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ClinicalTrials.gov 8 recruiting now early-phase tilt

Recurrent Primary Peritoneal Carcinoma: early-phase trial registry

8 of 24 indexed Recurrent Primary Peritoneal Carcinoma trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #686 of 28,707 conditions by registered trial count.

24 US clinical trials · 8 currently recruiting · #686 of 28,707 conditions by registered trial count

Recurrent Primary Peritoneal Carcinoma: 24 US clinical trials tracked, 8 recruiting.

Recurrent Primary Peritoneal Carcinoma is the subject of 24 registered US clinical trials on ClinicalTrials.gov, 8 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 22 in Phase 1-2 (earlier-stage). The most active sponsor is National Cancer Institute (NCI), running 7 of these trials.

Enrollment posture brief

Registry condition recurrent-primary-peritoneal-carcinoma

OPEN 8 | RECR 33% | LATE 0 | EARLY 22 | RANK #686 | SPON 7

Nearest open-share peer: Adherence, Treatment (33% recruiting · 6 trials)

Aplastic Anemia37.5%Behavior37.5%Recurrent Primary Perito (th…33%Allergic Rhinitis8.3%Adult Acute Myeloid Leukemia0%
Open-enrollment share among volume-matched conditions near Recurrent Primary Peritoneal Carcinoma

Recurrent Primary Peritoneal Carcinoma lists 8 open slots (33% of 24 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 Recurrent Primary Peritoneal Carcinoma 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.

  1. Recurrent Primary Peritoneal Carcinoma is recruiting below its size-band peers.

    8 of 24 indexed trials (33.3%) are open to enrollment, against a 39.7% average across 762 conditions with 20-99 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates Recurrent Primary Peritoneal Carcinoma research.

    National Cancer Institute (NCI) accounts for 7 of 24 trials (29.2%). 11 distinct sponsors appear on at least one study for this condition label.

  3. Most Recurrent Primary Peritoneal Carcinoma trials plan to enrol fewer than 100 people.

    Median target enrolment is 42 among the 24 trials that report a genuine target (sentinel values excluded). 19 of those (79.2%) plan for fewer than 100 participants.

  4. Recurrent Primary Peritoneal Carcinoma research is mostly interventional.

    23 interventional and 1 observational studies make up this index (95.8% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 111Phase 211

Open and recent trials

24 total, page 1 of 1

RECRUITING 2,000 participants

Clonal Hematopoiesis and Therapy-Emergent Myeloid Neoplasms in Patients With Cancers, CHANCES Study

University of Washington

NCT06295965

RECRUITING Phase 1 300 participants

Serial Imaging of the Novel Radiotracer [^18F] FLuorthanatrace ([^18F] FTT) by PET/CTF

M.D. Anderson Cancer Center

NCT03604315

RECRUITING Phase 2 165 participants

Testing the Use of the Combination of Selumetinib and Olaparib or Selumetinib Alone Targeted Treatment for RAS Pathway Mutant Recurrent or Persistent Ovarian and Endometrial Cancers, A ComboMATCH Treatment Trial

National Cancer Institute (NCI)

NCT05554328

RECRUITING NA 120 participants

An Automated Personalized Physical Activity Intervention to Improve Immune Function and Clinical Outcomes in Stage II-IV Ovarian, Primary Peritoneal or Fallopian Tube Cancer and Newly Diagnosed Endometrial Cancer, Life on the Go 3 Study

Roswell Park Cancer Institute

NCT06855706

RECRUITING Phase 2 62 participants

ONC201 Plus Weekly Paclitaxel in Patients With Platinum Refractory or Resistant Ovarian Cancer

Ira Winer

NCT04055649

RECRUITING Phase 1 42 participants

Testing the Combination of APG-1252 (Pelcitoclax) and Cobimetinib in Recurrent Ovarian and Endometrial Cancers

National Cancer Institute (NCI)

NCT05691504

RECRUITING Phase 2 32 participants

Abemaciclib for the Treatment of Recurrent Ovarian or Endometrial Cancer

Jonsson Comprehensive Cancer Center

NCT04469764

RECRUITING Phase 1 24 participants

Talazoparib and Radiation Therapy in Treating Patients With Locally Recurrent Gynecologic Cancers

M.D. Anderson Cancer Center

NCT03968406

ACTIVE NOT RECRUITING Phase 2 96 participants

Adavosertib With or Without Olaparib in Treating Patients With Recurrent Ovarian, Primary Peritoneal, or Fallopian Tube Cancer

M.D. Anderson Cancer Center

NCT03579316

ACTIVE NOT RECRUITING Phase 1 88 participants

Veliparib and Topotecan Hydrochloride in Treating Patients With Solid Tumors, Relapsed or Refractory Ovarian Cancer, or Primary Peritoneal Cancer

National Cancer Institute (NCI)

