| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 22.9 | ± 5.44 |
| 3 mg Cytisine, Fasted | 30.8 | ± 7.91 |
Last reviewed · How we verify
NCT03268343
A Study in Healthy Volunteers to Investigate the Effect of Food on the Bioavailability of Cytisine
Phase 1 trial testing Cytisine in Smoking Cessation in 24 participants. Completed in 1 September 2017.
26 August 2017
Quick facts
| Lead sponsor | Achieve Life Sciences |
|---|---|
| Phase | Phase 1 |
| Status | Completed |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | crossover |
| Masking | none |
| Primary purpose | treatment |
| Enrollment | 24 |
| Start date | 8 August 2017 |
| Primary completion | 26 August 2017 |
| Estimated completion | 1 September 2017 |
| Sites | 1 location across United Kingdom |
Drugs / interventions tested
- Cytisine (cytisine) — full drug profile →
Conditions studied
- Smoking Cessation — all drugs for Smoking Cessation →
Sponsor
Achieve Life Sciences — full company profile →
Who can join
Adults 18 to 55, any sex, with Smoking Cessation. Patients with the condition only — healthy volunteers not accepted.
Results — posted to ClinicalTrials.gov
Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 170 | ± 30.3 |
| 3 mg Cytisine, Fasted | 176 | ± 33.1 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 2.75 | 0.500 – 6.12 |
| 3 mg Cytisine, Fasted | 0.75 | 0.333 – 3.00 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 163 | ± 29.4 |
| 3 mg Cytisine, Fasted | 169 | ± 33.0 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 4.37 | ± 1.40 |
| 3 mg Cytisine, Fasted | 3.85 | ± 1.46 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 0.154 | ± 0.0391 |
| 3 mg Cytisine, Fasted | 0.156 | ± 0.0314 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 4.77 | ± 1.16 |
| 3 mg Cytisine, Fasted | 4.59 | ± 0.832 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 2.59 | ± 0.407 |
| 3 mg Cytisine, Fasted | 2.47 | ± 0.357 |
To assess the renal elimination of cytisine via measurement of urinary concentrations of cytisine.
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 86.5 | ± 13.6 |
| 3 mg Cytisine, Fasted | 82.4 | ± 11.9 |
An adverse event (AE) is defined as any untoward medical occurrence which does not necessarily have a causal relationship with the treatment. TEAEs are defined as AEs not present prior to first administration of investigational product, or AEs present before first administration of study drug that worsen after the subject receives the first dose of study drug. A serious adverse event (SAE) is defined as an AE that: results in death; is life-threatening; requires hospitalization or prolongs existing inpatient's hospitalization; results in persistent or significant disability or incapacity; resu
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 6 | |
| 3 mg Cytisine, Fasted | 7 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 0 | |
| 3 mg Cytisine, Fasted | 0 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 0 | |
| 3 mg Cytisine, Fasted | 0 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 6 | |
| 3 mg Cytisine, Fasted | 7 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 0 | |
| 3 mg Cytisine, Fasted | 0 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 0 | |
| 3 mg Cytisine, Fasted | 0 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 0 | |
| 3 mg Cytisine, Fasted | 0 |
| Group | Value | 95% CI |
|---|---|---|
| 3 mg Cytisine, Fed | 1 | |
| 3 mg Cytisine, Fasted | 1 |
Adverse events — posted to ClinicalTrials.gov
Time frame: Day -1 to Day 7 plus 6-8 days (post-study follow-up). Reporting threshold: 0%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.
Other adverse events (12 terms — click to expand)
| Reaction | System | 3 mg Cytisine, Fed | 3 mg Cytisine, Fasted | 3 mg Cytisine, Overall |
|---|---|---|---|---|
| Dizziness | Nervous system disorders | — | — | — |
| Vomiting | Gastrointestinal disorders | — | — | — |
| Headache | Nervous system disorders | — | — | — |
| Nausea | Gastrointestinal disorders | — | — | — |
| Abdominal pain lower | Gastrointestinal disorders | — | — | — |
| Feeling hot | General disorders | — | — | — |
| Rhinitis | Infections and infestations | — | — | — |
| Hypoaesthesia | Nervous system disorders | — | — | — |
| Somnolence | Nervous system disorders | — | — | — |
| Cold sweat | Skin and subcutaneous tissue disorders | — | — | — |
| Erythema | Skin and subcutaneous tissue disorders | — | — | — |
| Tooth repair | Surgical and medical procedures | — | — | — |
Data from ClinicalTrials.gov NCT03268343 adverse events section.
Sponsor's own description
This will be an open-label, randomised, 2-period, single-dose crossover study to determine the comparative bioavailability of cytisine following single-dose administration in healthy male and female subjects under fed and fasted conditions. The study will be comprised of a pre-study screen, followed by 2 treatment periods (1 and 2) and a post-study follow-up.
Publications & conference data
No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.
Verify or expand the search:
- PubMed search for NCT03268343
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
Other trials of Cytisine
Trials testing the same drug.
- NCT06832085 — Combination Nicotine Replacement Therapy, Cytisine, or Varenicline for Smoking Cessation · Phase 4 · recruiting
- NCT05102123 — PeRiopEratiVE SmokiNg CessaTion Trial · Phase 3 · active not recruiting
- NCT05729243 — Cytisine for Smoking Cessation · Phase 4 · completed
- NCT05311085 — Cytisine and E-cigarettes With Supportive Text-messaging for Smoking Cessation (Cess@Tion) · Phase 3 · completed
- NCT04286295 — Cytisine Compared to Combination NRT in Relapsed Smokers · NA · terminated
Other recruiting trials for Smoking Cessation
Currently open trials in the same condition.
- NCT07420621 — Preliminary Effectiveness of Enhanced Text Message + Incentives · NA · recruiting
- NCT07224087 — Development of a MHBC Intervention for Weight Loss and Smoking Cessation for Pre-Bariatric Surgery Patients · Phase 1 · recruiting
- NCT07331519 — Integrating Smoking Cessation With Low-dose CT-screening for Lung Cancer · NA · recruiting
- NCT07210567 — Mindfulness-based Ecological Momentary Intervention for Smoking Cessation Among Cancer Survivors · NA · recruiting
- NCT07129590 — Trauma-Informed Care for Smoking Cessation for Pregnancy · NA · recruiting
Other Achieve Life Sciences trials
Trials by the same sponsor.
- NCT07392125 — Phase 3 Trial Evaluating the Efficacy and Safety of Cytisinicline for Vaping Cessation in Adults Using Nicotine-Containi · Phase 3 · not yet recruiting
- NCT06435221 — Safety Study of Cytisinicline in Adult Combustible and/or E-cigarette Smokers · Phase 3 · completed
- NCT05981768 — Study to Evaluate Effect of Food on Bioavailability of Single 3 mg Tablet and Pharmacokinetics (PK) of Multiple 3 mg Dos · Phase 1 · completed
- NCT05631938 — Study to Evaluate the Effect of Renal Impairment and Dialysis Treatment on the Pharmacokinetics of a Single 3 mg Cytisin · Phase 1 · completed
- NCT05566288 — Study to Evaluate Electrocardiographic Effects of Therapeutic & Supratherapeutic Doses of Cytisinicline in Healthy Smoke · Phase 1 · completed
Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT03268343 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Achieve Life Sciences
- Last refreshed: 26 February 2019
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03268343.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing