Cervical CancerPhase 4NCT01101750
Does the HPV Vaccine Cause the Same Response in Adolescent Kidney and Liver Transplant Patients as in Healthy Controls?
A Phase 4 study testing Quadrivalent HPV for types 6, 11, 16 and 18 in people with Cervical Cancer and Hpv, run by Medstar Health Research Institute at 2 sites in United States.
Trial summary
The purpose of the study is to understand if children with liver and kidney transplants develop the antibodies from the Gardasil vaccine. The Gardasil vaccine protects against Human Papilloma Virus (HPV) types 16 and 18, which cause most types of cancers of the cervix, vagina and vulva. Read more about this study
- Who is it for?
- Ages 9 to 17 years
- Conditions the study is for
- Cervical Cancer, Hpv, Warts
- What is being tested?
- Quadrivalent HPV for types 6, 11, 16 and 18
- Type of treatment
- Vaccines, Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 25 participants
- Where
- 2 sitesUnited States
- Study dates
- May 2010to 14 Dec 2012
- 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 9 to 17 years
- All sexes
- No healthy volunteers
- Child
Who may be able to join
- Male and female patients age 9-17 who have undergone liver or kidney transplant are on stable immunosuppressant doses for greater than 6 months
Who cannot join
- Previous vaccination with Gardasil or Cervarix
- Allergy to Gardasil or components of Gardasil including yeast
- Diagnosis of HIV or cancer
- Pregnancy
- Blood transfusion 6 months prior to initiation of Gardasil vaccine protocol
Trial locations and contacts
2 sites in 1 country.
United States2 sites
Georgetown University Hospital
Washington D.C., District of Columbia, 20007
Childrens National Medical Center
Washington D.C., District of Columbia, 20010
About this study
Official title: Immunogenicity Of A Prophylactic Quadrivalent Human Papillomavirus (Types 6, 11, 16, And 18) L1 Virus-Like Particle Vaccine In Male And Female Adolescent Transplant Recipients.
The purpose of the study is to understand if children with liver and kidney transplants develop the antibodies from the Gardasil vaccine.
The Gardasil vaccine protects against Human Papilloma Virus (HPV) types 16 and 18, which cause most types of cancers of the cervix, vagina and vulva. It also protects against Human Papilloma Virus types 6 and 11, which cause genital warts in some people. Gardasil has been approved by the Food and Drug Administration and is recommended for girls and women from ages 9-26 for the prevention of some types of cancer of the cervix, vagina and vulva as well as preventing some types of genital warts. In males that are 9-26 years old, the FDA has approved its use for prevention of some types of genital warts.
Read more
The Gardasil vaccine is made from a virus like particle and does not contain any live virus. Children with an allergy to yeast should not receive the vaccine since some components of the vaccine are made from yeast.
People who have undergone organ transplant are at increased risk of of developing genital warts and cancers related to HPV when compared to the general population. The American Society of Transplantation and the American Society of Transplant Surgeons recommend the vaccine for people with transplants.
Studies of other vaccines like Hepatitis B have shown children after transplant have less of a response to this vaccine and are not immune to the Hepatitis B virus. We are interested in seeing if your child will form antibodies (immune response) to the Gardasil vaccine.
Your child is being asked to be in the study because he or she is between the ages of 9-17 and has undergone a liver or kidney transplant more than 6 months ago and does not have any signs of organ rejection.
Read the detailed description
Currently Merck manufactures the HPV (types 6, 11, 16, and 18) L1 virus like particle vaccine and a description has been reported previously. (18) Merck will supply the vaccine, which will be stored as directed by the manufacturer. The vaccine will be stored at the Medstar Research Institute (Women and Infants Research Services) It will be administered by intramuscular injection (0.5 mL) into the upper arm or thigh by the research nurse (Sarah Duwel, RN or a nurse working under supervision) in the transplant clinic.
Participants will be given a form to fill out regarding allergic prior to vaccination. After the research nurse reviews the form with the patient and their guardian, an immunization or blood collection will be performed. Participants will receive a full dose vaccine on day 1, at month 2 (± 3 weeks), and at month 6 (± 3 weeks). All participants will be required to be afebrile (oral temperature <37.8° C) within 24 hours before each injection.
