Efficacy of Nicotine in Preventing COVID-19 Infection

Phase 3

• Conditions: Covid19; SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere
• Interventions: Drug: Nicotine patch; Drug: Placebo patch

• Registration Number: NCT04583410
• Lead Sponsor: Assistance Publique - Hôpitaux de Paris

Brief Summary

The coronavirus disease (COVID-19) epidemic represents a major therapeutic challenge. The highly contagious severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) and the long duration of the disease have led to a massive influx of patients admitted in health services and intensive care units.

According to current knowledge, there are no treatments that prevent the spread of the infection, especially in exposed populations, or the disease progression to a severe form.

Daily active smokers are infrequent among outpatients or hospitalized patients with COVID-19. Several arguments suggest that nicotine is responsible for this protective effect via the nicotinic acetylcholine receptor (nAChR).

Nicotine may inhibit the penetration and spread of the virus and have a prophylactic effect in COVID-19 infection.

However, the epidemic is progressing throughout French territory and new variants (in particular the "English B1. 1.7 variant of SARS-COV-2") much more contagious run a risk of accelerating the epidemic in the population. The anti-SARS-COV-2 vaccines recently launched (or being evaluated) represent great hope in this health crisis, but trials were only able to show their effectiveness on symptomatic forms of SARS-COV-2 infection. On the one hand, the vaccination compaign for the entire population requires many months,which leaves many unprotected subjects waiting. In addition, there is currently no evidence of a protective role of vaccines against asymptomatic forms of COVID-19 and therefore on SARS-COV-2 transmission. Finally, the nicotine patches may protect people in hight-risk areas/periods until they are vaccinated (if they accept it and are eligible for it) and in the post-vaccination weeks necessary for the effectiveness of the vaccine,which reinforces the importance of evaluating this alternative prevention strategy, in the context of the arrival of vaccines

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2020-09-28
• Study First Submitted QC: 2020-10-09
• Study First Posted: 2020-10-12
• Study Start: 2020-10-22
• Status Verified: 2021-02
• Last Update Submitted: 2021-02-15
• Last Update Posted: 2021-02-17
• Primary Completion: 2021-12
• Study Completion: 2022-06

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 1633

Inclusion Criteria

1. Aged 18 or over
2. May be followed for the duration of the study
3. Obtaining free, informed and signed consent
4. Affiliated to a social security scheme or beneficiary of such a scheme (except AME)
5. Non-smoker and non-vaping (for former smokers or vapers: abstinent for at least 12 months)

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Exclusion Criteria

1. Symptoms suggestive of COVID-19 on the day of inclusion or in the past 14 days

2. Documented history of COVID-19 and / or positive SARS-COV2 serology before the day of inclusion

3. Treatment ongoing with nicotine replacement therapy, varenicline or bupropion within 30 days before inclusion

4. Known addiction problem to alcohol (defined by AUDIT-C > or = 10) or other substances.

5. Vaccinated against COVID19 infection.

6. Contraindications for nicotine patches:

   • pregnant woman (negative pregnancy test on inclusion) or breastfeeding woman

   • lack of effective contraception for women of childbearing potential

   • Generalized skin conditions that can interfere with the use of a transdermal patch

   • stroke or myocardial infarction or acute coronary syndrome for less than 3 months

   • allergy to nicotine or to one of the excipients of the transdermal patch

   • Uncontrolled high blood pressure

   • Unstable or worsening angor

   • Severe cardiac arrhythmia (defined by wearing an automatic implantable defibrillator)

   • Obliterating peripheral arterial disease

   • Known severe heart failure

   • Known severe renal or hepatic impairment,

   • Pheochromocytoma

   • Uncontrolled hyperthyroidism

   • Esophagitis due to gastroesophageal reflux disease or active peptic ulcer

     7 Already included in an interventional trial evaluating a health product 8 Staff under guardianship or curatorship or deprived of their liberty by a judicial or administrative decision 9 Do not have a smartphone

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Nicotine patch	Nicotine patch	-
Placebo patch	Placebo patch	-

Primary Outcome Measures

Name	Time	Method
SARS-COV2 seroconversion between W0 and W19 after randomization	Between week 0 and week 19	This is the proportion of subjects with at least one positive serology between W2 and W19. The time of S19 takes into account a seroconversion delay of 5 weeks in relation to the SARS-CoV2 contamination.

Secondary Outcome Measures

Name	Time	Method
Proportion of documented symptomatic COVID-19 infection	Week 8, Week16
SARS-COV2 seroconversion	Week 16	This is the proportion of patients with at least one positive serology between W2 and W16.
Asymptomatic COVID-19 infection proportion at week 14	Week 14	Asymptomatic COVID-19 infection is defined as SARS-CoV2 seroconversion at Week 19 without symptoms suggestive of COVID until the end of Week 16 to take in account of the two weeks of incubation period
Proportion of severe COVID-19 infection	Week 8, Week16	documented infection (positive SARS-CoV2 PCR test and / or suggestive chest CT scan and / or seroconversion) whose first symptoms appeared before W8 and W16 respectively, and requiring hospitalization or home oxygen therapy, or having resulted in death
Number of sick leaves for a COVID-19 infection	Week 16
Number of days off during sick leaves for a COVID-19 infection	Week 16
Proportion of AE, SAE	From inclusion and week 25
Intensity and frequency of nausea, dizziness, feeling of empty head, headache, vomiting	Week 25
Proportion of active smoker or active vapers or taking nicotine substitutes documented by examination	Week 25
Proportion of active smoker or active vapers or taking nicotine substitutes documented by urinary cotinine	Week 25
Mean score of Desire to smoke defined by French Tobacco Craving scale	Week 25
Mean score of Withdrawal symptoms scale	Week 25
Dosage of cotinine in the urine	Week 8 and 25
Mean score of Fatigue Numeric rating scale	Week 2, week 8, week 16
Weight	Week 8, week 16, week 25
Mean score of Hospital anxiety and depression scale	Week 2, week 8, week 16
Mean score of Insomnia severity scale	Week 2, week 8, week 16
Positive and negative syndrome scale	Week 2, week 8, week 16

Trial Locations

Locations (4)

Centre Hospitalier Gonesse; 🇫🇷 Gonesse, France

Hôpital Pitié Salpêtrière - Service de Médecine Interne; 🇫🇷 Paris, France

Hôpital Sainte-Anne; 🇫🇷 Paris, France

Groupe Hospitalier de la Région de Mulhouse Sud Alsace; 🇫🇷 Mulhouse, France