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Study · Randomized controlled trial · n = 4 · 1994

14 results

Effects of a slow-release formulation of the new somatostatin analogue lanreotide in TSH-secreting pituitary adenomas.

Gancel A, Vuillermet P, Legrand A, Catus F, Thomas F, Kuhn JM

Clinical endocrinology1 Mar 1994Cited by 39 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study14

14 results from studies that gave the peptide. 14 results from people.

  1. 01HumanRandomized controlled trialEfficacy outcome

    In patients with TSH-secreting adenomas, lanreotide acutely reduced TSH to the same extent as octreotide.

    In plain wordsIn patients with TSH-secreting adenomas, lanreotide reduced TSH to the same extent as octreotide.

    Peptide
    Lanreotide
    Outcome
    Direction not reportedAcute TSH suppression
    Study

    n = 4

    Comparator
    150 micrograms octreotide
    Outcome group
    Thyroid function · Endocrine and hormones
    Studied dose
    500 micrograms · subcutaneousAs given in this study (human).

    Source sentences

    Summary
    500 micrograms lanreotide acutely reduced plasma TSH and fAS levels to the same extent as 150 micrograms octreotide.
    2 context sentences
    Summary · context
    In the first step of the study the patients received in a random order, vehicle, 150 micrograms octreotide and 500 micrograms lanreotide as a single s.c. injection.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  2. 02HumanRandomized controlled trialEfficacy outcome

    In patients with TSH-secreting adenomas, lanreotide acutely reduced free alpha subunit levels to the same extent as octreotide.

    In plain wordsIn patients with TSH-secreting adenomas, lanreotide reduced free alpha subunit levels to the same extent as octreotide.

    Peptide
    Lanreotide
    Outcome
    Direction not reportedAcute free alpha subunit suppression
    Study

    n = 4

    Comparator
    150 micrograms octreotide
    Outcome group
    Thyroid function · Endocrine and hormones
    Studied dose
    500 micrograms · subcutaneousAs given in this study (human).

    Source sentences

    Summary
    500 micrograms lanreotide acutely reduced plasma TSH and fAS levels to the same extent as 150 micrograms octreotide.
    2 context sentences
    Summary · context
    In the first step of the study the patients received in a random order, vehicle, 150 micrograms octreotide and 500 micrograms lanreotide as a single s.c. injection.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  3. 03HumanNon-randomized trialPharmacokinetics

    In adenoma patients, lanreotide concentrations were 7.8 +/- 0.6 micrograms/l at two hours, 1.8 +/- 0.2 on day 2, and 1.1 +/- 0.3 on day 14.

    In plain wordsIn adenoma patients, lanreotide concentrations declined after the single injection through day 14.

    Peptide
    Lanreotide
    Outcome
    Not applicableLanreotide plasma concentrations
    Study

    n = 4

    Outcome group
    Pharmacokinetics · Pharmacology
    Studied dose
    30 mg · intramuscularAs given in this study (human).

    Measurements

    Plasma lanreotide concentration
    7.8 micrograms/l
    2 h after 30 mg SR-L; reported as +/- 0.6
    Plasma lanreotide concentration
    1.8 microgram/l
    day 2; reported as +/- 0.2
    Plasma lanreotide concentration
    1.1 microgram/l
    day 14; reported as +/- 0.3

    Source sentences

    Summary
    Two hours after a single i.m. injection of SR-L plasma lanreotide levels reached 7.8 +/- 0.6 micrograms/l and then progressively decreased, being 1.8 +/- 0.2 microgram/l on day 2 and 1.1 +/- 0.3 microgram/l on day 14 after the injection.
    2 context sentences
    Summary · context
    In the second part of the study, after a basal blood sample (0800 h), each patient received 30 mg lanreotide as an i.m. injection of SR-L.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  4. 04HumanNon-randomized trialEfficacy outcome

    In adenoma patients, TSH fell from 4.4 +/- 1.2 mlU/l to 2.5 +/- 0.8 within 2 hours and 0.8 +/- 0.2 on day 2.

    In plain wordsIn patients with TSH-secreting adenomas, TSH decreased within 2 hours and declined further by day 2 after lanreotide.

    Peptide
    Lanreotide
    Outcome
    DecreaseTSH after single slow-release injection
    Study

    n = 4

    Outcome group
    Thyroid function · Endocrine and hormones
    Studied dose
    30 mg · intramuscularAs given in this study (human).

    Measurements

    Plasma TSH
    4.4 mlU/l
    basal; mean +/- SEM 1.2
    Plasma TSH
    2.5 mlU/l
    within 2 hours of SR-L; reported as +/- 0.8
    Plasma TSH
    0.8 ml/Ul
    day 2 after injection; reported as +/- 0.2

    Source sentences

    Summary
    Plasma TSH level decreased from basal value (mean +/- SEM 4.4 +/- 1.2 mlU/l) within 2 hours (2.5 +/- 0.8 mlU/l) and further declined to 0.8 +/- 0.2 ml/Ul on day 2 following the injection.
    2 context sentences
    Summary · context
    In the second part of the study, after a basal blood sample (0800 h), each patient received 30 mg lanreotide as an i.m. injection of SR-L.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  5. 05HumanNon-randomized trialEfficacy outcome

    In patients with TSH-secreting adenomas, TSH remained reduced for 6-15 days after lanreotide injection.