All female participants will undergo urine pregnancy testing and will not be vaccinated if found to be pregnant. Female participants with a positive urine pregnancy test will be informed confidentially of their test results by the study nurse and will be referred to an OB/GYN for further care.
Serum samples will be obtained from all participants on day 1, at month 3, and at month 7. Samples will be de-identified and stored at -20°C or below and anti-HPV levels will be determined using an HPV type-specific competitive Luminex xMAP-based immunoassay (cLIA). (18) Merck will make arrangements for the labs tests. This assay measures only neutralizing anti-HPV antibodies, rather than the broad assortment of vaccine-induced anti-HPV antibodies. Antibody levels will be expressed as milliMerck units (mMU) per milliliter. The lower limits of detection for the anti-HPV 6, 11, 16, and 18 cLIAs are 4.1 mMU6/mL, 3.0 mMU11/mL, 10.2 mMU16/mL, and 2.9 mMU18/mL, respectively. Assay precision is estimated to be 21.7%, 20.4%, 23.0%, and 15.9% for the anti-HPV 6, 11, 16, and 18 cLIAs respectively. Participants will be considered anti-HPV 6, 11, 16, or 18 seropositive when their anti-HPV antibody titers are 20 mMU6/mL, 16 mMU11/mL, 20 mMU16/mL, or 24 mMU18/mL, respectively.
Blood collection supplies will be obtained from a lab vendor Laprepco (www.labrepco.com). The lab we will use to process our antibody titers is PPD Labs (www.ppdi.com). De-identified blood samples will be stored by the research nurse at Mesdstar Research Institute until they are able to be shipped to the PPD lab. Our research nurses are trained in Environmental and Health Safety training based on Medstar Research Institution requirements. Antibody titers results will be mail directly to Dr. Gomez-Lobo.
- Conditions
- Cervical Cancer, Hpv, Warts
- Being tested
- Quadrivalent HPV for types 6, 11, 16 and 18
- Keywords
- Gardasil, HPV, transplant, adolescent, prevention, vaccine, immunogenicity, vaccination
- Medical subject headings
- Uterine Cervical Neoplasms, Papillomavirus Infections, Warts
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Quadrivalent HPV for types 6, 11, 16 and 18Biological
Also called Gardasil Vaccine
Per standard of care, Gardasil 0.5ml IM injection on day one, month 2, and month 6.
Serum samples on day one, month 3 and month 7.
| Study group | Role | What they receive |
|---|---|---|
| Liver and Kidney Transplant Patient Arm | Other | Standard of Care Intervention: Participants on this arm receive Gardasil vaccine and have a history of liver or kidney transplant. Receives: Biological: Quadrivalent HPV for types 6, 11, 16 and 18 |
What is being measured
The primary outcome is the main question the study is designed to answer.
Number of Subjects Showing Seroconversion to All HPV Four Serotypes
Measured: 7 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted12 Apr 2010 (estimated)
- Study startMay 2010
- Primary completion20 Jan 2012
- Study completion14 Dec 2012
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 (17)Papers the sponsor has linked to this study.
- Other trials for Cervical CancerStudies 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
- Other
- Allocation
- Not applicable
- Intervention model
- Single group
- Model description
- Prospective study to evaluate immune response to the Gardisil vaccine in patients with a history of liver transplant and patients with a history of kidney transplant.
- Masking
- None (open label)
- Enrolment
- 25 participants (actual)
Sponsor and investigators
- Lead sponsor
- Medstar Health Research Institute
- Sponsor type
- University, hospital or other
- Collaborators
- Merck Sharp & Dohme LLC
- Responsible party
- Sponsor
- Investigators
- Veronica Gomez-Lobo, MD, Principal investigator, Washington Hospital Center, Georgetown University Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01101750
- Sponsor's protocol ID
- GardasilMerckGomez-Lobo
- Status last verified
- Dec 2020
- First submitted
- 5 Apr 2010
- Last updated
- 5 Jan 2021
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- Individual data sharing
- No
Publications
Danzinger-Isakov L, Kumar D; AST Infectious Diseases Community of Practice. Guidelines for vaccination of solid organ transplant candidates and recipients. Am J Transplant. 2009 Dec;9 Suppl 4:S258-62. doi: 10.1111/j.1600-6143.2009.02917.x. No abstract available.
