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HypertensionPhase 3NCT00548067

Pharmacokinetic Drug Interaction Study Following Co-administration of Valsartan, Hydrochlorothiazide and Amlodipine in Patients With Hypertension

A Phase 3 study testing Valsartan/hydrochlorothiazide (HCTZ), Valsartan/amlodipine and Amlodipine/hydrochlorothiazide(HCTZ) in people with Hypertension, run by Novartis at 5 sites in India.

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 potential pharmacokinetic drug-drug interaction when three drugs (valsartan, amlodipine, and hydrochlorothiazide) are co-administered. Read more about this study

Who is it for?
Ages 18 to 60 years
Conditions the study is for
Hypertension
What is being tested?
Valsartan/hydrochlorothiazide (HCTZ), Valsartan/amlodipine and Amlodipine/hydrochlorothiazide(HCTZ)
Could I receive a placebo?
No, everyone receives an active treatment
How many people
111 participants
Where
5 sitesIndia
Study dates
Sep 2007to Mar 2008
Phase
Phase 3
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 60 years
  • All sexes
  • No healthy volunteers
  • Adult

Who may be able to join

  • Patients diagnosed as hypertensive
  • Untreated confirmed hypertensive patients (consistent SBP >140 mm Hg or DBP >90 mm Hg)
  • Uncontrolled hypertensive patients (Consistent SBP >140 mm Hg or DBP >90 mm Hg) on one drug therapy.
  • Uncontrolled hypertensive patients (Consistent SBP >140 mm Hg or DBP >90 mm Hg) on two drug therapy.

Who cannot join

  • Inability to switch from all prior antihypertensive medications safely as required by the protocol.
  • Need for drugs other than study drugs at the time of baseline.
  • Patients with SBP ≥ 180 mmHg and/or DBP ≥ 110 mmHg at screening.
  • Patients on four or more antihypertensive drugs at screening.
  • Pregnant or nursing (lactating) women.
  • Patients with diabetes mellitus
  • Patients with heart diseases and any other disease
  • Other protocol-defined inclusion/exclusion criteria may apply

Trial locations and contacts

5 sites in 1 country.

5 sites in 1 country

India5 sites
  • Novartis Investigative Site

    Ahmedabad

  • Novartis investigative site

    Bangalore

  • Novartis Investigative site

    Hyderabad

  • Novartis Investigative site

    Mangalore

  • Novartis investigative site

    Mehasana

Other trials in India

About this study

Official title: A Multi-center, Multiple Dose, Open-label, Four-cohort, Parallel Study to Assess the Pharmacokinetic Drug Interaction Following Co-administration of Valsartan, Hydrochlorothiazide and Amlodipine in Patients With Hypertension.

The purpose of this study is to determine potential pharmacokinetic drug-drug interaction when three drugs (valsartan, amlodipine, and hydrochlorothiazide) are co-administered.

Conditions
Hypertension
Being tested
Valsartan/hydrochlorothiazide (HCTZ), Valsartan/amlodipine, Amlodipine/hydrochlorothiazide(HCTZ), Valsartan/amlodipine/hydrochlorothiazide(HCTZ)
Keywords
High blood pressure, hypertension, drug interaction, steady state, valsartan, hydrochlorothiazide, amlodipine
Medical subject headings
Hypertension

What participants receive

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

  • Valsartan/hydrochlorothiazide (HCTZ)Drug

  • Valsartan/amlodipineDrug

  • Amlodipine/hydrochlorothiazide(HCTZ)Drug

  • Valsartan/amlodipine/hydrochlorothiazide(HCTZ)Drug

Study groups in NCT00548067
Study groupRoleWhat they receive
1Active comparatorNot described
Receives: Drug: Valsartan/hydrochlorothiazide (HCTZ)
2Active comparatorNot described
Receives: Drug: Valsartan/amlodipine
3Active comparatorNot described
Receives: Drug: Amlodipine/hydrochlorothiazide(HCTZ)
4ExperimentalNot described
Receives: Drug: Valsartan/amlodipine/hydrochlorothiazide(HCTZ)

What is being measured

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

  1. Potential drug interaction and effect on blood level of drugs when co-administered for 17 days

Secondary outcomes (1)
  1. Safety and tolerability of co-administered assessed by capturing adverse events and safety laboratory

Timeline

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

  1. First posted23 Oct 2007 (estimated)
  2. Study startSep 2007
  3. Study completionMar 2008

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 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
111 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00548067
Sponsor's protocol ID
CVEA489A2104
Status last verified
Sep 2010
First submitted
22 Oct 2007
Last updated
27 Sep 2010
Results posted
No
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Valsartan/hydrochlorothiazide (HCTZ), Valsartan/amlodipine and Amlodipine/hydrochlorothiazide(HCTZ) in people with Hypertension, run by Novartis at 5 sites in India.

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 8 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 27 Sep 2010. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 5 sites in India. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. 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 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

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?

Potential drug interaction and effect on blood level of drugs when co-administered for 17 days. 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 27 Sep 2010.

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