ClinicalTrials.gov record
Testing the Addition of an Anticancer Drug, Olaparib, to the Usual Chemotherapy (Temozolomide) for Advanced Neuroendocrine Cancer
ClinicalTrials.gov ID: NCT04394858
Public ClinicalTrials.gov record NCT04394858. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
ClinicalTrials.gov public records Last synced May 6, 2026, 8:07 PM EDT
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Prospective, Multi-Institutional Phase II Trial Evaluating Temozolomide vs. Temozolomide and Olaparib for Advanced Pheochromocytoma and Paraganglioma
Study identification
- NCT ID
- NCT04394858
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Enrollment
- 46 participants
Conditions and interventions
Conditions
- Advanced Adrenal Gland Pheochromocytoma
- Advanced Paraganglioma
- Metastatic Adrenal Gland Pheochromocytoma
- Metastatic Paraganglioma
- Stage III Adrenal Gland Pheochromocytoma and Sympathetic Paraganglioma AJCC v8
- Stage IV Adrenal Gland Pheochromocytoma and Sympathetic Paraganglioma AJCC v8
- Unresectable Adrenal Gland Pheochromocytoma
- Unresectable Paraganglioma
Interventions
- Biospecimen Collection Procedure
- Computed Tomography with Contrast Procedure
- Magnetic Resonance Imaging Procedure
- Olaparib Drug
- Quality-of-Life Assessment Other
- Temozolomide Drug
Procedure · Drug · Other
Eligibility (public fields only)
- Age range
- 12 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 16, 2021
- Primary completion
- Feb 29, 2028
- Completion
- Feb 29, 2028
- Last update posted
- Apr 12, 2026
2021 – 2028
United States locations
- U.S. sites
- 163
- U.S. states
- 22
- U.S. cities
- 123
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Anchorage Associates in Radiation Medicine | Anchorage | Alaska | 98508 | — |
| Anchorage Radiation Therapy Center | Anchorage | Alaska | 99504 | — |
| Alaska Breast Care and Surgery LLC | Anchorage | Alaska | 99508 | — |
| Alaska Oncology and Hematology LLC | Anchorage | Alaska | 99508 | — |
| Alaska Women's Cancer Care | Anchorage | Alaska | 99508 | — |
| Anchorage Oncology Centre | Anchorage | Alaska | 99508 | — |
| Katmai Oncology Group | Anchorage | Alaska | 99508 | — |
| Providence Alaska Medical Center | Anchorage | Alaska | 99508 | — |
| Providence Saint Joseph Medical Center/Disney Family Cancer Center | Burbank | California | 91505 | — |
| Holy Cross Hospital | Fort Lauderdale | Florida | 33308 | — |
| UF Health Cancer Institute - Gainesville | Gainesville | Florida | 32610 | — |
| Saint Luke's Cancer Institute - Boise | Boise | Idaho | 83712 | — |
| Saint Luke's Cancer Institute - Fruitland | Fruitland | Idaho | 83619 | — |
| Saint Luke's Cancer Institute - Meridian | Meridian | Idaho | 83642 | — |
| Saint Luke's Cancer Institute - Nampa | Nampa | Idaho | 83687 | — |
| Saint Luke's Cancer Institute - Twin Falls | Twin Falls | Idaho | 83301 | — |
| Illinois CancerCare-Bloomington | Bloomington | Illinois | 61704 | — |
| Illinois CancerCare-Canton | Canton | Illinois | 61520 | — |
| Illinois CancerCare-Carthage | Carthage | Illinois | 62321 | — |
| Centralia Oncology Clinic | Centralia | Illinois | 62801 | — |
| University of Chicago Comprehensive Cancer Center | Chicago | Illinois | 60637 | — |
| Carle at The Riverfront | Danville | Illinois | 61832 | — |
| Cancer Care Specialists of Illinois - Decatur | Decatur | Illinois | 62526 | — |
| Illinois CancerCare-Dixon | Dixon | Illinois | 61021 | — |
| Carle Physician Group-Effingham | Effingham | Illinois | 62401 | — |