NCT01012817

ACTIVE NOT RECRUITING Phase 1 71 participants

Modified Immune Cells (Autologous CAR T Cells) in Treating Patients with Advanced, Recurrent Platinum Resistant Ovarian, Fallopian Tube or Primary Peritoneal Cancer

Precigen

NCT03907527

ACTIVE NOT RECRUITING Phase 2 70 participants

Gemcitabine Hydrochloride Alone or With M6620 in Treating Patients With Recurrent Ovarian, Primary Peritoneal, or Fallopian Tube Cancer

National Cancer Institute (NCI)

NCT02595892

ACTIVE NOT RECRUITING Phase 1 40 participants

Surgery and Chemotherapy With or Without Chemotherapy After Surgery in Treating Patients With Ovarian, Fallopian Tube, Uterine, or Peritoneal Cancer

City of Hope Medical Center

NCT01970722

ACTIVE NOT RECRUITING Phase 2 38 participants

Lenvatinib, Pembrolizumab, and Paclitaxel for Treatment of Recurrent Endometrial, Epithelial Ovarian, Fallopian Tube, or Primary Peritoneal Cancer

Floor Backes, MD

NCT04781088

ACTIVE NOT RECRUITING Phase 1 35 participants

Carboplatin, Gemcitabine Hydrochloride, and Berzosertib in Treating Patients With Recurrent and Metastatic Ovarian, Primary Peritoneal, or Fallopian Tube Cancer

National Cancer Institute (NCI)

NCT02627443

ACTIVE NOT RECRUITING Phase 2 22 participants

Pembrolizumab and Carboplatin for the Treatment of Recurrent Ovarian, Fallopian Tube, or Primary Peritoneal Cancer

University of Washington

NCT04387227

ACTIVE NOT RECRUITING Phase 1 9 participants

Genetically Modified T Cells and Decitabine in Treating Patients With Recurrent or Refractory Ovarian, Primary Peritoneal, or Fallopian Tube Cancer

Roswell Park Cancer Institute

NCT03017131

ACTIVE NOT RECRUITING Phase 2 5 participants

Pembrolizumab in Treating Participants With Recurrent Ovarian Cancer

Jonsson Comprehensive Cancer Center

NCT03732950

COMPLETED Phase 2 107 participants

Bevacizumab With or Without Fosbretabulin Tromethamine in Treating Patients With Recurrent or Persistent Ovarian Epithelial, Fallopian Tube, or Peritoneal Cavity Cancer

National Cancer Institute (NCI)

NCT01305213

COMPLETED Phase 1 70 participants

Viral Therapy in Treating Patients With Ovarian Epithelial Cancer, Primary Peritoneal Cancer, or Fallopian Tube Cancer That Did Not Respond to Platinum Chemotherapy

National Cancer Institute (NCI)

NCT00602277

COMPLETED Phase 2 40 participants

Olaparib, Durvalumab, and Tremelimumab in Treating Patients With Recurrent or Refractory Ovarian, Fallopian Tube or Primary Peritoneal Cancer With BRCA1 or BRCA2 Mutation

Roswell Park Cancer Institute

NCT02953457

COMPLETED Phase 1 29 participants

Pembrolizumab and Carboplatin in Treating Patients With Relapsed or Refractory Ovarian, Fallopian Tube, or Primary Peritoneal Cancer

University of Washington

NCT03029598

COMPLETED Phase 1 15 participants

Stereotactic Body Radiation Therapy in Treating Patients With Recurrent Primary Ovarian or Uterine Cancer

University of Colorado, Denver

NCT03325634

COMPLETED Phase 2 13 participants

Avatar-Directed Chemotherapy in Treating Patients With Ovarian, Primary Peritoneal, or Fallopian Tube Cancer

Mayo Clinic

NCT02312245

Phase Distribution

PhaseTrial count
Phase 1 11
Phase 2 11

Named interventions

Most-linked intervention names on Recurrent Primary Peritoneal Carcinoma records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Laboratory Biomarker Analysis Other
9 trials
Gemcitabine Hydrochloride Drug
4 trials
Paclitaxel Drug
4 trials
Computed Tomography Procedure
4 trials
Biospecimen Collection Procedure
4 trials
Carboplatin Drug
4 trials
Pembrolizumab Biological
4 trials
Topotecan Hydrochloride Drug
2 trials

US sites by state

Facility locations filed on Recurrent Primary Peritoneal Carcinoma trials. A trial with sites in several states counts in each.

California 7 trials
Florida 6 trials
Arizona 6 trials
Texas 5 trials
Minnesota 5 trials
Washington 4 trials
Pennsylvania 4 trials
Colorado 4 trials

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

What to do with this Recurrent Primary Peritoneal Carcinoma page

24 registered trials, 8 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 8 Recurrent Primary Peritoneal Carcinoma trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • National Cancer Institute (NCI) sponsors the most Recurrent Primary Peritoneal Carcinoma 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 Recurrent Primary Peritoneal Carcinoma condition card totals 24 registered trials; most-linked intervention Laboratory Biomarker Analysis; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.