Clinical trials

The goal of this interventional phase III clinical trial is to evaluate objective intracranial response rate (iORR) after a treatment with total cranial radiation therapy plus concomitant transdermal nitroglycerin (NTG) addition or total cranial radiation therapy only in patients with stage IV non-small cell lung cancer with brain metastases and EGFR mutation. The main questions it aims to answer are: Determine progression-free survival (PFS) to CNS and overall survival (OS). Evaluate and compare the quality of life (QoL) of patients during and after treatment. Evaluate the cognitive function of patients before, during and after treatment. Evaluate treatment-associated toxicity to grade adverse treatment events Evaluation of HIF1α, VEGF and ROS1 in peripheral blood before and after nitroglycerin treatment. All participants will have laboratory tests at the beginning and end of radiation therapy. Cranial MRI will be performed prior to treatment and 12 weeks after the end of treatment, then every 16 weeks until intracranial progression. Patients in the interventional group will be given 36 mg patches of transdermal nitroglycerin for 24 hours with a 12-hour rest interval during treatment with radiation therapy. The control group will only receive total cranial radiation therapy at the same doses and with the same schedule.

This open-label randomized clinical trial aims to evaluate the glutamine plus Lactobacillus reuteri supplementation effect in a standard-of-care diet in EGFR mutant patients with advanced non-small cell lung cancer (NSCLC) under tyrosine kinase inhibitors (TKIs) therapy. The main question it aims to answer is ¿What is the effect of glutamine plus L. reuteri added to an astringent diet in preventing diarrhea generated by TKI therapy? Patients will receive an astringent diet supplemented with 10 grams of glutamine and L. reuteri (100 million CFU). Researchers will compare the Glutamine plus L. reuteri diet with a standard astringent diet to see if TKI therapy diarrhea is prevented.

This interventional study aims to determine the pharmacokinetics of orally administered alectinib with dose escalation from 300 mg to 600 mg twice daily in Mexican patients with advanced ALK-positive NSCLC. The main question it aims to answer is: what will be the peak plasma concentrations of alectinib following sequential dose escalation (300, 450, and 600 mg BID) over nine weeks of pharmacokinetic evaluation (phase I) in Mexican patients with advanced ALK-rearranged NSCLC? In phase I (on days 0, 21, and 42), oral alectinib will be administered twice per day (BID) to patients with ALK-positive NSCLC; starting with 300 mg BID in 21-day cycles and dose escalation in 150 mg increments until 600 mg BID. Blood samples will be taken before and after administration of each dose (on days 1, 22, and 43). The primary endopoints in phase I will be dose-limiting toxicity (DLT) and PK parameters (Cmax. maximum plasma concentration; Tmax: time to reach maximum concentration: AUC 1-12: area under plasma ocncentrations-time curve steady-state concentration). At the end of the last blood collection (at day 43), the evaluation of each cycle will be at 600 mg, and the participant will be discharged to continue their treatment on an outpatient basis. Phase one will finish on day 63 of the study. In phase II, the chosen BID dose based on the phase I portion will be administrated until disease progression, development of unacceptable side effects, or withdrawal of consent. The primary endpoint in phase 2 is the overall response rate (ORR) per RECIST V.1.1.

Lung cancer is the most common neoplastic disease globally, with over 2 million new cases annually, accounting for 11.6% of all cancer diagnoses. It remains the leading cause of cancer-related deaths. Non-small cell lung cancer (NSCLC) makes up 80-85% of lung cancer cases, with most patients diagnosed at an advanced stage. Five-year survival rates are low, ranging from 8-18% worldwide. Advances in molecular biology have led to the identification of therapeutic targets in NSCLC. One of the most studied is the epidermal growth factor receptor (EGFR), a key regulator of tumor cell functions and a focus of targeted therapy development. EGFR mutations occur in about 15% of NSCLC cases globally but reach up to 34% in Mexico. Patients with these mutations are treated with tyrosine kinase inhibitors (TKIs), which improve response rates and progression-free survival (PFS) over chemotherapy. However, resistance to TKIs typically develops, prompting the need for strategies to overcome this challenge and extend PFS. Up to 30% of NSCLC patients have somatic mutations in the liver kinase B1 (LKB1) gene, a tumor suppressor that inhibits mTOR. In one study, 24 patients with LKB1 expression treated with metformin plus TKIs showed significantly improved overall survival. LKB1 activates AMP-activated protein kinase (AMPK), which regulates cell cycle and survival in NSCLC. Loss of LKB1 reduces AMPK activation and increases tumor necrosis following bevacizumab treatment. A study of 99 NSCLC samples linked high AMPK expression to poorer survival, though its role in metformin response is unclear. Metformin, a biguanide used for type 2 diabetes, has shown anticancer properties. Studies suggest metformin reduces cancer incidence and mortality. In vitro, it induces G0/G1 cell cycle arrest and counters TKI resistance due to epithelial-mesenchymal transition (EMT). Retrospective studies support its benefit in NSCLC, and prospective trials of metformin plus TKIs have yielded mixed results. This phase 3 randomized study aims to evaluate PFS in NSCLC patients with EGFR mutations treated with TKIs plus placebo versus TKIs plus metformin.

This randomized clinical study aims to assess whether prophylactic treatment with inhaled steroids in patients with locally advanced or concomitantly treated non-small cell lung carcinoma who are candidates for combination treatment with QT/RT or IMT + QT/RT. The main questions it aims to answer are: Whether prophylactic treatment decreases the severity of NPR on CTCAE v4.0 and RTOG scales. Whether inhaled steroid use modifies the response to radiation therapy treatment compared to patients who do not receive prophylactic inhaled steroids.

