New pain pill SBS-147 enters first human safety trial
NCT ID NCT07335913
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage study tests the safety of an experimental pain drug called SBS-147 in 80 healthy adults. Some participants get the drug, others a placebo. The study has two parts: a single dose group and a group that takes the drug daily for a week. Researchers will monitor side effects and how the body processes the drug. This is a first step to see if SBS-147 is safe enough for future pain studies.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- SBS-147 (experimental drug)
- What this could lead to
- If safe and well-tolerated, this could lead to further studies testing SBS-147 as a new treatment for acute pain.
- What could go wrong
- This is a very early Phase 1 trial in healthy people, not patients with pain. It only checks safety and how the drug is processed, not whether it actually relieves pain. Side effects are possible.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2026
- Expected to finish
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Feb 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 55 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Provision of signed and dated informed consent form (ICF) 2. Healthy adult male or female, aged 18 to 55 years, inclusive, at Screening 3. Body mass index (BMI) within 18.0 kg/m2 to 32.0 kg/m2 inclusively 4. Minimum body weight of at least 50.0 kg at Screening 5. Stated willingness to comply with all study procedures and availability for the duration of the study 6. Females of childbearing potential 7. Healthy, as determined by protocol requirements 8. Non- or ex-smoker for at least 90 days prior to Screening 9. Participant is able and willing to comply with all study protocol procedures and requirements Exclusion Criteria: 1. Female who is lactating at Screening 2. Female who is pregnant 3. History of significant hypersensitivity reactions (like angioedema) to any drugs 4. Presence or history of significant surgery that may affect drug bioavailability 5. History of significant CV, pulmonary, hematologic, neurologic, psychiatric, endocrine, infectious, or immunologic disease 6. Meet Diagnostic and Statistical Manual of Mental Disorders 5 (DSM-5) criteria for lifetime or current substance use disorder for any psychoactive substances other than nicotine or caffeine 7. Showing suicidal tendency as per the C-SSRS administered at screening and clinic admission 8. Any clinically significant illness in the 28 days prior to the first study drug administration 9. Use of any prescription drugs in the 28 days or 5 half-lives, whichever is longer, prior to Screening and until the end of the study, that in the opinion of an Investigator would put into question the status of the participant as healthy 10. Use of opioids, hypnotics, and/or sedatives in the last 30 days prior to screening 11. Routine or chronic use of acetaminophen or nonsteroidal anti-inflammatory drugs for more than 7 of the 20 days during the screening period. 12. Use of St. John's Wort in the 28 days prior to Screening 13. Use of any herbal supplements (including Kratom) the 14 days prior to Screening 14. Intake of an Investigational Product (IP) in the 30 days prior to Screening 15. Positive test result for alcohol and/or drugs of abuse at Screening or prior to the first drug administration 16. Positive screening results to HIV Ag/Ab combo, hepatitis B surface antigen or hepatitis C virus Ab tests 17. Any other clinically significant abnormalities in laboratory test results at screening that would, in the opinion of an Investigator and based on clinical judgment, increase the participant's risk of participation, jeopardize complete participation in the study, or compromise interpretation of study data 18. Donation of plasma in the 7 days prior to Screening 19. Donation of 1 unit of blood to American Red Cross or equivalent organization or donation of over 500 mL of blood in the 56 days prior to Screening 20. Inclusion in a previous cohort for this clinical study 21. Supine pulse rate less than 45 beats per minute (bpm) or more than 100 bpm at the screening visit 22. Supine systolic blood pressure \< 90 or \> 140 mmHg or diastolic blood pressure \< 40 or \> 90 mmHg at the Screening visit 23. Oxygen saturation (SpO2) below 95% at the Screening visit 24. Presence of out-of-range cardiac interval on the ECG at screening or other clinically significant ECG abnormalities, unless deemed non-significant by an Investigator 25. History of risk factors for Torsades de Pointes, including unexplained syncope, known long QT syndrome, heart failure, myocardial infarction, angina, or clinically significant abnormal laboratory assessments including hypokalaemia, hypercalcaemia, or hypomagnesaemia 26. Family history of long QT syndrome or Brugada syndrome 27. History of fainting 28. Family history of sudden cardiac death or significant heart disease 29. Known presence or history of gastroesophageal reflux or hiatal hernia
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Genom att skicka in godkänner du våra Användarvillkor
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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The study's own enquiry address
This study publishes an address for enquiries. See it below .
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Show contact details
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Genom att skicka in godkänner du våra Användarvillkor
Locations
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AltaSciences, Inc
RECRUITINGCypress, California, 90630, United States
Contact Email: •••••@•••••
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