IRCT20250219064773N1 IRCT 2025-05-19 Kashan University of Medical Sciences Investigating the effectiveness of mindfulness-based schema therapy on the level of suicidal ideation, self-criticism, self-disgust, and psychological inflexibility in individuals with suicidal ideation. Investigating the effectiveness of mindfulness-based schema therapy on the level of suicidal ideation, self-criticism, self-disgust, and psychological inflexibility in individuals with suicidal ideation. 2025-04-09 anticipated 50 Complete https://irct.ir/trial/82147 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Other, Purpose: Other, Randomization description: groups: the experimental group (receiving mindfulness-based schema therapy) and the control group. Simple randomization using a table of random numbers was employed for group allocation. First, a list of eligible participants was prepared, and each individual was assigned a unique number. Then, starting from a randomly selected point in the random number table, the numbers were read sequentially. Based on whether the number was even or odd, participants were assigned to either the experimental group (even numbers) or the control group (odd numbers). This method was used to prevent allocation bias and to enhance the internal validity of the study. N/A Individuals with suicidal ideation. Intervention Group: The intervention group will receive 8 sessions of 90-minute mindfulness-based schema therapy based on the protocol presented by Michael van Vreeswijk and colleagues.. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is Due to the preservation of confidentiality, raw data will not be published.