PubMed 20070687Kasiske BL, Snyder JJ, Gilbertson DT, Wang C. Cancer after kidney transplantation in the United States. Am J Transplant. 2004 Jun;4(6):905-13. doi: 10.1111/j.1600-6143.2004.00450.x.
PubMed 15147424De Vuyst H, Clifford GM, Nascimento MC, Madeleine MM, Franceschi S. Prevalence and type distribution of human papillomavirus in carcinoma and intraepithelial neoplasia of the vulva, vagina and anus: a meta-analysis. Int J Cancer. 2009 Apr 1;124(7):1626-36. doi: 10.1002/ijc.24116.
PubMed 19115209D'Souza G, Kreimer AR, Viscidi R, Pawlita M, Fakhry C, Koch WM, Westra WH, Gillison ML. Case-control study of human papillomavirus and oropharyngeal cancer. N Engl J Med. 2007 May 10;356(19):1944-56. doi: 10.1056/NEJMoa065497.
PubMed 17494927Badawi H, Ahmed H, Ismail A, Diab M, Moubarak M, Badawy A, Saber M. Role of human papillomavirus types 16, 18, and 52 in recurrent cystitis and urinary bladder cancer among Egyptian patients. Medscape J Med. 2008;10(10):232. Epub 2008 Oct 8.
PubMed 19099026Penn I. Occurrence of cancers in immunosuppressed organ transplant recipients. Clin Transpl. 1998:147-58.
PubMed 10503093Villa LL, Costa RL, Petta CA, Andrade RP, Paavonen J, Iversen OE, Olsson SE, Hoye J, Steinwall M, Riis-Johannessen G, Andersson-Ellstrom A, Elfgren K, Krogh Gv, Lehtinen M, Malm C, Tamms GM, Giacoletti K, Lupinacci L, Railkar R, Taddeo FJ, Bryan J, Esser MT, Sings HL, Saah AJ, Barr E. High sustained efficacy of a prophylactic quadrivalent human papillomavirus types 6/11/16/18 L1 virus-like particle vaccine through 5 years of follow-up. Br J Cancer. 2006 Dec 4;95(11):1459-66. doi: 10.1038/sj.bjc.6603469. Epub 2006 Nov 21.
PubMed 17117182Joura EA, Kjaer SK, Wheeler CM, Sigurdsson K, Iversen OE, Hernandez-Avila M, Perez G, Brown DR, Koutsky LA, Tay EH, Garcia P, Ault KA, Garland SM, Leodolter S, Olsson SE, Tang GW, Ferris DG, Paavonen J, Lehtinen M, Steben M, Bosch X, Dillner J, Kurman RJ, Majewski S, Munoz N, Myers ER, Villa LL, Taddeo FJ, Roberts C, Tadesse A, Bryan J, Lupinacci LC, Giacoletti KE, Lu S, Vuocolo S, Hesley TM, Haupt RM, Barr E. HPV antibody levels and clinical efficacy following administration of a prophylactic quadrivalent HPV vaccine. Vaccine. 2008 Dec 9;26(52):6844-51. doi: 10.1016/j.vaccine.2008.09.073. Epub 2008 Oct 16.
PubMed 18930097FUTURE II Study Group. Quadrivalent vaccine against human papillomavirus to prevent high-grade cervical lesions. N Engl J Med. 2007 May 10;356(19):1915-27. doi: 10.1056/NEJMoa061741.
PubMed 17494925Villa LL. Overview of the clinical development and results of a quadrivalent HPV (types 6, 11, 16, 18) vaccine. Int J Infect Dis. 2007 Nov;11 Suppl 2:S17-25. doi: 10.1016/S1201-9712(07)60017-4.
PubMed 18162241Carey W, Pimentel R, Westveer MK, Vogt D, Broughan T. Failure of hepatitis B immunization in liver transplant recipients: results of a prospective trial. Am J Gastroenterol. 1990 Dec;85(12):1590-2.
PubMed 2252022Guidelines for vaccination of solid organ transplant candidates and recipients. Am J Transplant. 2004 Nov;4 Suppl 10:160-3. doi: 10.1111/j.1600-6135.2004.00737.x. No abstract available.
