Disease Research, Bangladesh
Dhaka, Dhaka Division, 1212
About this study
Official title: Introduction of Cholera Vaccine in Bangladesh: " Impact Evaluation of Cholera Vaccine and Behaviour Change Interventions in Urban Dhaka"
The purpose of this study is to conduct and evaluate the feasibility and effectiveness of a mass cholera vaccination program to reduce diarrhea due to Vibrio cholerae in a high incidence urban area. This study will also evaluate the feasibility of adding a household hand washing and safe drinking water promotion intervention to a cholera vaccine program and the overall impact of this combination on decreasing the incidence of diarrhea due to Vibrio cholerae.
Read the detailed description
Cholera continues to be a major cause of morbidity and mortality in low income countries including Bangladesh. It is estimated that there are at least 300,000 severe cases and 1.2 million infections in people in Bangladesh each year. Deaths annually from cholera may have decreased but overall morbidity remains high.
The project for "Introduction of Cholera Vaccine in Bangladesh" (ICVB) will examine the effectiveness of intervention with an oral cholera vaccine in reducing incidence of cholera in urban Dhaka, and the effectiveness of a handwashing and home water treatment behaviour change intervention in reducing diarrhea due to cholera. The proposal involves evaluation of a 2-dose regimen of an oral killed whole cell (WC) vaccine and a handwashing and home water treatment behavior change program promoting improved hygiene and home drinking water treatment in reducing dehydrating diarrhea in a low income area of Dhaka, Bangladesh. The study population will include 90 clusters (neighborhoods) in an area of high cholera incidence in Mirpur with a total study population of 240,000. Thirty clusters (approximately 80,000 people) will receive cholera vaccine alone, 30 clusters will receive both cholera vaccine and behavior change and 30 neighborhoods will continue their standard habits and practices. Surveillance for cholera and diarrhea will be carried out in all the three areas during the whole project period. Following the GIS mapping and census of the target populations, the cholera vaccine will be offered to all males and non-pregnant females aged one year and above in the vaccination areas, and an aggressive hygiene and safe water promotion program will be implemented in the 30 behavior change communication clusters. Passive surveillance for cholera will be undertaken using the two ICDDR,B diarrhea treatment facilities as well as 10 other health facilities that serve the study areas. Vaccine and other public health coverage and costs effectiveness as well cost-benefit will be measured, followed by surveillance and identical follow-up studies. The hygiene and safe water behavior change program will also be continued for 4 years. The impact of interventions will be assessed by following vaccination by directly comparing the incidence of cholera and diarrhea in the intervention communities to the incidence in the standard habits and practices communities.
- Conditions
- Cholera
- Being tested
- ShanChol, Vaccine and behaviour
- Keywords
- Cholera vaccine, Behaviour change intervention, Cost effectiveness and cost-benefit, Prevention of cholera, Control of Cholera, Vaccination
- Medical subject headings
- Cholera
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
ShanCholBiological
Each dose of the vaccine contains whole cell Killed inactivated V.cholerae O1 and O139 strains.Vaccine is packaged as liquid formulations in 1.5-ml doses. The vaccine is given two doses separated by a two week interval and administered orally.
Vaccine and behaviourBehavioural
Together with vaccination the community health worker will offer a hand washing station and water treatment facilities that include both hardware and a software component. The idea of the handwashing station is to bring together with soap and water that people need for handwashing, especially for handwashing after defecation. The hardware for water treatment is a chlorine dispenser that is a reservoir which holds sodium hypochlorite and dispenses a measured dose of the dilute sodium hypochlorite into a 15 liter water tank. Community residents can collect water directly from the 15 L water tanks into their own personal water storage vessels. The community health worker will negotiate with compound residents for the development of a water treatment system.
| Study group | Role | What they receive |
|---|---|---|
| Vaccine arm | Active comparator | Thirty clusters (approximately 80,000 people) will receive cholera vaccine alone Receives: Biological: ShanChol |
| Vaccine plus hygiene and safe water arm | Active comparator | Thirty clusters (approximately 80,000 people)will receive both cholera vaccine and behaviour change Receives: Behavioral: Vaccine and behaviour |
| Non-intervention arm | No intervention | 30 neighbourhoods(approximately 80,000 people) will continue their standard habits and practices |
What is being measured
The primary outcome is the main question the study is designed to answer.
