RCT of an Internet Cessation Program Plus Online Social Network for HIV+ Smokers

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

512 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-07-06

Study Completion Date

2020-09-14

Brief Summary

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This trial will compare the efficacy of Positively Smoke Free on the Web+ (a smoking cessation program + social network for HIV-infected smokers) to the American Heart Association Getting Healthy website in promoting abstinence in a group of HIV-infected smokers. All participants will be offered a three-month supply of nicotine patches.

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Detailed Description

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There are 1.1 million persons living with HIV (PLWH) in the US: 60% smoke cigarettes and 75% are interested in quitting. Two-thirds of PLWH use the Internet, making this a promising avenue to deliver smoking cessation treatment. Almost none are currently accessing smoking cessation interventions designed to meet their specific needs and concerns. Cigarette smoking is responsible for 24%--61% of deaths among PLWH, and 30% of non-AIDS defining malignancies. It is driving the alarming rise in lung cancers in this highly vulnerable population. The lack of access to proven, effective, culturally appropriate tobacco cessation services represents a health disparity of the first order.

Cessation websites offer smokers convenience, low (or no) cost, and anonymity; however, there are no publicly available web-based cessation programs specifically designed for PLWH smokers. Smokers living with HIV have high rates of nicotine dependence, anxiety, depression, loneliness, and substance use. The investigators developed Positively Smoke Free on the Web (PSFW), a theory-driven, culturally tailored web-based program designed to address the specific needs of PLWH smokers. The investigators' NCI-funded R21 pilot of PSFW demonstrated moderate-high levels of adherence and yielded higher 3-month abstinence rates compared to standard care (10% vs. 4%). The investigators' prior research on web-based cessation interventions has shown that smokers who participate in an online community - whether passively reading posts by others or actively engaging in online discussions - are more than twice as likely to achieve abstinence even after controlling for a broad range of covariates. In preparation for the proposed study, the investigators' partners at Truth Initiative (formerly known as the American Legacy Foundation) have enhanced and modernized PSFW by integrating an online community platform (now "PSFW+"), developing a training protocol for PLWH smoker seed users (to provide a critical mass of social network participants), and recruiting and training 11 PLWH smokers for this role. The prototype PSFW+ application has been successfully alpha- and beta-tested in anticipation of the randomized controlled trial.

The investigators propose a study that will compare the efficacy of the PSFW+ smoking cessation website to an attention-matched website promoting cardiovascular health in a randomized controlled trial with repeated measures at baseline, 1, 3, and 6 months. Participants will be N=550 PLWH smokers interested in quitting in the next 30 days. All participants will be offered nicotine replacement therapy. It is hypothesized that PSFW+ will outperform the control condition on the primary outcome of 7-day point prevalence abstinence at 6 months post-randomization. Secondary aims and exploratory analyses will examine theory-driven hypotheses about the mediators and moderators of treatment outcome (e.g., depression, anxiety, social support, loneliness, self-efficacy). Establishing the effectiveness of a web-based smoking cessation program for PLWH that has broad reach and could be scaled to reach PLWH smokers throughout the US would not only represent an enormous advance in the fight against tobacco use in PLWH, but would also provide a clearer understanding of the role of targeted, web-based health interventions in comprehensive HIV care.

Conditions

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Tobacco Use Disorder HIV

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Positively Smoke Free on the Web (PSFW+)

Participants were assigned to the multimodal PSFW+ interactive web-based behavioral intervention hosted within an online social network.

PSFW+: PSFW+ is an intensive eight session motivational/educational web-program, based on social cognitive theory, designed to promote cessation among HIV-infected smokers. It included a professionally administered social network/online support community.

Nicotine polacrilex: All participants were offered a 3-month supply of nicotine patches

Group Type EXPERIMENTAL

PSFW+

Intervention Type BEHAVIORAL

PSFW+ is an eight session motivational/educational web-program promoting cessation for HIV-infected smokers. It includes a professionally administered social network/online support community.

Nicotine polacrilex

Intervention Type DRUG

All participants, in both study arms, will be offered a 3-month supply of nicotine patches

American Heart Association Getting Healthy (AHA)

Participants were assigned to the AHA Getting Healthy web-based control intervention program (the AHA later changed in name from "Getting Healthy" to "My Life's Check, Life's Simple 7"

AHA: The AHA Getting Healthy website is an attention-matched, health-promoting, seven-module website developed by the American Heart Association to encourage healthy behaviors in the general population

Nicotine polacrilex: All participants were offered a 3-month supply of nicotine patches

Group Type PLACEBO_COMPARATOR

AHA

Intervention Type BEHAVIORAL

The AHA Getting Healthy website is a health-promoting, seven-module website developed by the American Heart Association to encourage healthy behaviors in the general population

Nicotine polacrilex

Intervention Type DRUG

All participants, in both study arms, will be offered a 3-month supply of nicotine patches

Interventions

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PSFW+

PSFW+ is an eight session motivational/educational web-program promoting cessation for HIV-infected smokers. It includes a professionally administered social network/online support community.

Intervention Type BEHAVIORAL

AHA

The AHA Getting Healthy website is a health-promoting, seven-module website developed by the American Heart Association to encourage healthy behaviors in the general population

Intervention Type BEHAVIORAL

Nicotine polacrilex

All participants, in both study arms, will be offered a 3-month supply of nicotine patches

Intervention Type DRUG

Other Intervention Names

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AHA Nicotine patch

Eligibility Criteria

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Inclusion Criteria

1. age 18 or older
2. current smoking as defined by a validated tobacco use measure
3. laboratory confirmed HIV-infection; 3) residence in commuting distance to the Bronx, NY or Baltimore, MD
4. English language fluency
5. motivation to quit within the next 30 days
6. at least weekly Internet and email access
7. REALM literacy score of 19/66 or above, indicating reading level of at least 4-6 grade (PSFW content was written for this literacy level)
8. willingness to provide informed consent and undergo randomization.

Exclusion Criteria

1. previous participation in any trial of Positively Smoke Free interventions or use of PSFW+
2. pregnancy
3. contraindication to nicotine replacement therapy
4. current participation in an active smoking cessation treatment (e.g., group therapy, use of pharmacotherapy)
5. PSFW+ seed users will be excluded
6. To avoid study condition contamination and to maintain the statistical independence of subject outcomes, otherwise eligible individuals who are spouses, partners, and/or roommates of study participants will be excluded.

All ineligible patients will receive a Positively Smoke Free smoking cessation brochure and will be encouraged to access nationally-available (free) quitline counseling.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No