Ductal breast carcinoma in situ

This study compares two surgical approaches for breast cancer: one that removes extra tissue around the tumor (routine cavity shave margins) and one that uses a special device (Savi Scout®) to guide removal of only suspicious margins. About 204 women with early-stage breast cance…

This study tests a shorter, more focused radiation treatment (hypofractionated partial breast irradiation) for women with early-stage breast cancer. The goal is to see if targeting only the tumor site can reduce side effects and improve cosmetic outcomes compared to standard whol…

This study tests a new dye called Magtrace that stays in the lymph nodes for weeks. For women with non-invasive breast cancer (DCIS) having a mastectomy, this dye may allow doctors to safely delay lymph node removal until after the breast tissue is checked for hidden invasive can…

This early-phase trial is testing a gel form of the drug endoxifen, applied to the skin, in 32 women scheduled for breast surgery. The goal is to see if the gel is safe and how much of the drug gets into breast tissue and blood. If successful, it might offer a gentler way to trea…

This phase III trial compares low-dose tamoxifen to standard hormone therapy (aromatase inhibitors) in postmenopausal women with low-risk, hormone-positive, HER2-negative early breast cancer. The goal is to see if the lower dose works just as well to prevent cancer from coming ba…

This phase III trial tests whether a structured weight loss program can lower the risk of breast cancer recurrence in overweight or obese women who have been treated for early-stage breast cancer. Researchers will compare women who join the program with those who do not, tracking…

This large phase 3 trial studied over 5,000 women with hormone receptor-positive, HER2-negative breast cancer that had spread to 1-3 lymph nodes. Participants received standard hormone therapy (tamoxifen or an aromatase inhibitor) either alone or with chemotherapy. The goal was t…

This study tests whether losartan, a drug already used for high blood pressure, can reduce scarring (fibrosis) caused by radiation therapy in breast cancer patients. 43 women who had breast surgery and need radiation will receive either losartan or a placebo. Researchers will mea…

This study tests whether a shorter, more focused radiation treatment (accelerated partial breast irradiation) after breast-conserving surgery can effectively control cancer in the breast and nearby lymph nodes for people with early-stage breast cancer. About 537 participants with…

This study compares active monitoring (regular checkups without immediate treatment) to surgery for people with low-risk ductal carcinoma in situ (DCIS), a very early form of breast cancer. About 1,000 participants are being followed for two years to see if monitoring is as good …

This phase 3 trial compares a standard 3-week radiation course to an experimental 2-week course for women with early-stage breast cancer. About 400 participants who had lumpectomy will receive whole breast radiation plus an extra boost to the tumor site. The study checks if the s…

This study tests a modified radiation schedule for women aged 50 and older with early-stage, low-risk breast cancer. Instead of the standard every-other-day treatment over 10 days, participants receive five daily radiation sessions with a slightly lower dose each day. The goal is…

This phase II trial is testing a type of radiation called proton beam therapy for women with early-stage breast cancer (stage 0 to II). The goal is to see if this targeted approach can kill cancer cells while causing less damage to normal tissue, leading to fewer side effects and…

This study compares a 1-week radiation schedule to the standard 3.1-week schedule for people with early-stage breast cancer who have had lumpectomy. The goal is to see if the shorter course controls cancer just as well while causing fewer side effects. About 72 adults with ductal…

This study is testing whether shorter, more focused radiation treatments after lumpectomy are as safe and effective as the standard six-and-a-half-week course. About 121 women with early-stage breast cancer are receiving one of several accelerated radiation methods, including a s…

This phase II trial tests a single, high-dose radiation treatment given before surgery for early-stage breast cancer. The goal is to see if this approach leads to good or excellent cosmetic results and reduces the need for multiple radiation sessions. About 110 women with small, …

This early-phase trial tests whether adding a single, focused dose of radiation before surgery can make the immunotherapy drug pembrolizumab work better in people with early-stage breast cancer. About 27 participants will receive both treatments, then have surgery to see if the t…

This study tests whether an inactivated Pseudomonas aeruginosa injection, combined with an iodine wash, can reduce complications like infection and capsular contracture in women undergoing immediate breast reconstruction with implants after cancer surgery. The trial involves 100 …

This study tests whether a shorter, higher-dose radiation schedule (hypofractionation with a concurrent boost) works as well as the standard longer schedule for women with early-stage breast cancer after lumpectomy. Over 2,300 women participated. The goal is to see if the shorter…

This study looks at women with a very early form of breast cancer called ductal carcinoma in situ (DCIS). After surgery to remove the cancer, all women get radiation to the whole breast. Half also get an extra, stronger dose of radiation right where the cancer was. The goal is to…

This study tests a precise type of radiation called proton therapy for people with early-stage breast cancer. The goal is to see if it can control the cancer and reduce side effects compared to standard radiation. About 150 adults aged 40 and older who had a lumpectomy are taking…

This study tests a one-time radiation treatment for early-stage breast cancer. After a lumpectomy, tiny radioactive seeds are placed directly into the breast to kill any remaining cancer cells. The goal is to see if this method is safe, works well, and costs less than standard da…