Number of individuals vaccinated with two dose of oral cholera vaccine.
Tergated individuals will be vaccinated and vaccination records will give the coverage.
Measured: Six months from initiation of vaccination
Decrease number of cholera cases in intervention arm compared to non-intervention arm.
The primary analyses will be comparison of the incidence of primary outcome in the intervention clusters compared to the non-intervention cluster
Measured: Two years after completion of vaccination
Secondary outcomes (3)
Incidence of cholera among vaccinated individuals in vaccination area.
Vaccine-induced protective immunity will be estimated from comparing the incidence of cholera among vaccine recipients in the vaccination area and the incidence of cholera among vaccine non-recipients in the same area.
Measured: Two years after completion of vaccination.
Incidence of cholera among non-vaccinated individuals in vaccination area.
Indirect protection (herd protection), the protection of non-vaccinated persons due to reduced transmission of an infection, will be estimated from comparing the incidence of cholera among non-vaccinees in the vaccination area and the incidence of cholera in the control area.
Measured: Two years after completion of vaccination
Incidence of cholera in the combined cholera vaccine and behavior change intervention area
Assessment of the impact of the combined cholera vaccine and behavior change intervention on the incidence of all diarrheas treated at the ICDDRB and other health facilities.
Measured: Two years after completion of vaccination
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted21 Apr 2011 (estimated)
- Study startSep 2009
- Primary completionDec 2016
- Study completionDec 2016
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (10)Papers the sponsor has linked to this study.
- Other trials for CholeraStudies 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 N/A
- Primary purpose
- Health services research
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 240,000 participants (actual)
Sponsor and investigators
- Lead sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
- Sponsor type
- University, hospital or other
- Collaborators
- Bill and Melinda Gates Foundation, Directorate General of Health Services, Bangladesh, International Vaccine Institute, Dhaka City Corporation, Ministry of Local Government and Rural Development, Bangladesh, School of Public Health and Health Professions, University at Buffalo, USA, Johns Hopkins Bloomberg School of Public Health, University of Maryland
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01339845
- Sponsor's protocol ID
- PR-10061
- Acronym
- ICVB
- Status last verified
- Feb 2017
- First submitted
- 1 Apr 2011
- Last updated
- 7 Mar 2017
- Results posted
- No
- Data monitoring committee
- Yes
Publications
Sur D, Lopez AL, Kanungo S, Paisley A, Manna B, Ali M, Niyogi SK, Park JK, Sarkar B, Puri MK, Kim DR, Deen JL, Holmgren J, Carbis R, Rao R, Nguyen TV, Donner A, Ganguly NK, Nair GB, Bhattacharya SK, Clemens JD. Efficacy and safety of a modified killed-whole-cell oral cholera vaccine in India: an interim analysis of a cluster-randomised, double-blind, placebo-controlled trial. Lancet. 2009 Nov 14;374(9702):1694-702. doi: 10.1016/S0140-6736(09)61297-6. Epub 2009 Oct 8.
PubMed 19819004Mahalanabis D, Lopez AL, Sur D, Deen J, Manna B, Kanungo S, von Seidlein L, Carbis R, Han SH, Shin SH, Attridge S, Rao R, Holmgren J, Clemens J, Bhattacharya SK. A randomized, placebo-controlled trial of the bivalent killed, whole-cell, oral cholera vaccine in adults and children in a cholera endemic area in Kolkata, India. PLoS One. 2008 Jun 4;3(6):e2323. doi: 10.1371/journal.pone.0002323.
PubMed 18523643Jefferson T, Dooley L, Ferroni E, Al-Ansary LA, van Driel ML, Bawazeer GA, Jones MA, Hoffmann TC, Clark J, Beller EM, Glasziou PP, Conly JM. Physical interventions to interrupt or reduce the spread of respiratory viruses. Cochrane Database Syst Rev. 2023 Jan 30;1(1):CD006207. doi: 10.1002/14651858.CD006207.pub6.
