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SIPP (Safe Inhalation Pipe Provision): A study on providing safe inhalation pipes to people who use crack cocaine in England to reduce health risks and encourage their participation in services

Safe inhalation Pipe Provision (SIPP): A mixed method evaluation of an intervention to reduce health harms and enhance service engagement among people who use crack cocaine in England

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ISRCTN
Registry ID
ISRCTN12541454
Enrollment
1468
Registered
2023-03-15
Start date
2023-03-27
Completion date
Unknown
Last updated
2026-06-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Drug use Mental and Behavioural Disorders

Interventions

This research study will evaluate a safe crack inhalation intervention distributed to people who use crack via drug treatments services and peer networks in order to reduce crack-related health harms
steel gauze filters/meshes
plastic mouth pieces and harm reduction information. 2. Provider training: an online crack harm reduction training module delivered to service providers prior to SIPP kit distribution. 3. Peer-to-pe
reduced injecting
acute injuries (cuts, burns)
use of homemade pipes
use of ash, respiratory risk markers (difficulty breathing, chest pain, coughing blood). The intervention will be evaluated through a mixed-methods process evaluation which includes quantitative and q

Sponsors

London School of Hygiene & Tropical Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1. People who use crack: self-reported crack cocaine inhalation or injection within the past 28 days 2. Aged >18 years 3. Capacity to consent

Exclusion criteria

Exclusion criteria: 1. In secure services 2. Significant mental health problems

Design outcomes

Primary

MeasureTime frame
Number of participants self-reporting sharing of crack pipes in the past 28 days measured using questionnaire at baseline, then 6 months.

Secondary

MeasureTime frame
Measured using questionnaire at baseline, then 6 months: 1. Number of new attendances at drug treatment service sites to obtain SIPP 2. Number of times injected in the last 28 days 3. Reporting of current acute injuries defined as cuts/burns to mouth or lips verified by interviewer observer 4. Number of participants who use homemade pipes in the last 28 days 5. Number of participants using ash as a crack suspension device 6. Number participants reporting respiratory risk markers defined as difficulty breathing, chest pain, coughing blood in the last 28 days

Countries

England, United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Jun 11, 2026