PubMed 15504229Loinaz C, de Juanes JR, Gonzalez EM, Lopez A, Lumbreras C, Gomez R, Gonzalez-Pinto I, Jimenez C, Garcia I, Fuertes A. Hepatitis B vaccination results in 140 liver transplant recipients. Hepatogastroenterology. 1997 Jan-Feb;44(13):235-8.
PubMed 9058151Duca P, Del Pont JM, D'Agostino D. Successful immune response to a recombinant hepatitis B vaccine in children after liver transplantation. J Pediatr Gastroenterol Nutr. 2001 Feb;32(2):168-70. doi: 10.1097/00005176-200102000-00014.
PubMed 11321387Lefebure AF, Verpooten GA, Couttenye MM, De Broe ME. Immunogenicity of a recombinant DNA hepatitis B vaccine in renal transplant patients. Vaccine. 1993;11(4):397-9. doi: 10.1016/0264-410x(93)90278-6.
PubMed 8470423
Study at a glance
From the registry record, last updated by the sponsor on 5 Jan 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Immunogenicity Of A Prophylactic Quadrivalent Human Papillomavirus (Types 6, 11, 16, And 18) L1 Virus-Like Particle Vaccine In Male And Female Adolescent Transplant Recipients.
- ClinicalTrials.gov ID
- NCT01101750
- Acronym / sponsor ID
- GardasilMerckGomez-Lobo
- Conditions
- Cervical Cancer, Hpv, Warts
- Keywords
- Gardasil, HPV, transplant, adolescent, prevention, vaccine, immunogenicity, vaccination
- Phase
- Phase 4
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 25 participants (actual)
- Lead sponsor
- Medstar Health Research InstituteUniversity, hospital or other
- Collaborators
- Merck Sharp & Dohme LLC
- Study start
- May 2010 (actual)
- Primary completion
- 20 Jan 2012 (actual)
- Study completion
- 14 Dec 2012 (actual)
- First posted
- 12 Apr 2010 (estimated)
- Results
- Posted 16 Dec 2020
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 the study is to understand if children with liver and kidney transplants develop the antibodies from the Gardasil vaccine.
The Gardasil vaccine protects against Human Papilloma Virus (HPV) types 16 and 18, which cause most types of cancers of the cervix, vagina and vulva. It also protects against Human Papilloma Virus types 6 and 11, which cause genital warts in some people. Gardasil has been approved by the Food and Drug Administration and is recommended for girls and women from ages 9-26 for the prevention of some types of cancer of the cervix, vagina and vulva as well as preventing some types of genital warts. In males that are 9-26 years old, the FDA has approved its use for prevention of some types of genital warts.
The Gardasil vaccine is made from a virus like particle and does not contain any live virus. Children with an allergy to yeast should not receive the vaccine since some components of the vaccine are made from yeast.
People who have undergone organ transplant are at increased risk of of developing genital warts and cancers related to HPV when compared to the general population. The American Society of Transplantation and the American Society of Transplant Surgeons recommend the vaccine for people with transplants.
Studies of other vaccines like Hepatitis B have shown children after transplant have less of a response to this vaccine and are not immune to the Hepatitis B virus. We are interested in seeing if your child will form antibodies (immune response) to the Gardasil vaccine.
Your child is being asked to be in the study because he or she is between the ages of 9-17 and has undergone a liver or kidney transplant more than 6 months ago and does not have any signs of organ rejection.
Detailed description
Currently Merck manufactures the HPV (types 6, 11, 16, and 18) L1 virus like particle vaccine and a description has been reported previously. (18) Merck will supply the vaccine, which will be stored as directed by the manufacturer. The vaccine will be stored at the Medstar Research Institute (Women and Infants Research Services) It will be administered by intramuscular injection (0.5 mL) into the upper arm or thigh by the research nurse (Sarah Duwel, RN or a nurse working under supervision) in the transplant clinic.
Participants will be given a form to fill out regarding allergic prior to vaccination. After the research nurse reviews the form with the patient and their guardian, an immunization or blood collection will be performed. Participants will receive a full dose vaccine on day 1, at month 2 (± 3 weeks), and at month 6 (± 3 weeks). All participants will be required to be afebrile (oral temperature <37.8° C) within 24 hours before each injection.