PubMed 36715243Kang S, Chowdhury F, Park J, Ahmed T, Tadesse BT, Islam MT, Kim DR, Im J, Aziz AB, Hoque M, Pak G, Khanam F, Ahmmed F, Liu X, Zaman K, Khan AI, Kim JH, Marks F, Qadri F, Clemens JD. Are better existing WASH practices in urban slums associated with a lower long-term risk of severe cholera? A prospective cohort study with 4 years of follow-up in Mirpur, Bangladesh. BMJ Open. 2022 Sep 21;12(9):e060858. doi: 10.1136/bmjopen-2022-060858.
PubMed 36130764Ali M, Qadri F, Kim DR, Islam MT, Im J, Ahmmed F, Khan AI, Zaman K, Marks F, Kim JH, Clemens JD. Effectiveness of a killed whole-cell oral cholera vaccine in Bangladesh: further follow-up of a cluster-randomised trial. Lancet Infect Dis. 2021 Oct;21(10):1407-1414. doi: 10.1016/S1473-3099(20)30781-7. Epub 2021 Jun 16.
PubMed 34146473Jefferson T, Del Mar CB, Dooley L, Ferroni E, Al-Ansary LA, Bawazeer GA, van Driel ML, Jones MA, Thorning S, Beller EM, Clark J, Hoffmann TC, Glasziou PP, Conly JM. Physical interventions to interrupt or reduce the spread of respiratory viruses. Cochrane Database Syst Rev. 2020 Nov 20;11(11):CD006207. doi: 10.1002/14651858.CD006207.pub5.
PubMed 33215698Saha A, Hayen A, Ali M, Rosewell A, MacIntyre CR, Clemens JD, Qadri F. Socioeconomic drivers of vaccine uptake: An analysis of the data of a geographically defined cluster randomized cholera vaccine trial in Bangladesh. Vaccine. 2018 Jul 25;36(31):4742-4749. doi: 10.1016/j.vaccine.2018.04.084. Epub 2018 May 8.
PubMed 29752024Khan AI, Ali M, Chowdhury F, Saha A, Khan IA, Khan A, Akter A, Asaduzzaman M, Islam MT, Kabir A, You YA, Saha NC, Cravioto A, Clemens JD, Qadri F. Safety of the oral cholera vaccine in pregnancy: Retrospective findings from a subgroup following mass vaccination campaign in Dhaka, Bangladesh. Vaccine. 2017 Mar 13;35(11):1538-1543. doi: 10.1016/j.vaccine.2017.01.080. Epub 2017 Feb 11.
PubMed 28196715Qadri F, Ali M, Chowdhury F, Khan AI, Saha A, Khan IA, Begum YA, Bhuiyan TR, Chowdhury MI, Uddin MJ, Khan JAM, Chowdhury AI, Rahman A, Siddique SA, Asaduzzaman M, Akter A, Khan A, Ae You Y, Siddik AU, Saha NC, Kabir A, Riaz BK, Biswas SK, Begum F, Unicomb L, Luby SP, Cravioto A, Clemens JD. Feasibility and effectiveness of oral cholera vaccine in an urban endemic setting in Bangladesh: a cluster randomised open-label trial. Lancet. 2015 Oct 3;386(10001):1362-1371. doi: 10.1016/S0140-6736(15)61140-0. Epub 2015 Jul 9.
PubMed 26164097Khan IA, Saha A, Chowdhury F, Khan AI, Uddin MJ, Begum YA, Riaz BK, Islam S, Ali M, Luby SP, Clemens JD, Cravioto A, Qadri F. Coverage and cost of a large oral cholera vaccination program in a high-risk cholera endemic urban population in Dhaka, Bangladesh. Vaccine. 2013 Dec 9;31(51):6058-64. doi: 10.1016/j.vaccine.2013.10.021. Epub 2013 Oct 22.
