Mass General - Division of Clinical Research

Purpose: About 6.4% of the U.S. population suffers from posttraumatic stress disorder (PTSD). Trauma-focused psychotherapies are generally effective in PTSD, but responses vary greatly across individuals and PTSD subpopulations. Neurobiological factors impacted by life experiences, stress, and genetics can affect treatment responses. These factors can alter brain capacities needed to reprocess traumatic memories prevent them from triggering intensely distressing, disruptive, out-of-place responses. For example, during psychotherapy for PTSD, trauma memory activation engages two competing brain processes that affect recovery: "extinction" versus "reconsolidation" of trauma-related emotional, physiological, and behavioral responses. This study tests whether a single intravenous (IV) dose of allopregnanolone (Allo) compared to placebo (which is non-active): promotes consolidation of extinction learning (sub-study 1) or blocks reconsolidation of physiological responses triggered by aversive memories (sub-study 2). The study also tests whether Allo compared to placebo affects retention of non-aversive memories.

Type: Interventional

Start Date: Aug 2025

open study

The goal of this pilot randomized clinical trial is to prepare for a larger randomized clinical trial (RCT) and collect some early data to learn if the intervention can help people who use medications for opioid use disorder (MOUD). The main questions it aims to answer are: 1. Is it feasible to recruit and randomize people to both treatment groups? 2. Does linking people to recovery community centers lead to better recovery outcomes? Researchers will compare linking people to recovery community centers (RCC) to enhanced treatment as usual to see if recovery outcomes are different. In one group, participants will learn about their local RCC and will be asked to visit their local RCC on at least two days and write about their experiences. In the other group, participants will learn about different recovery activities, pick any two, and do the activities of their choice on at least two days. They will also be asked to write about their experiences. People in both groups will answer online survey questions about their recovery outcomes and well-being in five surveys over one year.

Type: Interventional

Start Date: Aug 2025

open study

BMT CTN 2207 will investigate the use of marrow transplantation for treatment of severe aplastic anemia that has not previously been treated.

Type: Interventional

Start Date: May 2025

open study

This is a prospective, multi-center, randomized effectiveness trial of the CardioGard Embolic Protection Cannula in high-risk valve surgery patients.

Type: Interventional

Start Date: Sep 2023

open study

This research study involves the study of CD79b-19 CAR T cells for treating people with relapsed/refractory Non-Hodgkin Lymphoma and to understand the side effects when treated with CD79b-19 CAR T cells. This research study involves the study drugs: - CD79b-19 CAR T cells - Fludarabine and Cyclophosphamide: Standardly used chemotherapy drugs as part of lymphodepleting process

Type: Interventional

Start Date: Oct 2023

open study

The goal of this study is to assess response to kisspeptin as well as the baseline patterns of luteinizing hormone (LH) secretion in individuals with polycystic ovarian syndrome (PCOS).

Type: Interventional

Start Date: Oct 2023

open study

The TSC Biosample Repository collects and stores samples of blood, DNA, and tissues that scientists can request to use in their research. The samples we collect are all linked to clinical data in the TSC Natural History Database. The TSC Natural History Database captures clinical data to document the impact of the disease on a person's health over his or her lifetime. This data may be collected retrospectively or prospectively.

Type: Observational [Patient Registry]

Start Date: Jan 2016

open study

Phase 1/2, dose escalation and expansion study designed to evaluate the safety and tolerability of neladalkib (NVL-655), determine the recommended phase 2 dose (RP2D), and evaluate the antitumor activity in patients with advanced ALK- positive (ALK+) NSCLC and other solid tumors. Phase 1 will evaluate the overall safety and tolerability of neladalkib and will determine the RP2D and, if applicable, the maximum tolerated dose (MTD) of neladalkib in patients with advanced ALK+ solid tumors. Phase 2 will determine the objective response rate (ORR) as assessed by Blinded Independent Central Review (BICR) of neladalkib at the RP2D. Secondary objectives will include the duration of response (DOR), time to response (TTR), progression-free survival (PFS), overall survival (OS), and clinical benefit rate (CBR) of neladalkib in patients with advanced ALK-positive NSCLC and other solid tumors.

Type: Interventional

Start Date: Jun 2022

open study

To evaluate the safety and effectiveness of Embrace Hydrogel Embolic System for the transcatheter embolization of peripheral arterial bleeds.

Type: Interventional

Start Date: Dec 2022

open study

This is a randomized, double blind, placebo-controlled study of the effects of intranasal oxytocin in youths with obesity, ages 12-18 years old. Subjects will be randomized to receive intranasal oxytocin or placebo (1 spray per nostril, 4 times per day) for 12 weeks. Study visits include screening to determine eligibility, 2-part main study visits at baseline, week 8, and week 12, and safety check-in visits at weeks 1, and 4; phone calls at weeks 2, 6, and 10, with a safety follow-up visit 6 weeks after the last dose of study drug. Study procedures include appetite, behavioral, metabolic, and endocrine assessments.

