ClinicalTrials.gg
CompletedNCT03466567Updated Jun 19, 2019

A Trial Investigating the Effect of Probenecid and Ciclosporin on the Concentrations of SNAC in Healthy Subjects

A Phase 1 interventional study of Semaglutide and Probenecid in Diabetes and Diabetes Mellitus, Type 2, sponsored by Novo Nordisk A/S. Completed at 1 site in Germany. Open to participants aged 18 Years to 64 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2019-06-19.

Primary conditionDiabetes Mellitus, Type 2Registry: Diabetes MellitusReclassifiedWhy we changed it
Registry
Diabetes Mellitus — the first condition term the registry derived for this study.
ClinicalTrials.gg
Diabetes Mellitus, Type 2
Why
  1. The study's listed conditions name Diabetes Mellitus, Type 2, a narrower term within Diabetes Mellitus.
Confidence
High: the new condition is named in the study's own listed conditions. Of 351 hand-checked studies reclassified this way, 68% were exactly right and 84% in the right disease family; the registry's first term was right for 5% (measured 2026-10-21). How we classify →
Wrong?
Tell us the study's main condition →

Sponsored by Novo Nordisk A/S · Phase 1, Interventional, and Treatment

From the registry’s dates

  • Primary completion was Jul 2018, 8 years 4 months ago, and no results have been posted to the registry.

Help build ClinicalTrials.gg — short surveys, remote interviews or testing, in your language. Take part →

Phase
Phase 1
Study type
Interventional
Enrollment
21
Allocation
Randomized
Ages
18 Years to 64 Years
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-14

Among 643 studies in Diabetes Mellitus, Type 2 by Novo Nordisk A/S — 25 open to participants now, 29 under way, 11 of them phase 3. Diabetes Mellitus, Type 2 · Novo Nordisk A/S.

Enrollment
397th of 428
21 · median 209
Started
2018
with 19 others
Phase 1
129 of 643
5 open now
Registered
448th of 643
by date

Among the 643 studies in Diabetes Mellitus, Type 2 by Novo Nordisk A/S, this one is the 397th largest by enrollment of the 428 interventional ones that give a count, is one of 20 that started in 2018, is one of 129 in phase 1, and was the 448th registered.

Diabetes Mellitus, Type 2

10,382 studies on the registry are indexed under Diabetes Mellitus, Type 2; 1,411 are open to participants now.

Browse Diabetes Mellitus, Type 2 studies →

Open to participants now

25 of the 643 studies in Diabetes Mellitus, Type 2 by Novo Nordisk A/S are open now, in 12 countries. Recruiting first, the newest first:

20 more — sign in →

By country, each count listing its studies:

All 25 open studies →

Who these studies take

Of the 883 Diabetes Mellitus, Type 2 studies recruiting now, 374 (42%) set no upper age limit and 383 (43%) stop at 75 or younger; 52 take children under 18; 205 take healthy volunteers.

This study: 18 Years to 64 Years · all sexes · healthy volunteers too.

The full table on the hub →

This tab as a report to print or save as PDF → With an account.

Was this useful?
Watch this landscapeDownload CSVNarrow it in search →With an account: a weekly mail of what changed among 643 studies in Diabetes Mellitus, Type 2 by Novo Nordisk A/S, or all of them as a file.
02

Study summary

The aim of the study is to investigate the effect of the medicines, probenecid and ciclosporin on the concentrations of SNAC. SNAC is an ingredient of the semaglutide tablets. Participants will get 3 different treatments (that is 3 treatment periods): 1) a single dose of 3 mg semaglutide, 2) a single dose of 600 mg ciclosporin with 3 mg semaglutide, 3) 500 mg probenecid twice a day for 3 ½ days with a single dose of 3 mg semaglutide on the last day.

The sequence of treatments participants get is decided by chance. Probenecid and ciclosporin are available medicines. They are given by doctors. Semaglutide contains SNAC. It cannot be prescribed yet.

The study will last for up to 125 days. Participants will have 17 to 18 visits at the study centre. This includes short visits at the centre for blood sampling only. Participants will have several blood draws.

03

Conditions studied

  • Diabetes
  • Diabetes Mellitus, Type 2

Browse trials for

04

In context

Diabetes Mellitus, Type 2 Reclassified

10,382 studies on the registry are indexed under Diabetes Mellitus, Type 2; 1,411 are open to participants now.

This study's enrollment of 21 is below the median of 80 across 8,359 interventional studies indexed under Diabetes Mellitus, Type 2.

