Infections, PapillomavirusPhase 2NCT00359619
Human Papillomavirus Vaccine Immunogenicity and Safety Trial in Young Adult Women With GSK Biologicals Novel HPV Vaccine
A Phase 2 study testing CervarixTM and HPV investigational vaccine GSK568893A, different formulations in people with Infections, Papillomavirus and Papillomavirus Vaccines, run by GlaxoSmithKline at 10 sites in 2 countries.
Trial summary
Infection with human papillomavirus (HPV) has been clearly established as the central cause of cervical cancer. Indeed, certain oncogenic types of HPV can infect the cervix (part of the uterus or womb). Read more about this study
- Who is it for?
- Ages 18 to 25 years, women onlyHealthy volunteers can take part
- Conditions the study is for
- Infections, Papillomavirus, Papillomavirus Vaccines
- What is being tested?
- CervarixTM and HPV investigational vaccine GSK568893A, different formulations
- Type of treatment
- Vaccines, Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 383 participants
- Where
- 10 sitesin 2 countries
- Study dates
- 12 Sep 2006to 30 Jan 2007
- Phase
- Phase 2
- 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 25 years
- Women only
- Healthy volunteers accepted
- Adult
Who may be able to join
- A female who enrolled in the study 102115 and received three doses of vaccine.
- Written informed consent obtained from the subject prior to enrolment.
Who cannot join
- Use (or planned use during the study period) of any investigational or non-registered product or off-label use of licensed product (drug or vaccine).
- Chronic administration of immunosuppressants or other immune-modifying drugs occurring less than three months prior to blood sampling.
- Administration of immunoglobulins and/or any blood products within the three months preceding blood sampling.
- Planned administration of any HPV vaccine, other than that foreseen by the study protocol, during the study period.
Trial locations and contacts
10 sites in 2 countries.
10 sites in 2 countries
Belgium6 sites
GSK Investigational Site
Brussels, 1070
GSK Investigational Site
Ghent, 9000
GSK Investigational Site
Leuven, 3000
GSK Investigational Site
Liège, 4000
GSK Investigational Site
Tienen, 3300
GSK Investigational Site
Wilrijk, 2610
United States4 sites
GSK Investigational Site
Denver, Colorado, 80262
GSK Investigational Site
Golden, Colorado, 80401
GSK Investigational Site
Salt Lake City, Utah, 84109
GSK Investigational Site
Salt Lake City, Utah, 84121
About this study
Official title: A Long-term, Follow-up of the Immunogenicity and Safety of GlaxoSmithKline Biologicals' Novel HPV Vaccine in Healthy Female Subjects Vaccinated in the Primary Study
Infection with human papillomavirus (HPV) has been clearly established as the central cause of cervical cancer. Indeed, certain oncogenic types of HPV can infect the cervix (part of the uterus or womb). This infection may go away by itself, but if it does not go away (this is called persistent infection), it can lead in women over a long period of time to cancer of the cervix. GlaxoSmithKline Biological's has developed a HPV vaccine against the oncogenic types HPV-16 and HPV-18 formulated with the AS04 adjuvant (control vaccine) and is also evaluating novel HPV vaccines formulations. This study will evaluate the long-term immunogenicity and safety of a novel GSK Biological's vaccine in approximately 376 subjects who received the novel vaccine or the control vaccine administered in the primary study.
The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.
- Being tested
- CervarixTM, HPV investigational vaccine GSK568893A, different formulations
- Keywords
- HPV vaccine
- Medical subject headings
- Papillomavirus Infections
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
CervarixTMBiological
Subjects were administered three doses of HPV vaccine
HPV investigational vaccine GSK568893A, different formulationsBiological
Subjects were administered three doses of HPV investigational vaccine
| Study group | Role | What they receive |
|---|---|---|
| Cervarix Group | Active comparator | Female subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. Receives: Biological: CervarixTM |
| Cervarix 1 Group | Experimental | Female subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine formulation 1 at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. Receives: Biological: HPV investigational vaccine GSK568893A, different formulations |
| Cervarix 2 Group | Experimental | Female subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine formulation 2 at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. Receives: Biological: HPV investigational vaccine GSK568893A, different formulations |
| Cervarix 3 Group | Experimental | Female subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine formulation 3 at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. Receives: Biological: HPV investigational vaccine GSK568893A, different formulations |
| Cervarix 4 Group | Experimental | Female subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine formulation 4 at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. Receives: Biological: HPV investigational vaccine GSK568893A, different formulations |
| Cervarix 5 Group | Experimental | Female subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine formulation 5 at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. Receives: Biological: HPV investigational vaccine GSK568893A, different formulations |
| Cervarix 6 Group | Experimental | Female subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine formulation 6 at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. Receives: Biological: HPV investigational vaccine GSK568893A, different formulations |
What is being measured
The primary outcome is the main question the study is designed to answer.
