Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Ovarian High Grade Serous Adenocarcinoma: early-phase trial registry
2 of 11 indexed Ovarian High Grade Serous Adenocarcinoma trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #1,577 of 28,707 conditions by registered trial count.
11 US clinical trials · 2 currently recruiting · #1,577 of 28,707 conditions by registered trial count
Ovarian High Grade Serous Adenocarcinoma: 11 US clinical trials tracked, 2 recruiting.
Ovarian High Grade Serous Adenocarcinoma is the subject of 11 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 10 in Phase 1-2 (earlier-stage). The most active sponsor is National Cancer Institute (NCI), running 8 of these trials.
Enrollment posture brief
Registry condition ovarian-high-grade-serous-adenocarcinoma
OPEN 2 | RECR 18% | LATE 1 | EARLY 10 | RANK #1577 | SPON 8
Volume-matched condition peers
Nearest open-share peer: Acute Myeloid Leukemia Arising From Previous Myelodysplastic Syndrome (18% recruiting · 22 trials)
Ovarian High Grade Serous Adenocarcinoma lists 2 open slots (18% of 11 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Ovarian High Grade Serous Adenocarcinoma on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Ovarian High Grade Serous Adenocarcinoma is recruiting below its size-band peers.
2 of 11 indexed trials (18.2%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Ovarian High Grade Serous Adenocarcinoma research.
National Cancer Institute (NCI) accounts for 8 of 11 trials (72.7%). 4 distinct sponsors appear on at least one study for this condition label.
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Most Ovarian High Grade Serous Adenocarcinoma trials plan to enrol fewer than 100 people.
Median target enrolment is 61 among the 11 trials that report a genuine target (sentinel values excluded). 8 of those (72.7%) plan for fewer than 100 participants.
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Ovarian High Grade Serous Adenocarcinoma research is mostly interventional.
11 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
11 total, page 1 of 1
Testing Olaparib for One or Two Years, With or Without Bevacizumab, to Treat Ovarian Cancer
NRG Oncology
NCT06580314
Repurposing Atovaquone for the Treatment of Platinum-Resistant Ovarian Cancer
Emory University
NCT05998135
Pegylated Liposomal Doxorubicin Hydrochloride With Atezolizumab and/or Bevacizumab in Treating Patients With Recurrent Ovarian, Fallopian Tube, or Primary Peritoneal Cancer
National Cancer Institute (NCI)
NCT02839707
Cediranib Maleate and Olaparib in Treating Patients With Recurrent Ovarian, Fallopian Tube, or Peritoneal Cancer or Recurrent Triple-Negative Breast Cancer
National Cancer Institute (NCI)
NCT01116648
Bevacizumab and Anetumab Ravtansine or Paclitaxel in Treating Patients With Refractory Ovarian, Fallopian Tube, or Primary Peritoneal Cancer
National Cancer Institute (NCI)
NCT03587311
Testing the Combination of the Study Drugs Cediranib and Olaparib in Recurrent Ovarian Cancer
National Cancer Institute (NCI)
NCT02345265
Testing the Addition of an Immunotherapy Drug, Tremelimumab, to the PARP Inhibition Drug, Olaparib, for Recurrent Ovarian, Fallopian Tube or Peritoneal Cancer
National Cancer Institute (NCI)
NCT04034927
Adavosertib Before Surgery in Treating Patients With Advanced High Grade Ovarian, Fallopian Tube, or Primary Peritoneal Cancer
M.D. Anderson Cancer Center
NCT02659241
Carboplatin, Gemcitabine Hydrochloride, and Berzosertib in Treating Patients With Recurrent and Metastatic Ovarian, Primary Peritoneal, or Fallopian Tube Cancer
National Cancer Institute (NCI)
NCT02627443
Testing the Addition of Ipatasertib to the Usual Chemotherapy Treatment (Paclitaxel and Carboplatin) for Stage III or IV Epithelial Ovarian Cancer
National Cancer Institute (NCI)
NCT05276973
Testing the Addition of an Anti-cancer Drug, Elimusertib (BAY 1895344) ATR Inhibitor, to the Chemotherapy Treatment (Gemcitabine) for Advanced Pancreatic and Ovarian Cancer, and Advanced Solid Tumors
National Cancer Institute (NCI)
NCT04616534
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 5 |
| Phase 2 | 5 |
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Ovarian High Grade Serous Adenocarcinoma records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Ovarian High Grade Serous Adenocarcinoma trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Ovarian High Grade Serous Adenocarcinoma page
11 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Ovarian High Grade Serous Adenocarcinoma trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- National Cancer Institute (NCI) sponsors the most Ovarian High Grade Serous Adenocarcinoma trials on record, review their full trial history before evaluating a specific study. See National Cancer Institute (NCI)'s trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Ovarian High Grade Serous Adenocarcinoma condition card totals 11 registered trials; most-linked intervention Computed Tomography; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.