Browse Diabetes Mellitus, Type 2 studies →

Lead sponsor

Novo Nordisk A/S is the lead sponsor of 1,408 studies on the registry; 105 are open to participants now.

Of its 205 completed or terminated interventional studies of FDA-regulated products, 100 (49%) have results posted.

Compared within Diabetes Mellitus, Type 2, this study's primary condition as ClinicalTrials.gg classifies it; the registry's first condition term is Diabetes Mellitus. The counts are of registry records indexed under each term, refreshed daily. How we classify →

05

Who can participate

Ages eligible
18 Years to 64 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Male or female of non-, aged 18-64 years (both inclusive) at the time of signing .
  • between 18.5 and 29.9 kg/sqm (both inclusive).
  • Body weight greater than or equal to 50.0 kg.
  • Considered to be generally healthy based on the medical history, physical examination, and the results of vital signs, and clinical laboratory tests performed during the screening visit, as judged by the investigator.

Exclusion criteria

Exclusion Criteria:

  • Use of tobacco and nicotine products, defined as: A. Smoking more than 1 cigarette or the equivalent per day B. Not able or willing to refrain from smoking and use of nicotine substitute products during the in-house period(s).
  • Presence of gastrointestinal disorders or symptoms of gastrointestinal disorders potentially affecting absorption of drugs or nutrients, as judged by the investigator.
  • History (as declared by the subject) of major surgical procedures involving the stomach potentially affecting absorption of trial products (e.g. subtotal and total gastrectomy, sleeve gastrectomy, gastric bypass surgery).
  • Known glucose-6-phosphate-dehydrogenase deficiency (as declared by the subject).
Terms in these criteria, in plain language(5)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Childbearing potential

Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).

Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

BMI (body mass index)

Weight in kilograms divided by height in metres squared. Example: 70 kg and 1.75 m gives 70 ÷ (1.75 × 1.75) ≈ 22.9.

What counts as overweight or obesity differs between countries (some use lower cut-offs), so go by the range the study states.

ECG (electrocardiogram)

A recording of the heart’s electrical activity, taken with stickers on the chest, arms and legs. It takes a few minutes and does not hurt.

Clinically significant

Judged by the study doctor to matter for your health or for the study. It is a doctor’s decision, so ask the study team if you are unsure whether something counts.

06

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Crossover assignment
Masking
None (open label)
Enrollment
21 participants (actual)

Study arms

  • Experimental
    Oral semaglutide, ciclosporin, probenecid

    Participants will receive oral semaglutide in treatment period 1, ciclosporin in treatment period 2, and probenecid in treatment period 3.

    Drug: Semaglutide · Drug: Probenecid · Drug: Ciclosporin

  • Experimental
    Probenecid, oral semaglutide, ciclosporin

    Participants will receive probenecid in treatment period 1, oral semaglutide in treatment period 2, and ciclosporin in treatment period 3.

    Drug: Semaglutide · Drug: Probenecid · Drug: Ciclosporin

  • Experimental
    Ciclosporin, probenecid, oral semaglutide

    Participants will receive ciclosporin in treatment period 1, probenecid in treatment period 2, and oral semaglutide in treatment period 3.

    Drug: Semaglutide · Drug: Probenecid · Drug: Ciclosporin

Interventions

  • A single dose of 3 mg semaglutide tablet alone will be administered orally. Trial product administration will take place in the morning after overnight fasting for at least 6 hours.

  • A dose of 500 mg probenecid (2 tablets of 250 mg) will be administered orally twice daily for 3½ days (7 trial product administrations in total). On the 4th day, the last probenecid administration will take place 2 hours prior to administration of a single dose of 3 mg oral semaglutide tablet. The last trial product administrations will take place in the morning after overnight fasting for at least 6 hours.

  • A single dose of 600 mg ciclosporin (6 capsules of 100 mg) will be administered orally 1 hour prior to administration of a single dose of 3 mg oral semaglutide tablet. Trial product administration will take place in the morning after overnight fasting for at least 6 hours.

07

What researchers measure

Primary outcomes

  1. AUC0-tz,SNAC,SD, area under the SNAC plasma concentration-time curve from time 0 to time of the last quantifiable concentration after a single dose of oral semaglutide

    Calculated based on plasma SNAC activity measured in blood.

    Time frame: 0-48 hours

  2. Cmax,SNAC,SD, maximum observed SNAC plasma concentration on the concentration-time curve after a single dose of oral semaglutide

    Calculated based on plasma SNAC activity measured in blood.

