Leiomyosarcoma
MONDO:0005058An uncommon, aggressive malignant smooth muscle neoplasm, usually occurring in post-menopausal women. It is characterized by a proliferation of neoplastic spindle cells. Morphologic variants include epithelioid, granular cell, inflammatory and myxoid leimyosarcomas.
Also known as: Leiomyosarcomas, leiomyosarcoma, leiomyosarcoma (excluding uterine leiomyosarcoma), leiomyosarcoma - not uterine, leiomyosarcoma, malignant
2874 clinical trials for this condition and its sub-types, 62 tagged with Leiomyosarcoma itself.
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Sub-types of Leiomyosarcoma
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Leiomyosarcoma of the corpus uteri 9 trials
2 sub-types
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Ovary leiomyosarcoma 2 trials
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Retroperitoneal leiomyosarcoma 2 trials
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Inflammatory leiomyosarcoma 1 trial
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Small intestine leiomyosarcoma 1 trial
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Bone leiomyosarcoma 0 trials
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Breast leiomyosarcoma 0 trials
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1 sub-type
- Granular cell leiomyosarcoma 0 trials
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Colon leiomyosarcoma 0 trials
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Conventional leiomyosarcoma 0 trials
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Cutaneous leiomyosarcoma 0 trials
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Epithelioid leiomyosarcoma 0 trials
1 sub-type
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Esophagus leiomyosarcoma 0 trials
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Fallopian tube leiomyosarcoma 0 trials
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Gallbladder leiomyosarcoma 0 trials
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Gastric leiomyosarcoma 0 trials
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Heart leiomyosarcoma 0 trials
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Kidney leiomyosarcoma 0 trials
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Laryngeal leiomyosarcoma 0 trials
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Leiomyosarcoma of the cervix uteri 0 trials
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Liver leiomyosarcoma 0 trials
1 sub-type
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Lung leiomyosarcoma 0 trials
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Mediastinum leiomyosarcoma 0 trials
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Myxoid leiomyosarcoma 0 trials
1 sub-type
- Uterine corpus myxoid leiomyosarcoma 0 trials
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Prostate leiomyosarcoma 0 trials
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Pulmonary artery leiomyosarcoma 0 trials
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Pulmonary vein leiomyosarcoma 0 trials
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Rectum leiomyosarcoma 0 trials
1 sub-type
- Anus leiomyosarcoma 0 trials
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Superior vena cava leiomyosarcoma 0 trials
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Vagina leiomyosarcoma 0 trials
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Vulvar leiomyosarcoma 0 trials
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Can a dual immune antibody plus radiation shrink metastatic sarcoma?
Disease control CompletedResearchers are testing a combination of the experimental antibody MEDI5752 and stereotactic body radiotherapy in people with metastatic soft tissue sarcoma that has spread to the lungs. MEDI5752 targets two immune checkpoints, PD-1 and CTLA-4, and the radiation is aimed at one l…
Phase 1 • Sponsor: Institut Claudius Regaud • Aim: Disease control
Last updated Sep 13, 2026 00:00 UTC
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Heated chemo during surgery may curb return of rare uterine cancer
Disease control CompletedThis phase 2 trial tested whether giving heated chemotherapy directly into the abdomen during surgery, followed by standard chemo, could help prevent uterine leiomyosarcoma from coming back. Seventeen women with locally recurrent cancer took part. The goal was to see if this comb…
Phase 2 • Sponsor: Stanford University • Aim: Disease control
Last updated Jun 27, 2026 14:02 UTC
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New combo therapy shows promise for rare sarcomas
Disease control CompletedThis study looked at adding the drug pazopanib to standard radiation or chemoradiation before surgery for patients with certain soft tissue sarcomas. The goal was to see if the combination is safe and helps shrink tumors more effectively. About 140 adults and children with newly …
Phase 2/3 • Sponsor: National Cancer Institute (NCI) • Aim: Disease control
Last updated Jun 27, 2026 14:00 UTC
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New pill may keep soft tissue sarcoma in check after chemo
Disease control CompletedThis study tested whether taking anlotinib pills after initial chemotherapy can help keep advanced soft tissue sarcoma from growing. 49 adults with certain types of sarcoma took anlotinib daily. The goal was to see how long the cancer stayed stable and to check safety. Anlotinib …
Phase 2 • Sponsor: Sun Yat-sen University • Aim: Disease control
Last updated Jun 27, 2026 13:07 UTC
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Immunotherapy boosts chemo against rare sarcomas?