PubMed 24161413
Study at a glance
From the registry record, last updated by the sponsor on 7 Mar 2017. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Introduction of Cholera Vaccine in Bangladesh: " Impact Evaluation of Cholera Vaccine and Behaviour Change Interventions in Urban Dhaka"
- ClinicalTrials.gov ID
- NCT01339845
- Acronym / sponsor ID
- ICVB / PR-10061
- Conditions
- Cholera
- Keywords
- Cholera vaccine, Behaviour change intervention, Cost effectiveness and cost-benefit, Prevention of cholera, Control of Cholera, Vaccination
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 240,000 participants (actual)
- Lead sponsor
- International Centre for Diarrhoeal Disease Research, BangladeshUniversity, hospital or other
- Collaborators
- Bill and Melinda Gates Foundation, Directorate General of Health Services, Bangladesh, International Vaccine Institute, Dhaka City Corporation, Ministry of Local Government and Rural Development, Bangladesh, School of Public Health and Health Professions, University at Buffalo, USA, Johns Hopkins Bloomberg School of Public Health, University of Maryland
- Study start
- Sep 2009
- Primary completion
- Dec 2016 (actual)
- Study completion
- Dec 2016 (actual)
- First posted
- 21 Apr 2011 (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.
The purpose of this study is to conduct and evaluate the feasibility and effectiveness of a mass cholera vaccination program to reduce diarrhea due to Vibrio cholerae in a high incidence urban area. This study will also evaluate the feasibility of adding a household hand washing and safe drinking water promotion intervention to a cholera vaccine program and the overall impact of this combination on decreasing the incidence of diarrhea due to Vibrio cholerae.
Detailed description
Cholera continues to be a major cause of morbidity and mortality in low income countries including Bangladesh. It is estimated that there are at least 300,000 severe cases and 1.2 million infections in people in Bangladesh each year. Deaths annually from cholera may have decreased but overall morbidity remains high.
The project for "Introduction of Cholera Vaccine in Bangladesh" (ICVB) will examine the effectiveness of intervention with an oral cholera vaccine in reducing incidence of cholera in urban Dhaka, and the effectiveness of a handwashing and home water treatment behaviour change intervention in reducing diarrhea due to cholera. The proposal involves evaluation of a 2-dose regimen of an oral killed whole cell (WC) vaccine and a handwashing and home water treatment behavior change program promoting improved hygiene and home drinking water treatment in reducing dehydrating diarrhea in a low income area of Dhaka, Bangladesh. The study population will include 90 clusters (neighborhoods) in an area of high cholera incidence in Mirpur with a total study population of 240,000. Thirty clusters (approximately 80,000 people) will receive cholera vaccine alone, 30 clusters will receive both cholera vaccine and behavior change and 30 neighborhoods will continue their standard habits and practices. Surveillance for cholera and diarrhea will be carried out in all the three areas during the whole project period. Following the GIS mapping and census of the target populations, the cholera vaccine will be offered to all males and non-pregnant females aged one year and above in the vaccination areas, and an aggressive hygiene and safe water promotion program will be implemented in the 30 behavior change communication clusters. Passive surveillance for cholera will be undertaken using the two ICDDR,B diarrhea treatment facilities as well as 10 other health facilities that serve the study areas. Vaccine and other public health coverage and costs effectiveness as well cost-benefit will be measured, followed by surveillance and identical follow-up studies. The hygiene and safe water behavior change program will also be continued for 4 years. The impact of interventions will be assessed by following vaccination by directly comparing the incidence of cholera and diarrhea in the intervention communities to the incidence in the standard habits and practices communities.
