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ClinicalTrials.gov 1 recruiting now official registry

Primary Peritoneal High Grade Serous Adenocarcinoma clinical trials

1 of 8 indexed Primary Peritoneal High Grade Serous Adenocarcinoma trials are currently recruiting.

8 US clinical trials · 1 currently recruiting

Primary Peritoneal High Grade Serous Adenocarcinoma is the subject of 8 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 7 in Phase 1-2 (earlier-stage). The most active sponsor is National Cancer Institute (NCI), running 4 of these trials.

The research picture

Primary Peritoneal High Grade Serous Adenocarcinoma has 8 registered US clinical trials, 1 of them open to new participants right now, about 13% of the total.

1
recruiting participants now
13%
of trials open to enrollment
1
in Phase 3–4 (later-stage)
4
top sponsor: National Cancer Institute (NCI)
Phase 14Phase 23Phase 31

Active & Recent Trials

8 total, page 1 of 1

RECRUITING Phase 3 880 participants

Testing Olaparib for One or Two Years, With or Without Bevacizumab, to Treat Ovarian Cancer

NRG Oncology

NCT06580314

ACTIVE NOT RECRUITING Phase 2 444 participants

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

ACTIVE NOT RECRUITING Phase 2 96 participants

Bevacizumab and Anetumab Ravtansine or Paclitaxel in Treating Patients With Refractory Ovarian, Fallopian Tube, or Primary Peritoneal Cancer

National Cancer Institute (NCI)

NCT03587311

ACTIVE NOT RECRUITING Phase 2 61 participants

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

ACTIVE NOT RECRUITING Early Phase 1 38 participants

Adavosertib Before Surgery in Treating Patients With Advanced High Grade Ovarian, Fallopian Tube, or Primary Peritoneal Cancer

M.D. Anderson Cancer Center

NCT02659241

ACTIVE NOT RECRUITING Phase 1 31 participants

Niraparib and Copanlisib in Treating Patients With Recurrent Endometrial, Ovarian, Primary Peritoneal, or Fallopian Tube Cancer

M.D. Anderson Cancer Center

NCT03586661

ACTIVE NOT RECRUITING Phase 1 25 participants

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

ACTIVE NOT RECRUITING Early Phase 1 15 participants

Olaparib in Treating Patients With Newly Diagnosed BRCA-Mutant Ovarian, Primary Peritoneal, or Fallopian Cancer Before Surgery

M.D. Anderson Cancer Center

NCT03943173

Phase Distribution

PhaseTrial count
Phase 1 4
Phase 2 3
Phase 3 1

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Reading the Primary Peritoneal High Grade Serous Adenocarcinoma Trial Landscape

8 indexed Primary Peritoneal High Grade Serous Adenocarcinoma studies · 1 recruiting (13%).

Phase mix: 1 late (III/IV) vs 7 early (I/II).

Top sponsor: National Cancer Institute (NCI) (4 trials), 2 others listed. 8 shown below, recruiting first.

How to read this condition's trial landscape

That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation, eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Primary Peritoneal High Grade Serous Adenocarcinoma?

PlainTrial tracks 8 US clinical trials for Primary Peritoneal High Grade Serous Adenocarcinoma, of which 1 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Primary Peritoneal High Grade Serous Adenocarcinoma?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

Verify with NIH →

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial for this condition, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.