Attachment-Based Therapy in Adolescent Substance Users: A Meta-Synthesis of Emotional Isolation and Avoidant Attachment Patterns

Adolescence represents a pivotal developmental stage, characterized by significant transformations in cognitive, emotional, and behavioral capacities, as well as shifts in educational environments, social expectations, and opportunities.¹ Approximately one-fifth of the global population falls within the adolescent age range of 11 to 19 years, with data indicating that 85% of these adolescents reside in developing countries. In Iran, adolescents aged 11 to 19 constitute roughly 16 million individuals, accounting for 27% of the total population.² The significance of this period stems not only from its role as a transitional phase but also from the heightened vulnerability adolescents face from psychological and social challenges. Among the most prominent of these challenges is substance use, which can exert profound and lasting effects on their developmental, psychological, and social well-being.³

Substance use disorders (SUDs) among adolescents pose a profound global public health concern, with epidemiological data indicating that approximately 5% to 8% of youth aged 12 to 17 engage in regular substance misuse, often resulting in enduring neurodevelopmental, psychological, and social impairments.^4,5 In Iran, where cultural and socioeconomic factors intersect with limited access to specialized care, prevalence rates are notably higher, with studies reporting up to 12% to 15% of adolescents experimenting with or dependent on substances such as opioids, cannabis, and stimulants.⁶

Attachment theory, foundational to understanding relational influences on psychopathology, suggests that insecure attachment styles—particularly avoidant attachment—contribute to maladaptive emotional regulation strategies, including substance use as a means to cope with interpersonal distress.⁷ Avoidant attachment is characterized by emotional suppression, discomfort with intimacy, and a preference for self-reliance, which can exacerbate vulnerability to addiction during adolescence.⁸ Concurrently, emotional isolation, defined as a subjective sense of disconnection from supportive social networks and an inability to articulate or process emotional needs, frequently co-occurs with avoidant attachment, creating a vicious cycle that perpetuates substance dependency.⁹ This dynamic is particularly detrimental during adolescence, a developmental stage characterized by heightened sensitivity to social cues, identity formation, and the establishment of long-term relational patterns.¹⁰ Adolescents who experience emotional isolation may turn to substances as a form of emotional numbing, attempting to alleviate the distress of unmet relational needs. This coping strategy, however, often deepens their sense of isolation, as substance use can strain relationships with family and peers, further entrenching feelings of disconnection and reinforcing the cycle of addiction.^11,12

Despite significant advancements in adolescent SUD treatment, including evidence-based approaches such as cognitive behavioral therapy,¹³ motivational interviewing,¹⁴ and family-based interventions,¹⁵ treatment outcomes remain suboptimal. Relapse rates are alarmingly high, with studies reporting that 50% to 70% of adolescents relapse within the first year following treatment.^16,17 These statistics highlight a critical gap in current interventions, which often focus on behavioral modification and symptom management without adequately addressing the underlying relational and emotional deficits that drive substance use. For adolescents with avoidant attachment and emotional isolation, traditional interventions may fall short because they do not directly target the relational insecurities and emotional dysregulation that underpin their addiction.¹⁸

Attachment-based interventions, which prioritize fostering secure relational bonds and enhancing emotional attunement, offer a promising avenue for addressing these gaps.¹⁹ In adult populations with SUDs, attachment-based interventions have shown moderate success, with studies reporting small to medium effect sizes for improvements in attachment security and reductions in substance cravings.^20,21 These approaches typically involve therapeutic techniques that promote trust, emotional expression, and relational repair, such as exploring early attachment experiences, building therapeutic alliances, and facilitating secure connections with supportive figures.²² Moreover, few studies have systematically integrated findings on avoidant attachment and emotional isolation to elucidate how these constructs shape adolescents’ engagement with therapy and recovery trajectories.

Given the growing yet dispersed body of qualitative research in this field, there is a pressing need to synthesize existing findings to derive a coherent theoretical and clinical understanding of how attachment-based mechanisms operate in adolescent substance users. Meta-synthesis, as an interpretive approach to integrating qualitative evidence, enables the identification of overarching themes, relational patterns, and therapeutic processes that may not be visible in individual studies.