Study design
- Primary purpose
- Health services research
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| Vaccine arm | Active comparator | Biological: ShanCholThirty clusters (approximately 80,000 people) will receive cholera vaccine alone |
| Vaccine plus hygiene and safe water arm | Active comparator | Behavioral: Vaccine and behaviourThirty clusters (approximately 80,000 people)will receive both cholera vaccine and behaviour change |
| Non-intervention arm | No intervention | –30 neighbourhoods(approximately 80,000 people) will continue their standard habits and practices |
Who may qualify
- Ages
- 1 year and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Child, Adult, Older adult
Key inclusion criteria (4 listed)
- Apparently healthy residents of selected vaccination sites
- Aged 1 year and above
- Non-pregnant women
- Written informed consent
Key exclusion criteria (2 listed)
- Age less than 1 year
- Pregnant women
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 |
|---|---|---|
| ShanCholEach dose of the vaccine contains whole cell Killed inactivated V.cholerae O1 and O139 strains.Vaccine is packaged as liquid formulations in 1.5-ml doses. The vaccine is given two doses separated by a two week interval and administered orally. | Biological | Vaccine arm |
| Vaccine and behaviourTogether with vaccination the community health worker will offer a hand washing station and water treatment facilities that include both hardware and a software component. The idea of the handwashing station is to bring together with soap and water that people need for handwashing, especially for handwashing after defecation. The hardware for water treatment is a chlorine dispenser that is a reservoir which holds sodium hypochlorite and dispenses a measured dose of the dilute sodium hypochlorite into a 15 liter water tank. Community residents can collect water directly from the 15 L water tanks into their own personal water storage vessels. The community health worker will negotiate with compound residents for the development of a water treatment system. | Behavioural | Vaccine plus hygiene and safe water arm |
Primary outcome
Number of individuals vaccinated with two dose of oral cholera vaccine.
Time frame: Six months from initiation of vaccination
Tergated individuals will be vaccinated and vaccination records will give the coverage.
Decrease number of cholera cases in intervention arm compared to non-intervention arm.
Time frame: Two years after completion of vaccination
The primary analyses will be comparison of the incidence of primary outcome in the intervention clusters compared to the non-intervention cluster
3 secondary outcomes
Incidence of cholera among vaccinated individuals in vaccination area.
Time frame: Two years after completion of vaccination.
Incidence of cholera among non-vaccinated individuals in vaccination area.
Time frame: Two years after completion of vaccination
Incidence of cholera in the combined cholera vaccine and behavior change intervention area
Time frame: Two years after completion of vaccination
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 7 Mar 2017.
- Background: PubMed 19819004Sur D, Lopez AL, Kanungo S, Paisley A, Manna B, Ali M, Niyogi SK, Park JK, Sarkar B, Puri MK, Kim DR, Deen JL, Holmgren J, Carbis R, Rao R, Nguyen TV, Donner A, Ganguly NK, Nair GB, Bhattacharya SK, Clemens JD. Efficacy and safety of a modified killed-whole-cell oral cholera vaccine in India: an interim analysis of a cluster-randomised, double-blind, placebo-controlled trial. Lancet. 2009 Nov 14;374(9702):1694-702. doi: 10.1016/S0140-6736(09)61297-6. Epub 2009 Oct 8.
- Background: PubMed 18523643Mahalanabis D, Lopez AL, Sur D, Deen J, Manna B, Kanungo S, von Seidlein L, Carbis R, Han SH, Shin SH, Attridge S, Rao R, Holmgren J, Clemens J, Bhattacharya SK. A randomized, placebo-controlled trial of the bivalent killed, whole-cell, oral cholera vaccine in adults and children in a cholera endemic area in Kolkata, India. PLoS One. 2008 Jun 4;3(6):e2323. doi: 10.1371/journal.pone.0002323.
- Derived from this study: PubMed 36715243Jefferson T, Dooley L, Ferroni E, Al-Ansary LA, van Driel ML, Bawazeer GA, Jones MA, Hoffmann TC, Clark J, Beller EM, Glasziou PP, Conly JM. Physical interventions to interrupt or reduce the spread of respiratory viruses. Cochrane Database Syst Rev. 2023 Jan 30;1(1):CD006207. doi: 10.1002/14651858.CD006207.pub6.
- Derived from this study: PubMed 36130764Kang S, Chowdhury F, Park J, Ahmed T, Tadesse BT, Islam MT, Kim DR, Im J, Aziz AB, Hoque M, Pak G, Khanam F, Ahmmed F, Liu X, Zaman K, Khan AI, Kim JH, Marks F, Qadri F, Clemens JD. Are better existing WASH practices in urban slums associated with a lower long-term risk of severe cholera? A prospective cohort study with 4 years of follow-up in Mirpur, Bangladesh. BMJ Open. 2022 Sep 21;12(9):e060858. doi: 10.1136/bmjopen-2022-060858.
