Drug or treatment
Cemiplimab clinical trials
As of November 12, 2026, Find a Trial lists 55 clinical trials of Cemiplimab that are recruiting, at sites in 22 countries (most in United States (42), Spain (8), France (5)). 1 was first registered in the last 30 days. By phase: Phase 2 (31), Phase 1/2 (9), Phase 1 (6), Phase 3 (4). The most active sponsors are Regeneron Pharmaceuticals (8), National Cancer Institute (NCI) (4), M.D. Anderson Cancer Center (4). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 55Clinical trials
- 1New in 30 days
- 22Countries
Newest trials
All recruiting trials (55)
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Cemiplimab with Quad Shot Radiation for Head and Neck Cutaneous Squamous Cell Carcinoma
This study tests whether giving cemiplimab together with a short course of Quad Shot radiation can be safely delivered in several rounds to elderly or frail patients with head and neck skin cancer.
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REGN15505 Alone or With Cemiplimab or REGN4336 in Advanced Prostate Cancer and Kidney Cancer
This trial tests REGN15505 by itself or with cemiplimab or REGN4336 to see if it helps adults with metastatic castration-resistant prostate cancer or clear cell renal cell carcinoma.
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Combining gemcitabine, cisplatin, nab-paclitaxel and cemiplimab to shrink locally advanced biliary tract cancer
This trial will try whether giving gemcitabine, cisplatin, nab-paclitaxel plus cemiplimab can shrink previously inoperable biliary tract cancers so surgery becomes possible.
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Neoadjuvant Cemiplimab for Merkel Cell Carcinoma in Stage I–II
This study tests whether giving Cemiplimab before surgery helps people with early-stage Merkel cell carcinoma see if tumors shrink or disappear before sentinel node biopsy.
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Capecitabine/Oxaliplatin chemo with cemiplimab with or without fianlimab or REGN7075 for locally advanced rectal cancer
This trial tests whether adding cemiplimab, cemiplimab with fianlimab, or cemiplimab with REGN7075 to CAPOX can help people with MSS locally advanced rectal cancer before surgery.
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Adding cemiplimab to chemotherapy before surgery for sinonasal squamous cell carcinoma
This test checks whether adding the immunotherapy cemiplimab to carboplatin and paclitaxel before surgery helps people with locally advanced sinonasal squamous cell carcinoma.
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Cemiplimab plus TEDOPI maintenance for ctDNA‑positive HLA‑A2 advanced NSCLC
This trial will test whether adding the TEDOPI vaccine to cemiplimab as maintenance can clear circulating tumor DNA in HLA‑A2 positive advanced NSCLC patients who did not progress after four cycles of chemo‑immunotherapy.
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Cemiplimab with topical imiquimod and fractional laser before surgery for high‑risk basal cell carcinoma
This tests whether giving cemiplimab together with topical imiquimod and fractional laser before surgery can boost the immune response and lower the chance high‑risk, resectable basal cell carcinoma comes back.
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Cemiplimab alone or with fianlimab after stereotactic body radiation for oligometastatic clear cell kidney cancer
This trial will test whether giving cemiplimab alone or with fianlimab after stereotactic body radiation helps people with oligometastatic clear cell kidney cancer stay free of recurrence longer.
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Comparing two immunotherapy combinations and their immune effects in unresectable or metastatic melanoma
This will test whether two different first-line immunotherapy combinations produce different immune responses in tumors and blood of people with unresectable or metastatic melanoma.
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First-line immune-checkpoint antibody combinations for advanced clear cell kidney cancer
This trial tests whether combining fianlimab and cemiplimab, with or without ipilimumab, works better than the standard ipilimumab plus nivolumab as first treatment for people with advanced clear cell kidney cancer.
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Two immunotherapies after treatment for HPV-positive head and neck cancer
This study tests whether adding fianlimab to cemiplimab helps prevent recurrence in adults with HPV-positive head and neck cancer who have detectable residual disease after initial therapy.
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Pidnarulex plus cemiplimab for refractory microsatellite-stable colorectal cancer.
This tests whether combining pidnarulex with cemiplimab is safe and can help people whose microsatellite-stable colorectal cancer has stopped responding to standard treatments.
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Cemiplimab maintenance for advanced adrenocortical carcinoma
This trial will test whether giving cemiplimab as maintenance immunotherapy after first-line EDP-M chemotherapy can delay progression in adults with advanced adrenocortical carcinoma who achieved a response or stable disease.
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Next‑generation immune profiling to find response and toxicity markers in skin cancer patients treated with cemiplimab
This project will test whether advanced blood and tumor immune profiling can help predict who with advanced cutaneous squamous cell carcinoma will benefit from cemiplimab and who may develop side effects.
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Cemiplimab alone or with Fianlimab or REGN7075 after surgery and chemo in colorectal cancer with minimal residual disease
This study tests whether cemiplimab alone or in combination with fianlimab or REGN7075 can help prevent colorectal cancer from returning in adults who are ctDNA-positive after standard treatment.