| Crossroads Cancer Center | Effingham | Illinois | 62401 | — |
| Illinois CancerCare-Eureka | Eureka | Illinois | 61530 | — |
| Illinois CancerCare-Galesburg | Galesburg | Illinois | 61401 | — |
| Illinois CancerCare-Kewanee Clinic | Kewanee | Illinois | 61443 | — |
| Illinois CancerCare-Macomb | Macomb | Illinois | 61455 | — |
| Carle Physician Group-Mattoon/Charleston | Mattoon | Illinois | 61938 | — |
| UC Comprehensive Cancer Center at Silver Cross | New Lenox | Illinois | 60451 | — |
| Cancer Care Center of O'Fallon | O'Fallon | Illinois | 62269 | — |
| University of Chicago Medicine-Orland Park | Orland Park | Illinois | 60462 | — |
| Illinois CancerCare-Ottawa Clinic | Ottawa | Illinois | 61350 | — |
| Illinois CancerCare-Pekin | Pekin | Illinois | 61554 | — |
| Illinois CancerCare-Peoria | Peoria | Illinois | 61615 | — |
| Illinois CancerCare-Peru | Peru | Illinois | 61354 | — |
| Illinois CancerCare-Princeton | Princeton | Illinois | 61356 | — |
| Carle Cancer Center | Urbana | Illinois | 61801 | — |
| Illinois CancerCare - Washington | Washington | Illinois | 61571 | — |
| National Institutes of Health Clinical Center | Bethesda | Maryland | 20892 | — |
| Dana-Farber Cancer Institute | Boston | Massachusetts | 02215 | — |
| Dana-Farber Cancer Institute - Chestnut Hill | Newton | Massachusetts | 02467 | — |
| Trinity Health Saint Joseph Mercy Hospital Ann Arbor | Ann Arbor | Michigan | 48106 | — |
| Trinity Health IHA Medical Group Hematology Oncology - Brighton | Brighton | Michigan | 48114 | — |
| Trinity Health Medical Center - Brighton | Brighton | Michigan | 48114 | — |
| Trinity Health IHA Medical Group Hematology Oncology - Canton | Canton | Michigan | 48188 | — |
| Trinity Health Medical Center - Canton | Canton | Michigan | 48188 | — |
| Caro Cancer Center | Caro | Michigan | 48723 | — |
| Chelsea Hospital | Chelsea | Michigan | 48118 | — |
| Trinity Health IHA Medical Group Hematology Oncology - Chelsea Hospital | Chelsea | Michigan | 48118 | — |
| Hematology Oncology Consultants-Clarkston | Clarkston | Michigan | 48346 | — |
| Newland Medical Associates-Clarkston | Clarkston | Michigan | 48346 | — |
| Henry Ford Health Saint John Hospital | Detroit | Michigan | 48236 | — |
| Henry Ford River District Hospital | East China Township | Michigan | 48054 | — |
| Cancer Hematology Centers - Flint | Flint | Michigan | 48503 | — |
| Genesee Hematology Oncology PC | Flint | Michigan | 48503 | — |
| Genesys Hurley Cancer Institute | Flint | Michigan | 48503 | — |
| Hurley Medical Center | Flint | Michigan | 48503 | — |
| Henry Ford Saint John Hospital - Academic | Grosse Pointe Woods | Michigan | 48236 | — |
| Henry Ford Saint John Hospital - Breast | Grosse Pointe Woods | Michigan | 48236 | — |
| Henry Ford Saint John Hospital - Van Elslander | Grosse Pointe Woods | Michigan | 48236 | — |
| University of Michigan Health - Sparrow Lansing | Lansing | Michigan | 48912 | — |
| Hope Cancer Clinic | Livonia | Michigan | 48154 | — |
| Trinity Health Saint Mary Mercy Livonia Hospital | Livonia | Michigan | 48154 | — |
| Henry Ford Saint John Hospital - Macomb Medical | Macomb | Michigan | 48044 | — |
| Henry Ford Warren Hospital - Breast Macomb | Macomb | Michigan | 48044 | — |
| Saint Mary's Oncology/Hematology Associates of Marlette | Marlette | Michigan | 48453 | — |
| Hope Cancer Center | Pontiac | Michigan | 48341 | — |
| Michigan Healthcare Professionals Pontiac | Pontiac | Michigan | 48341 | — |
| Newland Medical Associates-Pontiac | Pontiac | Michigan | 48341 | — |