Accordingly, the present study conducts a meta-synthesis of qualitative research on attachment-based therapy among adolescent substance users, with a particular focus on emotional isolation and avoidant attachment patterns. Through systematically integrating prior empirical insights, this study aims to:

1. Elucidate the emotional and relational experiences underlying adolescent substance use;
2. Identify attachment-related mechanisms that facilitate or hinder recovery; and
3. Generate a conceptual framework to guide the development of culturally sensitive, attachment-informed interventions.

Methods

This study employed a qualitative meta-synthesis design, an interpretive approach that integrates findings from multiple qualitative studies to generate new conceptual insights beyond individual studies. Following the 7-step method proposed by Sandelowski and Barroso (2007),²³ the meta-synthesis aimed to synthesize qualitative evidence on attachment-based therapy (ABT) among adolescent substance users, with particular attention to themes of emotional isolation and avoidant attachment.

Step 1: Formulating the Research Question

The guiding research question for this meta-synthesis was:

“What are the key emotional and relational mechanisms described in qualitative studies that explain the role of attachment-based therapy in addressing emotional isolation and avoidant attachment among adolescent substance users?”

Based on this question, inclusion criteria were defined as follows:

• Studies published in peer-reviewed international journals;
• Studies employing qualitative or mixed qualitative designs;
• Studies focused on adolescents (aged 11-19) with substance use experiences;
• Studies explicitly addressing attachment-based interventions, attachment patterns, or emotional processes (eg, emotional isolation, avoidance, or regulation) within therapeutic contexts.

Step 2: Systematic Search of Databases

A comprehensive and systematic search was conducted across 9 international databases—Scopus, ScienceDirect, SpringerLink, ProQuest, Emerald Insight, Embase, PubMed, Web of Science, and UpToDate—and 2 national Persian-language databases, namely SID and IranDoc. Search terms included combinations of “attachment-based therapy,” “adolescents,” “substance use,” “avoidant attachment,” “emotional isolation,” and “qualitative study.” The search was restricted to publications between 2015 and 2025 to ensure inclusion of recent empirical and therapeutic developments. Additional manual searches (hand searching) of reference lists and relevant journals were conducted to capture studies not indexed in major databases.

Step 3: Screening and Selection of Studies

The initial search identified 56 qualitative or mixed-method studies. After title and abstract screening, 18 studies were excluded due to lack of relevance to the research question or inappropriate methodology. A full-text review of the remaining papers was then performed, resulting in 15 studies meeting inclusion criteria (Figure).

Step 4: Critical Appraisal and Data Extraction

Each study included in the synthesis underwent a rigorous quality appraisal to ensure methodological integrity and credibility of the findings. The Critical Appraisal Skills Programme (CASP) qualitative checklist was employed as the primary tool for this evaluation.²⁴ This checklist comprises 10 criteria assessing various methodological dimensions, including the clarity of research aims, appropriateness of design, sampling strategy, data collection procedures, researcher–participant relationship, ethical considerations, analytical rigor, transparency of findings, and overall contribution to knowledge. Each study was independently assessed by 2 reviewers, who assigned scores ranging from 1 (very weak) to 5 (very strong) for each criterion, yielding a total possible score of 50. Discrepancies in scoring were discussed and resolved through consensus meetings to enhance reliability. Based on total quality scores, studies were categorized as very good (41–50), good (31–40), moderate (21–30), weak (11–20), or very weak (0–10). Studies rated as weak or very weak were excluded from the synthesis. As a result, 15 qualitative studies met the inclusion and quality criteria and were retained for final analysis. Data extraction focused on key findings, participant characteristics, context, methodological approaches, and authors’ interpretations related to emotional isolation, avoidant attachment, and therapeutic processes. Extracted data were organized into a synthesis matrix to facilitate cross-study comparison and thematic integration in subsequent analytic steps.

Step 5: Data Analysis and Thematic Synthesis

Qualitative data (themes, participant quotations, and authors’ interpretations) were extracted and entered into a synthesis matrix. Following thematic synthesis procedures, initial codes were inductively derived from the primary studies and then clustered into basic, organizing, and global themes. These steps enabled the development of an integrative conceptual model reflecting the interrelationships between attachment insecurity, emotional isolation, and therapeutic transformation in adolescent substance use.