Number of Seroconverted Subjects Against Human Papillomavirus-16 (HPV-16) Antibodies.
Seroconversion was defined as the appearance of antibodies in the serum of subjects seronegative before vaccination. Seronegative subjects are subjects who had an antibody concentration below cut-off value. The assessed cut-off value was 8 ELISA units per milliliter (EL.U/mL).
Measured: At Months 18, 24, 36 and 48.
Geometric Mean Titers (GMTs) for Human Papillomavirus-16 (HPV-16) Antibodies.
Antibody titers were expressed as GMTs. The reference cut-off value was greater than or equal to (≥) 8 EL.U/mL.
Measured: At Months 18, 24, 36 and 48.
Geometric Mean Titers (GMTs) for Human Papillomavirus-16 (HPV-16) Antibodies
Antibody titers were expressed as GMTs. The reference cut-off value was greater than or equal to (≥) 8 EL.U/mL.
Measured: At Months 18, 24, 36 and 48.
Number of Seroconverted Subjects Against Human Papillomavirus-18 (HPV-18) Antibodies.
Seroconversion was defined as the appearance of antibodies in the serum of subjects seronegative before vaccination. Seronegative subjects are subjects who had an antibody concentration below cut-off value. The assessed cut-off value was 7 EL.U/mL.
Measured: At Months 18, 24, 36 and 48.
Geometric Mean Titers (GMTs) for Human Papillomavirus-18 (HPV-18) Antibodies.
Antibody titers were expressed as GMTs. The reference cut-off value was ≥ 7 EL.U/mL.
Measured: At Months 18, 24, 36 and 48.
Geometric Mean Titers (GMTs) for Human Papillomavirus-18 (HPV-18) Antibodies
Antibody titers were expressed as GMTs. The reference cut-off value was greater than or equal to (≥) 7 EL.U/mL.
Measured: At Months 18, 24, 36 and 48.
Secondary outcomes (11)
Number of Seroconverted Subjects Against Human Papillomavirus-31 (HPV-31) Antibodies.
Seroconversion was defined as the appearance of antibodies in the serum of subjects seronegative before vaccination. Seronegative subjects are subjects who had an antibody concentration below cut-off value. The assessed cut-off value was 59 EL.U/mL.
Measured: At Months 18, 24, 36 and 48.
Geometric Mean Titers (GMTs) for Human Papillomavirus-31 (HPV-31) Antibodies.
Antibody titers were expressed as GMTs. The reference cut-off value was ≥ 59 EL.U/mL.
Measured: At Months 18, 24, 36 and 48.
Number of Seroconverted Subjects Against Human Papillomavirus-45 (HPV-45) Antibodies.
Seroconversion was defined as the appearance of antibodies in the serum of subjects seronegative before vaccination. Seronegative subjects are subjects who had an antibody concentration below cut-off value. The assessed cut-off value was 59 EL.U/mL.
Measured: At Months 18, 24, 36 and 48.
Geometric Mean Titers (GMTs) for Human Papillomavirus-45 (HPV-45) Antibodies.
Antibody titers were expressed as GMTs. The reference cut-off value was ≥ 59 EL.U/mL.
Measured: At Months 18, 24, 36 and 48.
Number of Subjects With at Least One New Onset of Chronic Disease (NOCDs)
NOCDs include conditions such as diabetes, autoimmune disease, asthma, allergies etc. At least one NOCD = At least one NOCD experienced (regardless of the Medical Dictionary for Regulatory Activities [MedDRA] Preferred Term)
Measured: From Month 0 to Months 18, 24, 36 and 48
Number of Subjects With at Least One Medically Significant Condition (MAEs).
MAEs were defined as adverse events (AEs) prompting emergency room or physician visits that were not related to common diseases or routine visits for physical examination or vaccination, or serious adverse events (SAEs) that were not related to common diseases. Common diseases included: upper respiratory infections, sinusitis, pharyngitis, gastroenteritis, urinary tract infections, cervicovaginal yeast infections, menstrual cycle abnormalities, and injury. At least one MAE = At least one medically significant AE experienced (regardless of the MedDRA Preferred Term).
Measured: From Month 0 to Months 18, 24, 36 and 48
Number of Subjects With Any Serious Adverse Events (SAEs).
SAEs assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization, result in disability/incapacity, or are a congenital anomaly/birth defect in the offspring of a study subject. Any = Occurrence of any symptom regardless of intensity grade.
Measured: From Month 0 to Months 18, 24, 36 and 48
Number of Subjects With Pregnancy Outcomes.
Pregnancy outcomes were healthy baby, spontaneous abortion and elective abortion.
Measured: From Month 0 to Month 18
Number of Subjects With Pregnancy Outcomes.