- Derived from this study: PubMed 34146473Ali M, Qadri F, Kim DR, Islam MT, Im J, Ahmmed F, Khan AI, Zaman K, Marks F, Kim JH, Clemens JD. Effectiveness of a killed whole-cell oral cholera vaccine in Bangladesh: further follow-up of a cluster-randomised trial. Lancet Infect Dis. 2021 Oct;21(10):1407-1414. doi: 10.1016/S1473-3099(20)30781-7. Epub 2021 Jun 16.
- Derived from this study: PubMed 33215698Jefferson T, Del Mar CB, Dooley L, Ferroni E, Al-Ansary LA, Bawazeer GA, van Driel ML, Jones MA, Thorning S, Beller EM, Clark J, Hoffmann TC, Glasziou PP, Conly JM. Physical interventions to interrupt or reduce the spread of respiratory viruses. Cochrane Database Syst Rev. 2020 Nov 20;11(11):CD006207. doi: 10.1002/14651858.CD006207.pub5.
- Derived from this study: PubMed 29752024Saha A, Hayen A, Ali M, Rosewell A, MacIntyre CR, Clemens JD, Qadri F. Socioeconomic drivers of vaccine uptake: An analysis of the data of a geographically defined cluster randomized cholera vaccine trial in Bangladesh. Vaccine. 2018 Jul 25;36(31):4742-4749. doi: 10.1016/j.vaccine.2018.04.084. Epub 2018 May 8.
- Derived from this study: PubMed 28196715Khan AI, Ali M, Chowdhury F, Saha A, Khan IA, Khan A, Akter A, Asaduzzaman M, Islam MT, Kabir A, You YA, Saha NC, Cravioto A, Clemens JD, Qadri F. Safety of the oral cholera vaccine in pregnancy: Retrospective findings from a subgroup following mass vaccination campaign in Dhaka, Bangladesh. Vaccine. 2017 Mar 13;35(11):1538-1543. doi: 10.1016/j.vaccine.2017.01.080. Epub 2017 Feb 11.
- Derived from this study: PubMed 26164097Qadri F, Ali M, Chowdhury F, Khan AI, Saha A, Khan IA, Begum YA, Bhuiyan TR, Chowdhury MI, Uddin MJ, Khan JAM, Chowdhury AI, Rahman A, Siddique SA, Asaduzzaman M, Akter A, Khan A, Ae You Y, Siddik AU, Saha NC, Kabir A, Riaz BK, Biswas SK, Begum F, Unicomb L, Luby SP, Cravioto A, Clemens JD. Feasibility and effectiveness of oral cholera vaccine in an urban endemic setting in Bangladesh: a cluster randomised open-label trial. Lancet. 2015 Oct 3;386(10001):1362-1371. doi: 10.1016/S0140-6736(15)61140-0. Epub 2015 Jul 9.
- Derived from this study: PubMed 24161413Khan IA, Saha A, Chowdhury F, Khan AI, Uddin MJ, Begum YA, Riaz BK, Islam S, Ali M, Luby SP, Clemens JD, Cravioto A, Qadri F. Coverage and cost of a large oral cholera vaccination program in a high-risk cholera endemic urban population in Dhaka, Bangladesh. Vaccine. 2013 Dec 9;31(51):6058-64. doi: 10.1016/j.vaccine.2013.10.021. Epub 2013 Oct 22.
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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.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing ShanChol and Vaccine and behaviour in people with Cholera, run by International Centre for Diarrhoeal Disease Research, Bangladesh at 1 site in Bangladesh.
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 4 inclusion and 2 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 7 Mar 2017. 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 Bangladesh. 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.
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?
Number of individuals vaccinated with two dose of oral cholera vaccine. (time frame: Six months from initiation of vaccination). The study lists 2 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 NCT01339845, which also lists 10 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 7 Mar 2017.