Step 6: Quality Control and Researcher Triangulation

To enhance the trustworthiness and methodological rigor of the synthesis, multiple quality-control strategies were employed throughout analysis. Two researchers independently coded the extracted data and maintained detailed audit trails (codebooks, reflexive memos, and decision logs) to record analytic choices and the evolution of themes. Inter-coder discrepancies were identified through systematic comparison and resolved via consensus meetings; where needed, a third senior reviewer adjudicated unresolved differences to safeguard analytic consistency. Methodological sensitivity analyses were conducted to assess the influence of study quality on synthesized findings by comparing themes derived from higher- vs moderate-quality studies and by re-running portions of the synthesis after temporarily excluding studies rated as moderate. Credibility was further strengthened through peer debriefing with external experts in attachment theory and adolescent addiction who reviewed emerging themes and the conceptual model. Reflexivity was foregrounded: team members documented their disciplinary perspectives and potential biases, and these reflections guided interpretation to minimize confirmatory bias. Finally, dependability and confirmability were supported by providing transparent documentation of the synthesis procedures, enabling an external audit of analytic steps and facilitating reproducibility of the interpretive claims.

Step 7: Presentation of Findings and Conceptual Model

In the final stage, the synthesized findings were organized into coherent thematic structures and illustrated through a conceptual model. The model integrates the core and subthemes identified in previous steps, depicting the dynamic interaction between avoidant attachment, emotional isolation, and substance-use behaviors among adolescents. Each theme was supported by synthesized evidence from the reviewed studies to ensure analytical depth and validity. The conceptual model highlights both risk pathways (eg, emotional suppression, relational avoidance) and therapeutic mechanisms (eg, emotional attunement, secure bonding) that inform attachment-based interventions. This synthesis provides a theoretically grounded framework for enhancing clinical practice and guiding future research.

Findings

Data analysis was conducted using thematic analysis, following an iterative process of identifying, comparing, and refining key themes. The initial codes and categories were reviewed and discussed through an online focused group discussion among the research team to ensure interpretive accuracy and consensus. Ethical considerations were strictly observed, including informed consent, voluntary participation, anonymity, and confidentiality of all included studies.

Thematic synthesis clustered all extracted factors into basic themes, then into 9 organizing sub-themes, and finally into 3 global themes: (1) emotional isolation and rupture of primary bonds; (2) emotional avoidance and maladaptive regulation strategies; and (3) attachment reconstruction in ABT. This structure yielded a recursive model linking early relational deficits, substance use, and therapeutic change (Table).

Discussion

This meta-synthesis, drawing upon 15 rigorously appraised qualitative studies spanning Iranian and international contexts, elucidates a theoretically coherent and clinically actionable pathway linking avoidant attachment, emotional isolation, and SUDs in adolescence. Through interpretive integration, we delineate a dynamic, recursive model wherein early relational ruptures engender deactivating strategies that culminate in substance-mediated pseudo-attachment, only to be disrupted and recalibrated via ABT. This framework not only corroborates but extends attachment theory’s core tenets; particularly the primacy of internal working models (IWMs) in shaping affect regulation and interpersonal schemas^7,25; while addressing a critical lacuna in adolescent SUD literature: the underexplored interplay between developmental sensitivity and relational psychopathology.

The Ontogeny of Risk: From Relational Void to Substance-Mediated Deactivation

At the model’s genesis lies emotional avoidance and suppression (Theme 2), a cardinal deactivating strategy manifest in alexithymia, hyper-cognitive control, and performative emotional indifference. Adolescents articulated profound deficits in emotional granularity—“I don’t know what I feel, just that it hurts”; rooted in early attachment injuries (Theme 1-1): chronic parental emotional unavailability, dismissive responses to distress bids, and systemic neglect within high-stress familial ecologies. In collectivist Iranian milieus, where intergenerational emotional expressivity is culturally constrained by honor-shame dynamics and socioeconomic precarity,^26,27 such invalidation may be particularly corrosive, engendering a double bind: the cultural imperative for familial cohesion clashes with experiential disconnection, amplifying internal dissonance.