Disease control CompletedThis study tested whether adding an immunotherapy drug called APX005M to standard chemotherapy (doxorubicin) could help shrink tumors in people with advanced soft tissue sarcoma. 27 adults with certain sarcoma types took part. The goal was to see if the combination was safe and w…
Phase 2 • Sponsor: Alexander Z. Wei, MD • Aim: Disease control
Last updated Jun 27, 2026 13:07 UTC
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New drug combo shows promise in slowing rare sarcoma growth
Disease control CompletedThis study tested whether adding the drug berzosertib to standard chemotherapy (gemcitabine) can help control a rare soft-tissue cancer called leiomyosarcoma. 58 adults with advanced or spreading disease took part. The goal was to see if the combination could stop or shrink tumor…
Phase 2 • Sponsor: Institut Bergonié • Aim: Disease control
Last updated Jun 27, 2026 12:30 UTC
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Experimental combo shows promise for rare sarcomas
Disease control CompletedThis early-phase study tested whether adding the immunotherapy drug pembrolizumab to standard chemotherapy (gemcitabine) is safe for people with two rare types of soft tissue sarcoma (leiomyosarcoma and undifferentiated pleomorphic sarcoma). Twenty-five adults with advanced or in…
Phase 1/2 • Sponsor: Royal Marsden NHS Foundation Trust • Aim: Disease control
Last updated Jun 27, 2026 09:04 UTC
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New cancer drug shows promise in early trial
Disease control CompletedThis phase 1 study tested an experimental drug called LY3039478 in 247 people with advanced or metastatic cancer, including lymphoma. The main goal was to find a safe dose and see how the drug affects the body. Researchers also looked for signs that the drug might shrink tumors.
Phase 1 • Sponsor: Eli Lilly and Company • Aim: Disease control
Last updated Jun 27, 2026 08:06 UTC
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New combo shows promise for rare cancers
Disease control CompletedThis study tested a combination of two drugs—pembrolizumab (an immunotherapy) and cyclophosphamide (a chemotherapy)—in 129 people with advanced sarcomas that had spread or could not be removed by surgery. The goal was to see if the combination could shrink tumors or stop them fro…
Phase 2 • Sponsor: Institut Bergonié • Aim: Disease control
Last updated Jun 27, 2026 08:03 UTC
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New drug cocktail shows promise for rare sarcomas
Disease control CompletedThis study tested a combination of two drugs, lenvatinib and eribulin, in 30 people with advanced soft tissue sarcomas (liposarcoma or leiomyosarcoma) that could not be removed by surgery or had spread. The goal was to see if the combo could shrink tumors or slow their growth. Th…
Phase 1/2 • Sponsor: National Taiwan University Hospital • Aim: Disease control
Last updated Jun 27, 2026 08:02 UTC
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Personalized chemo shows promise against rare sarcomas
Disease control CompletedThis Phase 3 trial tested whether giving chemotherapy based on the specific type of soft tissue sarcoma works better than a one-size-fits-all approach. 550 adults with high-risk sarcomas in the arms or trunk were randomly assigned to standard chemo or a chemo regimen matched to t…
Phase 3 • Sponsor: Italian Sarcoma Group • Aim: Disease control
Last updated Jun 27, 2026 07:58 UTC
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PET scans may help guide chemo for rare abdominal cancer
Knowledge-focused CompletedThis study tested whether PET scans can detect early response to chemotherapy in people with retroperitoneal sarcoma, a rare cancer in the abdomen. 18 participants received extra PET scans before and after their first chemo cycle. The goal was to see if PET could predict tumor sh…
Sponsor: University Health Network, Toronto • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:01 UTC