    In plain wordsIn patients with TSH-secreting adenomas, TSH remained reduced for 6-15 days after lanreotide injection.

    Peptide
    Lanreotide
    Outcome
    DecreaseDuration of TSH suppression
    Study

    n = 4

    Outcome group
    Thyroid function · Endocrine and hormones
    Studied dose
    30 mg · intramuscularAs given in this study (human).

    Measurements

    Duration of reduced plasma TSH
    6 to 15 days
    depending on the patient

    Source sentences

    Summary
    Depending on the patient, plasma TSH levels were reduced for a period of 6-15 days.
    2 context sentences
    Summary · context
    In the second part of the study, after a basal blood sample (0800 h), each patient received 30 mg lanreotide as an i.m. injection of SR-L.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  6. 06HumanNon-randomized trialEfficacy outcome

    In patients with TSH-secreting adenomas, free T4 normalized on day 2 after lanreotide and remained normal for 9-20 days.

    In plain wordsIn patients with TSH-secreting adenomas, free T4 normalized on day 2 after lanreotide and remained normal for 9-20 days.

    Peptide
    Lanreotide
    Outcome
    Direction not reportedFree T4 normalization
    Study

    n = 4

    Outcome group
    Thyroid function · Endocrine and hormones
    Studied dose
    30 mg · intramuscularAs given in this study (human).

    Measurements

    Duration within normal range
    9 to 20 days
    after normalization on day 2 (fT4 and fT3 reported together)

    Source sentences

    Summary
    Plasma fT4, fT3 levels were normalized on day 2 and remained in the normal range for a period of time of 9-20 days.
    2 context sentences
    Summary · context
    In the second part of the study, after a basal blood sample (0800 h), each patient received 30 mg lanreotide as an i.m. injection of SR-L.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  7. 07HumanNon-randomized trialEfficacy outcome

    In patients with TSH-secreting adenomas, free T3 normalized on day 2 after lanreotide and remained normal for 9-20 days.

    In plain wordsIn patients with TSH-secreting adenomas, free T3 normalized on day 2 after lanreotide and remained normal for 9-20 days.

    Peptide
    Lanreotide
    Outcome
    Direction not reportedFree T3 normalization
    Study

    n = 4

    Outcome group
    Thyroid function · Endocrine and hormones
    Studied dose
    30 mg · intramuscularAs given in this study (human).

    Measurements

    Duration within normal range
    9 to 20 days
    after normalization on day 2 (fT4 and fT3 reported together)

    Source sentences

    Summary
    Plasma fT4, fT3 levels were normalized on day 2 and remained in the normal range for a period of time of 9-20 days.
    2 context sentences
    Summary · context
    In the second part of the study, after a basal blood sample (0800 h), each patient received 30 mg lanreotide as an i.m. injection of SR-L.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  8. 08HumanNon-randomized trialSafety outcome

    In patients with TSH-secreting adenomas, abdominal cramps appeared together with diarrhoea during long-term lanreotide treatment, leading to interruption of treatment in one patient.

    In plain wordsIn patients with TSH-secreting adenomas, abdominal cramps appeared during long-term lanreotide treatment, and one patient interrupted treatment.

    Peptide
    Lanreotide
    Outcome
    Not applicableAbdominal cramps
    Study

    n = 4

    Outcome group
    Gastrointestinal adverse events · Endocrine and hormones
    Studied dose
    one SR-L injection twice a month (three times a month in one case); per-injection dose not stated for this phase · intramuscular · 3-6 monthsAs given in this study (human).

    Measurements

    Patients with treatment interruption
    1 patients
    4 patients; abdominal cramps and diarrhoea

    Source sentences

    Summary
    During long-term treatment, abdominal cramps and diarrhoea appeared, leading to interruption of the treatment in one patient.
    2 context sentences
    Summary · context
    The patients then received one SR-L injection twice or in one case three times a month for 3-6 months.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  9. 09HumanNon-randomized trialSafety outcome

    In patients with TSH-secreting adenomas, diarrhoea appeared together with abdominal cramps during long-term lanreotide treatment, leading to interruption of treatment in one patient.

    In plain wordsIn patients with TSH-secreting adenomas, diarrhoea appeared during long-term lanreotide treatment, and one patient interrupted treatment.

    Peptide
    Lanreotide
    Outcome
    Not applicableDiarrhoea
    Study

    n = 4

    Outcome group
    Gastrointestinal adverse events · Endocrine and hormones
    Studied dose
    one SR-L injection twice a month (three times a month in one case); per-injection dose not stated for this phase · intramuscular · 3-6 monthsAs given in this study (human).