This relational void crystallizes into avoidant IWMs (Theme 1-2), characterized by anticipatory mistrust (“People will leave if I need them”),²⁸ compulsive self-reliance, and preemptive withdrawal from intimacy. Such schemas align with deactivation hyperactivation hypotheses,²⁵ wherein avoidant individuals suppress attachment needs to preserve autonomy—yet at the cost of chronic hypervigilance to rejection cues. In adolescence, a phase of heightened neuroplasticity in the social brain and identity consolidation,^29,30 these IWMs become developmentally entrenched, rendering peer and familial bonds as threat rather than resource.

The resultant emotional isolation; a subjective, existential aloneness despite physical proximity; propels compensatory coping via substance use (Theme 1-3). Substances function as chemical secure bases, transiently downregulating amygdala reactivity and simulating attachment gratification via dopamine-mediated reward.³¹ Qualitative data reveal a tripartite substitution: (a) numbing rejection distress, (b) simulating belonging within deviant peer subcultures, and (c) artificially inducing emotional states inaccessible interpersonally. Yet this pseudo-attachment is inherently destabilizing: post-intoxication shame, eroded trust, and relational sabotage reinforce the very isolation it seeks to escape, instantiating a self-perpetuating addictive cycle structurally homologous to attachment trauma reenactment.³²

This cycle illuminates the iatrogenic limitations of conventional adolescent SUD interventions. Cognitive-behavioral and motivational approaches, while efficacious for behavioral inhibition, may paradoxically activate avoidant defenses by demanding emotional disclosure absent a secure relational container.³³ The 50% to 70% one-year relapse rates likely reflect this mismatch: symptom-focused protocols bypass the affective-relational substrate of addiction, leaving IWMs intact.³⁴

Therapeutic Transformation: From Deactivation to Earned Security

ABT’s transformative potential resides in its corrective relational enactment (Theme 3), wherein the therapist embodies a responsive attachment figure (Theme 3-1). Through contingent mirroring, emotional attunement, and nonpossessive warmth, therapists disrupt deactivating strategies, fostering mentalized affectivity³⁵; the capacity to feel and think about feeling simultaneously. Adolescents reported pivotal shifts: from “The therapist was the first adult who really listened when I was upset and didn't turn away” to tentative trust “Maybe not everyone leaves when you need them.”^36,37 This earned security is not merely transference-based but developmentally catalytic, recalibrating IWMs during a window of heightened plasticity.³⁸

Central mechanisms of ABT in adolescent substance users operate through multiple interrelated processes. Coregulation within the therapeutic dyad (Theme 3-2) involves naming, validating, and metabolizing previously suppressed affects, which has been shown to reduce alexithymia and enhance prefrontal–amygdala connectivity.³⁹ Narrative reconstruction allows adolescents to explore their attachment histories within a safe relational frame, transforming implicit procedural memories into explicit autobiographical coherence and thereby diminishing compulsive avoidance. Identity reconsolidation (Theme 3-3) occurs as adolescents experience themselves as worthy of care, rebuilding self-coherence, countering shame-based self-concepts, and enabling authentic intimacy. In Iranian samples, the cultural congruence of therapists—integrating collectivist values of familial duty while gently challenging norms of emotional stoicism—emerged as a critical facilitator of engagement.⁴⁰ These findings highlight the importance of culturally syntonic ABT, in which universal attachment principles are meaningfully embedded within local cultural frameworks to optimize therapeutic efficacy.

Clinical and Research Implications

ABT should be prioritized within treatment protocols for adolescent SUDs. Clinicians require structured training in secure-base provision, mentalization-based techniques, and family attunement strategies. In the Iranian context, integrating Family therapy may help mitigate the intergenerational transmission of avoidant attachment. Additionally, digital adaptations of ABT, such as secure messaging to facilitate co-regulation between sessions, warrant exploration given adolescents’ familiarity with digital communication.

Longitudinal mixed-methods studies are needed to advance the empirical evidence base. Key priorities include quantifying shifts in IWMs post-ABT using validated measures (eg, ECR-R, AAS), testing mediation models linking avoidant attachment, emotional isolation, and substance craving, and examining potential moderators such as trauma exposure, cultural individualism-collectivism, and neurobiological markers (eg, oxytocin responsivity). Such investigations will inform both theoretical refinement and the culturally sensitive optimization of ABT for adolescent populations.