    Time frame: 0-48 hours

Secondary outcomes

  1. AUC0-tz,E494,SD, area under the SNAC metabolite E494 plasma concentration-time curve from time 0 to time of the last quantifiable concentration after a single dose of oral semaglutide

    Calculated based on plasma SNAC metabolite E494 activity measured in blood.

    Time frame: 0-48 hours

  2. Cmax,E494,SD, maximum observed SNAC metabolite E494 plasma concentration on the concentration-time curve after a single dose of oral semaglutide

    Calculated based on plasma SNAC metabolite E494 activity measured in blood.

    Time frame: 0-48 hours

  3. AUC0-tz,E506,SD, area under the SNAC metabolite E506 plasma concentration-time curve from time 0 to time of the last quantifiable concentration after a single dose of oral semaglutide

    Calculated based on plasma SNAC metabolite E506 activity measured in blood.

    Time frame: 0-48 hours

  4. Cmax,E506,SD, maximum observed SNAC metabolite E506 plasma concentration on the concentration-time curve after a single dose of oral semaglutide

    Calculated based on plasma SNAC metabolite E506 activity measured in blood.

    Time frame: 0-48 hours

  5. AUC0-∞,E1245,SD, area under the SNAC metabolite E1245 plasma concentration-time curve from time 0 to infinity after a single dose of oral semaglutide

    Calculated based on plasma SNAC metabolite E1245 activity measured in blood.

    Time frame: 0-48 hours

  6. Cmax,E1245,SD, maximum observed SNAC metabolite E1245 plasma concentration on the concentration-time curve after a single dose of oral semaglutide

    Calculated based on plasma SNAC metabolite E1245 activity measured in blood.

    Time frame: 0-48 hours

  7. AUC0-∞,E1246,SD, area under the SNAC metabolite E1246 plasma concentration-time curve from time 0 to infinity after a single dose of oral semaglutide

    Calculated based on plasma SNAC metabolite E1246 activity measured in blood.

    Time frame: 0-48 hours

  8. Cmax,E1246,SD, maximum observed SNAC metabolite E1246 plasma concentration on the concentration-time curve after a single dose of oral semaglutide

    Calculated based on plasma SNAC metabolite E1246 activity measured in blood.

    Time frame: 0-48 hours

  9. AUC0-∞,E1247,SD, area under the SNAC metabolite E1247 plasma concentration-time curve from time 0 to infinity after a single dose of oral semaglutide

    Calculated based on plasma SNAC metabolite E1247 activity measured in blood.

    Time frame: 0-48 hours

  10. Cmax,E1247,SD, maximum observed SNAC metabolite E1247 plasma concentration on the concentration-time curve after a single dose of oral semaglutide

    Calculated based on plasma SNAC metabolite E1247 activity measured in blood.

    Time frame: 0-48 hours

08

Study locations

1 site
  • Novo Nordisk Investigational Site
    Berlin, 14050, Germany
09

References and documents

Individual participant data

Plan to share: Yes — According to the Novo Nordisk disclosure commitment on novonordisk-trials.com.

Data sharing details ↗ · www.novonordisk-trials.com

No publications or documents are linked to this record.

10

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Mar 2018 to primary completion in Jul 2018, 3 months.

Of 453 industry-sponsored phase 1 interventional studies under Diabetes Mellitus, Type 2, half reached primary completion within 5 months of starting (the median), counting those still running; a quarter within 2 and three quarters within 11. This study's 3 months is below that.

Counting every sponsor, half of 515 studies reached it within 6 months; a quarter within 2 and three quarters within 14.

How these figures are worked out, and which studies are left out of them.

Registered
Mar 9, 2018
First posted
Mar 15, 2018
StartActual
Mar 15, 2018
Primary completionActual
Jul 10, 2018
CompletionActual
Jul 10, 2018
Last update
Jun 19, 2019
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Jun 19, 2019, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT03466567
Lead sponsor
Novo Nordisk A/S
Responsible party
Sponsor
First posted
Mar 15, 2018
Start date
Mar 15, 2018
Primary completion
Jul 10, 2018
Completion
Jul 10, 2018
Last update
Jun 19, 2019

Study contacts

Clinical Reporting Anchor and Disclosure (1452)
study director · Novo Nordisk A/S

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jun 2019. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Studies of the drugs tested here: Probenecid · Cyclosporine

Start the discussion