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Cemiplimab treatment for incurable metastatic or unresectable NUT carcinoma
This trial will test whether the immunotherapy drug cemiplimab can help people whose NUT carcinoma has spread or cannot be removed by surgery.
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Reduced-dose carboplatin doublet plus cemiplimab versus cemiplimab alone for older, frail metastatic NSCLC with PD-L1 under 50%
This will test whether adding lower-dose carboplatin-based doublet chemotherapy to cemiplimab helps people aged 70 and older who are frail and have metastatic NSCLC with PD-L1 under 50% do better than cemiplimab alone.
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Oral pooled fecal microbiotherapy (MaaT033) with cemiplimab to try to reverse antibiotic-related resistance in advanced NSCLC
This trial will try whether taking an oral pooled fecal microbiotherapy (MaaT033) together with cemiplimab can restore response to immunotherapy in adults with advanced non-small cell lung cancer who became resistant after taking antibiotics.
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Cemiplimab as first-line treatment for advanced basal cell carcinoma
This trial will try cemiplimab as a first-line treatment for adults with locally advanced basal cell carcinoma who have not received hedgehog inhibitors.
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Cemiplimab with or without CDX-1140 given before surgery for stage III-IV head and neck cancer
This trial tests whether adding the immune stimulant CDX-1140 to cemiplimab before surgery helps shrink tumors in people with resectable stage III-IV head and neck squamous cell carcinoma.
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Adjuvant cemiplimab after complete surgery for stage II–IIIA non-small cell lung cancer in patients who have not had chemotherapy
This trial tests whether giving cemiplimab after complete surgery can help prevent cancer from coming back in people with stage II–IIIA non-small cell lung cancer who did not receive chemotherapy.
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Using cemiplimab and fianlimab before surgery for non-small cell lung cancer
This study is testing a combination of two drugs, cemiplimab and fianlimab, before surgery to see if they can help people with stage IB-IIIB non-small cell lung cancer respond better to treatment.
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Cemiplimab guided by ctDNA levels (PALACE)
This study will see if starting adults with advanced (stage IIIB/C or IV) non-small cell lung cancer and PD-L1 ≥50% on cemiplimab, then using ctDNA and early scans to decide whether to add chemotherapy, can improve overall survival.
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THIO plus cemiplimab versus chemotherapy for third-line advanced non-small cell lung cancer
This trial tries giving THIO followed by the PD‑1 drug cemiplimab versus standard chemotherapy in adults with advanced or metastatic non-small cell lung cancer who have already had two prior treatments including an immune checkpoint inhibitor and platinum chemotherapy.
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Combining XL092 and cemiplimab for BRAF V600E–wildtype anaplastic thyroid cancer
This trial will test whether giving XL092 plus cemiplimab before surgery is safe and doable for adults with BRAF V600E–wildtype anaplastic thyroid cancer.
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Adding cabozantinib to cemiplimab for adolescents and adults with advanced adrenocortical cancer
This test sees if adding the targeted drug cabozantinib to the immunotherapy cemiplimab helps adolescents and adults with advanced, unresectable, recurrent, or metastatic adrenocortical cancer.
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Treatment for BRAF Mutant Melanoma with Brain Metastases
This study tests a new combination treatment for people with BRAF-mutated melanoma that has spread to the brain to see if it helps them live longer without their cancer getting worse.
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Cemiplimab plus Y-90 radioembolization for breast cancer that has spread to the liver
This trial tests whether giving the immunotherapy cemiplimab together with Y-90 liver radioembolization can boost immune attack and shrink tumors in people whose breast cancer has spread mainly to the liver.
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REGN5678 with cemiplimab for metastatic castration-resistant prostate cancer
This trial tests whether combining REGN5678 (a PSMAxCD28 bispecific antibody) with cemiplimab (an anti‑PD‑1 drug) is safe and shows signs of activity in men with metastatic castration‑resistant prostate cancer who have progressed after prior therapies.
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Cemiplimab plus gemcitabine for metastatic pancreatic cancer with SWI/SNF gene changes
This trial will test whether adding the immunotherapy cemiplimab to the chemotherapy gemcitabine helps people with metastatic pancreatic ductal adenocarcinoma who have SWI/SNF genetic alterations and have already received one prior chemotherapy regimen.
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Adding fianlimab to cemiplimab versus cemiplimab alone for recurrent or metastatic head and neck squamous cell carcinoma
This test sees if adding the experimental drug fianlimab to cemiplimab works better than cemiplimab alone for people with recurrent or metastatic PD-L1–positive head and neck squamous cell carcinoma.
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Neoadjuvant Cemiplimab + Dupilumab in Early-Stage NSCLC
This study tests whether giving cemiplimab with dupilumab before surgery can be safe and help shrink tumors in people with early-stage non-small cell lung cancer.
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Using cemiplimab and fianlimab before kidney cancer surgery
This study is testing whether giving two immunotherapy drugs before kidney cancer surgery can safely shrink tumors in patients with high-risk non-metastatic clear cell renal cell carcinoma.