| Trinity Health Saint Joseph Mercy Oakland Hospital | Pontiac | Michigan | 48341 | — |
| Henry Ford Rochester Hospital | Rochester Hills | Michigan | 48309 | — |
| MyMichigan Medical Center Saginaw | Saginaw | Michigan | 48601 | — |
| Oncology Hematology Associates of Saginaw Valley PC | Saginaw | Michigan | 48604 | — |
| Bhadresh Nayak MD PC-Sterling Heights | Sterling Heights | Michigan | 48312 | — |
| MyMichigan Medical Center Tawas | Tawas City | Michigan | 48764 | — |
| Advanced Breast Care Center PLLC | Warren | Michigan | 48088 | — |
| Henry Ford Health Warren Hospital | Warren | Michigan | 48093 | — |
| Henry Ford Madison Heights Hospital - Breast | Warren | Michigan | 48093 | — |
| Henry Ford Warren Hospital - GLCMS | Warren | Michigan | 48093 | — |
| Macomb Hematology Oncology PC | Warren | Michigan | 48093 | — |
| Saint Mary's Oncology/Hematology Associates of West Branch | West Branch | Michigan | 48661 | — |
| Huron Gastroenterology PC | Ypsilanti | Michigan | 48106 | — |
| Trinity Health IHA Medical Group Hematology Oncology Ann Arbor Campus | Ypsilanti | Michigan | 48197 | — |
| Fairview Ridges Hospital | Burnsville | Minnesota | 55337 | — |
| Minnesota Oncology - Burnsville | Burnsville | Minnesota | 55337 | — |
| Cambridge Medical Center | Cambridge | Minnesota | 55008 | — |
| Mercy Hospital | Coon Rapids | Minnesota | 55433 | — |
| Fairview Southdale Hospital | Edina | Minnesota | 55435 | — |
| Unity Hospital | Fridley | Minnesota | 55432 | — |
| Fairview Clinics and Surgery Center Maple Grove | Maple Grove | Minnesota | 55369 | — |
| Minnesota Oncology Hematology PA-Maplewood | Maplewood | Minnesota | 55109 | — |
| Saint John's Hospital - Healtheast | Maplewood | Minnesota | 55109 | — |
| Abbott-Northwestern Hospital | Minneapolis | Minnesota | 55407 | — |
| Hennepin County Medical Center | Minneapolis | Minnesota | 55415 | — |
| Health Partners Inc | Minneapolis | Minnesota | 55454 | — |
| Monticello Cancer Center | Monticello | Minnesota | 55362 | — |
| New Ulm Medical Center | New Ulm | Minnesota | 56073 | — |
| Fairview Northland Medical Center | Princeton | Minnesota | 55371 | — |
| North Memorial Medical Health Center | Robbinsdale | Minnesota | 55422 | — |
| Mayo Clinic in Rochester | Rochester | Minnesota | 55905 | — |
| Park Nicollet Clinic - Saint Louis Park | Saint Louis Park | Minnesota | 55416 | — |
| Regions Hospital | Saint Paul | Minnesota | 55101 | — |
| United Hospital | Saint Paul | Minnesota | 55102 | — |
| Saint Francis Regional Medical Center | Shakopee | Minnesota | 55379 | — |
| Lakeview Hospital | Stillwater | Minnesota | 55082 | — |
| Ridgeview Medical Center | Waconia | Minnesota | 55387 | — |
| Rice Memorial Hospital | Willmar | Minnesota | 56201 | — |
| Minnesota Oncology Hematology PA-Woodbury | Woodbury | Minnesota | 55125 | — |
| Fairview Lakes Medical Center | Wyoming | Minnesota | 55092 | — |
| Saint Francis Medical Center | Cape Girardeau | Missouri | 63703 | — |
| Saint Patrick Hospital - Community Hospital | Missoula | Montana | 59802 | — |
| Memorial Sloan Kettering Basking Ridge | Basking Ridge | New Jersey | 07920 | — |
| Memorial Sloan Kettering Monmouth | Middletown | New Jersey | 07748 | — |
| Memorial Sloan Kettering Bergen | Montvale | New Jersey | 07645 | — |
| Albany Medical Center | Albany | New York | 12208 | — |
| Memorial Sloan Kettering Commack | Commack | New York | 11725 | — |
| Memorial Sloan Kettering Westchester | Harrison | New York | 10604 | — |