    Measurements

    Patients with treatment interruption
    1 patients
    4 patients; abdominal cramps and diarrhoea

    Source sentences

    Summary
    During long-term treatment, abdominal cramps and diarrhoea appeared, leading to interruption of the treatment in one patient.
    2 context sentences
    Summary · context
    The patients then received one SR-L injection twice or in one case three times a month for 3-6 months.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  10. 10HumanNon-randomized trialSafety outcome

    In patients with TSH-secreting adenomas, abdominal cramps and diarrhoea led to lanreotide treatment interruption in one patient.

    In plain wordsIn patients with TSH-secreting adenomas, abdominal cramps and diarrhoea led to lanreotide treatment interruption in one patient.

    Peptide
    Lanreotide
    Outcome
    Not applicableTreatment interruption
    Study

    n = 4

    Outcome group
    Adverse events · Endocrine and hormones
    Studied dose
    30 mg twice or three times a month · intramuscular · 3-6 monthsAs given in this study (human).

    Source sentences

    Summary
    During long-term treatment, abdominal cramps and diarrhoea appeared, leading to interruption of the treatment in one patient.
    2 context sentences
    Summary · context
    The patients then received one SR-L injection twice or in one case three times a month for 3-6 months.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  11. 11HumanNon-randomized trialEfficacy outcome

    In patients with TSH-secreting adenomas, TSH progressively decreased during long-term lanreotide treatment.

    In plain wordsIn patients with TSH-secreting adenomas, TSH progressively decreased during long-term lanreotide treatment.

    Peptide
    Lanreotide
    Outcome
    DecreaseLong-term TSH
    Study

    n = 4

    Outcome group
    Thyroid function · Endocrine and hormones
    Studied dose
    30 mg twice or three times a month · intramuscular · 3-6 monthsAs given in this study (human).

    Source sentences

    Summary
    Plasma TSH and thyroid hormone levels progressively decreased during the treatment.
    2 context sentences
    Summary · context
    The patients then received one SR-L injection twice or in one case three times a month for 3-6 months.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  12. 12HumanNon-randomized trialEfficacy outcome

    In patients with TSH-secreting adenomas, thyroid hormone levels progressively decreased during long-term lanreotide treatment.

    In plain wordsIn patients with TSH-secreting adenomas, thyroid hormone levels progressively decreased during long-term lanreotide treatment.

    Peptide
    Lanreotide
    Outcome
    DecreaseLong-term thyroid hormones
    Study

    n = 4

    Outcome group
    Thyroid function · Endocrine and hormones
    Studied dose
    30 mg twice or three times a month · intramuscular · 3-6 monthsAs given in this study (human).

    Source sentences

    Summary
    Plasma TSH and thyroid hormone levels progressively decreased during the treatment.
    2 context sentences
    Summary · context
    The patients then received one SR-L injection twice or in one case three times a month for 3-6 months.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  13. 13HumanNon-randomized trialEfficacy outcome

    In patients with TSH-secreting adenomas, adenoma volume did not change after 3-6 months of lanreotide therapy.

    In plain wordsIn patients with TSH-secreting adenomas, adenoma volume did not change after 3-6 months of lanreotide therapy.

    Peptide
    Lanreotide
    Outcome
    No significant changeAdenoma volume
    Study

    n = 4

    Outcome group
    Tumor growth · Cancer
    Studied dose
    30 mg twice or three times a month · intramuscular · 3-6 monthsAs given in this study (human).

    Source sentences

    Summary
    No change in adenoma volume was observed after 3-6 months of therapy.
    2 context sentences
    Summary · context
    The patients then received one SR-L injection twice or in one case three times a month for 3-6 months.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.
  14. 14HumanNon-randomized trialSafety outcome

    Lanreotide was well tolerated in the other three patients with TSH-secreting adenomas.

    In plain wordsLanreotide was well tolerated in the other three patients with TSH-secreting adenomas.

    Peptide
    Lanreotide
    Outcome
    Not applicableTolerability
    Study

    n = 3

    Outcome group
    Adverse events · Endocrine and hormones
    Studied dose
    30 mg twice or three times a month · intramuscular · 3-6 monthsAs given in this study (human).

    Source sentences

    Summary
    The treatment was well tolerated in the other three patients.
    2 context sentences
    Summary · context
    The patients then received one SR-L injection twice or in one case three times a month for 3-6 months.
    Summary · context
    Four patients with hyperthyroidism linked to a TSH-secreting pituitary adenoma found on pituitary magnetic resonance imaging (MRI) and subsequently proved by immunohistochemistry were studied.

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Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    28 Oct 2026, 02:03 UTC

    Study results updated

  2. Version 1

    27 Oct 2026, 16:36 UTC

    First added · source update from Europe PMC

Subjects

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