Dunwoody, Georgia Clinical Trials

Study to Assess the Safety and Effectiveness of NMRA-335140-501

This is a 52-week open-label extension (OLE) study that will evaluate the safety, tolerability, and effectiveness of NMRA-335140 in participants with major depressive disorder (MDD). Participants who completed a parent study investigating the efficacy and safety of NMRA-335140 as a treatment for MDD (ie, NMRA-335140-301, NMRA-335140-302, or NMRA-335140-303), and complete …

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A Study to Compare Two Surgical Procedures in Individuals With BRCA1 Mutations to Assess Reduced Risk of Ovarian Cancer

This clinical trial studies how well two surgical procedures (bilateral salpingectomy and bilateral salpingo-oophorectomy) work in reducing the risk of ovarian cancer for individuals with BRCA1 mutations. Bilateral salpingectomy involves the surgical removal of fallopian tubes, and bilateral salpingo-oophorectomy involves the surgical removal of both the fallopian tubes and ovaries. …

R Rita Mehta, MD

Testing Radiation and HER2-targeted Therapy Versus HER2-targeted Therapy Alone for Low-risk HER2-positive Breast Cancer

This Phase III trial compares the recurrence-free interval (RFI) among patients with early-stage, low risk HER2+ breast cancer who undergo breast conserving surgery and receive HER2-directed therapy, and are randomized to not receive adjuvant breast radiotherapy versus those who are randomized to receive adjuvant radiotherapy per the standard of care.

Study of Navtemadlin as Maintenance Therapy in TP53WT Advanced or Recurrent Endometrial Cancer

This study evaluates navtemadlin as maintenance treatment for patients with advanced or recurrent endometrial cancer (EC) who have achieved complete response or partial response on chemotherapy. The study will be conducted in 2 parts. Part 1 will evaluate safety and efficacy of two different doses of navtemadlin alongside an observational …

Study of AMG 509 in Participants With Metastatic Castration-Resistant Prostate Cancer

The overall aim of the trial is to evaluate the safety, tolerability, and pharmacokinetics (PK) of AMG 509 (monotherapy and in combination with abiraterone acetate and enzalutamide) and to evaluate preliminary efficacy. As of Protocol Amendment 10 (09 July 2025), only Parts 4A expansion, 6, and 7 are open to …

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A Study of Dexlansoprazole Delayed-Release Capsules to Treat Symptomatic Nonerosive Gastroesophageal Reflux Disease in Children

The main aims of the study are to see the side effects of Dexlansoprazole treatment effectiveness of Dexlansoprazole treatment in children having symptomatic nonerosive gastroesophageal reflux disease (GERD). Participants will take Dexlansoprazole by mouth once daily for 12 weeks

A Adam Berger, MD

Melanoma Margins Trial-II: 1cm v 2cm Wide Surgical Excision Margins for AJCC Stage II Primary Cutaneous Melanoma

Patients with a primary invasive melanoma are recommended to undergo excision of the primary lesion with a wide margin. There is evidence that less radical margins of excision may be just as safe. This is a randomised controlled trial of 1 cm versus 2 cm margin of excision of the …

H Holly B Henry

Lung-MAP: A Master Screening Protocol for Previously-Treated Non-Small Cell Lung Cancer

This screening and multi-sub-study randomized phase II/III trial will establish a method for genomic screening of similar large cancer populations followed by assigning and accruing simultaneously to a multi-sub-study hybrid Master Protocol (Lung-MAP). The type of cancer trait (biomarker) will determine to which sub-study, within this protocol, a participant will …

R Rita Mehta, MD

De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)

This Phase III Trial evaluates whether breast conservation surgery and endocrine therapy results in a non-inferior rate of invasive or non-invasive ipsilateral breast tumor recurrence (IBTR) compared to breast conservation with breast radiation and endocrine therapy.

R Rita Mehta, MD

Adding an Immunotherapy Drug, MEDI4736 (Durvalumab), to the Usual Chemotherapy Treatment (Paclitaxel, Cyclophosphamide, and Doxorubicin) for Stage II-III Breast Cancer

This phase III trial compares the addition of an immunotherapy drug (durvalumab) to usual chemotherapy versus usual chemotherapy alone in treating patients with MammaPrint High 2 Risk (MP2) stage II-III hormone receptor positive, HER2 negative breast cancer. Immunotherapy with monoclonal antibodies, such as durvalumab, may help the body's immune system …