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HypocalcemiaPhase 2NCT00623974

Teriparatide (Forteo) in the Treatment of Patients With Postoperative Hypocalcemia

A Phase 2 study testing Teriparatide (Forteo), Calcium and Calcitriol in people with Hypocalcemia, run by M.D. Anderson Cancer Center at 1 site in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

Primary Objective: -To identify the optimal dose of a seven-day course of twice-daily teriparatide as compared to standard therapy for hypocalcemia in patients after total thyroidectomy and/or extensive neck dissections (pharyngectomy, laryngectomy,unilateral, bilateral / central neck, mediastinal lymph node neck… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Hypocalcemia
What is being tested?
Teriparatide (Forteo), Calcium and Calcitriol
Could I receive a placebo?
No, everyone receives an active treatment
How many people
7 participants
Where
1 siteUnited States
Study dates
May 2008to Jun 2010
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients who are scheduled for total thyroidectomy, and/or extensive neck dissections (pharyngectomy, laryngectomy, unilateral/bilateral/central neck, and/or mediastinal lymph node neck dissections).
  • Patients who develop, between 18-24 hours after surgery, hypocalcemia as defined by a corrected serum calcium <8.0mg/dL. [Corrected serum calcium (mg/dL) = Measured calcium + (4-albumin) x 0.8]

Who cannot join

  • Patients who have jejunal tubes
  • Patients <18 years old.
  • Treatment with teriparatide or calcitriol (Rocaltrol) within 1 month prior to surgery
  • Treatment with a bisphosphonate within 3 months prior to surgery
  • Hypercalcemia (corrected serum calcium >10.5mg/dL) or hypocalcemia (corrected serum calcium <8.4mg/dL) on preoperative labs (drawn within 21 days of surgery)
  • Paget's disease of bone
Show all 17Show fewer
  • Elevated alkaline phosphatase > institutional upper limit of normal (ULN)
  • History of external beam irradiation to the skeleton
  • History of skeletal metastases
  • History of untreated gout
  • History of unstable angina pectoris
  • History of symptomatic orthostatic hypotension
  • Pregnancy (as screened by a serum/urine pregnancy test) or breast-feeding. Female subjects of childbearing potential must have a negative pregnancy test within 7 days of surgery. Postmenopausal women (absence of menses for 12 months) or women with history of hysterectomy or bilateral oophorectomy will not be required to have a pregnancy test. Male and female patients of reproductive potential must agree to utilize an effective form of contraception throughout the study period. The definition of effective contraception will be based on the judgment of the Investigator or designated associate.
  • Hepatic and renal dysfunction defined by the following parameters: (a) Serum AST (SGOT) and ALT (SGPT) > 3 times the institutional ULN, (b) Total serum bilirubin > 2 times the institutional ULN, (c) Serum creatinine > 1.5mg/dL or estimated creatinine clearance < 40mL/min
  • Psychiatric illness or social situation that would limit compliance with study requirements
  • Concomitant use of digoxin
  • Patients may not be receiving any other investigational agents or have participated in any investigational drug study within 28 days preceding the start of study treatment.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • UT MD Anderson Cancer Center

    Houston, Texas, 77030

Other trials in United States

About this study

Official title: A Phase II Study of Short-Term Use of Teriparatide (Forteo) in the Treatment of Patients With Postoperative Hypocalcemia

Primary Objective:

-To identify the optimal dose of a seven-day course of twice-daily teriparatide as compared to standard therapy for hypocalcemia in patients after total thyroidectomy and/or extensive neck dissections (pharyngectomy, laryngectomy,unilateral, bilateral / central neck, mediastinal lymph node neck dissections), with which serum calcium will be raised to corrected serum calcium levels of 8-10.5mg/dL and maintained within this range until the end of the treatment course.

Read the detailed description

Teriparatide is designed to act like a natural human hormone called parathyroid hormone, which can increase the blood levels of calcium. Calcium plus calcitriol is considered the standard treatment for low calcium in the blood.

After scheduled surgery, the level of calcium in the blood will be monitored according to the standard of care. Between 18 and 24 hours after the surgery, if calcium level drops below an acceptable level, or participants develop symptoms of low calcium, they will be randomly assigned (as in the toss of a coin) to 1 of 4 groups. One group (the "standard-of-care" group) will receive calcium plus calcitriol alone, for 7 days. The other groups (the "teriparatide" groups) will receive 1 of 3 different dose levels of teriparatide for 7 days, plus calcium and calcitriol for 7 days. There is an equal chance of getting assigned to any of these 4 groups, for the first 40 participants enrolled on this study. If enrolled after that point, participants will have a greater chance of being assigned to the group showing the best results.

Standard-of-Care Group:

If assigned to the standard-of-care group, participant will receive calcium and calcitriol according to the standard schedule and dose. The calcium will either be given through a vein or by mouth, and calcitriol will be given by mouth.

