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| ID | Type | Description | Link |
|---|---|---|---|
| B1791018 |
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The primary objective is to assess whether the risk of gastric cancer is increased in pantoprazole users compared to users of other proton pump inhibitors.
All subjects who met the inclusion criteria were included in the study.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Pantoprazole | Patients who received treatment with pantoprazole tablets for at least 240 days within a 12-month period from 2000 through 2003. |
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| Other proton pump inhibitors | Patients who received treatment with any other proton pump inhibitor for at least 240 days within a 12-month period from 1996 through 2003. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Does not apply | Other | This is a non-interventional study, therefore the intervention type / name do not apply. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Incidence Rate of Gastric Cancer | Incidence rate was expressed as cases per 100,000 person-years with 95 percent (%) confidence intervals. Incidence rates were estimated from 1 year after the index date and were censored at the earliest of following events: diagnosis of gastric cancer, death, withdrawal from KPNC membership or end of the study, whichever occurred first for pantoprazole group. For other PPI group, data was also censored in case participants switched to pantoprazole group. Index date: the earliest date at which participant had achieved 240 days of study drug exposure within a 12 month time period before the study start date. Person-year was estimated by calculating all of the years that participants in a study were followed. Person-year calculations were adjusted for anticipated mortality based on United States (US) life tables. | 1 year after index date up to diagnosis of gastric cancer, death, withdrawal from KPNC membership, date when other PPI participants switched to pantoprazole or end of the study (up to Year 7.5) |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence Rate of Composite Gastrointestinal Cancers | Incidence rate was expressed as cases per 100,000 person-years with 95 percent (%) confidence intervals. Incidence rates were estimated from 1 year after the index date and were censored at the earliest of following events: diagnosis of cancer of colon, pancreas, liver or small intestine, death, withdrawal from KPNC membership or end of the study, whichever occurred first for pantoprazole group. For other PPI group, data was also censored in case participants switched to pantoprazole group. Index date: the earliest date at which participant had achieved 240 days of study drug exposure within a 12 month time period before the study start date. Person-year was estimated by calculating all of the years that participants in a study were followed. Person-year calculations were adjusted for anticipated mortality based on United States (US) life tables. |
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Inclusion Criteria:
Exclusion Criteria:
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Patients with long-term exposure to pantoprazole and other proton pump inhibitors enrolled in the Northern California Kaiser Permanente health maintenance organization.
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| Name | Affiliation | Role |
|---|---|---|
| Pfizer CT.gov Call Center | Pfizer | Study Director |
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| Label | URL |
|---|---|
| To obtain contact information for a study center near you, click here. | View source |
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| ID | Title | Description |
|---|---|---|
| FG000 | Pantoprazole | Participants enrolled in Kaiser Permanente Northern California (KPNC) health maintenance organization who received treatment with pantoprazole (Protonix, pantoprazole sodium) tablets as per standard clinical practice for at least 240 days within a 12-month period during 4 years (from 2000 to 2003) before the start of study, were observed for up to 7.5 years. |
| FG001 | Other Proton Pump Inhibitors (PPI) | Participants enrolled in KPNC health maintenance organization who received treatment with any PPI other than pantoprazole (any combination of omeprazole, lansoprazole, rabeprazole, or esomeprazole) as per standard clinical practice for at least 240 days within a 12-month period during 8 years (from 1996 to 2003) before the start of study, were observed for up to 7.5 years. |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
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Analysis population included all participants who met the inclusion criteria.
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| ID | Title | Description |
|---|---|---|
| BG000 | Pantoprazole | Participants enrolled in Kaiser Permanente Northern California (KPNC) health maintenance organization who received treatment with pantoprazole (Protonix, pantoprazole sodium) tablets as per standard clinical practice for at least 240 days within a 12-month period during 4 years (from 2000 to 2003) before the start of study, were observed for up to 7.5 years. |
| Units | Counts |
|---|---|
| Participants |
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| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Median |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Incidence Rate of Gastric Cancer | Incidence rate was expressed as cases per 100,000 person-years with 95 percent (%) confidence intervals. Incidence rates were estimated from 1 year after the index date and were censored at the earliest of following events: diagnosis of gastric cancer, death, withdrawal from KPNC membership or end of the study, whichever occurred first for pantoprazole group. For other PPI group, data was also censored in case participants switched to pantoprazole group. Index date: the earliest date at which participant had achieved 240 days of study drug exposure within a 12 month time period before the study start date. Person-year was estimated by calculating all of the years that participants in a study were followed. Person-year calculations were adjusted for anticipated mortality based on United States (US) life tables. | Analysis population included all participants who met the inclusion criteria. | Posted | Number | 95% Confidence Interval | incidence per 100000 person-years | 1 year after index date up to diagnosis of gastric cancer, death, withdrawal from KPNC membership, date when other PPI participants switched to pantoprazole or end of the study (up to Year 7.5) |
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The study used de-identified patient-level electronic health related databases (e-HRD), in which it was not possible to link a particular product and medical event for any participant. Thus, minimum criteria for reporting an adverse event were not available and adverse events were not reportable as individual AE reports.
