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PharmacokineticsPhase 1NCT03012763

Oral Pharmacokinetics of Sulfasalazine, Paracetamol, Fexofenadine and Valsartan Using Different Administration Mediums

A Phase 1 study testing Paracetamol, Sulfasalazine and Fexofenadine in people with Pharmacokinetics and Magnetic Resonance Imaging, run by University Medicine Greifswald.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to determine pharmacokinetics of the probe-drugs sulfasalazine, given in 240 ml non-caloric water and paracetamol, fexofenadine and valsartan after oral administration, given in 240 ml non-caloric water, in 240 ml caloric drink or in 240 ml grapefruit juice prior to ingestion and to… Read more about this study

Who is it for?
Ages 18 to 45 yearsHealthy volunteers can take part
What is being tested?
Paracetamol, Sulfasalazine and Fexofenadine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
9 participants
Where
No sites listed yet
Study dates
Apr 2016to Jan 2017
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 45 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • ethnic origin: Caucasian
  • body mass index: ≥ 18.5 kg/m² and ≤ 30 kg/m²
  • good health as evidenced by the results of the clinical examination, ECG, and the laboratory check-up, which are judged by the clinical investigator not to differ in a clinical relevant way from the normal state
  • written informed consent

Who cannot join

  • weight less than 45 kg
  • claustrophobia
  • tinnitus
  • cardiac pacemakers, metallic, plastic or silicone implants, dental retainer or metal-containing tattoos and piercings, Permanent Make-Ups, intrauterine devices
  • known allergic reactions/ hypersensitivity to the active ingredients used or to constituents of the study medication (e.g. lactose, lecithin, sulfonamides, salicylates)
  • bronchial asthma (all stages) and other known allergic diseases
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  • existing cardiac, haematopoietic or hematological diseases and/or pathological findings, which might interfere with the drug's safety, tolerability and/or pharmacokinetics or the requirements for the magnetic resonance tomography
  • known hyperkalemia, hyponatremia or hypovolemia or medications that may cause these conditions.
  • Hepatic, renal or metabolic diseases and/or pathological findings, which might interfere with pharmacokinetics and pharmacodynamics of the study medication (e.g. liver failure, kidney failure, acute intermittent porphyria).
  • gastrointestinal diseases and/or pathological findings, which might interfere with gastrointestinal motility and emptying processes and interfering with pharmacokinetics and pharmacodynamics of the study medication (e.g. ileus)
  • Erythema exsudativum multiforme.
  • Glucose-6-phosphate dehydrogenase deficiency (G6PD deficiency).
  • Acute, chronic or recurrent infections.
  • drug or alcohol dependence
  • positive drug or alcohol screening
  • smokers of 10 or more cigarettes per day
  • positive results in HIV, hepatitis B virus and hepatitis C virus screenings
  • subjects who are on a diet which could affect gastrointestinal motility or the pharmacokinetics of the drug (vegetarian, vegan)
  • eating disorders e.g. anorexia, bulimia
  • heavy tea or coffee drinkers (more than 1l per day)
  • lactation and/or pregnancy test positive or not performed
  • subjects suspected or known not to follow instructions
  • subjects who are unable to understand the written and verbal instructions, in particular regarding the risks and inconveniences they will be exposed to as a result of their participation in the study
  • subjects liable to orthostatic dysregulation, fainting or blackouts
  • participation in a clinical trial during the last 3 months prior to the planned start of the study less than 3 months after last blood donation
  • therapy with transdermal patches
  • any systemically available medication within 2 weeks prior to the intended first administration unless because of the terminal elimination half-life complete elimination from the body can be assumed for the drug and/or its primary metabolites (except oral contraceptives)
  • intake of grapefruit or poppy seeds containing products within 14 days prior to the start of the study
  • Females who don't fulfil the criteria for contraception as listed in section 7.5.1 of this protocol

About this study

Official title: Pharmacokinetics of Sulfasalazine, Paracetamol, Fexofenadine and Valsartan After Oral Administration Using 240 ml Non-caloric Water, a Carbohydrate Enriched Drink and Grapefruit Juice in Correlation to the Intestinal Availability of Water as Quantified by MRI-based Volumetry in 9 Healthy Male and Female Subjects

The purpose of this study is to determine pharmacokinetics of the probe-drugs sulfasalazine, given in 240 ml non-caloric water and paracetamol, fexofenadine and valsartan after oral administration, given in 240 ml non-caloric water, in 240 ml caloric drink or in 240 ml grapefruit juice prior to ingestion and to visualize the localization and to measure the filling volume of stomach, small intestine as well as ascending, transverse and descending colon by T2-weighted magnetic resonance imaging after oral administration of 240 ml water (non-caloric water), after administration of 240 ml caloric drink and after administration of 240 ml grapefruit juice.