Teriparatide Group:

If assigned to a teriparatide group, participant will receive teriparatide by an injection under the skin, twice a day for 7 days. They will be taught how to perform the injections themselves, with a pen-sized device. While in the hospital, the hospital staff will watch them perform the injections and offer help, if needed. If discharged from the hospital and sent home before the 7 days of therapy are complete, they will continue giving themselves the injections (through Day 7) at home. The pen should not be removed from refrigeration for more than 2 -4 hours. Depending on what dose level of teriparatide assigned to receive, they may have to give themselves up to 3 injections each time. In addition to teriparatide, they will receive calcium and calcitriol, according to the standard schedule and dose. The calcium will either be given through a vein or by mouth, and calcitriol by mouth.

Both Groups:

If blood calcium level has not returned to normal after the 7 days of treatment, participants may need to continue receiving calcium and/or calcitriol for as long as the doctor decides it is necessary.

They will be asked to keep a medication log (diary) of when they take the teriparatide and/or calcium/calcitriol. The log should be returned to the research nurse on Day 8.

On Days 1-7, blood will be drawn to check the level of calcium twice a day (while in the hospital) or once a day (while treated as an outpatient). These blood draws (about 1 teaspoon each time) will be performed 2 hours before receiving teriparatide and/or calcium/calcitriol.

Blood will also be drawn to check calcium and parathyroid hormone levels after the study treatment is over. The first of these blood draws (about 1 tablespoon each time) will be performed at 3 days after receiving last dose of teriparatide and/or last dose of calcium/calcitriol. The second blood draw will be performed at 4 weeks after the surgery.

Starting on Day 7, and again at 4 weeks after surgery, they will be asked to collect urine over the course of a 24-hour period so calcium levels can be measured.

From Day 1 to Day 7, if discharged from the hospital and sent home, the study personnel will call on the phone once a day to see how participants are doing. At 3 days after receiving the last dose of teriparatide and/or the last dose of calcium/calcitriol, and at 4 weeks after the surgery, they will be called again.

After the urine collection, blood draw, and phone call at 4 weeks after the surgery, participation in the study is over.

Conditions
Hypocalcemia
Being tested
Teriparatide (Forteo), Calcium, Calcitriol
Keywords
Hypocalcemia, Teriparatide, Forteo, Calcium, Calcitriol, Rocaltrol
Medical subject headings
Hypocalcemia

What participants receive

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

  • Teriparatide (Forteo)Drug

    Also called Forteo, PTH, Parathyroid Hormone

    Subcutaneous Injection Every 12 Hours for 7 Days

  • CalciumDrug

    1000 milligrams by mouth (PO) Every 12 Hours

  • CalcitriolDrug

    Also called Rocaltrol

    0.25 micrograms PO Every 12 Hours

Study groups in NCT00623974
Study groupRoleWhat they receive
Calcium + CalcitriolExperimental1000 milligrams Calcium + 0.25 micrograms Calcitriol orally every 12 hours
Receives: Drug: Calcium; Drug: Calcitriol
Teriparatide 20 mcgExperimentalTeriparatide at 20 mcg; and 1000 milligrams Calcium + 0.25 micrograms Calcitriol orally every 12 hours
Receives: Drug: Teriparatide (Forteo); Drug: Calcium; Drug: Calcitriol
Teriparatide 40 mcgExperimentalTeriparatide at 40 mcg; and 1000 milligrams Calcium + 0.25 micrograms Calcitriol orally every 12 hours
Receives: Drug: Teriparatide (Forteo); Drug: Calcium; Drug: Calcitriol
Teriparatide 60 mcgExperimentalTeriparatide at 60 mcg; and 1000 milligrams Calcium + 0.25 micrograms Calcitriol orally every 12 hours
Receives: Drug: Teriparatide (Forteo); Drug: Calcium; Drug: Calcitriol

What is being measured

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

  1. Number of Patients With Success

    A patient "success" is defined as a normal calcium level (Ca>=8 and Ca<= 10.5) within 48 hours post-treatment initiation and a normal Ca level maintained through day 7 post-treatment initiation.

    Measured: 2 - 7 days post-treatment

Timeline

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

  1. First posted26 Feb 2008 (estimated)
  2. Study startMay 2008
  3. Primary completionJun 2010
  4. Study completionJun 2010

Why it stopped: Terminated due to slow accrual.

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 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
7 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00623974
Sponsor's protocol ID
2006-0562
Status last verified
Dec 2012
First submitted
14 Feb 2008
Last updated
6 Dec 2012
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Teriparatide (Forteo), Calcium and Calcitriol in people with Hypocalcemia, run by M.D. Anderson Cancer Center at 1 site in United States.

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 2 inclusion and 17 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: stopped early, as of the sponsor's last update on 6 Dec 2012. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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

Are results available for this study?

Yes. Results are posted in the registry (first posted 13 Sep 2010). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Number of Patients With Success (time frame: 2 - 7 days post-treatment). 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 Dec 2012.

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