Concluding Thoughts

This meta-synthesis presents a developmentally informed, relationally grounded framework for understanding adolescent SUDs, highlighting avoidant attachment and emotional isolation as a common pathway linking early adversity to addiction. The efficacy of ABT lies in its capacity to re-author this pathway through earned security, promoting not only abstinence but also relational rehabilitation and emotional reconnection. In the context of rising adolescent mental health challenges, these findings underscore the need for a paradigm shift in intervention: moving beyond symptom suppression toward attachment restoration as a central component of recovery.

Mr Majooti is a PhD student in psychology, Faculty of Humanities, at Sanandaj Azad University, in Sanandaj, Kurdistan, Iran.

References

1. Azadi Dehbidi F, Khormaei F, Sheikholeslami R, Hosinchari M. The mediating role of positive youth development in the relationship between ethical climate school with destructive academic behaviors. Educational Psychology. 2021;17(62):177-203.

2. Tabarsa M, KhaluBagheri E, Hekmati-Pour N. The effect of extended parallel process model on female adolescent sexual restraint. Nursing Development in Health Journal. 2022;13(2):61-69.

3. Vannucci A, Simpson EG, Gagnon S, Ohannessian CM. Social media use and risky behaviors in adolescents: a meta-analysis. J Adolesc. 2020;79:258-274.

4. World Drug Report 2024. 2024. Accessed May 15, 2026. https://www.unodc.org/unodc/en/data-and-analysis/world-drug-report-2024.html

5. Organization WH. United Nations Office on Drugs and Crime (UNODC)(2020) International Standards for the Treatment of Drug Use Disorders: Revised Edition Incorporating Results of Field-testing. World Health Organization and United Nations Office on Drugs and Crime. 2022.

6. Momtazi S, Rawson R. Substance abuse among Iranian high school students. Curr Opin Psychiatry. 2010;23(3):221-226.

7. Bowlby J. The Bowlby-Ainsworth attachment theory. Behavioral and Brain Sciences. 1979;2(4):637-638.

8. Wardecker BM, Chopik WJ, Moors AC, Edelstein RS. Avoidant attachment style. Encyclopedia of Personality and Individual Differences. Springer; 2016:1-7.

9. Padial-Ruz R, Pérez-Turpin JA, Cepero-González M, Zurita-Ortega F. Effects of physical self-concept, emotional isolation, and family functioning on attitudes towards physical education in adolescents: structural equation analysis. Int J Environ Res Public Health. 2020;17(1):94.

10. Wolters NE, Mobach L, Wuthrich VM, et al. Emotional and social loneliness and their unique links with social isolation, depression and anxiety. J Affect Disord. 2023;329:207-217.

11. SAMHSA, Office of the Surgeon General (US). The neurobiology of substance use, misuse, and addiction. Facing Addiction in America: The Surgeon General's Report on Alcohol, Drugs, and Health. US Department of Health and Human Services; 2016.

12. Uhl GR, Koob GF, Cable J. The neurobiology of addiction. Ann N Y Acad Sci. 2019;1451(1):5-28.

13. Winters KC, Botzet AM, Fahnhorst T. Advances in adolescent substance abuse treatment. Curr Psychiatry Rep. 2011;13(5):416-421.

14. Schwenker R, Dietrich CE, Hirpa S, et al. Motivational interviewing for substance use reduction. Cochrane Database Syst Rev. 2023;12(12):CD008063..

15. Abbaspour Z, Ghanbari Z. The effectiveness of family-based treatment on craving in girl students with substance abuse. International Journal of High Risk Behaviors and Addiction. 2021;10(1).

16. Nunes EV, Gordon M, Friedmann PD, et al. Relapse to opioid use disorder after inpatient treatment: protective effect of injection naltrexone. J Subst Abuse Treat. 2018;85:49-55.

17. Haghighi M, Alizadeh F, Rezaei T, et al. Environmental and personal factors associated with addiction relapse in referral patients to Marand Treatment Centers. Journal of Community Health Research. 2018;7(2):63-73.