Pregnancy outcomes were healthy baby, spontaneous abortion, elective abortion and ongoing pregnancy.
Measured: From Month 0 to Month 24
Number of Subjects With Pregnancy Outcomes.
Pregnancy outcomes were healthy baby, abnormal infant/congenital anomaly, spontaneous abortion and elective abortion.
Measured: From Month 0 to Month 36
Number of Subjects With Pregnancy Outcomes.
Pregnancy outcomes were normal infant, abnormal infant/congenital anomaly, spontaneous abortion and elective termination.
Measured: From Month 0 to Month 48
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted2 Aug 2006 (estimated)
- Study start12 Sep 2006
- Primary completion30 Jan 2007
- Study completion30 Jan 2007
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.
- Other trials for Infections, PapillomavirusStudies of the same condition, open and under way.
- More trials run by GlaxoSmithKlineThe 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 2
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 383 participants (actual)
Sponsor and investigators
- Lead sponsor
- GlaxoSmithKline
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- GSK Clinical Trials, Study director, GlaxoSmithKline
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00359619
- Sponsor's protocol ID
- 108052 (FU month 18)
- Other IDs
- 107919, 107921, 107918, 2004-003766-14, 2004
- Status last verified
- Dec 2019
- First submitted
- 18 Jul 2006
- Last updated
- 2 Jan 2020
- Results posted
- Yes, on ClinicalTrials.gov
- Individual data sharing
- Yes: IPD is available via the Clinical Study Data Request site (click on the link provided below)
Study at a glance
From the registry record, last updated by the sponsor on 2 Jan 2020. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Long-term, Follow-up of the Immunogenicity and Safety of GlaxoSmithKline Biologicals' Novel HPV Vaccine in Healthy Female Subjects Vaccinated in the Primary Study
- ClinicalTrials.gov ID
- NCT00359619
- Acronym / sponsor ID
- 108052 (FU month 18)
- Keywords
- HPV vaccine
- Phase
- Phase 2
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 383 participants (actual)
- Lead sponsor
- GlaxoSmithKlineIndustry (pharma, biotech, devices)
- Study start
- 12 Sep 2006 (actual)
- Primary completion
- 30 Jan 2007 (actual)
- Study completion
- 30 Jan 2007 (actual)
- First posted
- 2 Aug 2006 (estimated)
- Results
- Posted 10 Feb 2015
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Infection with human papillomavirus (HPV) has been clearly established as the central cause of cervical cancer. Indeed, certain oncogenic types of HPV can infect the cervix (part of the uterus or womb). This infection may go away by itself, but if it does not go away (this is called persistent infection), it can lead in women over a long period of time to cancer of the cervix. GlaxoSmithKline Biological's has developed a HPV vaccine against the oncogenic types HPV-16 and HPV-18 formulated with the AS04 adjuvant (control vaccine) and is also evaluating novel HPV vaccines formulations. This study will evaluate the long-term immunogenicity and safety of a novel GSK Biological's vaccine in approximately 376 subjects who received the novel vaccine or the control vaccine administered in the primary study.
The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 7
| Arm | Type | Receives |
|---|---|---|
| Cervarix Group | Active comparator | Biological: CervarixTMFemale subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. |
| Cervarix 1 Group | Experimental | Biological: HPV investigational vaccine GSK568893A, different formulationsFemale subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine formulation 1 at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. |
| Cervarix 2 Group | Experimental | Biological: HPV investigational vaccine GSK568893A, different formulationsFemale subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine formulation 2 at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. |
| Cervarix 3 Group | Experimental | Biological: HPV investigational vaccine GSK568893A, different formulationsFemale subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine formulation 3 at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. |
| Cervarix 4 Group | Experimental | Biological: HPV investigational vaccine GSK568893A, different formulationsFemale subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine formulation 4 at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. |
| Cervarix 5 Group | Experimental | Biological: HPV investigational vaccine GSK568893A, different formulationsFemale subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine formulation 5 at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. |
| Cervarix 6 Group | Experimental | Biological: HPV investigational vaccine GSK568893A, different formulationsFemale subjects, aged 18 to 25 years at the time of first vaccination, received 3 doses of Cervarix vaccine formulation 6 at Months 0, 1 and 6. The vaccine was administered intramuscularly into the deltoid region of the non-dominant arm. |
Who may qualify
- Ages
- 18 to 25 years
- Sex
- Female only
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (2 listed)
- A female who enrolled in the study 102115 and received three doses of vaccine.
- Written informed consent obtained from the subject prior to enrolment.
Key exclusion criteria (4 listed)
- Use (or planned use during the study period) of any investigational or non-registered product or off-label use of licensed product (drug or vaccine).
- Chronic administration of immunosuppressants or other immune-modifying drugs occurring less than three months prior to blood sampling.
- Administration of immunoglobulins and/or any blood products within the three months preceding blood sampling.