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Pantoprazole | Participants enrolled in Kaiser Permanente Northern California (KPNC) health maintenance organization who received treatment with pantoprazole (Protonix, pantoprazole sodium) tablets as per standard clinical practice for at least 240 days within a 12-month period during 4 years (from 2000 to 2003) before the start of study, were observed for up to 7.5 years. |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Pfizer ClinicalTrials.gov Call Center | Pfizer, Inc. | 1-800-718-1021 | ClinicalTrials.gov_Inquiries@pfizer.com |
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| ID | Term |
|---|---|
| D004941 | Esophagitis |
| D013274 | Stomach Neoplasms |
| D004067 | Digestive System Neoplasms |
| D009369 | Neoplasms |
| ID | Term |
|---|---|
| D004935 | Esophageal Diseases |
| D005767 | Gastrointestinal Diseases |
| D004066 | Digestive System Diseases |
| D005759 | Gastroenteritis |
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| Does not apply | Other | This is a non-interventional study, therefore the intervention type / name do not apply. |
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| 1 year after index date up to diagnosis of gastrointestinal cancer, death, withdrawal from KPNC membership, date when other PPI participants switched to pantoprazole or end of the study (up to Year 7.5) |
| Incidence Rate of Overall Cancer | Incidence rate was expressed as cases per 100,000 person-years with 95 percent (%) confidence intervals. Incidence rates were estimated from 1 year after the index date and were censored at the earliest of following events: diagnosis of any type of cancer (excluding non-melanoma skin cancers), death, withdrawal from KPNC membership or end of the study, whichever occurred first for pantoprazole group. For other PPI group, data was also censored in case participants switched to pantoprazole group. Index date: the earliest date at which participant had achieved 240 days of study drug exposure within a 12 month time period before the study start date. Person-year was estimated by calculating all of the years that participants in a study were followed. Person-year calculations were adjusted for anticipated mortality based on United States (US) life tables. | 1 year after index date up to diagnosis of any cancer, death, withdrawal from KPNC membership, date when other PPI participants switched to pantoprazole or end of the study (up to Year 7.5) |
| BG001 | Other Proton Pump Inhibitors (PPI) | Participants enrolled in KPNC health maintenance organization who received treatment with any PPI other than pantoprazole (any combination of omeprazole, lansoprazole, rabeprazole, or esomeprazole) as per standard clinical practice for at least 240 days within a 12-month period during 8 years (from 1996 to 2003) before the start of study, were observed for up to 7.5 years. |
| BG002 | Total | Total of all reporting groups |
| years |
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| Sex: Female, Male | Count of Participants | Participants |
|
| ID | Title | Description |
|---|
| OG000 | Pantoprazole | Participants enrolled in Kaiser Permanente Northern California (KPNC) health maintenance organization who received treatment with pantoprazole (Protonix, pantoprazole sodium) tablets as per standard clinical practice for at least 240 days within a 12-month period during 4 years (from 2000 to 2003) before the start of study, were observed for up to 7.5 years. |
| OG001 | Other Proton Pump Inhibitors (PPI) | Participants enrolled in KPNC health maintenance organization who received treatment with any PPI other than pantoprazole (any combination of omeprazole, lansoprazole, rabeprazole, or esomeprazole) as per standard clinical practice for at least 240 days within a 12-month period during 8 years (from 1996 to 2003) before the start of study, were observed for up to 7.5 years. |
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| Secondary | Incidence Rate of Composite Gastrointestinal Cancers | Incidence rate was expressed as cases per 100,000 person-years with 95 percent (%) confidence intervals. Incidence rates were estimated from 1 year after the index date and were censored at the earliest of following events: diagnosis of cancer of colon, pancreas, liver or small intestine, death, withdrawal from KPNC membership or end of the study, whichever occurred first for pantoprazole group. For other PPI group, data was also censored in case participants switched to pantoprazole group. Index date: the earliest date at which participant had achieved 240 days of study drug exposure within a 12 month time period before the study start date. Person-year was estimated by calculating all of the years that participants in a study were followed. Person-year calculations were adjusted for anticipated mortality based on United States (US) life tables. | Analysis population included all participants who met the inclusion criteria. | Posted | Number | 95% Confidence Interval | incidence per 100000 person-years | 1 year after index date up to diagnosis of gastrointestinal cancer, death, withdrawal from KPNC membership, date when other PPI participants switched to pantoprazole or end of the study (up to Year 7.5) |
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| Secondary | Incidence Rate of Overall Cancer | Incidence rate was expressed as cases per 100,000 person-years with 95 percent (%) confidence intervals. Incidence rates were estimated from 1 year after the index date and were censored at the earliest of following events: diagnosis of any type of cancer (excluding non-melanoma skin cancers), death, withdrawal from KPNC membership or end of the study, whichever occurred first for pantoprazole group. For other PPI group, data was also censored in case participants switched to pantoprazole group. Index date: the earliest date at which participant had achieved 240 days of study drug exposure within a 12 month time period before the study start date. Person-year was estimated by calculating all of the years that participants in a study were followed. Person-year calculations were adjusted for anticipated mortality based on United States (US) life tables. | Analysis population included all participants who met the inclusion criteria. | Posted | Number | 95% Confidence Interval | incidence per 100000 person-years | 1 year after index date up to diagnosis of any cancer, death, withdrawal from KPNC membership, date when other PPI participants switched to pantoprazole or end of the study (up to Year 7.5) |
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| 0 |
| 0 |
| 0 |
| 0 |
| EG001 | Other Proton Pump Inhibitors (PPI) | Participants enrolled in KPNC health maintenance organization who received treatment with any PPI other than pantoprazole (any combination of omeprazole, lansoprazole, rabeprazole, or esomeprazole) as per standard clinical practice for at least 240 days within a 12-month period during 8 years (from 1996 to 2003) before the start of study, were observed for up to 7.5 years. | 0 | 0 | 0 | 0 |
Pfizer has the right to review disclosures, requesting a delay of less than 60 days. Investigator will postpone single center publications until after disclosure of pooled data (all sites), less than 12 months from study completion/termination at all participating sites. Investigator may not disclose previously undisclosed confidential information other than study results.
| D005770 | Gastrointestinal Neoplasms |
| D009371 | Neoplasms by Site |
| D013272 | Stomach Diseases |