| Memorial Sloan Kettering Cancer Center | New York | New York | 10065 | — |
| Memorial Sloan Kettering Nassau | Uniondale | New York | 11553 | — |
| Ohio State University Comprehensive Cancer Center | Columbus | Ohio | 43210 | — |
| Cancer Centers of Southwest Oklahoma Research | Lawton | Oklahoma | 73505 | — |
| University of Oklahoma Health Sciences Center | Oklahoma City | Oklahoma | 73104 | — |
| Saint Charles Health System | Bend | Oregon | 97701 | — |
| Clackamas Radiation Oncology Center | Clackamas | Oregon | 97015 | — |
| Providence Cancer Institute Clackamas Clinic | Clackamas | Oregon | 97015 | — |
| Bay Area Hospital | Coos Bay | Oregon | 97420 | — |
| Providence Newberg Medical Center | Newberg | Oregon | 97132 | — |
| Providence Willamette Falls Medical Center | Oregon City | Oregon | 97045 | — |
| Providence Portland Medical Center | Portland | Oregon | 97213 | — |
| Providence Saint Vincent Medical Center | Portland | Oregon | 97225 | — |
| Oregon Health and Science University | Portland | Oregon | 97239 | — |
| Saint Charles Health System-Redmond | Redmond | Oregon | 97756 | — |
| Lehigh Valley Hospital-Cedar Crest | Allentown | Pennsylvania | 18103 | — |
| Lehigh Valley Hospital - Muhlenberg | Bethlehem | Pennsylvania | 18017 | — |
| Pocono Medical Center | East Stroudsburg | Pennsylvania | 18301 | — |
| Lehigh Valley Hospital-Hazleton | Hazleton | Pennsylvania | 18201 | — |
| Dell Children's Medical Center of Central Texas | Austin | Texas | 78723 | — |
| Farmington Health Center | Farmington | Utah | 84025 | — |
| University of Utah Sugarhouse Health Center | Salt Lake City | Utah | 84106 | — |
| Huntsman Cancer Institute/University of Utah | Salt Lake City | Utah | 84112 | — |
| University of Virginia Cancer Center | Charlottesville | Virginia | 22908 | — |
| Providence Regional Cancer System-Aberdeen | Aberdeen | Washington | 98520 | — |
| PeaceHealth Saint Joseph Medical Center | Bellingham | Washington | 98225 | — |
| Providence Regional Cancer System-Centralia | Centralia | Washington | 98531 | — |
| Swedish Cancer Institute-Edmonds | Edmonds | Washington | 98026 | — |
| Providence Regional Cancer Partnership | Everett | Washington | 98201 | — |
| Swedish Cancer Institute-Issaquah | Issaquah | Washington | 98029 | — |
| Kadlec Clinic Hematology and Oncology | Kennewick | Washington | 99336 | — |
| Providence Regional Cancer System-Lacey | Lacey | Washington | 98503 | — |
| PeaceHealth Saint John Medical Center | Longview | Washington | 98632 | — |
| Pacific Gynecology Specialists | Seattle | Washington | 98104 | — |
| Swedish Medical Center-Ballard Campus | Seattle | Washington | 98107 | — |
| Swedish Medical Center-Cherry Hill | Seattle | Washington | 98122-5711 | — |
| Swedish Medical Center-First Hill | Seattle | Washington | 98122 | — |
| PeaceHealth United General Medical Center | Sedro-Woolley | Washington | 98284 | — |
| Providence Regional Cancer System-Shelton | Shelton | Washington | 98584 | — |
| PeaceHealth Southwest Medical Center | Vancouver | Washington | 98664 | — |
| Providence Saint Mary Regional Cancer Center | Walla Walla | Washington | 99362 | — |
| Providence Regional Cancer System-Yelm | Yelm | Washington | 98597 | — |
| Cancer Center of Western Wisconsin | New Richmond | Wisconsin | 54017 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04394858, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 12, 2026 · Synced May 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04394858 live on ClinicalTrials.gov.