- Planned administration of any HPV vaccine, other than that foreseen by the study protocol, during the study period.
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 |
|---|---|---|
| CervarixTMSubjects were administered three doses of HPV vaccine | Biological | Cervarix Group |
| HPV investigational vaccine GSK568893A, different formulationsSubjects were administered three doses of HPV investigational vaccine | Biological | Cervarix 1 Group, Cervarix 2 Group, Cervarix 3 Group, Cervarix 4 Group, Cervarix 5 Group, Cervarix 6 Group |
Primary outcome
Number of Seroconverted Subjects Against Human Papillomavirus-16 (HPV-16) Antibodies.
Time frame: At Months 18, 24, 36 and 48.
Seroconversion was defined as the appearance of antibodies in the serum of subjects seronegative before vaccination. Seronegative subjects are subjects who had an antibody concentration below cut-off value. The assessed cut-off value was 8 ELISA units per milliliter (EL.U/mL).
Geometric Mean Titers (GMTs) for Human Papillomavirus-16 (HPV-16) Antibodies.
Time frame: At Months 18, 24, 36 and 48.
Antibody titers were expressed as GMTs. The reference cut-off value was greater than or equal to (≥) 8 EL.U/mL.
Geometric Mean Titers (GMTs) for Human Papillomavirus-16 (HPV-16) Antibodies
Time frame: At Months 18, 24, 36 and 48.
Antibody titers were expressed as GMTs. The reference cut-off value was greater than or equal to (≥) 8 EL.U/mL.
Number of Seroconverted Subjects Against Human Papillomavirus-18 (HPV-18) Antibodies.
Time frame: At Months 18, 24, 36 and 48.
Seroconversion was defined as the appearance of antibodies in the serum of subjects seronegative before vaccination. Seronegative subjects are subjects who had an antibody concentration below cut-off value. The assessed cut-off value was 7 EL.U/mL.
Geometric Mean Titers (GMTs) for Human Papillomavirus-18 (HPV-18) Antibodies.
Time frame: At Months 18, 24, 36 and 48.
Antibody titers were expressed as GMTs. The reference cut-off value was ≥ 7 EL.U/mL.
Geometric Mean Titers (GMTs) for Human Papillomavirus-18 (HPV-18) Antibodies
Time frame: At Months 18, 24, 36 and 48.
Antibody titers were expressed as GMTs. The reference cut-off value was greater than or equal to (≥) 7 EL.U/mL.
11 secondary outcomes
Number of Seroconverted Subjects Against Human Papillomavirus-31 (HPV-31) Antibodies.
Time frame: At Months 18, 24, 36 and 48.
Geometric Mean Titers (GMTs) for Human Papillomavirus-31 (HPV-31) Antibodies.
Time frame: At Months 18, 24, 36 and 48.
Number of Seroconverted Subjects Against Human Papillomavirus-45 (HPV-45) Antibodies.
Time frame: At Months 18, 24, 36 and 48.
Geometric Mean Titers (GMTs) for Human Papillomavirus-45 (HPV-45) Antibodies.
Time frame: At Months 18, 24, 36 and 48.
Number of Subjects With at Least One New Onset of Chronic Disease (NOCDs)
Time frame: From Month 0 to Months 18, 24, 36 and 48
Number of Subjects With at Least One Medically Significant Condition (MAEs).
Time frame: From Month 0 to Months 18, 24, 36 and 48
Number of Subjects With Any Serious Adverse Events (SAEs).
Time frame: From Month 0 to Months 18, 24, 36 and 48
Number of Subjects With Pregnancy Outcomes.
Time frame: From Month 0 to Month 18
Number of Subjects With Pregnancy Outcomes.
Time frame: From Month 0 to Month 24
Number of Subjects With Pregnancy Outcomes.
Time frame: From Month 0 to Month 36
Number of Subjects With Pregnancy Outcomes.
Time frame: From Month 0 to Month 48
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 2 Jan 2020.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Researchers can use this site to request access to anonymised patient level data and/or supporting documents from clinical studies to conduct further research.Link provided by the sponsor.
- Individual participant dataSharing planned: Yes. IPD is available via the Clinical Study Data Request site (click on the link provided below)
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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.
GSK Clinical Trials study director
GlaxoSmithKline
10 sites in 2 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2 study testing CervarixTM and HPV investigational vaccine GSK568893A, different formulations in people with Infections, Papillomavirus and Papillomavirus Vaccines, run by GlaxoSmithKline at 10 sites in 2 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 2 inclusion and 4 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 2 Jan 2020. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 10 sites in Belgium, 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
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 10 Feb 2015). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Number of Seroconverted Subjects Against Human Papillomavirus-16 (HPV-16) Antibodies. (time frame: At Months 18, 24, 36 and 48.). The study lists 6 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
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 2 Jan 2020.