Type: Interventional

Start Date: Jul 2021

open study

This is a randomized trial of vaginal microbiome transplant vs. saline placebo to restore a Lactobacillus dominant vaginal microbial community in women with recurrent bacterial vaginosis.

Type: Interventional

Start Date: Apr 2021

open study

The purpose of this study is to assess the safety, tolerability, and immunogenicity of mRNA-4157 alone and in combination in participants with solid tumors.

Type: Interventional

Start Date: Aug 2017

open study

The purpose of this study is to find risk factors for hemorrhagic stroke.

Type: Observational

Start Date: Jan 2025

open study

This is a longitudinal, observational epidemiological study designed to estimate the prevalence of depression, anxiety, and behavior problems in children ages 18 months through 11 years with cystic fibrosis (CF).

Type: Observational

Start Date: Jun 2025

open study

The goal of this interventional study is to evaluate two strategies for how to provide intravenous (IV) fluids for treating patients with acute kidney injury (AKI) in cirrhosis. The main question it aims to answer is: what is the safety, efficacy, and feasibility of providing a recommendation to use a Volume Assessment Guidance Algorithm (VAGA) or give standard of care doses of IV albumin? Patients will be randomly assigned where their treating teams will receive a VAGA-based recommendation or a standard of care IV albumin recommendation.

Type: Interventional

Start Date: Sep 2024

open study

This research study is evaluating to examine the efficacy of a novel a self-administered digital application (DREAMLAND) for improving patients' long-term quality of life and psychological outcomes for patients with acute myeloid leukemia undergoing intensive chemotherapy.

Type: Interventional

Start Date: Oct 2024

open study

The purpose of this study is to assess the safety, tolerability, drug levels, drug efficacy and determine the recommended dose of BMS-986497 as a monotherapy, in double combination with Azacitidine and in triple combination with Azacitidine and Venetoclax in participants with relapsed or refractory acute myeloid leukemia (AML) or myelodysplastic syndrome (MDS).

Type: Interventional

Start Date: May 2024

open study

This is a multi-center retrospective chart review to compile a data repository of the management and outcomes of children with biliary atresia. Overall, investigators aim to evaluate which specific factors contribute to improved patient outcomes, to help guide potential improvements in patient care and resource utilization.

Type: Observational

Start Date: May 2024

open study

The purpose of this platform study is to evaluate the safety, tolerability, pharmacokinetics (PK), and preliminary antitumor activity of novel RAS(ON) inhibitors as a monotherapy or combined with Standard(s) of Care (SOC) or with each other. The first four subprotocols include the following: Subprotocol A: RMC-6291 +/- RMC-6236 + SOC Subprotocol B: RMC-6236 + SOC Subprotocol C: RMC-9805 +/- RMC-6236 + SOC Subprotocol D: RMC-9805

Type: Interventional

Start Date: Jan 2024

open study

The goal of this interventional study is to compare standard mechanical ventilation to a lung-stress oriented ventilation strategy in patients with Acute Respiratory Distress Syndrome (ARDS). Participants will be ventilated according to one of two different strategies. The main question the study hopes to answer is whether the personalized ventilation strategy helps improve survival.

Type: Interventional

Start Date: Jun 2024

open study

This is a multicenter prospective study of patients who currently have stably implanted spinal cord simulators. Patients will be randomly assigned to turn on or off their spinal cord stimulators for two week intervals up to six weeks after enrollment, and on the final day of study participation, for one hour intervals, in a multi-crossover design. In a subset of patients we will also perform combined positron emission tomography/magnetic resonance imaging at baseline, week 2 and week 4.

Type: Interventional

Start Date: Jun 2023

open study

Determine the difference in the modified Rankin score at 16 weeks in participants with anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis treated with "first-line" immunomodulatory therapies provided as standard-of-care, and either inebilizumab (investigational agent) or placebo.

Type: Interventional

Start Date: Mar 2022

open study

The purpose of this study is to assess whether postoperative adjuvant therapy with mRNA-4157 and pembrolizumab improves recurrence free survival (RFS) compared to pembrolizumab alone in participants with complete resection of cutaneous melanoma and a high risk of recurrence.

Type: Interventional

Start Date: Jul 2019

open study

A prospective, open-label, multi-cohort, non-randomized, multicenter Phase 2 study evaluating adoptive cell therapy (ACT) with TIL [LN-144/LN-145 (lifileucel)] in combination with immune checkpoint inhibitors or TIL [LN-144/LN-145 (lifileucel) and LN-145-S1] as a single agent therapy.

Type: Interventional

Start Date: May 2019

open study

The goal of this clinical trial is to learn if the Auryon Atherectomy System with balloon angioplasty safe and effective in treating lower limb blockages. The main question it aims to answer is: Is treatment with Auryon Atherectomy System more effective than angioplasty alone in preventing death, amputation, revascularization and improving patency? Researchers will compare the Auryon Atherectomy System with balloon angioplasty to balloon angioplasty alone.

Type: Interventional

Start Date: Apr 2025

open study