All female participants will undergo urine pregnancy testing and will not be vaccinated if found to be pregnant. Female participants with a positive urine pregnancy test will be informed confidentially of their test results by the study nurse and will be referred to an OB/GYN for further care.
Serum samples will be obtained from all participants on day 1, at month 3, and at month 7. Samples will be de-identified and stored at -20°C or below and anti-HPV levels will be determined using an HPV type-specific competitive Luminex xMAP-based immunoassay (cLIA). (18) Merck will make arrangements for the labs tests. This assay measures only neutralizing anti-HPV antibodies, rather than the broad assortment of vaccine-induced anti-HPV antibodies. Antibody levels will be expressed as milliMerck units (mMU) per milliliter. The lower limits of detection for the anti-HPV 6, 11, 16, and 18 cLIAs are 4.1 mMU6/mL, 3.0 mMU11/mL, 10.2 mMU16/mL, and 2.9 mMU18/mL, respectively. Assay precision is estimated to be 21.7%, 20.4%, 23.0%, and 15.9% for the anti-HPV 6, 11, 16, and 18 cLIAs respectively. Participants will be considered anti-HPV 6, 11, 16, or 18 seropositive when their anti-HPV antibody titers are 20 mMU6/mL, 16 mMU11/mL, 20 mMU16/mL, or 24 mMU18/mL, respectively.
Blood collection supplies will be obtained from a lab vendor Laprepco (www.labrepco.com). The lab we will use to process our antibody titers is PPD Labs (www.ppdi.com). De-identified blood samples will be stored by the research nurse at Mesdstar Research Institute until they are able to be shipped to the PPD lab. Our research nurses are trained in Environmental and Health Safety training based on Medstar Research Institution requirements. Antibody titers results will be mail directly to Dr. Gomez-Lobo.
Study design
- Primary purpose
- Other
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
- Model description
- Prospective study to evaluate immune response to the Gardisil vaccine in patients with a history of liver transplant and patients with a history of kidney transplant.
| Arm | Type | Receives |
|---|---|---|
| Liver and Kidney Transplant Patient Arm | Other | Biological: Quadrivalent HPV for types 6, 11, 16 and 18Standard of Care Intervention: Participants on this arm receive Gardasil vaccine and have a history of liver or kidney transplant. |
Who may qualify
- Ages
- 9 to 17 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child
Key inclusion criteria (1 listed)
- Male and female patients age 9-17 who have undergone liver or kidney transplant are on stable immunosuppressant doses for greater than 6 months
Key exclusion criteria (5 listed)
- Previous vaccination with Gardasil or Cervarix
- Allergy to Gardasil or components of Gardasil including yeast
- Diagnosis of HIV or cancer
- Pregnancy
- Blood transfusion 6 months prior to initiation of Gardasil vaccine protocol
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 |
|---|---|---|
| Quadrivalent HPV for types 6, 11, 16 and 18Also: Gardasil VaccinePer standard of care, Gardasil 0.5ml IM injection on day one, month 2, and month 6. Serum samples on day one, month 3 and month 7. | Biological | Liver and Kidney Transplant Patient Arm |
Primary outcome
Number of Subjects Showing Seroconversion to All HPV Four Serotypes
Time frame: 7 months
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 5 Jan 2021.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Background: PubMed 20070687Danzinger-Isakov L, Kumar D; AST Infectious Diseases Community of Practice. Guidelines for vaccination of solid organ transplant candidates and recipients. Am J Transplant. 2009 Dec;9 Suppl 4:S258-62. doi: 10.1111/j.1600-6143.2009.02917.x. No abstract available.
- Background: PubMed 15147424Kasiske BL, Snyder JJ, Gilbertson DT, Wang C. Cancer after kidney transplantation in the United States. Am J Transplant. 2004 Jun;4(6):905-13. doi: 10.1111/j.1600-6143.2004.00450.x.
- Background: PubMed 19115209De Vuyst H, Clifford GM, Nascimento MC, Madeleine MM, Franceschi S. Prevalence and type distribution of human papillomavirus in carcinoma and intraepithelial neoplasia of the vulva, vagina and anus: a meta-analysis. Int J Cancer. 2009 Apr 1;124(7):1626-36. doi: 10.1002/ijc.24116.
