New study investigates the combined effects of marijuana and tobacco
NCT ID NCT05999383
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at what happens when people who regularly use both marijuana and tobacco use them together. Researchers will measure how much THC and nicotine get into the blood and how the body responds. The goal is to better understand the health effects of using both substances at the same time.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Cannabis (marijuana) and nicotine (tobacco)
What this could lead to
If successful, this study could help clarify the health risks of using marijuana and tobacco together, guiding future public health recommendations.
What could go wrong
This is an early-phase study with only 48 participants, so results may not apply to everyone. It focuses on measuring drug levels, not on treating any disease.
Disclaimer
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Zuckerberg San Francisco General Hospital
RECRUITINGSan Francisco, California, 94110, United States
Contact
Contact Email: •••••@•••••