Lung cancer (LC) is usually diagnosed in advanced stages and continues to be the leading cause of cancer related deaths worldwide. Cancer cachexia are frequent among patients with LC affecting up to 80% of patients with advanced stage disease, and it has been related with higher risk of complications, length of hospital stay, and worst overall survival. During cancer cachexia, both muscle and fat mass can be wasted, however, the loss of muscle mass has been associated to higher treatment related toxicity, loss of functional status, shorter progression free survival and overall survival in different types of cancer under various treatments. Hence, preservation of muscle mass and function should be an important focus of the multidisciplinary treatment of patients with LC. Pulmonary rehabilitation (PR) has been known to improve pulmonary function, reduce fatigue and improve exercise tolerance in patients with LC undergoing curative surgery. However, few studies have focused on the efficacy of PR on patients with advanced cancer undergoing palliative care with chemotherapy or targeted therapies.

This prospective study aims to detect early-stage lung cancer using low-dose computed tomography (LDCT) in Mexicans aged 50 or older who are current or former heavy smokers, non-smokers exposed to significant wood smoke, or diagnosed with COPD. Annual LDCT, spirometry, and serum biomarker tests will be conducted over 3 years, and a follow-up lasting up to 10 years.

This study evaluate the association of body composition (mainly free-fat mass), clinical and biochemical parameters with development of toxicity in patients under treatment with Carboplatin/Paclitaxel in advanced NSCLC.

The goal of this non experimental, transversal instrument study is to Construct and determine the reliability and validity of the Scale of Therapeutic Adherence for Respiratory Rehabilitation in Lung Cancer in Mexican patients with a lung cancer diagnosis. The main question it aims to answer is: What is the reliability and validity of the Scale of Therapeutic Adherence for Respiratory Rehabilitation in Lung Cancer of the patients with this diagnosis that are currently undergoing an assessment or follow up program of Respiratory Rehabilitation? The Scale of Therapeutic Adherence for Respiratory Rehabilitation in Lung Cancer (STA-RR-LC) will be psychometrically valid and reliable for the evaluation of therapeutic adherence on patients with lung cancer that are undergoing an assessment or follow up of Respiratory Rehabilitation.Participants will be asked to fill out an Identification card and fill out the fifty-six items presented on the STA-RR-LC.

This is a study that aims to demonstrate the non-inferiority of minimally invasive surgery versus open surgery, as an approach for patients with advanced ovarian cancer who received neoadjuvant chemotherapy, giving them the benefits of laparoscopic surgery. This way they can continue with their complementary treatment.

Patients with hematological malignancies receive highly myelotoxic chemotherapy regimens that cause periods of severe myelosuppression, which places them at high risk of developing bacteremia. At a global level, a very significant increase in multidrug-resistant (MDR) Gram-negative microorganisms, particularly Enterobacteriaceae producing extended-spectrum beta-lactamases (ESBL) and MDR P.aeruginosa, have been described during the last decade. Among the strategies to reduce bacterial resistance, ceftolozane/tazobactam (C/T) as a "carbapenem-sparing" antibiotic has been proposed. C/T has broad-spectrum activity since it has action against ESBL-producing Enterobacteriaceae and MDR P. aeruginosa. Studies carried out in the real world using this antibiotic in patients with hematological malignancies have demonstrated clinical success in reports and case series, considered a therapeutic option in patients with Enterobacteriaceae and P. aeruginosa infections, particularly in MDR pathogens. At the National Cancer Institute (in Spanish, Instituto Nacional de Cancerologia), Gram-negative bacilli have been identified for more than 20 years as the pathogens most frequently associated with bacteremia. Escherichia coli occupies the first place in 25% (41% ESBL), followed by Klebsiella spp. in 5.6% (11.2% ESBL) and P. aeruginosa in 5.6% (11.2% MDR). The protocol for approaching and treating hematological malignancy patients with severe neutropenia and fever is to initiate an antimicrobial regimen with piperacillin/tazobactam (P/T). In patients who persist with fever after 48 to 72 hours of starting antibiotics, who present with clinical deterioration, or in whom P/T-resistant bacteria are identified, this is escalated to carbapenem. Therefore, it is proposed to compare the clinical and microbiological response in patients with hematological malignancies who present with severe neutropenia and fever and who present clinical data of bacteremia, with empirical treatment with C/T vs. P/T, trying to reduce the use of carbapenems in this group of patients.

Breast cancer is the leading cause of mortality in women worldwide. Latin-American women are diagnosed at younger ages, in advanced stages, and with aggressive molecular subtypes. Lifestyle seems related to these aggressive conditions and worse outcomes. The present study seeks to evaluate the effect of a hybrid multidisciplinary intervention for implementing a healthy lifestyle to modify the personal and internal exposome of young women with breast cancer. This randomized controlled experimental study with two groups: Group 1: Hybrid multidisciplinary lifestyle education intervention. Group 2: Individualized hybrid multidisciplinary lifestyle interventions. The multidisciplinary lifestyle intervention program includes oncology, nutrition, physiotherapy, and psychology interventions.

Ovarian cancer is the leading cause of gynecological cancer mortality, with no current screening method effective for early diagnosis, with 75% of advanced stage patients being detected. Not all patients are candidates for standard treatment, which is primary cytoreduction followed by adjuvant chemotherapy, due to the advanced process. A subgroup of patients will receive neoadjuvant chemotherapy followed by interval surgery, which allows higher rates of optimal cytoreduction with low morbidity and mortality. Hyperthermic intraperitoneal chemotherapy (HIPEC) is a therapeutic option that is used in pathologies of peritoneal dissemination, whose morbidity and mortality has been reported in several series and is promising as a management option for ovarian cancer, so it is necessary to evaluate morbidity and mortality that conditions this modality of treatment as well as if it impacts on the quality of life of the patients to whom they are performed, which will allow offering our patients an option of additional treatment to the standard.