This study is testing whether women with a very early, low-risk form of breast cancer called DCIS can safely avoid standard treatments like surgery and radiation. Instead, they would simply get a yearly mammogram to monitor the condition. The goal is to see if this 'active survei…

This study looks at whether women aged 50 and older with a very low-risk type of early breast cancer (called DCIS) can avoid radiation therapy after having breast-conserving surgery. The goal is to see if the cancer stays away without radiation, reducing unnecessary treatment and…

This study compares two types of radiation therapy for women with early-stage breast cancer after lumpectomy. One group receives standard CT-guided radiation, while the other receives a newer MRI-guided approach. The goal is to see if MRI-guided radiation works just as well at pr…

This phase IIb trial is testing whether combining a nightly fast (time-restricted eating) with the diabetes drug metformin can slow the growth of breast cancer cells before surgery. The study includes 120 women with early-stage breast cancer or a precancerous condition called DCI…

This pilot study tested whether a robot-assisted surgical technique (using the daVinci system) can safely remove breast tissue while sparing the nipple in people with early-stage breast cancer or those needing preventive mastectomy. Only 4 participants were enrolled, and the stud…

This study tests whether giving a short course of radiation to part of the breast before surgery is safe and practical for women with early-stage breast cancer. About 98 women over age 50 with small, hormone-sensitive tumors will receive radiation, then have surgery. Researchers …

This study tests a shorter radiation treatment (partial breast irradiation) for women with early-stage breast cancer or a pre-cancer called DCIS. Instead of treating the whole breast for 5-7 weeks, radiation is given only to the area where the tumor was removed, for just 2 weeks.…

This study looks at whether combining mammograms with breast MRIs can find breast cancer earlier in women at high risk, such as those with BRCA gene mutations. About 305 participants will get both scans yearly, and researchers will track how well they detect cancer and how the sc…

This phase 3 trial tests whether taking metformin for 12 months can reduce abnormal cells in the breast tissue of women at high risk for breast cancer. Participants have conditions like atypical hyperplasia or a strong family history. Researchers compare metformin to a placebo to…

This pilot study looks at whether adding hunger training to a standard diabetes prevention program helps obese women at high risk for breast cancer lose weight and lower their cancer risk. About 51 participants will learn weight-loss strategies and how to recognize true hunger. T…

This study tests whether a shorter course of higher-dose radiation (hypofractionated) is as good as or better than standard radiation for early-stage breast cancer. About 300 women with ductal carcinoma in situ or early invasive breast cancer are participating. The main goal is t…

This study compares two creams, Aquaphor and Miaderm, to see which one better treats skin irritation caused by radiation therapy in breast cancer patients. About 208 women with early-stage breast cancer will use one of the creams during their radiation treatment. The goal is to f…

This study is testing a very short course of radiation therapy for women with early-stage breast cancer. Instead of weeks of treatment, participants receive whole breast radiation with a targeted boost over just 5 days. Researchers will track how the breast looks and feels, and h…

This study tests whether a high-CBD plant extract can reduce joint stiffness and pain in women with breast cancer who take aromatase inhibitors. These drugs lower estrogen to prevent cancer return but often cause painful joints, leading some women to stop treatment. The trial wil…

This study looks at how normal breast tissue appears on MRI and mammogram to see if it can help predict breast cancer risk. Researchers are comparing images and health information from over 2,000 women, including those with and without breast cancer. The goal is to better underst…

This study looks at whether advanced breast MRI can tell the difference between harmless and dangerous breast calcifications, which are often a sign of very early-stage breast cancer called DCIS. About 122 women with suspicious calcifications or recent DCIS diagnosis will get an …

This study looks at how different breast cancer treatment decisions, like choosing between a lumpectomy or mastectomy, affect women's quality of life and emotional distress. Researchers followed 345 women with early-stage breast cancer and their partners to measure cancer-related…

This study planned to give high doses of vitamin D to women with breast cancer before their surgery. Researchers wanted to see if the vitamin would change certain markers in the cancer cells. However, the study was withdrawn before any participants were enrolled, so no results ar…

This study follows 1,500 women with ductal carcinoma in situ (DCIS), a very early form of breast cancer, who have had breast-conserving surgery. Researchers want to see if a genetic test called DCISionRT helps doctors decide whether to add radiation or hormone therapy after surge…

This study aimed to compare a less invasive procedure called vacuum-assisted excision (VAPE) to standard surgery for removing non-cancerous but high-risk breast lesions. The goal was to see if VAPE worked as well, was safer, and left better cosmetic results. However, the study wa…

This study looks at how patients feel physically and emotionally after having a breast biopsy for certain non-cancerous but atypical breast conditions. Over 900 participants from several hospitals answered surveys about pain and quality of life, on average nearly four years after…

This study looks at whether combining MRI scans with genetic testing can help doctors choose the best treatment for people with ductal carcinoma in situ (DCIS), a very early form of breast cancer that hasn't spread. About 368 participants will have an MRI and a genetic test on th…

This study looks at how well a medicated gel (afimoxifene) is absorbed through the skin of the breast in women who have had radiation for breast cancer. Researchers want to understand if differences in skin type or past radiation change how much gel gets into the breast tissue. T…