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SAR444881 plus cemiplimab for advanced solid tumors
This trial tests SAR444881 together with cemiplimab in adults with advanced solid tumors (including non‑small cell lung, MSS colorectal, and ovarian cancer) to look for biomarkers tied to response and safety.
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Combining cemiplimab with standard treatment for advanced lung cancer
This study is testing if adding the immunotherapy drug cemiplimab to standard treatments can help people with advanced lung cancer live longer and feel better compared to just the standard treatments alone.
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Testing a new combination treatment for advanced melanoma
This study is testing a new combination of three treatments for people with advanced melanoma that hasn't improved with other therapies to see if it can help them feel better.
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Using cemiplimab to treat early-stage skin cancer
This study tests if injecting a new immune treatment called cemiplimab directly into early-stage skin cancer can work better than regular surgery.
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All-trans retinoic acid (ATRA) plus cemiplimab for advanced leiomyosarcoma
This trial will try combining oral all-trans retinoic acid with the immunotherapy cemiplimab to see if it can shrink tumors or slow progression in adults with metastatic or unresectable leiomyosarcoma after standard chemotherapy.
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Using cemiplimab and cetuximab before surgery for recurrent oral cavity cancer
This study is testing if the drugs cemiplimab and cetuximab can help control recurrent oral cavity cancer before surgery to improve patient outcomes.
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Testing a new drug for advanced solid tumors
This study is testing a new drug called REGN10597 to see if it is safe and effective for adults with advanced solid tumors like melanoma and kidney cancer.
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Combination treatment for advanced colorectal cancer with specific mutations
This study is testing a combination of three drugs to see if they can help people with advanced colorectal cancer that has specific mutations after they've already tried other treatments.
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Neoadjuvant chemotherapy for non-small cell lung cancer
This study is testing if adding a new drug called alirocumab to standard chemotherapy helps people with early-stage non-small cell lung cancer have better results after surgery.
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Combining two experimental drugs for advanced melanoma treatment
This study is testing if a new combination of two experimental drugs can help people with advanced melanoma more than the current approved treatments.
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Cemiplimab with or without Fianlimab for older patients with advanced colorectal cancer
This study is testing whether a new combination of two immunotherapy drugs can help older patients with advanced colorectal cancer feel better and improve their treatment outcomes.
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Combining Cemiplimab and Ziv-Aflibercept for Metastatic Uveal Melanoma
This study is testing if the combination of Cemiplimab and Ziv-Aflibercept can help shrink tumors or stop their growth in people with metastatic uveal melanoma who have already tried other treatments.
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Combination treatment for early-stage lung cancer
This study is testing a combination of two medications, dupilumab and cemiplimab, to see if they can help people with early-stage lung cancer before surgery.
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Testing ONM-501 alone and with Cemiplimab for advanced solid tumors and lymphomas
This study is testing a new treatment called ONM-501, both alone and with another drug called cemiplimab, to see if it can help people with advanced solid tumors and lymphomas who have run out of other treatment options.
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Using Cemiplimab with or without chemotherapy for HPV-related head and neck cancer
This study is testing if a new immunotherapy called Cemiplimab, with or without chemotherapy, can help people with HPV-related head and neck cancer while making treatment easier and improving their quality of life.
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Using Cemiplimab before surgery for skin cancers
This study is testing if giving a new immunotherapy drug before surgery can help people with certain types of skin cancer have better outcomes.
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Combining chemotherapy and immunotherapy for head and neck cancer treatment
This study is testing if combining chemotherapy with immunotherapy drugs can help people with head and neck cancer before surgery and possibly reduce the need for radiation therapy afterward.
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Investigating the safety and effectiveness of REGN5668 with other drugs for advanced ovarian and uterine cancers
This study is testing if a new drug called REGN5668, used with other medications, can safely help people with advanced ovarian or uterine cancers.
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Evaluating the safety and effectiveness of REGN5678 alone or with cemiplimab for advanced prostate and kidney cancer
This study is testing if a new drug called REGN5678, alone or with another drug called cemiplimab, can safely shrink tumors in adults with advanced prostate and kidney cancer.
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Treatment for recurrent ovarian and other MUC16+ cancers using REGN4018 and cemiplimab
This study is testing if a new treatment combining REGN4018 and cemiplimab can help adults with recurrent ovarian and other MUC16+ cancers feel better when other options have run out.
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Vaccine treatment for relapsed or refractory blood cancers
This study is testing a new vaccine treatment for people with relapsed or hard-to-treat blood cancers to see if it can help them feel better and live longer.
Quick answers
How many clinical trials of Cemiplimab are recruiting right now?
55, as of November 12, 2026. 1 of them was first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 22 countries. The most sites are in United States (42 trials), Spain (8 trials), France (5 trials), Italy (5 trials), Australia (4 trials). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 2: 31, Phase 1/2: 9, Phase 1: 6, Phase 3: 4. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.