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| Name | Class |
|---|---|
| International AIDS Society | OTHER |
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This study evaluates the pre-implementation phase of a host-led harm reduction model for men who have sex with men (MSM) engaging in chemsex in Bangkok, Thailand, focusing on understanding harms, contexts, and needs to develop a tailored intervention.
HAMMOCK is a cross-sectional mixed-methods study designed to explore chemsex practices among MSM, including both hosts and guests, as well as key stakeholders such as CSOs, hospital staff, and police.
The study aims to:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Single Arm - Mixed-method Harm Reduction Model Development | Participants (chemsex party hosts, guests, CSO staff, hospital staff, and police officers) will participate in a mixed-method study consisting of two phases (Exploration and Preparation) to assess harms related to chemsex and to develop and refine a novel harm reduction model for private chemsex party settings. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Self-administered questionnaire assessment | Behavioral | Participants (chemsex party hosts and guests) will complete structured self-administered questionnaires to assess:
|
| Measure | Description | Time Frame |
|---|---|---|
| Substance use-related harm assessed by self-administered questionnaire | Substance-related harms will be assessed using a structured self-administered questionnaire. The assessment includes:
| Baseline (during Exploration phase, prior to model development) |
| Sexual health risk behaviors assessed by self-administered questionnaire | Sexual health risks will be assessed using a structured questionnaire including:
| Baseline (during Exploration phase, prior to model development) |
| Depression severity assessed by Patient Health Questionnaire-9 (PHQ-9) | Depression will be assessed using the Patient Health Questionnaire-9 (PHQ-9):
| Baseline (during Exploration phase, prior to model development) |
| Anxiety severity assessed by Generalized Anxiety Disorder-7 (GAD-7) | Anxiety will be measured using the Generalized Anxiety Disorder-7 (GAD-7):
| Baseline (during Exploration phase, prior to model development) |
| Measure | Description | Time Frame |
|---|---|---|
| Perceived stigma and socio-legal harm assessed by structured questionnaire | Socio-legal harms will be assessed using a structured questionnaire adapted from the CLYMAX study, including:
| Baseline (during Exploration phase, prior to model development) |
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Inclusion Criteria:
MSM aged ≥18 years
Able to communicate in Thai
Specific by group:
Provide informed consent
Exclusion Criteria:
• Unable to provide informed consent (e.g., under substance influence at consent)
non-diseased participants allowed, based on behavior
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Recruit chemsex party hosts, chemsex party guests, representatives from the CSOs, government hospital, police organization G1: Chemsex party hosts 1. Have ever hosted a chemsex party at least 2 times in the past 6 months.
G2: Chemsex party guests
1. Have ever attended a chemsex party at least 2 times in the past 6 months.
G3: CSOs 1. Currently working in a CSO 3. Hold a role or perform a duty related to chemsex-related incidents or drug use for more than 3 months.
G4: Government hospitals
G5: Police officers
1. Currently working in a police organization. 3. Hold a role or perform the duty related to chemsex-related incidents or drug use for more than 3 months.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Nittaya Phanuphak, MD,PhD. | Contact | 6681 825 3544 | nittaya.p@ihri.org | |
| Jakkrapatara Boonruang, MD | Contact | 6689 965 7862 | jakkrapatara.b@ihri.org |
| Name | Affiliation | Role |
|---|---|---|
| Jakkrapatara Boonruang, MD | Institute of HIV Research and Innovation (IHRI) | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Tangerine Clinic, Institute of HIV Research and Innovation | Recruiting | Pathum Wan | Bangkok | 10330 | Thailand |
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| Semi-structured in-depth interviews (IDIs) | Behavioral | All stakeholders will participate in semi-structured in-depth interviews:
The interviews aim to:
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|
| Development and refinement of harm reduction model | Behavioral | A novel four-pronged harm reduction model will be developed and refined based on quantitative and qualitative findings. Domains include:
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|
| ID | Term |
|---|---|
| D019966 | Substance-Related Disorders |
| D000092862 | Psychological Well-Being |
| D012749 | Sexually Transmitted Diseases |
| D000099004 | Chemsex |
| D040261 | Harm Reduction |
| ID | Term |
|---|---|
| D064419 | Chemically-Induced Disorders |
| D001523 | Mental Disorders |
| D010549 | Personal Satisfaction |
| D001519 | Behavior |
| D003141 | Communicable Diseases |
| D007239 | Infections |
| D000091662 | Genital Diseases |
| D000091642 | Urogenital Diseases |
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D012725 | Sexual Behavior |
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| ID | Term |
|---|---|
| D048788 | Growth and Development |
| ID | Term |
|---|---|
| D010829 | Physiological Phenomena |
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