18. Schindler A. Attachment and substance use disorders-theoretical models, empirical evidence, and implications for treatment. Front Psychiatry. 2019;10:727.

19. Steele H, Steele M. Handbook of Attachment-Based Interventions. Guilford Publications; 2019.

20. Flores P. Addiction as an Attachment Disorder. Jason Aronson. Inc, Lanham; 2004.

21. Hill K. Literature review: attachment-based therapy as an active and preventative treatment modality against alcohol use disorder (AUD) for adult-child caregivers of Alzheimer’s and dementia patients. Psychology. 2024;15(6):974-983.

22. Juffer F, Bakermans-Kranenburg MJ, Van Ijzendoorn MH. Promoting Positive Parenting: An Attachment-Based Intervention. Taylor & Francis; 2023.

23. Sandelowski M, Barroso J. Handbook for Synthesizing Qualitative Research. Springer; 2007.

24. CASP Checklist: CASP Qualitative Studies Checklist. CASP. Accessed May 15, 2026. https://casp-uk.net/casp-tools-checklists/qualitative-studies-checklist/

25. Mikulincer M, Shaver PR. Attachment in Adulthood: Structure, Dynamics, and Change. Guilford Publications; 2010.

26. Ayati S, Amir Ahmadi R, Ismaeili A. Studying the lived experience of young people with substance use disorder in the city of Bojnourd to achieve an explanatory model. Research on Addiction. 2022;16(65):333-354.

27. Karaki A, Sheidaeian Z, Darabi S. The mediatory approach to preventing adolescent drug use and related crimes from the perspective of experts and therapists in addiction treatment centers: a case study of Bahar county. Journal of Criminal Law and Criminology. 2025;12(24):315-348.

28. Hardman SE. Impact of parental substance misuse on attachment in young adults: a qualitative approach. James Madison University. 2022. Accessed May 14, 2026. https://commons.lib.jmu.edu/cgi/viewcontent.cgi?article=1089&context=diss202029

29. Blakemore SJ. Adolescence and mental health. Lancet. 2019;393(10185):2030-2031.

30. Erikson EH. Identity youth and crisis. WW Norton & Company; 1968.

31. Strathearn L, Mertens C, Mayes L, et al. Pathways relating the neurobiology of attachment to drug addiction. Front Psych. 2019;10:737.

32. Schimmenti A, Caretti V. Linking the overwhelming with the unbearable: developmental trauma, dissociation, and the disconnected self. Psychoanalytic Psychology. 2016;33(1):106-128.

33. Waller G, Turner H. Therapist drift redux: why well-meaning clinicians fail to deliver evidence-based therapy, and how to get back on track. Behav Res Ther. 2016;77:129-137.

34. Hogue A, Liddle HA. Family-based treatment for adolescent substance abuse: controlled trials and new horizons in services research. J Fam Ther. 2009;31(2):126-154.

35. Bateman A, Fonagy P. Mentalization-Based Treatment for Personality Disorders: A Practical Guide. Oxford University Press; 2016.

36. Dimic T, Farrell A, Ahern E, Houghton S. Young people's experience of the therapeutic alliance: a systematic review. Clin Psychol Psychother. 2023;30(6):1482-1511.

37. Sulaman I, Hartley S, Elvins R. Therapeutic alliance in the treatment of adolescent substance misuse: a systematic review. Child Adolesc Ment Health. 2024;29(3):226-241.

38. Pearson JL, Cohn DA, Cowan PA, Cowan CP. Earned-and continuous-security in adult attachment: relation to depressive symptomatology and parenting style. Development and Psychopathology. 1994;6(2):359-373.

39. Bianco MC. At-risk youth and attachment-based therapy: implications for clinical practice. Canadian Journal of Counselling and Psychotherapy. 2017;51(1).

40. Shahbazi J, Khodabakhshi-Koolaee A, Davoodi H, Heidari H. The comparison of the effectivenss of two patterns of self-compassion pattern focused on mindfulness and attachment-based therapy on feeling shame in male adolescents with addiction readiness. Iranian Journal of Pediatric Nursing. 2020;7(1):12-22.