Being tested
Paracetamol, Sulfasalazine, Fexofenadine, Valsartan, non-caloric water

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • ParacetamolDrug

    Oral administration of 250 mg paracetamol

  • SulfasalazineDrug

    Oral administration of 50 mg sulfasalazine

  • FexofenadineDrug

    Oral administration of 120 mg fexofenadine

  • ValsartanDrug

    Oral administration of 40 mg valsartan

  • non-caloric waterDevice

    Oral administration of 240 ml non-caloric water

  • caloric drinkDevice

    Oral administration of 240 ml caloric drink

  • grapefruit juiceDevice

    Oral administration of 240 ml grapefruit juice

Study groups in NCT03012763
Study groupRoleWhat they receive
non-caloric waterPlacebo comparator50 mg sulfasalazine given in 240 ml table water after 6 h fasting and 250 mg paracetamol, 120 mg fexofenadine and 40 mg valsartan given in 240 ml non-caloric water 3 h thereafter
Receives: Drug: Paracetamol; Drug: Sulfasalazine; Drug: Fexofenadine; Drug: Valsartan; Device: non-caloric water
caloric drinkActive comparator50 mg sulfasalazine given in 240 ml table water after 6 h fasting and 250 mg paracetamol, 120 mg fexofenadine and 40 mg valsartan given in 240 ml caloric drink 3 h thereafter
Receives: Drug: Paracetamol; Drug: Sulfasalazine; Drug: Fexofenadine; Drug: Valsartan; Device: caloric drink
grapefruit juiceActive comparator50 mg sulfasalazine given in 240 ml table water after 6 h fasting and 250 mg paracetamol, 120 mg fexofenadine and 40 mg valsartan given in 240 ml grapefruit juice 3 h thereafter
Receives: Drug: Paracetamol; Drug: Sulfasalazine; Drug: Fexofenadine; Drug: Valsartan; Device: grapefruit juice

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. area under the concentration time curve (AUC)

    Computed with the measured concentration of Paracetamol, Fexofenadine and Valsartan in blood samples.

    Measured: up to 51 h after drug administration

  2. area under the curve of small bowel water volume

    Dynamic enhanced magnetic resonance examination gradient-echo T2-weighted HASTE images (TR 1300 ms, TR 321 ms, flip-angle 160°) will be acquired on a 1.5 Tesla MRI. A tube filled with 20 ml water will be fitted on the abdomen of the volunteers in order to have an internal reference for imaging. The obtained MRI files will be investigated with common radiological software (OsiriX, Voxar 3D, Fiji, 3D slicer). From the DICOM files there will obtained: Gastrointestinal volumes and their kinetics for stomach, small bowel, colon segments and gallbladder.

    Measured: up to 6.75 h after drug administration

  3. gastric emptying rate

    Dynamic enhanced magnetic resonance examination gradient-echo T2-weighted HASTE images (TR 1300 ms, TR 321 ms, flip-angle 160°) will be acquired on a 1.5 Tesla MRI. A tube filled with 20 ml water will be fitted on the abdomen of the volunteers in order to have an internal reference for imaging. The obtained MRI files will be investigated with common radiological software (OsiriX, Voxar 3D, Fiji, 3D slicer). From the DICOM files there will obtained: Gastrointestinal volumes and their kinetics for stomach, small bowel, colon segments and gallbladder. Gastric emptying rate will be estimated as the half life of water volumen in the stomach.

    Measured: up to 6.75 h after drug administration

  4. lag-Time of sulfapyridine (orocecal transit times)

    Estimated as the first significant concentration (>50 or 100 ng/ml) of sulfapyridine in blood samples after administration of Sulfasalazine.

    Measured: up to 51 h after drug administration

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 Jan 2017 (estimated)
  2. Study startApr 2016
  3. Primary completionJan 2017

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Basic science
Allocation
Randomised
Intervention model
Crossover
Masking
None (open label)
Enrolment
9 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03012763
Sponsor's protocol ID
GIT-Physiol_2016
Status last verified
Jan 2017
First submitted
5 Jan 2017
Last updated
6 Jan 2017
Results posted
No
Data monitoring committee
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Paracetamol, Sulfasalazine and Fexofenadine in people with Pharmacokinetics and Magnetic Resonance Imaging, run by University Medicine Greifswald.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 29 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 6 Jan 2017. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

area under the concentration time curve (AUC) (time frame: up to 51 h after drug administration). The study lists 4 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Jan 2017.

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