- Background: PubMed 17494927D'Souza G, Kreimer AR, Viscidi R, Pawlita M, Fakhry C, Koch WM, Westra WH, Gillison ML. Case-control study of human papillomavirus and oropharyngeal cancer. N Engl J Med. 2007 May 10;356(19):1944-56. doi: 10.1056/NEJMoa065497.
- Background: PubMed 19099026Badawi H, Ahmed H, Ismail A, Diab M, Moubarak M, Badawy A, Saber M. Role of human papillomavirus types 16, 18, and 52 in recurrent cystitis and urinary bladder cancer among Egyptian patients. Medscape J Med. 2008;10(10):232. Epub 2008 Oct 8.
- Background: PubMed 10503093Penn I. Occurrence of cancers in immunosuppressed organ transplant recipients. Clin Transpl. 1998:147-58.
- Background: PubMed 17117182Villa LL, Costa RL, Petta CA, Andrade RP, Paavonen J, Iversen OE, Olsson SE, Hoye J, Steinwall M, Riis-Johannessen G, Andersson-Ellstrom A, Elfgren K, Krogh Gv, Lehtinen M, Malm C, Tamms GM, Giacoletti K, Lupinacci L, Railkar R, Taddeo FJ, Bryan J, Esser MT, Sings HL, Saah AJ, Barr E. High sustained efficacy of a prophylactic quadrivalent human papillomavirus types 6/11/16/18 L1 virus-like particle vaccine through 5 years of follow-up. Br J Cancer. 2006 Dec 4;95(11):1459-66. doi: 10.1038/sj.bjc.6603469. Epub 2006 Nov 21.
- Background: PubMed 18930097Joura EA, Kjaer SK, Wheeler CM, Sigurdsson K, Iversen OE, Hernandez-Avila M, Perez G, Brown DR, Koutsky LA, Tay EH, Garcia P, Ault KA, Garland SM, Leodolter S, Olsson SE, Tang GW, Ferris DG, Paavonen J, Lehtinen M, Steben M, Bosch X, Dillner J, Kurman RJ, Majewski S, Munoz N, Myers ER, Villa LL, Taddeo FJ, Roberts C, Tadesse A, Bryan J, Lupinacci LC, Giacoletti KE, Lu S, Vuocolo S, Hesley TM, Haupt RM, Barr E. HPV antibody levels and clinical efficacy following administration of a prophylactic quadrivalent HPV vaccine. Vaccine. 2008 Dec 9;26(52):6844-51. doi: 10.1016/j.vaccine.2008.09.073. Epub 2008 Oct 16.
- Background: PubMed 17494925FUTURE II Study Group. Quadrivalent vaccine against human papillomavirus to prevent high-grade cervical lesions. N Engl J Med. 2007 May 10;356(19):1915-27. doi: 10.1056/NEJMoa061741.
- Background: PubMed 18162241Villa LL. Overview of the clinical development and results of a quadrivalent HPV (types 6, 11, 16, 18) vaccine. Int J Infect Dis. 2007 Nov;11 Suppl 2:S17-25. doi: 10.1016/S1201-9712(07)60017-4.
- Background: PubMed 2252022Carey W, Pimentel R, Westveer MK, Vogt D, Broughan T. Failure of hepatitis B immunization in liver transplant recipients: results of a prospective trial. Am J Gastroenterol. 1990 Dec;85(12):1590-2.
- Background: PubMed 15504229Guidelines for vaccination of solid organ transplant candidates and recipients. Am J Transplant. 2004 Nov;4 Suppl 10:160-3. doi: 10.1111/j.1600-6135.2004.00737.x. No abstract available.
- Individual participant dataSharing planned: No
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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.
Veronica Gomez-Lobo, MD principal investigator
Washington Hospital Center, Georgetown University Hospital
2 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 4 study testing Quadrivalent HPV for types 6, 11, 16 and 18 in people with Cervical Cancer and Hpv, run by Medstar Health Research Institute at 2 sites in United States.
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 5 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 5 Jan 2021. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 2 sites in United States. 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?
Yes. Results are posted in the registry (first posted 16 Dec 2020). 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 Subjects Showing Seroconversion to All HPV Four Serotypes (time frame: 7 months). 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 NCT01101750, which also lists 17 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 5 Jan 2021.